Severe Weather

After the past couple days of dry and mostly sunny weather, we have our eyes turned to the weekend as a low pressure system will track just south of Pennsylvania during the day Friday and will transfer its energy to the coast Friday night. This coastal low will enhance precipitation across the state overnight Friday into Saturday morning. Below is our futurecast radar valid for 5:00 PM Friday and 8:00 PM Friday evening: PREDICTED RAINFALL TOTALS FRIDAY PM THROUGH SATURDAY PM: Timeline: Rainfall will begin from west to east beginning lunchtime Friday, lasting through the early morning hours of Saturday.…MORE...
Yet another round of severe storms is expected to impact the area Thursday Night into Friday. The NWS/NOAA Storm Prediction Center has already highlighted the threat of severe thunderstorms and flooding across Central and Eastern PA. Many communities in Central and Eastern PA are still recovering from torrential rainfall that occurred this past weekend. Some locations soaked up nearly 5″ of rain. Harrisburg International Airport recorded 4.27″ of rainfall in one hour, breaking the previous record of 4.00″ set in 1969. With another 1-3″ of rainfall expected Thursday Night into Friday throughout Southern and Eastern PA, flooding will be a…MORE...
Significant to major flooding has taken place in several PA towns this evening, where as much as 3 to 6 inches of rain has fallen in these towns. Dauphin, York, and Lebanon counties were a few of the counties hit hardest. Roads were turned into rivers this evening, leaving motorists stranded. Below are images from this evening’s flooding in Dauphin county: Photos are courtesy of Sean Simmers and of pennlive.com Neighbor's trying to save vehicles in Middletown @PennLive pic.twitter.com/dsVJ0j3SsQ — Sean Simmers (@SeanSimmers) July 23, 2017 These same areas will likely see another several hour period of steady to heavy rain…MORE...
Eye witness footage taken from Sarah Chapin O’Leary shows what looks like a tornado on the ground and then dissipates in Lebanon county earlier this evening. We have no damage reports as of 8:50 PM. See for yourself by viewing the video below:   Make sure to have our Facebook page liked for the latest>>>PA Weather Action on Facebook! Share the video with your friends and family by using the icons below!
Severe weather is expected to impact the state of Pennsylvania both Saturday and Sunday this weekend. The Storm Prediction Center has placed most of us under a SLIGHT RISK for severe weather both days. For Saturday, the primary threat will arrive in the afternoon hours and will carry over into the early morning hours of Sunday. The Storm Prediction Center has stated in their outlook that the main impacts from these storms will be damaging winds in excess of 60 MPH and large hail. Dynamics will be in place Saturday for the potential of  isolated tornadoes. Below is a look…MORE...
After another hot and humid day, we are tracking another round of severe weather expected for the state tomorrow and on top of it, some areas may even experience warmer temperatures than today! The primary severe weather threat is expected to arrive later in the day tomorrow, likely after 6 PM for our northwestern counties and will slowly drift southeastward throughout the remaining evening hours. As it does so, it is anticipated that the storms will weaken and eventually fall apart. Because of this many areas south and east of I-81 will remain dry tomorrow. Below is our short term…MORE...
As we start off our workweek, we are tracking severe weather that is possible mainly in the afternoon and evening hours today. The Storm Prediction Center (SPC) has placed many areas under a SLIGHT RISK and MARGINAL RISK for severe weather. As it stands right now, northeast pa has the best chance of experiencing severe weather. Below is our future simulated radar using one of our short term models from 1 pm through midnight. The bulk of the action looks like it will develop after 3 PM and should begin to fall apart after 8 PM. Make sure you click…MORE...
The NWS Storm Prediction Center has already highlighted much of Eastern PA in an Enhanced Risk for severe storms Monday. Widespread severe thunderstorms are expected across the area. A line of strong storms will form in Central PA in the late morning and early afternoon hours of Monday. The line is then likely to turn severe as tears east into Eastern PA late afternoon into early Monday Evening. The model above is forecasting the radar for 5:00 PM Monday. As you can see, potent storms will be moving into Allentown, Reading, Lancaster, and York. These storms are expected to produce…MORE...
The NWS Storm Prediction Center has labeled much of Western and Central PA in a Slight Risk Sunday. With the ground already saturated throughout much of the western part of the state, the flash flooding risk will be particularly high. Even pop-up, non-severe storms may cause flooding in flood-prone regions. MAP: SEVERE THUNDERSTORM RISK ON SUNDAY Area A – Locations included in this region are under a Slight Risk. This means scattered severe thunderstorms are expected. Area B – Locations included in this region are under a Marginal Risk. This means isolated severe thunderstorms are expected, and mainly short-lived. The greatest risk Sunday…MORE...
After what has seemed like a long break from severe weather, strong to severe storms will target the state Sunday and Monday. Much of the western half of the state has experienced abundant amounts of rainfall over the past few days due to non-severe, slow moving storms. Suburbs of Pittsburgh, Johnstown, and Altoona have all seen flash flooding over the past few days. With the ground waterlogged in many areas, it will not take much more rain for significant flash flooding to occur. SPC RISK MAP FOR SUNDAY (6/18) Area A – This includes Western PA as well as much…MORE...
If you have any outdoor plans this weekend, you might want to think of a plan B. A significant low pressure system will be sitting over our region for a few days, leaving us with cold and damp conditions. Heavy rain will push into the region from the south tonight, overspreading the whole state by midnight. The rain will be steady and heavy at times through at least the mid to late morning hours. Below is the hi-res HRRR model valid for 8 AM Friday morning: As we head into the afternoon, rain will become scattered in nature. However this…MORE...
The National Weather Service has confirmed six tornadoes across Western Pennsylvania. Three EF-0 tornadoes and three EF-1 tornadoes. The strongest confirmed tornado occurred in Centre County, northeast of State College. The NWS estimates the tornado tore through with winds of 110 MPH based on accessed damage in the area. Surprisingly enough, a tornado warning was not in effect at the time of the touch down. A Severe Thunderstorm Warning was in place. Straight line winds, which can be as strong as an EF-0 and EF-1 Tornado, were observed in dozens of locations throughout much of the state. Below is a…MORE...
A tornado warned supercell moved through many locations in Northwestern PA Monday Afternoon. As the storm moved through McKean County, the NWS issued a Tornado Warning stating a large and dangerous tornado was possible with the supercell. The damage looks to casued by either a tornado or straight line winds. Here is a video of extensive damage to a golf course near Bradford. Take a look! Share the storm damage with your friends and family below using the icons below! Stay safe!
The Storm Prediction Center has labeled much of the state under a slight or enhanced risk of severe thunderstorms for Monday (5/1). An organized line of storms ahead of an approaching cold front will move across the state from west to east Monday Afternoon and Evening. A few isolated cells ahead of the main line have the best potential to produce a tornado in Central PA. However, the highlight of the day will be a widely impacting line of severe thunderstorms. The greatest threat with this line will be damaging winds of 60-70MPH. Here is a timeline of the anticipated…MORE...
A tornado was reported by several sources including a 911 Call Center and other emergency management employees in Northern Warren County Thursday Evening. The supercell thunderstorm had just gone tornado warned at the time of the reports. The video below displays a funnel cloud with a potential touchdown. Great video from Miranda Rose Miller in Warren County. This was reportedly taken from Piccadilly Hill Road, showing an obvious funnel. #pawx pic.twitter.com/0lnLsC8xIN — Geoff Cornish (@StormOfCorn) April 21, 2017 Be sure to share the action using the icons below!

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