Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 27, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 13, 2021, 5:43 PM EDT for Indiana County, Westmoreland County, Pennsylvania. It was in force for 47 min. 2 reports 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
- Jun 13, 2021, 5:43 PM EDT (21:43 UTC)
- Expired
- Jun 13, 2021, 6:30 PM EDT
- In force
- 47 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Indiana County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 65 km from the middle of the area, began a volume at 21:43 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 |
|---|---|---|---|
| Jun 13, 5:52 PM EDT | TSTM WND DMG | 2 Sse Five Points, PA | AT LEAST A FEW LARGE TREES BROUGHT DOWN BY SEVERE WIND ALONG WITH NUMEROUS OTHER LARGE LIMBS |
| Jun 13, 5:52 PM EDT | HAIL 1.5 | 2 Sse Five Points, PA |
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 |
|---|---|---|---|
| Jun 13, 12:50 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.7 hours before the alert went out and 52 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
- 1001 J/kg
- Mixed-layer CIN
- -33 J/kg
- Mixed-layer LCL
- 944 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 53 m²/s²
- 0-3 km storm-relative helicity
- 47 m²/s²
- Significant tornado parameter
- 0.2
- Supercell composite
- 1.3
The text
As transmitted.
500
WUUS51 KPBZ 132143
SVRPBZ
PAC063-129-132230-
/O.NEW.KPBZ.SV.W.0027.210613T2143Z-210613T2230Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
543 PM EDT Sun Jun 13 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
Southwestern Indiana County in west central Pennsylvania...
Central Westmoreland County in southwestern Pennsylvania...
* Until 630 PM EDT.
* At 543 PM EDT, a severe thunderstorm was located near Greensburg,
moving east at 15 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...
Greensburg... Jeannette...
Latrobe... Murrysville...
McChesneytown-Loyalhanna... Delmont...
Lawson Heights... New Alexandria...
Youngstown... Crabtree...
Grapeville...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is occurring with this storm, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
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 4030 7963 4041 7960 4044 7929 4021 7934
TIME...MOT...LOC 2143Z 276DEG 13KT 4036 7956
HAIL...1.00IN
WIND...60MPH
$$
DS2 follow-up statements
229
WWUS51 KPBZ 132207
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
607 PM EDT Sun Jun 13 2021
PAC063-129-132230-
/O.CON.KPBZ.SV.W.0027.000000T0000Z-210613T2230Z/
Indiana PA-Westmoreland PA-
607 PM EDT Sun Jun 13 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 630 PM EDT
FOR SOUTHWESTERN INDIANA AND CENTRAL WESTMORELAND COUNTIES...
At 606 PM EDT, a severe thunderstorm was located near Latrobe, moving
east at 15 mph.
HAZARD...Wind gusts to 60 mph and quarter-size hail.
SOURCE...Radar.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines, resulting in some power
outages.
Locations impacted include...
Latrobe... McChesneytown-Loyalhanna...
Lawson Heights... New Alexandria...
Youngstown... Crabtree...
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is occurring with this storm and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4034 7950 4041 7947 4044 7929 4021 7934
TIME...MOT...LOC 2206Z 271DEG 12KT 4036 7943
HAIL...1.00IN
WIND...60MPH
$$
DS032
WWUS51 KPBZ 132223
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
623 PM EDT Sun Jun 13 2021
PAC063-129-132233-
/O.EXP.KPBZ.SV.W.0027.000000T0000Z-210613T2230Z/
Indiana PA-Westmoreland PA-
623 PM EDT Sun Jun 13 2021
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN INDIANA AND
CENTRAL WESTMORELAND COUNTIES WILL EXPIRE AT 630 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 heavy rain is still possible with this
thunderstorm.
A Severe Thunderstorm Watch remains in effect until 700 PM EDT for
southwestern and west central Pennsylvania.
LAT...LON 4034 7950 4041 7947 4044 7929 4021 7934
TIME...MOT...LOC 2223Z 276DEG 13KT 4035 7936
$$
DSThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 13, 8:24 AM EDT | Special Weather Statement | PBZ | Westmoreland | 36 min |
| Jun 13, 8:36 AM EDT | Areal Flood Advisory | PBZ | Armstrong, Westmoreland | 71 min |
| Jun 13, 8:51 AM EDT | Areal Flood Advisory | PBZ | Armstrong, Indiana | 103 min |
| Jun 13, 9:02 AM EDT | Special Weather Statement | PBZ | Westmoreland | 13 min |
| Jun 13, 9:39 AM EDT | Special Weather Statement | PBZ | Fayette | 36 min |
| Jun 13, 10:42 AM EDT | Special Weather Statement | PBZ | Fayette | 33 min |
| Jun 13, 1:37 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 38 min |
| Jun 13, 1:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 20 min |
| Jun 13, 2:08 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 33 min |
| Jun 13, 3:55 PM EDT | Severe Thunderstorm Warning | PBZ | Butler, Lawrence, Mercer | 35 min |
| Jun 13, 4:23 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 37 min |
| Jun 13, 5:29 PM EDT | Flash Flood Warning | PBZ | Allegheny, Westmoreland | 3 hr |
| Jun 13, 5:33 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Westmoreland | 27 min |
| Jun 13, 5:53 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 17 min |
| Jun 13, 5:59 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Washington, Westmoreland | 46 min |
| Jun 13, 6:12 PM EDT | Special Weather Statement | PBZ | Forest | 33 min |
| Jun 13, 6:21 PM EDT | Severe Thunderstorm Warning | PBZ | Greene, Washington | 39 min |
| Jun 13, 6:54 PM EDT | Areal Flood Advisory | PBZ | Allegheny, Washington, Westmoreland | 2 hr |
| Jun 13, 6:58 PM EDT | Special Weather Statement | PBZ | Washington | 47 min |
| Jun 13, 7:22 PM EDT | Flash Flood Warning | PBZ | Allegheny, Washington | 100 min |
| Jun 13, 7:26 PM EDT | Special Weather Statement | PBZ | Fayette | 34 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.