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Greg Crossley

@GregCrossley
 Uniontown,Pa
Joined July 2012
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NWS Pittsburgh (@NWSPittsburgh) profile picture
NWS Pittsburgh
@NWSPittsburghMar 20
Our severe weather outlook remains largely unchanged for today. A passing cold front will reintroduce the potential for strong to severe storms. Thunderstorm chances will increase mainly after 2:00 PM and continue until just before midnight.
Probability of thunderstorms increases between 2pm and 10pm across the region. Storms could be considered "severe" after 5pm.

ALT Probability of thunderstorms increases between 2pm and 10pm across the region. Storms could be considered "severe" after 5pm.

There is Marginal Risk (1 out 5) for severe storms for a large portion of our region, mainly south of I-80. Damaging winds, hail, and isolated tornadoes could occur with severe storms.

ALT There is Marginal Risk (1 out 5) for severe storms for a large portion of our region, mainly south of I-80. Damaging winds, hail, and isolated tornadoes could occur with severe storms.

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A round of heavier, more persistent rain is moving into northern WV and southwestern PA this morning. In general, an additional half inch to inch of rainfall can be expected before it moves out of the area this afternoon. A few locally higher amounts to 1.5" will be possible.
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Dry conditions are forecast through tomorrow. On Sunday, we will see our next best chance for measurable precipitation. The northern counties have the highest probability for rain.
Map showing the probability of precipitation on Sunday, August 17th.

ALT Map showing the probability of precipitation on Sunday, August 17th.

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Synopsis: Light snow will move in on Wed ahead of a warm front. Rain will then move in from the south Wed evening/overnight as air aloft warms but surface temps remain below freezing. This will lead to a period of freezing rain, lasting longest in the higher terrain and N of PGH.
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Keep an eye on the sky this morning for a potentially beautiful sunrise! Yesterday, we started discussions on a weather pattern change that could bring snow. That pattern is also favored to result in multiple days with gusty wind, but is unlikely to reach warning criteria.
Graphic showing probabilities for wind gusts greater than 30 mph on Thursday and Friday with the weather pattern change.

ALT Graphic showing probabilities for wind gusts greater than 30 mph on Thursday and Friday with the weather pattern change.

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Cooler temperature is on tap for next week and it starts with the passage of a cold front Sunday afternoon evening. There is potential for a few of the thunderstorms the develop along the front to pose a damaging wind, hail, and tornadic threat, mainly between 4pm-9pm.
Cooler temperature is on tap for next week and it starts with the passage of a cold front Sunday afternoon evening. There is a marginal risk for severe thunderstorms to pose a damaging wind, hail, and tornadic threat. The threat will be dependent on the degree of afternoon heating as well as timing of the frontal passage.

ALT Cooler temperature is on tap for next week and it starts with the passage of a cold front Sunday afternoon evening. There is a marginal risk for severe thunderstorms to pose a damaging wind, hail, and tornadic threat. The threat will be dependent on the degree of afternoon heating as well as timing of the frontal passage.

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Severe Thunderstorm Warning including Monroeville PA, Murrysville PA and Greensburg PA until 9:30 PM EDT
This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 9:30 PM EDT. The warning includes Monroeville PA, Murrysville PA and Greensburg PA. This warning is for Western Indiana County in west central Pennsylvania, East central Allegheny County in southwestern Pennsylvania, Westmoreland County in southwestern Pennsylvania, Southeastern Armstrong County in west central Pennsylvania and Eastern Fayette County in southwestern Pennsylvania. The threats associated with this warning are wind gusts up to 60 MPH and pea sized hail. There are 370,309 people in the warning along with 113 schools and 10 hospitals.

ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 9:30 PM EDT. The warning includes Monroeville PA, Murrysville PA and Greensburg PA. This warning is for Western Indiana County in west central Pennsylvania, East central Allegheny County in southwestern Pennsylvania, Westmoreland County in southwestern Pennsylvania, Southeastern Armstrong County in west central Pennsylvania and Eastern Fayette County in southwestern Pennsylvania. The threats associated with this warning are wind gusts up to 60 MPH and pea sized hail. There are 370,309 people in the warning along with 113 schools and 10 hospitals.

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Severe Thunderstorm Warning including Monroeville PA, West Mifflin PA and Murrysville PA until 8:30 PM EDT
This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 8:30 PM EDT. The warning includes Monroeville PA, West Mifflin PA and Murrysville PA. This warning is for Southeastern Washington County in southwestern Pennsylvania, Southeastern Allegheny County in southwestern Pennsylvania, Westmoreland County in southwestern Pennsylvania, Eastern Greene County in southwestern Pennsylvania, Fayette County in southwestern Pennsylvania, Northern Monongalia County in northern West Virginia and Northern Preston County in northeastern West Virginia. The threats associated with this warning are wind gusts up to 60 MPH and pea sized hail. There are 636,002 people in the warning along with 205 schools and 14 hospitals.

ALT This graphic displays a severe thunderstorm warning plotted on a map. The warning is in effect until 8:30 PM EDT. The warning includes Monroeville PA, West Mifflin PA and Murrysville PA. This warning is for Southeastern Washington County in southwestern Pennsylvania, Southeastern Allegheny County in southwestern Pennsylvania, Westmoreland County in southwestern Pennsylvania, Eastern Greene County in southwestern Pennsylvania, Fayette County in southwestern Pennsylvania, Northern Monongalia County in northern West Virginia and Northern Preston County in northeastern West Virginia. The threats associated with this warning are wind gusts up to 60 MPH and pea sized hail. There are 636,002 people in the warning along with 205 schools and 14 hospitals.

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FREEZE WARNING IN EFFECT MIDNIGHT TONIGHT TO 9 AM TUESDAY Freezing temperatures as low as 28 expected. Frost & freeze conditions could kill crops, other sensitive vegetation & possibly damage unprotected outdoor plumbing. Take steps now to protect tender plants from the cold.
Image from Greg Crossley (@GregCrossley)
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A few showers are expected around the area this morning as a warm front moves north. Clouds should decrease this afternoon, with mainly dry weather expected.
Image from NWS Pittsburgh (@NWSPittsburgh)
Image from NWS Pittsburgh (@NWSPittsburgh)
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Most of the day will be dry as clouds thicken and lower. Temperatures will continue to moderate, getting closer to seasonal values. Rain showers will begin to overspread the southern border of the forecast area late this afternoon.
Image from NWS Pittsburgh (@NWSPittsburgh)
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Scattered showers expected by this aftn with area in close proximity to low pressure. Few snow showers could mix in at times tonight, mainly N of I 80 & higher terrain of Laurel Highlands/WV. Latest weather information for your area at weather.gov/pbz.
Image from NWS Pittsburgh (@NWSPittsburgh)
Image from NWS Pittsburgh (@NWSPittsburgh)
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Through the morning today and into this afternoon, a low pressure system will lift northeast into the Middle Atlantic Region. The warm front will lift north as well into western PA bringing warmer air and showers to the area. The system should push off to the east tonight.
Image from NWS Pittsburgh (@NWSPittsburgh)
Image from NWS Pittsburgh (@NWSPittsburgh)
Image from NWS Pittsburgh (@NWSPittsburgh)
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Image from Greg Crossley (@GregCrossley)
Mark your calendars. We're back
Image from Greg Crossley (@GregCrossley)
AN AREA OF SHOWERS AND THUNDERSTORMS IS CAPABLE OF PRODUCING HEAVY RAIN WILL AFFECT SOUTH CENTRAL JEFFERSON...NORTHEASTERN BELMONT... SOUTHWESTERN WASHINGTON...NORTHERN GREENE...WESTERN FAYETTE...OHIO... NORTHEASTERN MARSHALL AND SOUTHERN BROOKE COUNTIES...
Image from Greg Crossley (@GregCrossley)
Enjoy the cool day yesterday? If so, you're in luck. Cool to mild June weather is expected for today through much of the upcoming work week.
Image from NWS Pittsburgh (@NWSPittsburgh)
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Snow shifts east. .5 to 1 inch overnight. Higher I-80 & ridges. Lake snow machine fires up today. Multiple snow bands. Heaviest in advisory 2 to 5". Elsewhere, if you get a band. 1 to 2". Watch radar, roads, and future posts. Bands fall fast and reduce vis. Be prepared. Cold!
Image from NWS Pittsburgh (@NWSPittsburgh)
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...A STRONG THUNDERSTORM CAPABLE OF PRODUCING SMALL HAIL AND GUSTY WIND WILL AFFECT SOUTHEASTERN WASHINGTON...SOUTHWESTERN WESTMORELAND...NORTHEASTERN GREENE AND NORTHWESTERN FAYETTE COUNTIES.
Image from Greg Crossley (@GregCrossley)
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Greg Crossley retweeted
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KEMA@KeystoneEMA2 Aug 2019
Emergency Management Planner, Ashley Morris joins the show all the way from South Central Texas to discuss her love of EM and all things weather. Paul and Amy discuss an Emergency Management news story that is very concerning. Listen Here: spreaker.com/user/paul_falav… #KEMAPodcast
Image from KEMA (@KeystoneEMA)
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