Alert archive / Pennsylvania / Tornado Warnings in 2024
Tornado Warning 13, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at May 11, 2024, 6:15 PM EDT for Allegheny County, Washington County, Westmoreland County, Pennsylvania. It was in force for 30 min. 5 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 11, 2024, 6:15 PM EDT (22:15 UTC)
- Expired
- May 11, 2024, 6:45 PM EDT
- In force
- 30 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 0.75 in
Counties Allegheny County, PA, Washington County, PA, Westmoreland County, PA
The radar
The Pittsburgh radar (KPBZ), 41 km from the middle of the area, began a volume at 22:19 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 11, 6:15 PM EDT | FUNNEL CLOUD | Sw Jefferson Hills, PA | |
| May 11, 6:15 PM EDT | HAIL 0.75 | Sw Jefferson Hills, PA | |
| May 11, 6:19 PM EDT | TORNADO | 1 Se Pierce, PA | Tornado ended at this point at 06:19 EDT. |
| May 11, 6:20 PM EDT | TORNADO | 1 Ssw Snowden, PA | Radar Indicated Tornado. Confirmed by public sources. Damage to a church in Union Township. |
| May 11, 6:48 PM EDT | FUNNEL CLOUD | 2 W West Newton, PA |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 10.3 hours before the alert went out and 24 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 1132 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 77 m²/s²
- 0-3 km storm-relative helicity
- 108 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
140
WFUS51 KPBZ 112215
TORPBZ
PAC003-125-129-112245-
/O.NEW.KPBZ.TO.W.0013.240511T2215Z-240511T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
615 PM EDT Sat May 11 2024
The National Weather Service in Pittsburgh has issued a
* Tornado Warning for...
East central Washington County in southwestern Pennsylvania...
Southeastern Allegheny County in southwestern Pennsylvania...
West central Westmoreland County in southwestern Pennsylvania...
* Until 645 PM EDT.
* At 615 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Gastonville, moving east at 25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This dangerous storm will be near...
South Park Township, Jefferson Hills, and Clairton around 620 PM
EDT.
West Newton around 635 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Elizabeth, Finleyville, Lincoln, Sutersville, and West Elizabeth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4024 8003 4031 8002 4030 7972 4017 7975
TIME...MOT...LOC 2215Z 277DEG 20KT 4026 7998
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MLB3 follow-up statements
040
WFUS51 KPBZ 112221 CCA
TORPBZ
PAC003-125-129-112245-
/O.COR.KPBZ.TO.W.0013.240511T2215Z-240511T2245Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
621 PM EDT Sat May 11 2024
The National Weather Service in Pittsburgh has issued a
* Tornado Warning for...
East central Washington County in southwestern Pennsylvania...
Southeastern Allegheny County in southwestern Pennsylvania...
West central Westmoreland County in southwestern Pennsylvania...
* Until 645 PM EDT.
* At 620 PM EDT, a tornado producing storm was located over Jefferson
Hills, or near Gastonville, moving east at 25 mph.
HAZARD...Damaging tornado.
SOURCE...Radar confirmed tornado.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows, and vehicles will occur. Tree
damage is likely.
* This tornadic storm will be near...
Jefferson Hills and Clairton around 625 PM EDT.
West Newton around 635 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Elizabeth, Finleyville, Lincoln, Sutersville, and West Elizabeth.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4024 8003 4031 8002 4030 7972 4017 7975
TIME...MOT...LOC 2220Z 277DEG 20KT 4026 7998
TORNADO...OBSERVED
MAX HAIL SIZE...<.75 IN
$$
MLB233
WWUS51 KPBZ 112228
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
628 PM EDT Sat May 11 2024
PAC003-125-129-112245-
/O.CON.KPBZ.TO.W.0013.000000T0000Z-240511T2245Z/
Washington PA-Allegheny PA-Westmoreland PA-
628 PM EDT Sat May 11 2024
...A TORNADO WARNING REMAINS IN EFFECT UNTIL 645 PM EDT FOR EASTERN
WASHINGTON...SOUTHEASTERN ALLEGHENY AND SOUTHWESTERN WESTMORELAND
COUNTIES...
At 628 PM EDT, a severe thunderstorm capable of producing a tornado
was located over Jefferson Hills, or near Gastonville, moving east at
25 mph.
HAZARD...Tornado.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed. Damage
to roofs, windows, and vehicles will occur. Tree damage is
likely.
This dangerous storm will be near...
West Newton around 640 PM EDT.
Other locations impacted by this tornadic thunderstorm include
Elizabeth, Sutersville, West Elizabeth, and Lincoln.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.
Please report severe weather by calling 412-262-1988, posting to
the NWS Pittsburgh Facebook page, or using Twitter @NWSPITTSBURGH.
&&
LAT...LON 4023 7993 4028 7992 4028 7972 4018 7975
TIME...MOT...LOC 2228Z 277DEG 20KT 4025 7992
TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
$$
MLB457 WWUS51 KPBZ 112241 RRA SVSPBZ Severe Weather Statement National Weather Service Pittsburgh PA 641 PM EDT Sat May 11 2024 PAC003-125-129-112251- /O.EXP.KPBZ.TO.W.0013.000000T0000Z-240511T2245Z/ Washington PA-Allegheny PA-Westmoreland PA- 641 PM EDT Sat May 11 2024 ...THE TORNADO WARNING FOR EASTERN WASHINGTON...SOUTHEASTERN ALLEGHENY AND SOUTHWESTERN WESTMORELAND COUNTIES WILL EXPIRE AT 645 PM EDT... The storm which prompted the warning has weakened below severe limits, and no longer appears capable of producing a tornado. Therefore, the warning will be allowed to expire. To report severe weather, contact your nearest law enforcement agency. They will relay your report to the National Weather Service Pittsburgh. && LAT...LON 4023 7993 4028 7992 4028 7972 4018 7975 TIME...MOT...LOC 2241Z 277DEG 20KT 4024 7984 $$ MLB
The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 3:57 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 48 min |
| May 11, 4:11 PM EDT | Special Weather Statement | PBZ | Lawrence | 49 min |
| May 11, 4:15 PM EDT | Special Weather Statement | PBZ | Beaver | 45 min |
| May 11, 4:19 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 41 min |
| May 11, 4:48 PM EDT | Tornado Warning | PBZ | Lawrence | 27 min |
| May 11, 4:55 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Washington | 50 min |
| May 11, 5:08 PM EDT | Severe Thunderstorm Warning | PBZ | Washington | 52 min |
| May 11, 5:37 PM EDT | Special Weather Statement | PBZ | Allegheny | 38 min |
| May 11, 5:50 PM EDT | Special Weather Statement | PBZ | Allegheny | 40 min |
| May 11, 6:07 PM EDT | Special Weather Statement | PBZ | Washington | 23 min |
| May 11, 6:09 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Washington | 51 min |
| May 11, 6:13 PM EDT | Special Weather Statement | PBZ | Armstrong | 32 min |
| May 11, 6:51 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Westmoreland | 39 min |
| May 11, 6:58 PM EDT | Severe Thunderstorm Warning | PBZ | Fayette, Greene, Washington | 62 min |
| May 11, 7:11 PM EDT | Tornado Warning | PBZ | Fayette | 34 min |
Nearby
Tornado Warnings in Pennsylvania, 2024Every tornado warning in 2024Tornadoes in 2024
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.