Alert archive / Pennsylvania / Severe Thunderstorm Warnings in 2010
Severe Thunderstorm Warning 103, NWS State College, PA
NWS State College, PA issued this severe thunderstorm warning at Jul 12, 2010, 3:21 PM EDT for 6 counties in Pennsylvania. It was in force for 54 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 12, 2010, 3:21 PM EDT (19:21 UTC)
- Expired
- Jul 12, 2010, 4:15 PM EDT
- In force
- 54 min
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
Counties Columbia County, PA, Dauphin County, PA, Montour County, PA, Northumberland County, PA, Snyder County, PA, Union County, PA
The radar
The State College radar (KCCX), 103 km from the middle of the area, began a volume at 19:21 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.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 7.4 hours before the alert went out and 164 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
- 237 J/kg
- Mixed-layer CIN
- -64 J/kg
- Mixed-layer LCL
- 1130 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- 13 m²/s²
- 0-3 km storm-relative helicity
- 29 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
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 12, 2:44 PM EDT, 37 minutes earlier.
Area forecast discussion, Jul 12, 2:44 PM EDT, 37 minutes before
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</html>Hazardous weather outlook, Jul 12, 7:11 AM EDT, 8 hours 10 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 711 AM EDT MON JUL 12 2010 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-131015- WARREN-MCKEAN-POTTER-ELK-CAMERON-NORTHERN CLINTON-CLEARFIELD- NORTHERN CENTRE-SOUTHERN CENTRE-CAMBRIA-BLAIR-HUNTINGDON-MIFFLIN- JUNIATA-SOMERSET-BEDFORD-FULTON-FRANKLIN-TIOGA-NORTHERN LYCOMING- SULLIVAN-SOUTHERN CLINTON-SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR- NORTHUMBERLAND-COLUMBIA-PERRY-DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND- ADAMS-YORK-LANCASTER- 711 AM EDT MON JUL 12 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .DAYS TWO THROUGH SEVEN...TUESDAY THROUGH SUNDAY. SLOW MOVING...STRONG TO POSSIBLY SEVERE THUNDERSTORMS WILL BE SCATTERED ACROSS THE REGION TUESDAY INTO TUESDAY EVENING... ESPECIALLY ACROSS THE EASTERN HALF OF THE STATE. THE STORMS WILL BRING THE POTENTIAL FOR BRIEF...STRONG WIND GUSTS AND HAIL. ADDITIONALLY...LOCALLY VERY HEAVY RAIN UP TO 3 INCHES COULD LEAD TO FLOODING OF POOR DRAINAGE AREAS AND SOME SMALLER STREAMS DURING THIS PERIOD. A COLD FRONT WILL PUSH SOUTHEAST ACROSS PENNSYLVANIA LATER FRIDAY INTO SATURDAY...ACCOMPANIED BY SCATTERED STRONG TO POSSIBLY SEVERE THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTERS ARE REQUESTED TO RELAY REPORTS OF HEAVY RAIN IN EXCESS OF ONE INCH...ANY FLOODING...AND WIND DAMAGE OR HAIL TO THE NATIONAL WEATHER SERVICE. LAMBERT/LA CORTE
In the hours before
Special weather statement, Jul 12, 2:54 PM EDT, 27 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 12, 2:54 PM EDT | Special Weather Statement | CTP | Dauphin | 51 min |
| Jul 12, 2:57 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Juniata, Perry | 63 min |
| Jul 12, 3:29 PM EDT | Special Weather Statement | CTP | Clinton | 31 min |
| Jul 12, 3:32 PM EDT | Special Weather Statement | CTP | Dauphin | 13 min |
| Jul 12, 3:36 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Dauphin, Lebanon, Northumberland, Schuylkill, York | 54 min |
| Jul 12, 3:56 PM EDT | Special Weather Statement | CTP | Lycoming | 34 min |
| Jul 12, 4:10 PM EDT | Areal Flood Advisory | CTP | Dauphin, Juniata, Perry, Snyder, Union | 110 min |
| Jul 12, 4:22 PM EDT | Special Weather Statement | CTP | Northumberland | 23 min |
| Jul 12, 4:28 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Dauphin, Lebanon, Montour, Northumberland, Schuylkill | 62 min |
| Jul 12, 4:55 PM EDT | Special Weather Statement | CTP | Lycoming | 35 min |
| Jul 12, 4:59 PM EDT | Special Weather Statement | CTP | Lancaster, Lebanon, York | 31 min |
| Jul 12, 5:14 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 76 min |
| Jul 12, 5:18 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, Lebanon | 42 min |
| Jul 12, 5:35 PM EDT | Special Weather Statement | CTP | Dauphin | 40 min |
| Jul 12, 6:32 PM EDT | Special Weather Statement | CTP | Columbia, Northumberland | 43 min |
| Jul 12, 7:40 PM EDT | Special Weather Statement | CTP | Lancaster | 35 min |
| Jul 12, 7:53 PM EDT | Special Weather Statement | CTP | Lancaster | 37 min |
Nearby
Severe Thunderstorm Warnings in Pennsylvania, 2010Every severe thunderstorm warning in 2010
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.