Alert archive / Pennsylvania / Flash Flood Warnings in 2011
Flash Flood Warning 32, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 8, 2011, 2:00 PM EDT for 4 counties in Pennsylvania. It was in force for 3 hr. 1 report came from inside the area while it was in force.
The area
The outline as issued, with what was reported inside it.
The facts
- Issued
- Jul 8, 2011, 2:00 PM EDT (18:00 UTC)
- Expired
- Jul 8, 2011, 5:24 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Cumberland County, PA, Dauphin County, PA, Perry County, PA, York County, PA
The radar
The State College radar (KCCX), 118 km from the middle of the area, began a volume at 18:04 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.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jul 8, 2:30 PM EDT | FLASH FLOOD | Carlisle, PA | NUMEROUS ROADS FLOODED IN DOWNTOWN CARLISLE |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Phillips Aaf/Abe, MD (KAPG), launched 12:00Z, 6.0 hours before the alert went out and 111 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
- 1352 J/kg
- Mixed-layer CIN
- -35 J/kg
- Mixed-layer LCL
- 668 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 88 m²/s²
- 0-3 km storm-relative helicity
- 134 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 2.9
The text
As transmitted, in the capitals the NWS used until 2016.
923
WGUS51 KCTP 081800
FFWCTP
PAC041-043-099-133-090000-
/O.NEW.KCTP.FF.W.0032.110708T1800Z-110709T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
200 PM EDT FRI JUL 8 2011
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
CUMBERLAND COUNTY...
SOUTHWESTERN DAUPHIN COUNTY...
SOUTHERN PERRY COUNTY...
NORTHWESTERN YORK COUNTY...
* UNTIL 800 PM EDT...
* AT 155 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
AN AREA OF VERY HEAVY RAIN FROM SLOW MOVING...TRAINING
THUNDERSTORMS OVER CUMBERLAND...NORTHWESTERN YORK...SOUTHERN PERRY
AND SOUTHWESTERN DAUPHIN COUNTIES. DOPPLER RADAR ESTIMATED THAT
OVER 2 INCHES OF RAIN HAS FALLEN ACROSS PORTIONS OF THE AREA
DURING THE PAST FEW HOURS...AND AN ADDITIONAL 1 TO 2 INCHES OF
RAIN IS EXPECTED LATE THIS AFTERNOON.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CAMP
HILL...CARLISLE...ENOLA...LEMOYNE...LOWER ALLEN...MECHANICSBURG...
NEW CUMBERLAND...COLONIAL PARK...HARRISBURG...HUMMELSTOWN...
LINGLESTOWN...MIDDLETOWN...PROGRESS AND STEELTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. TURN AROUND...DON'T DROWN! NEVER TRY
TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT. TO ESCAPE
RISING WATER MOVE UP TO HIGHER GROUND.
&&
LAT...LON 3998 7700 4002 7703 4007 7714 4003 7719
4000 7734 4001 7750 4016 7759 4041 7745
4046 7719 4046 7690 4033 7673 4015 7668
4012 7672 4008 7667 3997 7691
$$
FORECASTER: LAMBERT/JUNG/DEVOIR2 follow-up statements
822
WGUS71 KCTP 081957
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
357 PM EDT FRI JUL 8 2011
PAC041-043-099-133-090000-
/O.CON.KCTP.FF.W.0032.000000T0000Z-110709T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUMBERLAND PA-DAUPHIN PA-PERRY PA-YORK PA-
357 PM EDT FRI JUL 8 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 800 PM EDT FOR
NORTHWESTERN YORK...SOUTHERN PERRY...SOUTHWESTERN DAUPHIN AND
CUMBERLAND COUNTIES...
THUNDERSTORMS HAVE TAPERED OFF TO A STEADY LIGHT RAINFALL OVER THE
AREA. UP TO AN INCH OF RAIN FELL IN JUST A HALF OF AN HOUR ACCORDING
TO WEATHER SPOTTERS. HOWEVER...THE EARLIER HEAVY RAINFALL IS STILL
SWELLING THE CREEKS AND STREAMS IN THE AREA. THE WATERWAYS WILL TAKE
TIME TO RECEDE.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CAMP HILL...
CARLISLE...ENOLA...LEMOYNE...LOWER ALLEN...MECHANICSBURG...NEW
CUMBERLAND...COLONIAL PARK...HARRISBURG...HUMMELSTOWN...
LINGLESTOWN...MIDDLETOWN...PROGRESS AND STEELTON.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...HIGHWAYS AND UNDERPASSES. ADDITIONALLY...COUNTRY
ROADS AND FARMLANDS ALONG THE BANKS OF CREEKS...STREAMS AND OTHER LOW
LYING AREAS ARE SUBJECT TO FLOODING.
&&
LAT...LON 3998 7700 4002 7703 4007 7714 4003 7719
4000 7734 4001 7750 4016 7759 4041 7745
4046 7719 4046 7690 4033 7673 4015 7668
4012 7672 4008 7667 3997 7691
$$
FORECASTER: DANGELO216
WGUS71 KCTP 082124
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
524 PM EDT FRI JUL 8 2011
PAC041-043-099-133-082132-
/O.CAN.KCTP.FF.W.0032.000000T0000Z-110709T0000Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUMBERLAND PA-DAUPHIN PA-PERRY PA-YORK PA-
524 PM EDT FRI JUL 8 2011
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR NORTHWESTERN
YORK...SOUTHERN PERRY...SOUTHWESTERN DAUPHIN AND CUMBERLAND
COUNTIES...
NO FURTHER HEAVY RAIN IS EXPECTED FOR THE AREA THIS EVENING. THE
WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS NO
LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 3998 7700 4002 7703 4007 7714 4003 7719
4000 7734 4001 7750 4016 7759 4041 7745
4046 7719 4046 7690 4033 7673 4015 7668
4012 7672 4008 7667 3997 7691
$$
FORECASTER: DANGELOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 7, 9:23 PM EDT | Severe Thunderstorm Warning | CTP | Schuylkill | 56 min |
| Jul 8, 7:14 AM EDT | Special Weather Statement | CTP | McKean | 61 min |
| Jul 8, 7:52 AM EDT | Special Weather Statement | CTP | McKean | 53 min |
| Jul 8, 8:38 AM EDT | Special Weather Statement | CTP | Potter | 52 min |
| Jul 8, 11:31 AM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, York | 3 hr |
| Jul 8, 11:40 AM EDT | Flash Flood Watch | CTP | Adams, Cumberland, Dauphin, Lancaster, Lebanon, York | 7 hr |
| Jul 8, 12:56 PM EDT | Special Weather Statement | CTP | Snyder | 64 min |
| Jul 8, 1:13 PM EDT | Areal Flood Advisory | CTP | Cumberland, Dauphin, Franklin, Juniata, Perry | 3 hr |
| Jul 8, 2:26 PM EDT | Severe Thunderstorm Warning | CTP | Lycoming, Union | 64 min |
| Jul 8, 3:23 PM EDT | Special Weather Statement | CTP | Lancaster | 52 min |
| Jul 8, 4:08 PM EDT | Areal Flood Advisory | CTP | Tioga | 3 hr |
Nearby
Flash Flood Warnings in Pennsylvania, 2011Every flash flood warning in 2011
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.