Alert archive / West Virginia / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 201, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jul 29, 2021, 7:00 PM EDT for Brooke County, Ohio County, West Virginia; Greene County, Washington County, Pennsylvania. It was in force for 45 min. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 29, 2021, 7:00 PM EDT (23:00 UTC)
- Expired
- Jul 29, 2021, 7:45 PM EDT
- In force
- 45 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Greene County, PA, Washington County, PA, Brooke County, WV, Ohio County, WV
The radar
The Pittsburgh radar (KPBZ), 55 km from the middle of the area, began a volume at 23:03 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 29, 7:36 PM EDT | TSTM WND DMG | Waynesburg, PA | NUMEROUS TREES REPORTED DOWN ALONG CRABAPPLE DRIVE ON THE NORTH END OF WAYNESBURG. TIME UPDATED BASED ON RADAR IMAGERY. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
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, 11.0 hours before the alert went out and 46 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.
107
WUUS51 KPBZ 292300
SVRPBZ
PAC059-125-WVC009-069-292345-
/O.NEW.KPBZ.SV.W.0201.210729T2300Z-210729T2345Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
700 PM EDT Thu Jul 29 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
Southwestern Washington County in southwestern Pennsylvania...
Northwestern Greene County in southwestern Pennsylvania...
Ohio County in northern West Virginia...
Brooke County in northern West Virginia...
* Until 745 PM EDT.
* At 700 PM EDT, a severe thunderstorm was located near Valley Grove,
moving southeast at 25 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...
Waynesburg... Valley Grove...
Rogersville... West Finley...
Claysville... Marianna...
West Alexander... Taylorstown...
Amity... Nineveh...
Green Hills...
This includes the following highways...
Interstate 70 in West Virginia between mile markers 13 and 14.
Interstate 70 in Pennsylvania between mile markers 0 and 14.
Interstate 79 in Pennsylvania between mile markers 12 and 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4014 8060 4024 8047 4005 8007 3987 8010
3984 8035
TIME...MOT...LOC 2300Z 311DEG 23KT 4014 8046
HAIL...1.00IN
WIND...60MPH
$$5 follow-up statements
565
WWUS51 KPBZ 292310
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
710 PM EDT Thu Jul 29 2021
WVC009-292319-
/O.CAN.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Brooke WV-
710 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR BROOKE COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southwestern Pennsylvania...and northern West Virginia.
LAT...LON 4011 8057 4021 8041 4005 8007 3987 8010
3984 8035
TIME...MOT...LOC 2309Z 311DEG 23KT 4010 8040
$$
PAC059-125-WVC069-292345-
/O.CON.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Washington PA-Greene PA-Ohio WV-
710 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHWESTERN WASHINGTON...NORTHWESTERN GREENE AND OHIO
COUNTIES...
At 709 PM EDT, a severe thunderstorm was located 8 miles southwest of
Wolfdale, or 9 miles east of Valley Grove, moving southeast at 25
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...
Waynesburg... Valley Grove...
Rogersville... West Finley...
Claysville... Marianna...
West Alexander... Taylorstown...
Amity... Nineveh...
Green Hills...
This includes the following highways...
Interstate 70 in West Virginia between mile markers 13 and 14.
Interstate 70 in Pennsylvania between mile markers 0 and 14.
Interstate 79 in Pennsylvania between mile markers 12 and 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4011 8057 4021 8041 4005 8007 3987 8010
3984 8035
TIME...MOT...LOC 2309Z 311DEG 23KT 4010 8040
HAIL...<.75IN
WIND...60MPH
$$749
WWUS51 KPBZ 292319
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
719 PM EDT Thu Jul 29 2021
WVC069-292328-
/O.CAN.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Ohio WV-
719 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR OHIO COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
southwestern Pennsylvania.
LAT...LON 4001 8049 4016 8030 4005 8007 3987 8010
3984 8035
TIME...MOT...LOC 2318Z 311DEG 23KT 4006 8034
$$
PAC059-125-292345-
/O.CON.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Washington PA-Greene PA-
719 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTHWESTERN WASHINGTON AND NORTHWESTERN GREENE COUNTIES...
At 718 PM EDT, a severe thunderstorm was located 9 miles southwest of
Washington, moving southeast at 25 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...
Waynesburg... Rogersville...
West Finley... Marianna...
Amity... Nineveh...
Green Hills...
This includes the following highways...
Interstate 70 in Pennsylvania between mile markers 11 and 14.
Interstate 79 in Pennsylvania between mile markers 12 and 30.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
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 4001 8049 4016 8030 4005 8007 3987 8010
3984 8035
TIME...MOT...LOC 2318Z 311DEG 23KT 4006 8034
HAIL...<.75IN
WIND...60MPH
$$542
WWUS51 KPBZ 292329
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
729 PM EDT Thu Jul 29 2021
PAC059-125-292345-
/O.CON.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Washington PA-Greene PA-
729 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR SOUTH CENTRAL WASHINGTON AND NORTHWESTERN GREENE COUNTIES...
At 728 PM EDT, a severe thunderstorm was located 9 miles northwest of
Waynesburg, moving southeast at 25 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Waynesburg... Rogersville...
Marianna... Amity...
Nineveh...
This includes Interstate 79 in Pennsylvania between mile markers 12
and 29.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3996 8045 4011 8020 4005 8007 3987 8010
3984 8035
TIME...MOT...LOC 2328Z 311DEG 23KT 4001 8027
HAIL...<.75IN
WIND...60MPH
$$581
WWUS51 KPBZ 292335
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
735 PM EDT Thu Jul 29 2021
PAC125-292345-
/O.CAN.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Washington PA-
735 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL WASHINGTON
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.
LAT...LON 3996 8045 3998 8022 3998 8009 3987 8010
3984 8035
TIME...MOT...LOC 2335Z 311DEG 23KT 3998 8022
$$
PAC059-292345-
/O.CON.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Greene PA-
735 PM EDT Thu Jul 29 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM EDT
FOR NORTHWESTERN GREENE COUNTY...
At 735 PM EDT, a severe thunderstorm was located near Waynesburg,
moving southeast at 25 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Waynesburg... Rogersville...
Nineveh...
This includes Interstate 79 in Pennsylvania between mile markers 12
and 20.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3996 8045 3998 8022 3998 8009 3987 8010
3984 8035
TIME...MOT...LOC 2335Z 311DEG 23KT 3998 8022
HAIL...<.75IN
WIND...60MPH
$$466
WWUS51 KPBZ 292344
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
744 PM EDT Thu Jul 29 2021
PAC059-292354-
/O.EXP.KPBZ.SV.W.0201.000000T0000Z-210729T2345Z/
Greene PA-
744 PM EDT Thu Jul 29 2021
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN GREENE COUNTY
WILL EXPIRE AT 745 PM EDT...
The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. 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.
LAT...LON 3996 8045 3998 8022 3998 8009 3987 8010
3984 8035
TIME...MOT...LOC 2344Z 311DEG 23KT 3995 8017
$$The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 4:53 PM EDT | Tornado Warning | PBZ | Brooke | 22 min |
| Jul 29, 5:24 PM EDT | Severe Thunderstorm Warning | PBZ | Marshall, Ohio | 36 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, 5:48 PM EDT | Tornado Warning | PBZ | Marshall, Ohio | 27 min |
| Jul 29, 5:59 PM EDT | Tornado Warning | PBZ | Brooke, Hancock, Ohio | 31 min |
| Jul 29, 6:08 PM EDT | Severe Thunderstorm Warning | PBZ | Preston | 52 min |
| Jul 29, 6:12 PM EDT | Severe Thunderstorm Warning | PBZ | Brooke, Ohio | 48 min |
| Jul 29, 6:32 PM EDT | Severe Thunderstorm Warning | PBZ | Marion, Monongalia | 28 min |
| 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, 6:14 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 32 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, 7:34 PM EDT | Special Weather Statement | PBZ | Greene | 26 min |
Nearby
Severe Thunderstorm Warnings in West Virginia, 2021Severe Thunderstorm Warnings in Pennsylvania, 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.