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Pennsylvania Weather Daily ☔ Friday, March 20 Good morning, Pennsylvania, happy Friday, and happy FIRST DAY OF SPRING! After a long, cold and snowy winter in Pennsylvania, today finally marks the first day of astronomical spring. Meteorological spring began on March 1st, but astronomical seasons follow the Earth's tilt. It will surely feel like the first day of spring with a disturbance bringing rain showers northwest to southeast throughout the day. Overall, a quarter to a half inch of rain is expected statewide with locally higher amounts. A few rumbles of thunder cannot be ruled out, but severe weather is not expected. AREA A: Rain showers arriving in the mid morning through early afternoon with embedded downpours. AREA B: Rain showers arriving in the early to mid afternoon (late afternoon for far southern and eastern area) with embedded downpours and a possible rumble of thunder. Stay tuned and stay dry! #PAwx #Pennsylvania #Weather #March #Rain #Spring

** INCOMING RAINY END TO THE WEEK ** An incoming disturbance will help to spread areas of rain and embedded downpours throughout the state tomorrow afternoon and evening. The rain will progress northwest-to-southeast throughout the day. Overall, a quarter to a half inch of rain is expected statewide with locally higher amounts. A few rumbles of thunder cannot be ruled out, but severe weather is not expected. If you are planning to be outdoors tomorrow, it wouldn't be a bad idea to pack a rain jacket or umbrella! 🌧️ #PAwx #Pennsylvania #Rain #Friday

Pennsylvania Weather Daily ⛅ Thursday, March 19 Good morning, Pennsylvania, happy Thursday! Here is to hoping we made it out of the coldest stretch until at least either next November or December! Today, we will see temperatures climb into the 40s for many folks, with some climbing into the low 50s! An incoming disturbance will bring areas of sun and clouds. If enough moisture exists, some sprinkles cannot be ruled out in northwestern Pennsylvania but overall this will not be a major impact. RAINY FRIDAY LATE AFTERNOON/EVENING... Our next disturbance is set to arrive on Friday afternoon and into the evening. Right now, numerous rain showers are expected with temperatures in the 40s and 50s. A general 0.25 - 0.50" of rain can be expected with locally higher amounts. Saturday we remain mild and dry before the next chance for some storms returns on Sunday (possible strong). Stay tuned for updates! #PAwx #Pennsylvania #Weather #March #Rain #Spring

Pennsylvania Weather Daily ⛅Wednesday, March 18 Good morning, Pennsylvania, happy Wednesday! We've made it to the middle of the week, and while it won't be like yesterday, it won't be entirely much warmer. High temperatures will climb into the 30s for many locations with a few spots hit the 40 degree mark. We will see a drier day with just areas of sun and clouds. There should be a lot of snow melt ongoing today after the snow activity over the last 2 days, thanks to the strong March sun angle. WARM UP COMING... Don't worry! We will be climbing out of this chill over the next few days. Tomorrow's 40s/50s, Friday will be mostly 50s, and by Saturday, we could see high temperatures in the 60s and 70s across the state. Luckily we are in March, so these cold blasts will be shorter and shorter-lived as we progress into late March!☀️ Stay tuned! #PAwx #Pennsylvania #Wind #Cold #March #Snow #Winter #Spring

Despite the calendar reading March 17th, we do have a snow squall risk across the state this morning and into much of the afternoon. Snow squalls and colder temperatures today could make for hazardous travel conditions. Snow squalls increase the risk for accidents, especially on interstates. Make sure you are well aware of this risk and take it slow and easy on the roadways today. Be prepared for changing conditions. Not every single location will see a snow squall. What is a snow squall? A snow squall is an intense, short-lived heavy burst of snowfall accompanied by gusty winds. Think of them as thunderstorms without the rain. Some intense snow squalls may have lightning! Squalls this afternoon may produce a quick half inch to an inch of snowfall in as little as 30 minutes. Why should you care? Snow squalls are VERY dangerous when it comes to travel, especially on interstates. Snow squalls have had a history of producing multi-car pileups on interstates in past years across the state. Within a snow squall, be on alert for RAPIDLY deteriorating conditions in as little as MINUTES. Even if road conditions are wet prior to the squall, a flash freeze may occur and make for very slick conditions. Snow squalls may lead to chain-reaction accidents and very hazardous travel. What should you do if you are caught in a snow squall? Get off the highway. Consider an alternate route or delaying your travel. Reduce your speed and turn on your headlights. If you are caught in a multi-vehicle pileup, DO NOT stand outside of your vehicle or on the roadway. Stay tuned! Be winter-ready with @dmc_snow an exclusive provider of commercial snow & ice management across Pennsylvania, New Jersey, and Delaware. From distribution centers and warehouses to office parks, shopping centers, and retail stores, we keep your property clear and business running all season long.

Pennsylvania Weather Daily ❄️Tuesday, March 17 Good morning, Pennsylvania, happy Tuesday! I had to double-check I was typing in the correct day today, as it will feel far from mid-March. Our cold front overnight has ushered in much colder air and it will not be getting much warmer this afternoon. High temperatures will range from the upper teens to the low 30s. There will be snow showers and snow squalls across the state this morning and through the afternoon hours. If you are planning to travel, keep this snow squall risk in mind. SNOW SQUALL RISK... Be on the lookout for rapidly changing weather conditions with passing snow squalls. Snow squalls will make for hazardous travel conditions due to the lowered visibility and the potential for slushy roadways under the heaviest rates. While the March sun angle will help to keep roadways wet, keep in mind that during heavier rates, the surfaces may briefly drop to 32 degrees and may allow for icy spots to develop. Take it slow and easy and if you are caught in a heavy snow squall, I would advise to pull over until it passes. Those in the ridges and along/north of I-80 would have the greatest risk for accumulations on roadways/highways, but anyone really could be at risk in a heavier squall. FRIGID WIND CHILLS... It will be a chilly afternoon. With westerly wind gusts of 25 - 35 mph, it will feel a bit colder than the air temperature. Wind chill values will range from the single digits to the 10s and 20s, making it feel more like mid-winter than mid March. Maybe it will be a good day to stay in and hibernate. The good sign is that temperatures will warm throughout the week and by the weekend, temperatures may return into the 60s! Stay tuned and stay safe! #PAwx #Pennsylvania #Wind #Cold #March #Snow #Winter #Spring

WOW! Look at all of the snow piling up on the ground and nearby bushes here in Latrobe, Pennsylvania. 3 to 4 inches of snow was reported. While the snow and cold is unfortunate, it does make the scenery quite pretty! The good thing about March snow is that it only lasts so long before it melts. ❄️Thanks for sharing, @Susan Reilly!

WHY DID THE SEVERE WEATHER BUST TODAY??? What appeared to be a high-end setup for a powerful line of storms across central and eastern Pennsylvania this afternoon basically turned to "bleh". Unfortunately, with severe weather, you need a multitude of atmospheric ingredients to come together to produce a setup. This looked to be a higher-end setup with strong jet streak dynamics and a deep trough digging into the Eastern United States, which supported a potential large severe weather event from the Carolinas all the way through Pennsylvania. Severe weather is complicated because you need all of the ingredients to come together to get the output. Sometimes it happens, and you get a high-end event, but other times, it doesn't all come together. It's like baking cookies! If you don't have all of the ingredients, the setup falls apart. Just imagine trying to bake cookies without an important ingredient such as eggs. This morning, we had a trend toward a different trough position across the East Coast, which allowed for extra shower "junk" in the morning and early afternoon, ultimately lowering the severe weather risk. The changes in the trough position are also important because they impact the way that the storms develop off of boundaries, which limited the potential today. From an impact perspective, it is a good thing this did not come to fruition. I am sure the last thing you wanted to deal with is structural damage, power outages, and, in the worst-case scenarios, injuries. While this will likely have a significant impact on public trust from meteorologists from the Mid Atlantic to the Northeast, given this bust, it is important to look at all of the details given for each setup. In future graphics, I will be outlining a "fail" mode in case all of the ingredients do not come together to better widen the potential scenarios. But once again, the weather decides what it wants to do at the end of the day! If you are bummed that you didn't lose your roof today or keep your power on, feel free to unfollow/block my page. Once again, I forecast what I see and try to compare it to historical events to get a good picture of what may occur, but as I've stressed before meteorology is never an exact science, as small microscale features have a large change on the widespread impacts, sort-of like a butterfly effect! Have a great rest of your evening and stay safe!

** WATCH VERSUS WARNING ** What is the difference between a Severe Thunderstorm/Tornado Watch versus a Severe Thunderstorm/Tornado Warning? Well, let's think about it in food terms! For a watch, it means the ingredients in the atmosphere are there for either severe thunderstorms or tornadoes, such as in this case, the ingredients are there for tacos! When a watch is issued, it is good to be on high alert and be prepared for potential warnings. For a warning, it means that either severe weather or a tornado is occuring, such as in this case, we have the tacos! When a warning is issued, it is cruical you take necessary action and seek shelter indoors. If you are under a tornado warning, it is highly advised to seek shelter in the lowest floor of your building and away from all windows. A basement is most preferred. Stay tuned, stay safe, and stay informed!

** SEVERE WEATHER RISK SCALE FINAL UPDATE ** Introducing a new way to visualize the severe weather risk(s)… the TRIX (tornado) and WRIX (wind) scales! These are going to be scales ranging from 1 to 10, indicating the risk for either a tornado or damaging wind gusts (>58 MPH). While the normal scale of Zones 1 through 4 will continue to be used, these are new experimental graphics that I will work on to better visualize the scales! This also helps to visualize who has the best chance to see a certain severe weather threat and what that probability is, rather than just a zone outlook. These will also be correlated with the zone outlooks as a certain index number within a time range of a severe weather risk will be correlated to one of the Zone 1 - 4 risk zones! Think of this scale as a probability out of ten! (Example: A 6/10 on the WRIX scale indicates a 60% chance of experiencing damaging wind gusts of 58+ MPH within the selected day). What do you think of the TRIX and WRIX scales? Let me know in the comments if this is more confusing or if it better communicates the severe weather risks! #PAwx

** SEVERE WEATHER OUTBREAK EXPECTED MONDAY AFTERNOON / EVENING ** [FINAL SEVERE OUTLOOK UPDATE] A very dynamic system will be moving into the region this afternoon, which will bring numerous severe thunderstorms to much of central and portions of eastern Pennsylvania on Monday afternoon and evening. A strong cold front will cross the state, spawning a powerful squall line. Within the squall line, there may be circulations that could support weak spin-up tornadoes. Ahead of the squall line, any individual cells that develop can become supercells and can also produce weak tornadoes and damaging wind gusts. Today is one of the higher-end days that we've seen as of late, so it is important you stay tuned for updates and remain weather alert. TIMING: The ranges become wider in central and eastern Pennsylvania due to the risk for pre-squall supercells. The squall will come through in the afternoon to early evening, ushering in much colder air and ending the severe weather risk. ZONE 3 (A)- Watching for *NUMEROUS* strong to severe thunderstorms. These storms may produce damaging wind gusts of up to 70 - 75 MPH. A few spin-up weak tornadoes are not ruled out, and if one were to occur, it would likely be low intensity (EF0-EF1). An isolated supercell could produce up to EF2 strength. Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. ZONE 2 (B)- Watching for *SCATTERED* strong to severe thunderstorms. These storms may produce damaging wind gusts of 55 to 65 MPH. A few spin-up weak tornadoes are not ruled out, and if one were to occur, it would likely be low intensity (EF0-EF1). Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. ZONE 1 (C)- Watching for *ISOLATED* strong to severe thunderstorms. These storms may produce strong wind gusts of 50 to 60 MPH. Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. Today will be a good day to remain weather aware and stay tuned for updates. Be prepared for rapidly changing weather conditions. Make sure you have multiple ways to receive severe weather alerts. Remember, when you hear thunder, head indoors! Stay safe and stay tuned! ⚠️🌪️

** RAIN CHANGES TO SNOW THIS EVENING / TONIGHT ** Before I get to the severe weather risk today, the snow on the back end of this system has uptrended across much of Pennsylvania. We will see precipitation wrap around on the back end of the cold front, and it will fall as potentially moderate to heavy snowfall. With this coming through mostly overnight and with heavier snowfall rates, accumulations are expected despite the warmer temperatures recently. Most of these accumulations will be held to colder and elevated surfaces, but keep in mind, roadways will be briefly covered during the heaviest snowfall rates this evening and into the overnight hours. ❄️ If you don't think snow can stick after warm days, ask the folks in Richmond what happened last week! It went from 89 degrees to 2 inches of snow in less than 24 hours. ❄️ Be winter-ready with @dmc_snow an exclusive provider of commercial snow & ice management across Pennsylvania, New Jersey, and Delaware. From distribution centers and warehouses to office parks, shopping centers, and retail stores, we keep your property clear and business running all season long. Stay tuned for updates!

Pennsylvania Weather Daily ⚠️Monday, March 16 Good morning, Pennsylvania, happy Monday! We have a *CRAZY* beginning to the new week as we see a strong cold front push into the region, bringing severe thunderstorms, rain, gusty winds, and even some sleet and snow! Today will be a crazy day. Western PA will have AM showers and storms to change over to periods of snow and sleet between 5 - 8 PM. The areas in the red have the greatest chance of seeing strong to severe thunderstorms. A more detailed update on the severe weather will be forthcoming around 8 - 8:30 AM this morning. WINDY DAY... Even without the storms today, wind gusts will be widespread 40 - 45 mph throughout the day today. Isolated spots may see gusts up to 50 mph. Keep in mind, this is *WITHOUT* the severe weather. Severe weather will cause much higher wind gusts in supercells and within the powerful afternoon squall line! DRENCHING DOWNPOURS... Not only do we have the severe weather risk this afternoon and evening, but showers and thunderstorms will bring drenching rain to much of central and eastern Pennsylvania. Widespread amounts of greater than 1 inch of rain is expected, with localized amounts of up to 2 inches or more. Given the moisture content and heavy storms, be on the lookout for areas of flooding to develop, especially during training and heavy thunderstorms. Flash flooding may be a concern.. Stay tuned and stay safe! #PAwx #Pennsylvania #Wind #HighWind #March #SevereWeather

** SEVERE WEATHER OUTBREAK EXPECTED MONDAY AFTERNOON / EVENING ** A very dynamic system will be moving into the region tomorrow, which will bring numerous severe thunderstorms to much of central and portions of eastern Pennsylvania on Monday afternoon and evening. A strong cold front will cross the state, spawning a powerful squall line. Within the squall line, there may be circulations that could support weak spin-up tornadoes. Ahead of the squall line, any individual cells that develop can become supercells and can also produce weak tornadoes and damaging wind gusts. Tomorrow is one of the higher-end days that we've seen as of late, so it is important you stay tuned for updates and remain weather alert. TIMING: The ranges become wider in central and eastern Pennsylvania due to the risk for pre-squall supercells. The squall will come through in the afternoon to early evening, ushering in much colder air and ending the severe weather risk. ZONE 3 (A)- Watching for *NUMEROUS* strong to severe thunderstorms. These storms may produce damaging wind gusts of up to 70 - 75 MPH. A few spin-up weak tornadoes are not ruled out, and if one were to occur, it would likely be low intensity (EF0-EF1). An isolated supercell could produce up to EF2 strength. Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. ZONE 2 (B)- Watching for *SCATTERED* strong to severe thunderstorms. These storms may produce damaging wind gusts of 55 to 65 MPH. A few spin-up weak tornadoes are not ruled out, and if one were to occur, it would likely be low intensity (EF0-EF1). Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. ZONE 1 (C)- Watching for *ISOLATED* strong to severe thunderstorms. These storms may produce strong wind gusts of 50 to 60 MPH. Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. Monday will be a good day to remain weather aware and stay tuned for updates. Be prepared for rapidly changing weather conditions. Make sure you have multiple ways to receive severe weather alerts. Remember, when you hear thunder, head indoors! Stay safe and stay tuned! ⚠️🌪️

** SEVERE WEATHER RISK SCALE UPDATE ** Introducing a new way to visualize the severe weather risk(s)… the TRIX (tornado) and WRIX (wind) scales! These are going to be scales ranging from 1 to 10, indicating the risk for either a tornado or damaging wind gusts (>58 MPH). While the normal scale of Zones 1 through 4 will continue to be used, these are new experimental graphics that I will work on to better visualize the scales! This also helps to visualize who has the best chance to see a certain severe weather threat and what that probability is, rather than just a zone outlook. These will also be correlated with the zone outlooks as a certain index number within a time range of a severe weather risk will be correlated to one of the Zone 1 - 4 risk zones! Think of this scale as a probability out of ten! (Example: A 6/10 on the WRIX scale indicates a 60% chance of experiencing damaging wind gusts of 58+ MPH within the selected day). What do you think of the TRIX and WRIX scales? Let me know in the comments if this is more confusing or if it better communicates the severe weather risks! #PAwx

** SEVERE WEATHER OUTBREAK EXPECTED MONDAY AFTERNOON / EVENING ** A very dynamic system will be moving into the region tomorrow, which will bring numerous severe thunderstorms to much of central and portions of eastern Pennsylvania on Monday afternoon and evening. A strong cold front will cross the state, spawning a powerful squall line. Within the squall line, there may be circulations that could support weak spin-up tornadoes. Ahead of the squall line, any individual cells that develop can become supercells and can also produce weak tornadoes and damaging wind gusts. Tomorrow is one of the higher-end days that we've seen as of late, so it is important you stay tuned for updates and remain weather alert. ZONE 3 (A)- Watching for *NUMEROUS* strong to severe thunderstorms. These storms may produce damaging wind gusts of 60 to 80 MPH. A few spin-up weak tornadoes are not ruled out, and if one were to occur, it would likely be low intensity (EF0-EF1). An isolated supercell could produce up to EF2 strength. Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. ZONE 2 (B)- Watching for *SCATTERED* strong to severe thunderstorms. These storms may produce damaging wind gusts of 55 to 70 MPH. A few spin-up weak tornadoes are not ruled out, and if one were to occur, it would likely be low intensity (EF0-EF1). Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. ZONE 1 (C)- Watching for *ISOLATED* strong to severe thunderstorms. These storms may produce strong wind gusts of 50 to 60 MPH. Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. Monday will be a good day to remain weather aware and stay tuned for updates. Be prepared for rapidly changing weather conditions. Make sure you have multiple ways to receive severe weather alerts. Remember, when you hear thunder, head indoors! Stay safe and stay tuned! ⚠️🌪️ #PAwx #Pennsylvania #SevereWeather

Pennsylvania Weather Daily ⛅Sunday, March 15 Good morning, Pennsylvania, happy Sunday! Today will be a relatively calm day across the state as we will see increasing clouds ahead of our disturbance on Monday. Otherwise, expect southerly winds this afternoon out of the south at 10 - 20 mph with gusts up to 30 - 35 mph. Temperatures will range from the mid 40s to upper 60s east-to-west, with the warmest air across western Pennsylvania. SEVERE WEATHER MONDAY: Strong cold front will bring another risk for strong thunderstorms Monday afternoon and evening, with the greatest risk into central and eastern Pennsylvania. ZONE 2 (A)- Watching for *SCATTERED* strong to severe thunderstorms. These storms may produce damaging wind gusts of 55 to 70 MPH. A few spin-up weak tornadoes are not ruled out, and if one were to occur, it would likely be low intensity (EF0-EF1). Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. ZONE 1 (B)- Watching for *ISOLATED* strong to severe thunderstorms. These storms may produce strong wind gusts of 50 to 60 MPH. Non-severe thunderstorms may still produce gusty winds, lightning, and heavy rainfall. Stay tuned and stay safe! #PAwx #Pennsylvania #Wind #HighWind #March

Strong to severe thunderstorms will be expected across the state Monday afternoon and evening, with the greatest risk currently focused on portions of central and eastern Pennsylvania. A powerful squall line may produce wind gusts greater than 58 MPH with an elevated weak tornado risk (due to the amount of 'spin' expected in the lower atmosphere). Read the blog post for all of the details, including a *NEW* introduction to the Tornado Risk and Damaging Wind Index scales! READ HERE: paweatherplus.com/strong-to-seve… #PAwx #Pennsylvania #SevereWeather #Wind #Tornado

Pennsylvania Weather Daily ⛅Saturday, March 14 Good morning, Pennsylvania, happy Saturday! We have a quieter day on tap today with temperatures ranging from the upper 20s to upper 40s with a mix of sun and clouds. The winds will remain elevated today, especially across central and eastern Pennsylvania where we will continue to see frequent wind gusts of 40 - 45 mph. These won't be as strong as yesterday, but still expected isolated tree damages and power outages. Western Pennsylvania will see the tamest winds, likely 20 to 30 mph. SEVERE WEATHER DAY MONDAY... The best dynamics look to be overlapping across central and eastern Pennsylvania for a potential higher-end severe weather day Monday afternoon and evening. Similar setups in the past have produced numerous wind gusts of 60 - 70 MPH and even weak spin-up tornadoes. This is something to monitor as we head into the early parts of next week. This could be one of the bigger days that we've seen as of late. Stay tuned and stay safe today! #PAwx #Pennsylvania #Wind #HighWind #March

A High Wind Warning is currently in effect for Allegheny, Armstrong, Beaver, Butler, Clarion, Clearfield, Crawford, Elk, Forest, the Higher Elevations of Indiana, Indiana, Jefferson, Lawrence, McKean, Mercer, Northern Erie, Southern Erie, Venango, Warren, Washington, Westmoreland, and the Westmoreland Ridges. Wind gusts up to 65 MPH possible, isolated to 70 MPH on hill tops. A Wind Advisory is in effect for Bedford, Blair, Bradford, Cambria, Cameron, Carbon, Columbia, Cumberland, Dauphin, Fayette, the Fayette Ridges, Franklin, Fulton, Greene, Huntingdon, Juniata, Lackawanna, Lebanon, Luzerne, Mifflin, Monroe, Montour, Northern Centre, Northern Clinton, Northern Lycoming, Northern Wayne, Northumberland, Perry, Pike, Potter, Schuylkill, Snyder, Somerset, Southern Centre, Southern Clinton, Southern Lycoming, Southern Wayne, Sullivan, Susquehanna, Tioga, Union, and Wyoming counties. Wind gusts 50 - 55 MPH possible, isolated to 60 MPH on hill tops. Strong to damaging wind gusts may bring down trees and power lines, leading to scattered to widespread power outages and hazardous travel conditions. Expect power outages to increase overnight, with restortation efforts likely not until tomorrow morning due to the increased wind gusts.