Tornado warning harrisburg pa

A Severe Thunderstorm Watch is issued when severe thunderstorms are possible in and near the watch area. It does not mean that they will occur.

Sunday Breezy. Today: A chance of showers, mainly after 4pm. Cloudy, with a high near East wind around 6 mph. New precipitation amounts of less than a tenth of an inch possible.

Tornado warning harrisburg pa

A squall line with embedded sustained supercells crossed into portions of southeast Missouri and southern Illinois during the early morning hours on February 29, The embedded supercells raced east-northeast at 60 to 70 mph, while the line moved southeast at a slower rate. The storms strengthened as they encountered richer low-level moisture, with surface dew points around 60 degrees spreading rapidly north-northeastward up the Mississippi Valley. Intense low to mid-level wind fields maintained the intensity of tornadic storms despite weak instability due to lack of solar heating. A south-southwesterly low level jet from 60 to 70 knots veered to west-southwest around 75 knots at mb. Out of the 13 tornadoes that occurred that day, the most intense tornado was an EF4, which produced substantial damage to parts of Harrisburg and Ridgway Illinois. A few days before this tornado occurred, NWS Paducah and the Storm Prediction Center forecasters were already becoming concerned about the possibility of severe weather and tornadoes. Forecast discussions from NWS Paducah on the morning of February 27th highlighted the threat for severe weather and isolated tornadoes for the early morning hours on the 29th, due to the high degree of wind shear that was forecast. This threat for severe weather continued to be advertised with subsequent forecast discussions leading up to the event. In fact, almost 24 hours before the Harrisburg tornado occurred, forecasters at the NWS in Paducah issued this graphic:. Looking at the upper air charts mb from 12Z Feb 28 through 12Z Feb 29 Morning of the 28th through the morning of the 29th , shows the evolution of the upper trough. It starts out in the four corners region and then migrates northeast, strengthens, and becomes negatively titled and a closed low develops over northwest IA:.

Additional Headlines. A south-southwesterly low level jet from 60 to 70 knots veered to west-southwest around 75 knots at mb.

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Tornado warning harrisburg pa

Reports continue to come in about damage caused in the last 24 hours by torrential rains and heavy winds that tore through the state. The microburst had estimated winds of between and mph, which would be equivalent to an EF1 tornado. Trees were snapped and uprooted and campsites and vehicles in the area were damaged, the NWS said. There were no injuries or deaths reported where the microburst made landfall, according to the NWS.

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Additional Headlines. Follow us on Twitter. A Blizzard Warning means that the following conditions are occurring or expected within the next 12 to 18 hours. This flooding will pose a serious risk to life and property. Lawsuit blames fallen power pole for starting Smokehouse Creek Fire. Please Contact Us. North wind 6 to 8 mph becoming east in the afternoon. The embedded supercells raced east-northeast at 60 to 70 mph, while the line moved southeast at a slower rate. Freezing Spray Warning. Significant dry frontal passage. Small Craft Advisory. By that time, the tornado was just southeast of Marion.

Monster blizzard closes I in Sierra Nevada amid blizzard conditions. Dangers to linger well after massive blizzard exits the Sierra Nevada. Record warmth and wildfire threats to grip Central US early this week.

When high surf poses a danger to life in the form of rip currents or breaking seas. Criteria developed in conjunction with the local or state EPA and the product issued at their request. Use the map search tool if you want to place a location marker on the radar map Hurricane Force Wind Warning. E-mail the Harrisburg Weather Forecast. A Blizzard Warning means that the following conditions are occurring or expected within the next 12 to 18 hours. The tornado would continue in Gallatin county and lifted about 4 miles east northeast of Ridgway at am. This allowed even more moisture to advect into the region. The graphic below shows the placement of the cold front at around midnight:. Tornado Alley may roar to life as severe weather season ramps up in US. Privacy Policy.