Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 6, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at May 26, 2021, 4:21 PM EDT for Fayette County, Westmoreland County, Pennsylvania. It was in force for 26 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
- May 26, 2021, 4:21 PM EDT (20:21 UTC)
- Expired
- May 26, 2021, 4:47 PM EDT
- In force
- 26 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Fayette County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 92 km from the middle of the area, began a volume at 20:26 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 |
|---|---|---|---|
| May 26, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 8.4 hours before the alert went out and 76 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
- 71 J/kg
- Mixed-layer CIN
- -98 J/kg
- Mixed-layer LCL
- 1654 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 146 m²/s²
- 0-3 km storm-relative helicity
- 137 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
The text
As transmitted.
920
WUUS51 KPBZ 262021
SVRPBZ
PAC051-129-262100-
/O.NEW.KPBZ.SV.W.0006.210526T2021Z-210526T2100Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
421 PM EDT Wed May 26 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
Southeastern Westmoreland County in southwestern Pennsylvania...
East central Fayette County in southwestern Pennsylvania...
* Until 500 PM EDT.
* At 420 PM EDT, a severe thunderstorm was located near Uniontown,
moving east at 30 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...
Seven Springs... Ohiopyle...
Mill Run... Normalville...
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 3991 7939 3987 7941 3987 7967 3995 7970
4004 7929
TIME...MOT...LOC 2020Z 258DEG 25KT 3992 7962
HAIL...<.75IN
WIND...60MPH
$$3 follow-up statements
421
WWUS51 KPBZ 262028
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
428 PM EDT Wed May 26 2021
PAC129-262038-
/O.CAN.KPBZ.SV.W.0006.000000T0000Z-210526T2100Z/
Westmoreland PA-
428 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR WESTMORELAND COUNTY IS
CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southwestern Pennsylvania.
LAT...LON 3991 7939 3989 7940 3991 7959 3997 7961
4004 7929
TIME...MOT...LOC 2028Z 258DEG 25KT 3993 7955
$$
PAC051-262100-
/O.CON.KPBZ.SV.W.0006.000000T0000Z-210526T2100Z/
Fayette PA-
428 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR EAST CENTRAL FAYETTE COUNTY...
At 428 PM EDT, a severe thunderstorm was located near South
Connellsville, or near Connellsville, moving east at 30 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...
Seven Springs... Mill Run...
Normalville...
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 3991 7939 3989 7940 3991 7959 3997 7961
4004 7929
TIME...MOT...LOC 2028Z 258DEG 25KT 3993 7955
HAIL...<.75IN
WIND...60MPH
$$839
WWUS51 KPBZ 262036
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
436 PM EDT Wed May 26 2021
PAC051-262100-
/O.CON.KPBZ.SV.W.0006.000000T0000Z-210526T2100Z/
Fayette PA-
436 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 500 PM EDT
FOR EAST CENTRAL FAYETTE COUNTY...
At 436 PM EDT, a severe thunderstorm was located near South
Connellsville, or 7 miles southeast of Connellsville, moving east at
30 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
Seven Springs... Mill Run...
Normalville...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 3991 7939 3989 7940 3991 7951 3998 7954
4004 7929
TIME...MOT...LOC 2036Z 258DEG 25KT 3994 7948
HAIL...<.75IN
WIND...60MPH
$$950
WWUS51 KPBZ 262047
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
447 PM EDT Wed May 26 2021
PAC051-262056-
/O.CAN.KPBZ.SV.W.0006.000000T0000Z-210526T2100Z/
Fayette PA-
447 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL FAYETTE COUNTY IS
CANCELLED...
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 has been cancelled. However gusty winds are
still possible with this thunderstorm.
A Severe Thunderstorm Watch remains in effect until 800 PM EDT for
southwestern Pennsylvania.
LAT...LON 3991 7939 3989 7940 3991 7951 3998 7954
4004 7929
TIME...MOT...LOC 2045Z 258DEG 25KT 3996 7938
$$The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 26, 11:55 AM EDT | Special Weather Statement | PBZ | Westmoreland | 35 min |
| May 26, 12:14 PM EDT | Special Weather Statement | PBZ | Westmoreland | 31 min |
| May 26, 12:34 PM EDT | Special Weather Statement | PBZ | Westmoreland | 26 min |
| May 26, 1:13 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 17 min |
| May 26, 2:24 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 51 min |
| May 26, 3:08 PM EDT | Special Weather Statement | PBZ | Venango | 37 min |
| May 26, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Washington | 22 min |
| May 26, 5:00 PM EDT | Special Weather Statement | PBZ | Greene | 30 min |
| May 26, 5:19 PM EDT | Special Weather Statement | PBZ | Allegheny | 26 min |
| May 26, 6:06 PM EDT | Special Weather Statement | PBZ | Indiana, Westmoreland | 24 min |
| May 26, 6:17 PM EDT | Severe Thunderstorm Warning | PBZ | Indiana, Westmoreland | 12 min |
Nearby
Severe 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.