Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 196, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 29, 2021, 6:08 PM EDT for Fayette County, Greene County, Pennsylvania; Preston County, West Virginia. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jul 29, 2021, 6:08 PM EDT (22:08 UTC)
- Expired
- Jul 29, 2021, 7:00 PM EDT
- In force
- 52 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Tornado
- Possible
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Fayette County, PA, Greene County, PA, Preston County, WV
The radar
The Pittsburgh radar (KPBZ), 85 km from the middle of the area, began a volume at 22:09 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 29, 3:13 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.1 hours before the alert went out and 68 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 136 J/kg
- Mixed-layer CIN
- -76 J/kg
- Mixed-layer LCL
- 1222 m above ground
- 0-6 km bulk shear
- 43 kt
- 0-1 km storm-relative helicity
- 175 m²/s²
- 0-3 km storm-relative helicity
- 213 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted.
504
WUUS51 KPBZ 292208
SVRPBZ
PAC051-059-WVC077-292300-
/O.NEW.KPBZ.SV.W.0196.210729T2208Z-210729T2300Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
608 PM EDT Thu Jul 29 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
East central Greene County in southwestern Pennsylvania...
Southwestern Fayette County in southwestern Pennsylvania...
Northern Preston County in northeastern West Virginia...
* Until 700 PM EDT.
* At 607 PM EDT, a severe thunderstorm was located near Fairdale, or
12 miles west of Uniontown, moving east at 20 mph.
HAZARD...Wind gusts to 60 mph and quarter-size hail.
SOURCE...Radar.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines, resulting in some power
outages.
* Locations impacted include...
Uniontown... Masontown...
Farmington... Fairdale...
Fairchance... Isabella...
Dunbar... Smithfield...
Republic... Nemacolin...
Carmichaels... New Salem...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3969 7963 3991 8001 3999 7995 4000 7994
3996 7947 3982 7947
TIME...MOT...LOC 2207Z 285DEG 18KT 3995 7994
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$8 follow-up statements
947
WWUS51 KPBZ 292214
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
614 PM EDT Thu Jul 29 2021
PAC051-059-WVC077-292300-
/O.CON.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Greene PA-Fayette PA-Preston WV-
614 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR EASTERN GREENE...SOUTHWESTERN FAYETTE AND NORTHERN PRESTON
COUNTIES...
At 614 PM EDT, a severe thunderstorm was located near Fairdale, or 9
miles west of Uniontown, moving east at 20 mph.
HAZARD...Wind gusts to 60 mph and quarter-size hail.
SOURCE...Radar.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines, resulting in some power
outages.
Locations impacted include...
Uniontown... Masontown...
Farmington... Fairdale...
Fairchance... Isabella...
Dunbar... Smithfield...
Republic... Nemacolin...
Carmichaels... New Salem...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3969 7963 3990 7999 4000 7991 3996 7947
3982 7947
TIME...MOT...LOC 2214Z 285DEG 18KT 3994 7989
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$947
WWUS51 KPBZ 292222
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
622 PM EDT Thu Jul 29 2021
PAC051-059-WVC077-292300-
/O.CON.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Greene PA-Fayette PA-Preston WV-
622 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR EASTERN GREENE...SOUTHWESTERN FAYETTE AND NORTHERN PRESTON
COUNTIES...
At 622 PM EDT, a severe thunderstorm was located near Masontown, or
near Uniontown, moving east at 20 mph.
HAZARD...Wind gusts to 60 mph and quarter-size hail.
SOURCE...Radar.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines, resulting in some power
outages.
Locations impacted include...
Uniontown... Farmington...
Fairchance... Dunbar...
Smithfield... Republic...
Nemacolin... New Salem...
Chalkhill... Ohiopyle...
Clifton Mills...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3969 7963 3989 7993 3999 7986 3996 7947
3982 7947
TIME...MOT...LOC 2222Z 285DEG 18KT 3993 7984
TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
$$002
WWUS51 KPBZ 292226
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
626 PM EDT Thu Jul 29 2021
PAC059-292235-
/O.CAN.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Greene PA-
626 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN GREENE COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southwestern Pennsylvania...and northeastern West Virginia.
LAT...LON 3969 7963 3987 7990 3999 7982 3996 7947
3982 7947
TIME...MOT...LOC 2225Z 285DEG 18KT 3993 7982
$$
PAC051-WVC077-292300-
/O.CON.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Fayette PA-Preston WV-
626 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHWESTERN FAYETTE AND NORTHERN PRESTON COUNTIES...
At 625 PM EDT, a severe thunderstorm was located near Uniontown,
moving east at 20 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Uniontown... Farmington...
Fairchance... Dunbar...
Smithfield... New Salem...
Chalkhill... Ohiopyle...
Clifton Mills...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3969 7963 3987 7990 3999 7982 3996 7947
3982 7947
TIME...MOT...LOC 2225Z 285DEG 18KT 3993 7982
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$487
WWUS51 KPBZ 292231
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
631 PM EDT Thu Jul 29 2021
PAC051-WVC077-292300-
/O.CON.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Fayette PA-Preston WV-
631 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTHWESTERN FAYETTE AND NORTHERN PRESTON COUNTIES...
At 631 PM EDT, a severe thunderstorm was located near Uniontown,
moving east at 20 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Uniontown... Farmington...
Fairchance... Chalkhill...
Ohiopyle... Clifton Mills...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3969 7963 3985 7986 3996 7979 3994 7947
3982 7947
TIME...MOT...LOC 2231Z 285DEG 18KT 3992 7978
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$849
WWUS51 KPBZ 292236
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
636 PM EDT Thu Jul 29 2021
PAC051-WVC077-292300-
/O.CON.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Fayette PA-Preston WV-
636 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTH CENTRAL FAYETTE AND NORTHERN PRESTON COUNTIES...
At 636 PM EDT, a severe thunderstorm was located over Uniontown,
moving east at 20 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Uniontown... Farmington...
Fairchance... Chalkhill...
Ohiopyle... Clifton Mills...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3969 7963 3987 7982 3996 7976 3994 7947
3982 7947
TIME...MOT...LOC 2236Z 285DEG 18KT 3991 7974
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$416
WWUS51 KPBZ 292241
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
641 PM EDT Thu Jul 29 2021
PAC051-WVC077-292300-
/O.CON.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Fayette PA-Preston WV-
641 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTH CENTRAL FAYETTE AND NORTHERN PRESTON COUNTIES...
At 641 PM EDT, a severe thunderstorm was located over Uniontown,
moving east at 20 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Uniontown... Farmington...
Fairchance... Chalkhill...
Ohiopyle... Clifton Mills...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3985 7980 3995 7972 3994 7947 3982 7947
3969 7963
TIME...MOT...LOC 2241Z 285DEG 18KT 3990 7971
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$539
WWUS51 KPBZ 292247
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
647 PM EDT Thu Jul 29 2021
PAC051-WVC077-292300-
/O.CON.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Fayette PA-Preston WV-
647 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM EDT
FOR SOUTH CENTRAL FAYETTE AND NORTHERN PRESTON COUNTIES...
At 646 PM EDT, a severe thunderstorm was located over Uniontown,
moving east at 20 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Uniontown... Farmington...
Chalkhill... Ohiopyle...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Tornadoes can develop unexpectedly from severe thunderstorms. If a
tornado is reported, move to a basement or small, central room in a
sturdy structure.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3988 7975 3995 7968 3994 7947 3982 7947
3972 7960
TIME...MOT...LOC 2246Z 285DEG 18KT 3989 7967
TORNADO...POSSIBLE
HAIL...<.75IN
WIND...60MPH
$$835
WWUS51 KPBZ 292256
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
656 PM EDT Thu Jul 29 2021
PAC051-WVC077-292305-
/O.EXP.KPBZ.SV.W.0196.000000T0000Z-210729T2300Z/
Fayette PA-Preston WV-
656 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL FAYETTE AND
NORTHERN PRESTON COUNTIES WILL EXPIRE AT 700 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However gusty
winds are still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southwestern Pennsylvania...and northeastern West Virginia.
LAT...LON 3988 7975 3995 7968 3994 7947 3982 7947
3972 7960
TIME...MOT...LOC 2255Z 285DEG 18KT 3988 7962
$$The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 8:47 AM EDT | Special Weather Statement | PBZ | Venango | 28 min |
| Jul 29, 12:51 PM EDT | Special Weather Statement | PBZ | Venango | 24 min |
| Jul 29, 1:58 PM EDT | Tornado Warning | PBZ | Fayette, Westmoreland | 22 min |
| Jul 29, 3:34 PM EDT | Special Weather Statement | PBZ | Armstrong | 26 min |
| Jul 29, 4:01 PM EDT | Special Weather Statement | PBZ | Armstrong | 29 min |
| Jul 29, 4:43 PM EDT | Special Weather Statement | PBZ | Beaver | 32 min |
| Jul 29, 5:09 PM EDT | Special Weather Statement | PBZ | Indiana | 36 min |
| Jul 29, 5:15 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana | 30 min |
| Jul 29, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 36 min |
| Jul 29, 5:48 PM EDT | Tornado Warning | PBZ | Greene, Washington | 27 min |
| Jul 29, 5:59 PM EDT | Tornado Warning | PBZ | Washington | 31 min |
| Jul 29, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 32 min |
| Jul 29, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene | 28 min |
| Jul 29, 6:35 PM EDT | Special Weather Statement | PBZ | Washington | 25 min |
| Jul 29, 6:55 PM EDT | Special Weather Statement | PBZ | Washington | 35 min |
| Jul 29, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 45 min |
| Jul 29, 7:34 PM EDT | Special Weather Statement | PBZ | Greene | 26 min |
| Jul 29, 4:53 PM EDT | Tornado Warning | PBZ | Brooke | 22 min |
| Jul 29, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke, Hancock | 47 min |
| Jul 29, 5:37 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall | 38 min |
| Jul 29, 5:39 PM EDT | Tornado Warning | PBZ | Brooke, Hancock | 21 min |
| Jul 29, 6:12 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke, Ohio | 48 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2021Severe Thunderstorm Warnings in West Virginia, 2021Every severe thunderstorm warning in 2021
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.