Alert archive / Pennsylvania / Areal Flood Warnings in 2010
Areal Flood Warning 21, NWS State College, PA
NWS State College, PA issued this areal flood warning at Jul 14, 2010, 1:58 PM EDT for Lancaster County, Pennsylvania. It was in force for 4 hr. 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 14, 2010, 1:58 PM EDT (17:58 UTC)
- Expired
- Jul 14, 2010, 6:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
County Lancaster County, PA
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.0 hours before the alert went out and 65 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
- 181 J/kg
- Mixed-layer CIN
- -32 J/kg
- Mixed-layer LCL
- 495 m above ground
- 0-6 km bulk shear
- 35 kt
- 0-1 km storm-relative helicity
- 56 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.2
What forecasters said that day
The local office's own words before this areal flood 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 areal flood warning went out at Jul 14, 1:47 PM EDT, 11 minutes earlier.
Area forecast discussion, Jul 14, 1:47 PM EDT, 11 minutes before
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</html>Hazardous weather outlook, Jul 14, 4:52 AM EDT, 9 hours 6 minutes before
HAZARDOUS WEATHER OUTLOOK NATIONAL WEATHER SERVICE STATE COLLEGE PA 452 AM EDT WED JUL 14 2010 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>059-063>066-150900- 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- 452 AM EDT WED JUL 14 2010 THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL PENNSYLVANIA. .DAY ONE...TODAY AND TONIGHT. NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME. .DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY. A COLD FRONT WILL PUSH SOUTHEAST ACROSS PENNSYLVANIA LATER FRIDAY INTO SATURDAY...ACCOMPANIED BY SCATTERED STRONG TO POSSIBLY SEVERE THUNDERSTORMS. .SPOTTER INFORMATION STATEMENT... SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.
In the hours before
Local storm report, Jul 14, 12:26 PM EDT, 1 hour 32 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 13, 9:55 PM EDT | Special Weather Statement | CTP | Lancaster | 110 min |
| Jul 13, 10:23 PM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cambria, Cumberland, Huntingdon, Juniata and 3 more | 3 hr |
| Jul 13, 11:29 PM EDT | Flash Flood Warning | CTP | Bedford, Cambria, Somerset | 5 hr |
| Jul 14, 1:04 AM EDT | Areal Flood Advisory | CTP | Dauphin, Lancaster, Lebanon, York | 3 hr |
| Jul 14, 1:05 AM EDT | Flash Flood Warning | CTP | Cambria, Somerset | 3 hr |
| Jul 14, 1:21 AM EDT | Areal Flood Advisory | CTP | Bedford, Blair, Cumberland, Fulton, Huntingdon, Juniata and 2 more | 3 hr |
| Jul 14, 1:44 AM EDT | Areal Flood Advisory | CTP | Dauphin, Juniata, Lebanon, Northumberland, Perry, Schuylkill | 3 hr |
| Jul 14, 2:49 AM EDT | Areal Flood Advisory | CTP | Adams, Cumberland, Dauphin, Franklin, Fulton, Huntingdon and 2 more | 3 hr |
| Jul 14, 5:28 AM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Snyder, Union | 3 hr |
| Jul 14, 6:27 AM EDT | Flash Flood Warning | CTP | Columbia, Montour, Northumberland | 3 hr |
| Jul 14, 10:10 AM EDT | Areal Flood Advisory | CTP | Lancaster, York | 3 hr |
| Jul 14, 10:41 AM EDT | Flash Flood Warning | CTP | Lancaster | 4 hr |
| Jul 14, 10:59 AM EDT | Areal Flood Advisory | CTP | Schuylkill | 4 hr |
| Jul 14, 11:23 AM EDT | Areal Flood Advisory | CTP | Lebanon | 3 hr |
Nearby
Areal Flood Warnings in Pennsylvania, 2010Every areal flood 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.