Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 10, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jun 29, 2012, 7:46 PM EDT for Bedford County, Somerset County, Pennsylvania. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 29, 2012, 7:46 PM EDT (23:46 UTC)
- Expired
- Jun 29, 2012, 10:45 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Bedford County, PA, Somerset County, PA
The radar
The Pittsburgh radar (KPBZ), 114 km from the middle of the area, began a volume at 23:47 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 100 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
- 2131 J/kg
- Mixed-layer CIN
- -144 J/kg
- Mixed-layer LCL
- 1114 m above ground
- 0-6 km bulk shear
- 38 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
The text
As transmitted, in the capitals the NWS used until 2016.
727
WGUS51 KCTP 292346
FFWCTP
PAC009-111-300245-
/O.NEW.KCTP.FF.W.0010.120629T2346Z-120630T0245Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
746 PM EDT FRI JUN 29 2012
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN BEDFORD COUNTY...
NORTHERN SOMERSET COUNTY...
* UNTIL 1045 PM EDT...
* AT 738 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A LINE OF TRAINING...AND POTENTIALLY SEVERE
THUNDERSTORMS OVER NORTHERN SOMERSET AND NORTHWESTERN BEDFORD
COUNTIES. DOPPLER RADAR INDICATED THAT UP TO 2 INCHES OF RAIN HAS
ALREADY FALLEN OVER THE WARNED AREA DURING THE PAST HOUR.
ADDITIONAL THUNDERSTORMS THROUGH 10 PM WILL PRODUCE ANOTHER 1 TO 2
INCHES OF RAIN OVER THIS SAME AREA...LEADING TO FLASH FLOODING OF
STREAMS AND LOW LYING AREAS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
WINDBER....JEROME...BOSWELL...HOOVERSVILLE...CENTRAL CITY AND NEW
PARIS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT TAKES ONLY A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.
&&
LAT...LON 4006 7928 4011 7923 4013 7918 4015 7917
4029 7906 4029 7893 4027 7890 4025 7889
4025 7856 4013 7852 4001 7859
$$
FORECASTER: LAMBERT/EVANEGOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 29, 12:19 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 41 min |
| Jun 29, 12:41 AM EDT | Special Weather Statement | CTP | Elk | 49 min |
| Jun 29, 1:02 AM EDT | Severe Thunderstorm Warning | CTP | Warren | 58 min |
| Jun 29, 1:37 AM EDT | Special Weather Statement | CTP | McKean | 38 min |
| Jun 29, 1:46 AM EDT | Special Weather Statement | CTP | Elk | 29 min |
| Jun 29, 1:54 AM EDT | Special Weather Statement | CTP | Potter | 36 min |
| Jun 29, 1:58 AM EDT | Special Weather Statement | CTP | Clearfield | 32 min |
| Jun 29, 2:24 AM EDT | Special Weather Statement | CTP | Centre, Clearfield | 51 min |
| Jun 29, 2:27 AM EDT | Special Weather Statement | CTP | Potter | 48 min |
| Jun 29, 2:31 AM EDT | Special Weather Statement | CTP | Blair | 44 min |
| Jun 29, 2:54 AM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Huntingdon, Juniata, Mifflin, Perry and 2 more | 51 min |
| Jun 29, 3:11 AM EDT | Special Weather Statement | CTP | Blair, Franklin, Huntingdon, Mifflin, Perry | 34 min |
| Jun 29, 3:14 AM EDT | Special Weather Statement | CTP | Sullivan, Tioga | 31 min |
| Jun 29, 3:46 AM EDT | Special Weather Statement | CTP | Adams, Cumberland, Dauphin, Franklin, Lancaster, Perry and 1 more | 29 min |
| Jun 29, 3:48 AM EDT | Special Weather Statement | CTP | Schuylkill | 27 min |
| Jun 29, 4:12 AM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Lancaster, Lebanon, Northumberland, Schuylkill | 48 min |
| Jun 29, 4:14 AM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin, York | 50 min |
| Jun 29, 4:43 AM EDT | Special Weather Statement | CTP | Lancaster | 32 min |
| Jun 29, 4:49 AM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 16 min |
| Jun 29, 6:39 PM EDT | Special Weather Statement | CTP | Bedford | 66 min |
| Jun 29, 6:49 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Blair, Cambria, Somerset | 56 min |
| Jun 29, 7:28 PM EDT | Special Weather Statement | CTP | Huntingdon | 62 min |
| Jun 29, 7:39 PM EDT | Severe Thunderstorm Warning | CTP | Bedford, Franklin, Fulton | 66 min |
| Jun 29, 7:41 PM EDT | Severe Thunderstorm Warning | CTP | Franklin, Huntingdon | 49 min |
| Jun 29, 7:54 PM EDT | Special Weather Statement | CTP | Bedford, Somerset | 81 min |
Nearby
Flash Flood Warnings in Pennsylvania, 2012Every flash flood 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.