Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2021
Severe Thunderstorm Warning 3, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at May 26, 2021, 1:13 PM EDT for Jefferson County, Pennsylvania. It was in force for 17 min. 3 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
- May 26, 2021, 1:13 PM EDT (17:13 UTC)
- Expired
- May 26, 2021, 1:30 PM EDT
- In force
- 17 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
County Jefferson County, PA
The radar
The State College radar (KCCX), 73 km from the middle of the area, began a volume at 17:13 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, 1:19 PM EDT | HAIL 0.88 | Mcminns Summit, PA | |
| May 26, 1:19 PM EDT | HAIL 1 | Mcminns Summit, PA | |
| May 26, 1:20 PM EDT | HAIL 0.75 | 1 Se Lanes Mills, 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 |
|---|---|---|---|
| May 26, 12:59 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 5.2 hours before the alert went out and 142 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.
754
WUUS51 KPBZ 261713
SVRPBZ
PAC065-261730-
/O.NEW.KPBZ.SV.W.0003.210526T1713Z-210526T1730Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Pittsburgh PA
113 PM EDT Wed May 26 2021
The National Weather Service in Pittsburgh has issued a
* Severe Thunderstorm Warning for...
Northeastern Jefferson County in west central Pennsylvania...
* Until 130 PM EDT.
* At 112 PM EDT, a severe thunderstorm was located near Brockway, or
near DuBois, moving east at 40 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...
Brockway... Falls Creek...
This includes Interstate 80 in Pennsylvania between mile markers 91
and 96.
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 4120 7877 4113 7880 4108 7881 4117 7891
4128 7891 4129 7879 4127 7876 4126 7874
4123 7874 4123 7871 4120 7871
TIME...MOT...LOC 1712Z 274DEG 48KT 4119 7882
HAIL...1.00IN
WIND...60MPH
$$1 follow-up statement
405
WWUS51 KPBZ 261720
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
120 PM EDT Wed May 26 2021
PAC065-261730-
/O.CON.KPBZ.SV.W.0003.000000T0000Z-210526T1730Z/
Jefferson PA-
120 PM EDT Wed May 26 2021
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 130 PM EDT
FOR NORTHEASTERN JEFFERSON COUNTY...
At 119 PM EDT, a severe thunderstorm was located near DuBois, moving
east at 40 mph.
HAZARD...Wind gusts to 60 mph and quarter-size hail.
SOURCE...Radar.
IMPACT...Minor hail damage to vehicles is possible. Expect wind
damage to trees and power lines, resulting in some power
outages.
Locations impacted include...
Brockway... Falls Creek...
This includes Interstate 80 in Pennsylvania near mile marker 96.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a building.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4120 7877 4113 7880 4115 7881 4120 7885
4124 7883 4129 7882 4129 7879 4127 7876
4126 7874 4123 7874 4123 7871 4120 7871
TIME...MOT...LOC 1719Z 274DEG 48KT 4118 7868
HAIL...1.00IN
WIND...60MPH
$$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, 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 |
| 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.