Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2012
Severe Thunderstorm Warning 87, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 4, 2012, 5:34 PM EDT for Bedford County, Cambria County, Somerset County, Pennsylvania. It was in force for 41 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
- Jul 4, 2012, 5:34 PM EDT (21:34 UTC)
- Expired
- Jul 4, 2012, 6:15 PM EDT
- In force
- 41 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Bedford County, PA, Cambria County, PA, Somerset County, PA
The radar
The State College radar (KCCX), 99 km from the middle of the area, began a volume at 21:35 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 12:00Z, 9.6 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
- 1056 J/kg
- Mixed-layer CIN
- -119 J/kg
- Mixed-layer LCL
- 1050 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 197 m²/s²
- 0-3 km storm-relative helicity
- 237 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.3
The text
As transmitted, in the capitals the NWS used until 2016.
026 WUUS51 KCTP 042134 SVRCTP PAC009-021-111-042215- /O.NEW.KCTP.SV.W.0087.120704T2134Z-120704T2215Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE STATE COLLEGE PA 534 PM EDT WED JUL 4 2012 THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... NORTHWESTERN BEDFORD COUNTY IN SOUTH CENTRAL PENNSYLVANIA... SOUTHWESTERN CAMBRIA COUNTY IN CENTRAL PENNSYLVANIA... NORTHEASTERN SOMERSET COUNTY IN SOUTH CENTRAL PENNSYLVANIA... * UNTIL 615 PM EDT * AT 530 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A SEVERE THUNDERSTORM. THE STORM WAS NEAR GEISTOWN...MOVING SOUTHEAST AT 20 MPH. THIS STORM IS CAPABLE OF PRODUCING QUARTER SIZE HAIL... AND DAMAGING WINDS IN EXCESS OF 60 MPH. * LOCATIONS IN THE WARNING INCLUDE... WINDBER AND DUNLO... OGLETOWN... OSTERBURG AND CESSNA... THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 136 AND 147...I-99 BETWEEN MILE MARKERS 0 AND 9. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 30...ROUTE 219...ROUTE 220. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS CREATE WINDS OF MORE THAN 57 MPH...OR HAIL ONE INCH OR LARGER. SEVERE THUNDERSTORMS PRODUCE DAMAGE. MOVE INSIDE A PERMANENT BUILDING NOW TO BE SAFE FROM STRONG WIND GUSTS AND LARGE HAIL. PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. && LAT...LON 4012 7837 3994 7859 4026 7899 4040 7883 TIME...MOT...LOC 2134Z 313DEG 18KT 4027 7882 $$ FORECASTER: LA CORTE
1 follow-up statement
945 WWUS51 KCTP 042154 SVSCTP SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 554 PM EDT WED JUL 4 2012 PAC009-021-111-042215- /O.CON.KCTP.SV.W.0087.000000T0000Z-120704T2215Z/ BEDFORD PA-CAMBRIA PA-SOMERSET PA- 554 PM EDT WED JUL 4 2012 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM EDT FOR NORTHEASTERN SOMERSET...SOUTH CENTRAL CAMBRIA AND NORTHWESTERN BEDFORD COUNTIES... AT 552 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR OGLETOWN...OR NEAR WINDBER...MOVING SOUTHEAST AT 20 MPH. LOCATIONS IN THE WARNING INCLUDE... OGLETOWN... NEW PARIS AND SCHELLSBURG... THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 137 AND 144...I-99 BETWEEN MILE MARKERS 1 AND 8. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 30...ROUTE 220. PRECAUTIONARY/PREPAREDNESS ACTIONS... PLEASE REPORT HAIL...STRONG WINDS OR WIND DAMAGE TO THE NATIONAL WEATHER SERVICE BY CALLING TOLL FREE...1 8 7 7 6 3 3 6 7 7 2. && LAT...LON 4013 7843 3998 7862 4020 7890 4033 7873 TIME...MOT...LOC 2153Z 313DEG 18KT 4020 7873 $$ FORECASTER: LA CORTE
The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 3, 8:03 PM EDT | Special Weather Statement | CTP | Warren | 72 min |
| Jul 3, 8:37 PM EDT | Severe Thunderstorm Warning | CTP | Warren | 38 min |
| Jul 3, 9:50 PM EDT | Special Weather Statement | CTP | Clearfield, Elk | 55 min |
| Jul 3, 10:36 PM EDT | Special Weather Statement | CTP | Cambria, Centre, Clearfield | 54 min |
| Jul 3, 11:36 PM EDT | Special Weather Statement | CTP | Blair, Cambria, Centre, Huntingdon, Mifflin | 29 min |
| Jul 4, 12:07 AM EDT | Special Weather Statement | CTP | Bedford, Franklin, Fulton, Somerset | 53 min |
| Jul 4, 2:27 AM EDT | Special Weather Statement | CTP | Somerset | 63 min |
| Jul 4, 11:06 AM EDT | Special Weather Statement | CTP | McKean, Warren | 69 min |
| Jul 4, 11:27 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 48 min |
| Jul 4, 11:53 AM EDT | Special Weather Statement | CTP | McKean | 37 min |
| Jul 4, 6:06 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 54 min |
| Jul 4, 6:16 PM EDT | Special Weather Statement | CTP | Centre | 44 min |
| Jul 4, 6:58 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 50 min |
| Jul 4, 7:15 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 45 min |
| Jul 4, 7:33 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Fulton, Somerset | 42 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2012Every severe thunderstorm warning in 2012
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.