Alert archive / Pennsylvania / Special Weather Statements in 2012
Special Weather Statement, NWS State College, PA
NWS State College, PA issued this special weather statement at Jul 27, 2012, 7:45 PM EDT for Potter County, Pennsylvania. It was in force for 30 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 27, 2012, 7:45 PM EDT (23:45 UTC)
- Expired
- Jul 27, 2012, 8:15 PM EDT
- In force
- 30 min
- Issued by
- NWS State College, PA
County Potter County, PA
The radar
The State College radar (KCCX), 103 km from the middle of the area, began a volume at 23:48 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, 11.8 hours before the alert went out and 262 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
- 224 J/kg
- Mixed-layer CIN
- -27 J/kg
- Mixed-layer LCL
- 670 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- -19 m²/s²
- 0-3 km storm-relative helicity
- 35 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
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</html>What forecasters said that day
The local office's own words before this special weather statement 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 special weather statement went out at Jul 27, 7:27 PM EDT, 18 minutes earlier.
Area forecast discussion, Jul 27, 7:27 PM EDT, 18 minutes before
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HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 439 PM EDT FRI JUL 27 2012 PAZ004>006-011-012-018-019-025>028-034>037-041-042-045-046-049>053- 056>059-063-064-282045- WARREN-MCKEAN-POTTER-CAMERON-NORTHERN CLINTON-NORTHERN CENTRE- SOUTHERN CENTRE-BLAIR-HUNTINGDON-MIFFLIN-JUNIATA-BEDFORD-FULTON- FRANKLIN-TIOGA-NORTHERN LYCOMING-SULLIVAN-SOUTHERN CLINTON- SOUTHERN LYCOMING-UNION-SNYDER-MONTOUR-NORTHUMBERLAND-COLUMBIA-PERRY- DAUPHIN-SCHUYLKILL-LEBANON-CUMBERLAND-ADAMS- 439 PM EDT FRI JUL 27 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. SCATTERED STRONG THUNDERSTORMS WILL FORM THIS AFTERNOON ALONG AND AHEAD OF A SLOW MOVING COLD FRONT...THAT WILL BE DRIFTING SOUTHEAST ACROSS THE STATE. SOME OF THE STORMS WILL CONTAIN GUSTY WINDS OF 40 TO 50 MPH...SMALL HAIL...AND FREQUENT CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ065-066-282045- YORK-LANCASTER- 439 PM EDT FRI JUL 27 2012 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS THIS AFTERNOON AND THIS EVENING. THE PRIMARY SEVERE WEATHER THREAT WILL BE IN THE FORM OF LOCALIZED DOWNBURST WIND GUSTS AROUND 60 MPH...AND HAIL UP TO ONE INCH IN DIAMETER. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME. PAZ010-017-024-033-282045- ELK-CLEARFIELD-CAMBRIA-SOMERSET- 439 PM EDT FRI JUL 27 2012 ...FLASH FLOOD WATCH IN EFFECT UNTIL 4 AM EDT SATURDAY... THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TONIGHT. PLEASE LISTEN TO NOAA WEATHER RADIO OR GO TO WEATHER.GOV/STATECOLLEGE ON THE INTERNET FOR MORE INFORMATION ABOUT THE FOLLOWING HAZARDS. FLASH FLOOD WATCH. SCATTERED STRONG THUNDERSTORMS WILL FORM THIS AFTERNOON ALONG AND AHEAD OF A SLOW MOVING COLD FRONT. THAT FRONT WILL BE DRIFTING SOUTHEAST ACROSS THE STATE AND COULD ALLOW FOR HEAVY DOWNPOURS WHICH MAY LEAD TO POSSIBLE FLOODING. SOME OF THE STORMS WILL CONTAIN GUSTY WINDS OF 40 TO 50 MPH...SMALL HAIL...AND FREQUENT CLOUD TO GROUND LIGHTNING. .DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY. THE PROBABILITY FOR WIDESPREAD HAZARDOUS WEATHER IS LOW. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Special weather statement, Jul 27, 5:48 PM EDT, 1 hour 57 minutes before
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</html>Local storm report, Jul 27, 6:45 PM EDT, 1 hour before
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</html>Special weather statement, Jul 27, 7:45 PM EDT, 0 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 26, 10:05 PM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, York | 3 hr |
| Jul 27, 1:12 PM EDT | Special Weather Statement | CTP | Warren | 78 min |
| Jul 27, 2:15 PM EDT | Special Weather Statement | CTP | Cameron, Elk | 75 min |
| Jul 27, 3:18 PM EDT | Special Weather Statement | CTP | Warren | 57 min |
| Jul 27, 3:37 PM EDT | Severe Thunderstorm Warning | CTP | McKean, Warren | 53 min |
| Jul 27, 3:46 PM EDT | Special Weather Statement | CTP | Lycoming | 59 min |
| Jul 27, 3:55 PM EDT | Special Weather Statement | CTP | Centre, Clearfield, Clinton | 35 min |
| Jul 27, 4:06 PM EDT | Flash Flood Watch | CTP | Cambria, Clearfield, Elk, Somerset | 12 hr |
| Jul 27, 4:20 PM EDT | Special Weather Statement | CTP | Lycoming | 55 min |
| Jul 27, 4:34 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon | 56 min |
| Jul 27, 4:38 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan | 52 min |
| Jul 27, 5:31 PM EDT | Special Weather Statement | CTP | Snyder, Union | 29 min |
| Jul 27, 5:48 PM EDT | Special Weather Statement | CTP | McKean | 57 min |
| Jul 27, 5:57 PM EDT | Special Weather Statement | CTP | Columbia, Montour, Northumberland, Snyder | 33 min |
| Jul 27, 6:42 PM EDT | Special Weather Statement | CTP | Potter | 63 min |
Nearby
Special Weather Statements in Pennsylvania, 2012Every special weather statement 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.