Alert archive / Pennsylvania / Tornado Warnings in 2025
Tornado Warning 21, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this tornado warning at Jun 9, 2025, 5:22 PM EDT for Clarion County, Forest County, Jefferson County, Pennsylvania. It was in force for 38 min. 8 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 9, 2025, 5:22 PM EDT (21:22 UTC)
- Expired
- Jun 9, 2025, 6:00 PM EDT
- In force
- 38 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
- Tornado
- Radar indicated
- Hail
- 1.5 in
Counties Clarion County, PA, Forest County, PA, Jefferson County, PA
The radar
The State College radar (KCCX), 100 km from the middle of the area, began a volume at 21:21 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 9, 5:24 PM EDT | TSTM WND DMG | 5 S Strattanville, PA | Trees down in the town of Limestone. Time estimated via radar. |
| Jun 9, 5:26 PM EDT | TORNADO | 2 Se Strattanville, PA | EF-0 tornado confirmed just north of Limestone. |
| Jun 9, 5:27 PM EDT | TORNADO | 2 Se Strattanville, PA | Corrected time. EF-0 tornado confirmed just north of Limestone. |
| Jun 9, 5:29 PM EDT | TSTM WND DMG | 2 Se Strattanville, PA | Trees uprooted along Brush Run Rd. Possible tornado. |
| Jun 9, 5:29 PM EDT | TSTM WND DMG | 3 Se Strattanville, PA | Large limbs down near mile marker 67 along I-80. Possible tornado. |
| Jun 9, 5:31 PM EDT | TSTM WND DMG | 3 W Corsica, PA | Tree down along Route 322 just west of Exit 70 on I-80. |
| Jun 9, 5:43 PM EDT | TSTM WND DMG | 1 Ese Sigel, PA | Corrects time of previous tstm wnd dmg report from 1 ESE Sigel. TREE DOWN OVER THE ROAD WITH LINES BLOCKING THE ROADWAY. |
| Jun 9, 5:45 PM EDT | TSTM WND DMG | 1 Ese Sigel, PA | Time estimated by radar. Tree down over the road with power lines blocking the roadway on Route 949. Possible tornado. |
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 9, 2:46 PM EDT | Severe Thunderstorm Watch | SPC | 9 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.4 hours before the alert went out and 129 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
- 10 J/kg
- Mixed-layer CIN
- -57 J/kg
- Mixed-layer LCL
- 816 m above ground
- 0-6 km bulk shear
- 40 kt
- 0-1 km storm-relative helicity
- 61 m²/s²
- 0-3 km storm-relative helicity
- 63 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
132
WFUS51 KPBZ 092122
TORPBZ
PAC031-053-065-092200-
/O.NEW.KPBZ.TO.W.0021.250609T2122Z-250609T2200Z/
BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Pittsburgh PA
522 PM EDT Mon Jun 9 2025
The National Weather Service in Pittsburgh has issued a
* Tornado Warning for...
South Central Forest County in northwestern Pennsylvania...
Southeastern Clarion County in west central Pennsylvania...
Northwestern Jefferson PA County in west central Pennsylvania...
* Until 600 PM EDT.
* At 522 PM EDT, a severe thunderstorm capable of producing a
tornado was located 5 miles southeast of Clarion, moving northeast
at 35 mph.
HAZARD...Tornado and ping pong ball size hail.
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.
* Locations impacted include...
Clarion, Strattanville, Limestone, Corsica, Sigel, Fisher,
Clarington and Clear Creek State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from 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.
&&
LAT...LON 4107 7934 4116 7945 4140 7909 4134 7909
4135 7908 4136 7903 4135 7902 4138 7897
4137 7896 4136 7896 4130 7883
TIME...MOT...LOC 2122Z 231DEG 31KT 4114 7934
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.50 IN
$$
MLB4 follow-up statements
666
WWUS51 KPBZ 092129
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
529 PM EDT Mon Jun 9 2025
PAC031-053-065-092200-
/O.CON.KPBZ.TO.W.0021.000000T0000Z-250609T2200Z/
Clarion PA-Forest PA-Jefferson PA-
529 PM EDT Mon Jun 9 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 6 PM EDT FOR SOUTH
CENTRAL FOREST, EAST CENTRAL CLARION AND NORTHWESTERN JEFFERSON PA
COUNTIES...
At 529 PM EDT, a severe thunderstorm capable of producing a tornado
was located 6 miles east of Clarion, moving northeast at 35 mph.
HAZARD...Tornado and half dollar size hail.
SOURCE...Radar indicated rotation.
IMPACT...Flying debris will be dangerous to those caught without
shelter. Mobile homes will be damaged or destroyed.
Damage to roofs, windows and vehicles will occur. Tree
damage is likely.
Locations impacted include...
Clarion, Brookville, Strattanville, Limestone, Corsica, Sigel,
Fisher, Clear Creek State Park and Clarington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from windows. If you are outdoors, in a mobile home,
or in a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.
&&
LAT...LON 4109 7929 4119 7940 4140 7909 4134 7909
4136 7904 4135 7902 4138 7897 4137 7896
4136 7896 4130 7883
TIME...MOT...LOC 2122Z 231DEG 31KT 4114 7934
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
MLB694
WWUS51 KPBZ 092138
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
538 PM EDT Mon Jun 9 2025
PAC031-053-065-092200-
/O.CON.KPBZ.TO.W.0021.000000T0000Z-250609T2200Z/
Clarion PA-Forest PA-Jefferson PA-
538 PM EDT Mon Jun 9 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 6 PM EDT FOR SOUTH
CENTRAL FOREST, NORTHEASTERN CLARION AND NORTHWESTERN JEFFERSON PA
COUNTIES...
At 538 PM EDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northwest of Brookville, moving northeast at 35
mph.
HAZARD...Tornado and half dollar size hail.
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.
Locations impacted include...
Brookville, Corsica, Sigel, Fisher, Clear Creek State Park and
Clarington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from 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.
&&
LAT...LON 4126 7929 4140 7909 4134 7909 4136 7904
4135 7902 4138 7897 4137 7896 4136 7896
4130 7883 4115 7916
TIME...MOT...LOC 2129Z 231DEG 31KT 4118 7927
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
MLB456
WWUS51 KPBZ 092146
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
546 PM EDT Mon Jun 9 2025
PAC031-092156-
/O.CAN.KPBZ.TO.W.0021.000000T0000Z-250609T2200Z/
Clarion PA-
546 PM EDT Mon Jun 9 2025
...TORNADO WARNING IS CANCELLED FOR NORTHEASTERN CLARION COUNTY...
The storm which prompted the warning has moved out of the area.
Therefore, the warning has been cancelled. To report severe weather,
contact your nearest law enforcement agency. They will send your
report to the National Weather Service office.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
a portion of west central Pennsylvania.
&&
LAT...LON 4140 7909 4134 7909 4136 7904 4135 7902
4138 7897 4137 7896 4136 7896 4130 7883
4118 7909 4130 7921 4132 7921
TIME...MOT...LOC 2138Z 231DEG 31KT 4123 7919
$$
PAC053-065-092200-
/O.CON.KPBZ.TO.W.0021.000000T0000Z-250609T2200Z/
Forest PA-Jefferson PA-
546 PM EDT Mon Jun 9 2025
...TORNADO WARNING REMAINS IN EFFECT UNTIL 6 PM EDT FOR SOUTH
CENTRAL FOREST AND NORTHWESTERN JEFFERSON PA COUNTIES...
At 546 PM EDT, a severe thunderstorm capable of producing a tornado
was located 8 miles north of Brookville, moving northeast at 35 mph.
HAZARD...Tornado and half dollar size hail.
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.
Locations impacted include...
Sigel, Clear Creek State Park and Clarington.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Move to an interior room on the lowest floor of a well-built
building away from 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.
&&
LAT...LON 4140 7909 4134 7909 4136 7904 4135 7902
4138 7897 4137 7896 4136 7896 4130 7883
4118 7909 4130 7921 4132 7921
TIME...MOT...LOC 2138Z 231DEG 31KT 4123 7919
TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
$$
MLB797
WWUS51 KPBZ 092159
SVSPBZ
Severe Weather Statement
National Weather Service Pittsburgh PA
559 PM EDT Mon Jun 9 2025
PAC053-065-092209-
/O.EXP.KPBZ.TO.W.0021.000000T0000Z-250609T2200Z/
Forest PA-Jefferson PA-
559 PM EDT Mon Jun 9 2025
...TORNADO WARNING WILL EXPIRE AT 6 PM EDT FOR SOUTH CENTRAL FOREST
AND NORTHWESTERN JEFFERSON PA COUNTIES...
The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire. To report severe
weather, contact your nearest law enforcement agency. They will send
your report to the National Weather Service office.
A Severe Thunderstorm Watch remains in effect until 1000 PM EDT for
portions of northwest and west central Pennsylvania.
&&
LAT...LON 4140 7909 4134 7909 4136 7904 4135 7902
4138 7897 4137 7896 4136 7896 4130 7883
4118 7909 4130 7921 4132 7921
TIME...MOT...LOC 2146Z 231DEG 31KT 4127 7912
$$
MLBThe office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 9, 3:39 PM EDT | Tornado Warning | PBZ | Mercer | 9 min |
| Jun 9, 3:42 PM EDT | Severe Thunderstorm Warning | PBZ | Beaver, Butler, Lawrence | 48 min |
| Jun 9, 4:02 PM EDT | Severe Thunderstorm Warning | PBZ | Forest, Venango | 28 min |
| Jun 9, 4:49 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 56 min |
| Jun 9, 4:58 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Jefferson | 47 min |
| Jun 9, 5:28 PM EDT | Severe Thunderstorm Warning | PBZ | Allegheny, Beaver, Butler, Washington | 28 min |
| Jun 9, 6:09 PM EDT | Severe Thunderstorm Warning | PBZ | Clarion, Forest, Venango | 17 min |
| Jun 9, 6:30 PM EDT | Flash Flood Warning | PBZ | Clarion | 115 min |
| Jun 9, 6:52 PM EDT | Severe Thunderstorm Warning | PBZ | Armstrong, Clarion, Jefferson | 38 min |
| Jun 9, 7:00 PM EDT | Severe Thunderstorm Warning | PBZ | Greene | 45 min |
| Jun 9, 7:13 PM EDT | Severe Thunderstorm Warning | PBZ | Jefferson | 42 min |
Nearby
Tornado Warnings in Pennsylvania, 2025Every tornado warning in 2025Tornadoes in 2025
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.