Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 8, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at May 26, 2021, 6:17 PM EDT for Indiana County, Westmoreland County, Pennsylvania. It was in force for 12 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
- May 26, 2021, 6:17 PM EDT (22:17 UTC)
- Expired
- May 26, 2021, 6:29 PM EDT
- In force
- 12 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 0.75 in
- Wind
- 60.0 mph
Counties Indiana County, PA, Westmoreland County, PA
The radar
The State College radar (KCCX), 96 km from the middle of the area, began a volume at 22:20 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 |
|---|---|---|---|
| May 26, 6:20 PM EDT | TSTM WND DMG | New Florence, PA | REPORT OF SEVERAL SNAPPED TREES AND DOWNED BRANCHES. |
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 |
|---|---|---|---|
| May 26, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.3 hours before the alert went out and 95 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.
511
WUUS51 KPBZ 262217
SVRPBZ
PAC063-129-262245-
/O.NEW.KPBZ.SV.W.0008.210526T2217Z-210526T2245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
617 PM EDT Wed May 26 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
Southeastern Indiana County in west central Pennsylvania...
Eastern Westmoreland County in southwestern Pennsylvania...
* Until 645 PM EDT.
* At 616 PM EDT, a severe thunderstorm was located 8 miles east of
Black Lick, or 9 miles southeast of Homer City, moving east at 55
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...
New Florence... Seward...
Vintondale... Armagh...
Brush Vly... Yellow Creek State Park...
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 4050 7891 4036 7899 4035 7914 4056 7908
4059 7887
TIME...MOT...LOC 2216Z 261DEG 46KT 4045 7903
HAIL...<.75IN
WIND...60MPH
$$2 follow-up statements
565
WWUS51 KPBZ 262222
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
622 PM EDT Wed May 26 2021
PAC063-129-262245-
/O.CON.KPBZ.SV.W.0008.000000T0000Z-210526T2245Z/
Indiana PA-Westmoreland PA-
622 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 645 PM EDT
FOR SOUTHEASTERN INDIANA AND EASTERN WESTMORELAND COUNTIES...
At 621 PM EDT, a severe thunderstorm was located near Belsano, or
near Nanty-Glo, moving east at 55 mph.
HAZARD...Wind gusts to 60 mph.
SOURCE...Radar.
IMPACT...Expect damage to trees and power lines, resulting in some
power outages.
Locations impacted include...
New Florence... Seward...
Vintondale... Armagh...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4050 7891 4036 7899 4035 7912 4055 7904
4059 7887
TIME...MOT...LOC 2221Z 261DEG 46KT 4046 7893
HAIL...<.75IN
WIND...60MPH
$$306
WWUS51 KPBZ 262229
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
629 PM EDT Wed May 26 2021
PAC063-129-262239-
/O.CAN.KPBZ.SV.W.0008.000000T0000Z-210526T2245Z/
Indiana PA-Westmoreland PA-
629 PM EDT Wed May 26 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN INDIANA AND
EASTERN WESTMORELAND COUNTIES IS CANCELLED...
The storm which prompted the warning has moved out of the area.
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 and west central Pennsylvania.
LAT...LON 4050 7891 4036 7899 4035 7912 4055 7904
4059 7887
TIME...MOT...LOC 2227Z 261DEG 46KT 4048 7880
$$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, 4:21 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 26 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 |
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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.