Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 21, NWS Pittsburgh, PA
NWS Pittsburgh, PA issued this severe thunderstorm warning at Jun 8, 2008, 9:20 PM EDT for Clarion County, Forest County, Pennsylvania. It was in force for 40 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 8, 2008, 9:20 PM EDT (01:20 UTC)
- Expired
- Jun 8, 2008, 10:00 PM EDT
- In force
- 40 min
- Issued by
- NWS Pittsburgh, PA
- Area
- Storm-based polygon
Counties Clarion County, PA, Forest County, PA
The radar
The State College radar (KCCX), 120 km from the middle of the area, began a volume at 01:20 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.
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 00:00Z, 1.3 hours before the alert went out and 128 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
- 1205 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 1587 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 123 m²/s²
- 0-3 km storm-relative helicity
- 194 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WUUS51 KPBZ 090122
SVRPBZ
PAC031-053-090200-
/O.NEW.KPBZ.SV.W.0021.080609T0120Z-080609T0200Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
920 PM EDT SUN JUN 8 2008
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
FOREST COUNTY IN NORTHWEST PENNSYLVANIA...
CLARION COUNTY IN WEST CENTRAL PENNSYLVANIA...
* UNTIL 1000 PM EDT
* AT 918 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
LINE OF SEVERE THUNDERSTORMS CAPABLE OF PRODUCING DAMAGING WINDS IN
EXCESS OF 60 MPH. THESE STORMS WERE LOCATED ALONG A LINE EXTENDING
FROM YELLOW HAMMER TO 6 MILES WEST OF FRYBURG TO 8 MILES SOUTHWEST
OF KNOX...MOVING EAST AT 40 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
KISER CORNERS...MINISTER...MUZETTE...HASTINGS...CLARION...ROSES...
WILLIAMS...LYNCH...GILFOYLE...MARIENVILLE...PIGEON...AND PARRISH
LAT...LON 4159 7895 4144 7895 4144 7906 4141 7924
4133 7922 4123 7924 4107 7923 4110 7966
4125 7963 4130 7958 4131 7948 4137 7946
4145 7949 4161 7949 4164 7911
TIME...MOT...LOC 0120Z 292DEG 36KT 4160 7930 4134 7954
4117 7964
$$1 follow-up statement
000
WWUS51 KPBZ 090202
SVSPBZ
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE PITTSBURGH PA
1002 PM EDT SUN JUN 8 2008
PAC031-053-090212-
/O.EXP.KPBZ.SV.W.0021.000000T0000Z-080609T0200Z/
FOREST PA-CLARION PA-
1002 PM EDT SUN JUN 8 2008
...THE SEVERE THUNDERSTORM WARNING FOR CLARION AND FOREST COUNTIES
EXPIRES AT 1000 PM EDT...
LAT...LON 4159 7895 4144 7895 4144 7906 4141 7924
4133 7922 4123 7924 4107 7923 4110 7966
4125 7963 4130 7958 4131 7948 4137 7946
4145 7949 4161 7949 4164 7911
TIME...MOT...LOC 0120Z 292DEG 36KT 4160 7930 4134 7954
4117 7964
$$The office that day
Everything else NWS Pittsburgh, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 8, 8:32 PM EDT | Severe Thunderstorm Warning | PBZ | Mercer | 43 min |
| Jun 8, 8:42 PM EDT | Severe Thunderstorm Warning | PBZ | Venango | 48 min |
| Jun 8, 9:02 PM EDT | Tornado Warning | PBZ | Venango | 28 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2008Every severe thunderstorm warning in 2008
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.