Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 8, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jun 1, 2012, 9:17 PM EDT for 4 counties in Pennsylvania. It was in force for 5 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 1, 2012, 9:17 PM EDT (01:17 UTC)
- Expired
- Jun 2, 2012, 1:54 AM EDT
- In force
- 5 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Dauphin County, PA, Lancaster County, PA, Lebanon County, PA, York County, PA
The radar
The Dover AFB radar (KDOX), 141 km from the middle of the area, began a volume at 01:17 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
Washington/Dulle, VA (KIAD), launched 00:00Z, 1.3 hours before the alert went out and 154 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
- 497 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 52 kt
- 0-1 km storm-relative helicity
- 289 m²/s²
- 0-3 km storm-relative helicity
- 334 m²/s²
- Significant tornado parameter
- 0.9
- Supercell composite
- 6.1
The text
As transmitted, in the capitals the NWS used until 2016.
220
WGUS51 KCTP 020117
FFWCTP
PAC043-071-075-133-020615-
/O.NEW.KCTP.FF.W.0008.120602T0117Z-120602T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
917 PM EDT FRI JUN 1 2012
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN DAUPHIN COUNTY...
LANCASTER COUNTY...
LEBANON COUNTY...
YORK COUNTY...
* UNTIL 215 AM EDT...
* AT 912 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
FLASH FLOODING FROM THUNDERSTORMS OVER LANCASTER...LEBANON...
SOUTHEASTERN DAUPHIN AND YORK COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
DALLASTOWN...RED LION...SPRY...YORK...AKRON...COLUMBIA...EAST
PETERSBURG...ELIZABETHTOWN...EPHRATA...LANCASTER...LEOLA...
LITITZ...MANHEIM...MILLERSVILLE...MOUNT JOY...NEW HOLLAND...WILLOW
STREET...ANNVILLE...CORNWALL...LEBANON AND MYERSTOWN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. NEVER ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR IN AN
AUTOMOBILE. TURN AROUND DON'T DROWN!
&&
LAT...LON 3972 7698 4051 7646 4037 7621 4014 7587
4013 7588 4011 7593 4004 7593 3996 7599
3987 7598 3985 7601 3983 7601 3979 7604
3972 7610 3971 7624
$$
FORECASTER: CR/MD1 follow-up statement
651
WGUS71 KCTP 020554
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
154 AM EDT SAT JUN 2 2012
PAC043-071-075-133-020604-
/O.CAN.KCTP.FF.W.0008.000000T0000Z-120602T0615Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAUPHIN PA-LANCASTER PA-LEBANON PA-YORK PA-
154 AM EDT SAT JUN 2 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR YORK...LEBANON...
LANCASTER AND SOUTHEASTERN DAUPHIN COUNTIES...
THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND FLOOD WATERS
NO LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING HAS BEEN CANCELLED.
LAT...LON 3972 7698 4051 7646 4037 7621 4014 7587
4013 7588 4011 7593 4004 7593 3996 7599
3987 7598 3985 7601 3983 7601 3979 7604
3972 7610 3971 7624
$$
FORECASTER: DANGELOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 8:30 PM EDT | Special Weather Statement | CTP | Lancaster | 30 min |
| Jun 1, 8:38 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Sullivan, Tioga | 52 min |
| Jun 1, 8:47 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Clinton, Columbia, Cumberland, Dauphin, Juniata and 11 more | 58 min |
| Jun 1, 8:48 PM EDT | Severe Thunderstorm Warning | CTP | Lancaster, York | 57 min |
| Jun 1, 8:55 PM EDT | Areal Flood Advisory | CTP | Lancaster, Lebanon, York | 2 hr |
| Jun 1, 9:27 PM EDT | Areal Flood Advisory | CTP | Centre, Clinton, Cumberland, Franklin, Huntingdon, Juniata and 5 more | 3 hr |
| Jun 1, 9:46 PM EDT | Special Weather Statement | CTP | Lebanon, Schuylkill | 29 min |
| Jun 1, 10:01 PM EDT | Special Weather Statement | CTP | Sullivan | 29 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.