Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2008
Severe Thunderstorm Warning 107, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 20, 2008, 4:59 PM EDT for 14 counties in Pennsylvania. It was in force for 76 min. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 20, 2008, 4:59 PM EDT (20:59 UTC)
- Expired
- Jul 20, 2008, 6:15 PM EDT
- In force
- 76 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Bedford County, PA, Blair County, PA, Centre County, PA, Clinton County, PA, Cumberland County, PA, Franklin County, PA, Fulton County, PA, Huntingdon County, PA, Juniata County, PA, Lycoming County, PA, Mifflin County, PA, Perry County, PA, Snyder County, PA, Union County, PA
The watch it was issued in
The SPC watch in force over the same counties when this warning went out.
| Issued | Product | Office | Lasted |
|---|---|---|---|
| Jul 20, 12:35 PM EDT | Severe Thunderstorm Watch | SPC | 7 hr |
The nearest sounding before it
Pittsburgh, PA (KPIT), launched 12:00Z, 9.0 hours before the alert went out and 209 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
- 195 J/kg
- Mixed-layer CIN
- -62 J/kg
- Mixed-layer LCL
- 1059 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 101 m²/s²
- 0-3 km storm-relative helicity
- 83 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
What forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS State College, PA wrote its last area forecast discussion before this severe thunderstorm warning went out at Jul 20, 4:53 PM EDT, 6 minutes earlier.
Area forecast discussion, Jul 20, 4:53 PM EDT, 6 minutes before
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</html>Hazardous weather outlook, Jul 20, 4:26 PM EDT, 33 minutes before
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Special weather statement, Jul 20, 1:59 PM EDT, 3 hours before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 159 PM EDT SUN JUL 20 2008 PAZ004-201845- WARREN PA- 159 PM EDT SUN JUL 20 2008 ...A STRONG THUNDERSTORM WILL AFFECT WARREN COUNTY... AT 157 PM EDT...A STRONG THUNDERSTORM WAS LOCATED 13 MILES SOUTHWEST OF WARREN...MOVING EAST AT 37 MPH. HEAVY RAIN AND WIND GUSTS TO 40 MPH ARE POSSIBLE WITH THIS STORM. THIS STORM WILL BE NEAR CHAPMAN STATE PARK AROUND 210 PM...WARREN AROUND 215 PM...CLARENDON AROUND 220 PM...SHEFFIELD AROUND 225 PM AND KINZUA DAM AROUND 230 PM. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 62...STATE ROAD 59. FORECASTER: ONDREJIK
Special weather statement, Jul 20, 2:19 PM EDT, 2 hours 40 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 219 PM EDT SUN JUL 20 2008 PAZ005-006-010-011-201915- CAMERON PA-ELK PA-MCKEAN PA-POTTER PA- 219 PM EDT SUN JUL 20 2008 ...STRONG THUNDERSTORMS WILL AFFECT CAMERON...ELK...MCKEAN AND WESTERN POTTER COUNTIES... AT 214 PM EDT...HEAVY RAIN AND STRONG THUNDERSTORMS WERE ALONG A LINE FROM BRADFORD TO KANE TO 15 MILES WEST OF RIDGWAY...MOVING EAST AT 37 MPH. WIND GUSTS TO 50 MPH ARE POSSIBLE WITH THESE STORMS. THESE STORMS WILL BE NEAR PORTLAND MILLS...MOUNT JEWETT...AND CYCLONE AROUND 225 PM...WILCOX...REW...AND KINZUA BRIDGE STATE PARK AROUND 230 PM...RIDGWAY...JOHNSONBURG...AND ELDRED AROUND 235 PM AND SMETHPORT AROUND 240 PM. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...ROUTE 219...AND STATE ROAD 66. FORECASTER: ONDREJIK
Special weather statement, Jul 20, 3:00 PM EDT, 1 hour 59 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 300 PM EDT SUN JUL 20 2008 PAZ017-024-033-202000- CAMBRIA PA-CLEARFIELD PA-SOMERSET PA- 300 PM EDT SUN JUL 20 2008 ...STRONG THUNDERSTORMS WILL AFFECT CAMBRIA...CLEARFIELD AND SOMERSET COUNTIES... AT 257 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 6 MILES SOUTHEAST OF CLARION TO 10 MILES NORTHWEST OF INDIANA TO 21 MILES SOUTHWEST OF CONNELLSVILLE...MOVING EAST AT 39 MPH. WIND GUSTS TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS. THESE STORMS WILL BE NEAR PRINCE GALLITZIN STATE PARK AROUND 345 PM AND SOUTH FORK AROUND 400 PM. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 100 AND 119...I-80 BETWEEN MILE MARKERS 97 AND 122. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...THE JOHNSTOWN EXPRESSWAY...ROUTE 22...ROUTE 30...ROUTE 119...ROUTE 219...ROUTE 322...ROUTE 422...STATE ROAD 56...STATE ROAD 153. FORECASTER: STEINBUGL
Special weather statement, Jul 20, 3:25 PM EDT, 1 hour 34 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 325 PM EDT SUN JUL 20 2008 PAZ006-010>012-037-041-202015- CAMERON PA-ELK PA-NORTHERN CLINTON PA-NORTHERN LYCOMING PA-POTTER PA- TIOGA PA- 325 PM EDT SUN JUL 20 2008 ...STRONG THUNDERSTORMS WILL AFFECT CAMERON...NORTHWESTERN CLINTON... NORTHWESTERN LYCOMING...POTTER...SOUTHEASTERN ELK AND WESTERN TIOGA COUNTIES... AT 322 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 29 MILES EAST OF OLEAN TO 15 MILES SOUTHEAST OF ST. MARYS...MOVING EAST AT 32 MPH. WIND GUSTS OF 40 TO 50 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS. THESE STORMS WILL BE NEAR HICKS RUN...AND CAMERON AROUND 330 PM... CAMERON AROUND 335 PM...WHARTON...ULYSSES...STEVENSON DAM...AND DRIFTWOOD AROUND 340 PM...HARRISON VALLEY...AND DENTON HILL STATE PARK AROUND 345 PM AND LYMAN RUN STATE PARK AROUND 350 PM. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 6...STATE ROAD 120...STATE ROAD 449. FORECASTER: STEINBUGL
Special weather statement, Jul 20, 3:55 PM EDT, 1 hour 4 minutes before
SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE STATE COLLEGE PA 355 PM EDT SUN JUL 20 2008 PAZ012-018-019-025-026-034-045-202045- BEDFORD PA-BLAIR PA-HUNTINGDON PA-NORTHERN CENTRE PA- NORTHERN CLINTON PA-SOUTHERN CENTRE PA-SOUTHERN CLINTON PA- 355 PM EDT SUN JUL 20 2008 ...STRONG THUNDERSTORMS WILL AFFECT BEDFORD...BLAIR...CENTRE... NORTHWESTERN HUNTINGDON AND SOUTHWESTERN CLINTON COUNTIES... AT 352 PM EDT...STRONG THUNDERSTORMS WERE ALONG A LINE FROM 22 MILES NORTHWEST OF BELLEFONTE TO 16 MILES NORTHEAST OF EBENSBURG TO 13 MILES WEST OF SOMERSET...MOVING EAST AT 40 MPH. WIND GUSTS TO 40 MPH AND SMALL HAIL ARE POSSIBLE WITH THESE STORMS. THESE STORMS WILL BE NEAR PINE GLEN AROUND 400 PM...TYRONE AROUND 415 PM...WARRIORS MARK AROUND 430 PM AND MARKLESBURG AROUND 445 PM. THIS WILL IMPACT THE FOLLOWING CENTRAL PENNSYLVANIA INTERSTATES...THE PENNSYLVANIA TURNPIKE BETWEEN MILE MARKERS 132 AND 158...I-80 BETWEEN MILE MARKERS 138 AND 171...I-99 BETWEEN MILE MARKERS 0 AND 65. THIS WILL ALSO IMPACT THE FOLLOWING MAJOR ROADS...ROUTE 22...ROUTE 30...ROUTE 220...ALT ROUTE 220...ROUTE 322...STATE ROAD 26...STATE ROAD 350...STATE ROAD 453. FORECASTER: STEINBUGL
Special weather statement, Jul 20, 4:28 PM EDT, 31 minutes before
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</html>The office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 20, 3:18 PM EDT | Severe Thunderstorm Warning | CTP | Cambria, Clearfield, Elk, Somerset | 72 min |
| Jul 20, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Centre, Clearfield, Clinton and 4 more | 56 min |
| Jul 20, 4:10 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Somerset | 65 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.