Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 16, NWS State College, PA
NWS State College, PA issued this flash flood warning at Aug 14, 2012, 10:12 PM EDT for Cumberland County, Dauphin County, Perry County, Pennsylvania. It was in force for 3 hr. 4 reports 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
- Aug 14, 2012, 10:12 PM EDT (02:12 UTC)
- Expired
- Aug 15, 2012, 1:15 AM 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
The radar
The State College radar (KCCX), 109 km from the middle of the area, began a volume at 02:15 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 |
|---|---|---|---|
| Aug 14, 10:30 PM EDT | FLASH FLOOD | 5 S Carlisle, PA | ROUTE 34 FLOODED |
| Aug 14, 11:00 PM EDT | FLASH FLOOD | Lemoyne, PA | SOUTH FRONT STREET AND SOUTH MARKET STREET FLOODED |
| Aug 14, 11:10 PM EDT | FLASH FLOOD | 2 W Camp Hill, PA | 400 BLOCK OF FRONT STREET FLOODED |
| Aug 14, 11:10 PM EDT | FLASH FLOOD | 4 Ene Carlisle, PA | CARLISLE TURNPIKE ROUTE 11 FLOODED IN SILVER SPRING TOWNSHIP |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Washington/Dulle, VA (KIAD), launched 00:00Z, 2.2 hours before the alert went out and 160 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
- 833 J/kg
- Mixed-layer CIN
- -23 J/kg
- Mixed-layer LCL
- 1690 m above ground
- 0-6 km bulk shear
- 22 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 59 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
326
WGUS51 KCTP 150212
FFWCTP
PAC041-043-099-150515-
/O.NEW.KCTP.FF.W.0016.120815T0212Z-120815T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1012 PM EDT TUE AUG 14 2012
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN CUMBERLAND COUNTY...
DAUPHIN COUNTY...
EASTERN PERRY COUNTY...
* UNTIL 115 AM EDT...
* AT 1010 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR
INDICATED VERY HEAVY RAIN FROM A CLUSTER OF THUNDERSTORMS OVER
DAUPHIN...EASTERN PERRY AND NORTHEASTERN CUMBERLAND COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CAMP
HILL...CARLISLE...ENOLA...LEMOYNE...LOWER ALLEN...MECHANICSBURG...
NEW CUMBERLAND...COLONIAL PARK...HARRISBURG...LINGLESTOWN AND
PROGRESS.
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!
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.
&&
LAT...LON 4012 7739 4045 7729 4056 7704 4064 7680
4066 7672 4048 7667 4046 7668 4031 7663
4021 7687 4022 7690 4020 7692 4011 7714
$$
FORECASTER: MARTIN1 follow-up statement
183
WGUS71 KCTP 150426
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1226 AM EDT WED AUG 15 2012
PAC043-099-150434-
/O.CAN.KCTP.FF.W.0016.000000T0000Z-120815T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DAUPHIN PA-PERRY PA-
1226 AM EDT WED AUG 15 2012
...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR EASTERN PERRY AND
DAUPHIN COUNTIES...
THUNDERSTORMS HAVE MOVED OUT OF THE AREA AND ANY MINOR RESIDUAL
FLOODING DOES NOT POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE
FLASH FLOOD WARNING HAS BEEN CANCELLED.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COLONIAL
PARK...HARRISBURG...LINGLESTOWN AND PROGRESS.
LAT...LON 4019 7724 4025 7717 4029 7705 4031 7692
4028 7692 4026 7691 4023 7686 4021 7687
4023 7689 4014 7721
$$
PAC041-150515-
/O.CON.KCTP.FF.W.0016.000000T0000Z-120815T0515Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CUMBERLAND PA-
1226 AM EDT WED AUG 15 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 115 AM EDT FOR
NORTHEASTERN CUMBERLAND COUNTY...
AT 1211 AM EDT...THUNDERSTORMS HAVE MOVED OUT OF THE AREA.
HOWEVER...RUNOFF FROM EARLIER HEAVY DOWNPOURS CONTINUE TO CAUSE
FLASH FLOODING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CAMP HILL...
CARLISLE...CARLISLE SPRINGS...ENOLA...HOGESTOWN...LEMOYNE...
MECHANICSBURG...NEW CUMBERLAND...SHIREMANSTOWN...WERTZVILLE...WEST
FAIRVIEW AND WORMLEYSBURG.
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.
&&
LAT...LON 4019 7724 4025 7717 4029 7705 4031 7692
4028 7692 4026 7691 4023 7686 4021 7687
4023 7689 4014 7721
$$
FORECASTER: KFThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 14, 8:05 PM EDT | Special Weather Statement | CTP | Schuylkill | 25 min |
| Aug 14, 8:09 PM EDT | Special Weather Statement | CTP | Dauphin | 36 min |
| Aug 14, 8:17 PM EDT | Special Weather Statement | CTP | Adams | 28 min |
| Aug 14, 8:21 PM EDT | Special Weather Statement | CTP | Juniata | 24 min |
| Aug 14, 8:25 PM EDT | Special Weather Statement | CTP | Clinton | 35 min |
| Aug 14, 8:29 PM EDT | Special Weather Statement | CTP | Franklin, Fulton | 31 min |
| Aug 14, 8:38 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Snyder | 37 min |
| Aug 14, 9:01 PM EDT | Severe Thunderstorm Warning | CTP | Juniata, Perry | 59 min |
| Aug 14, 9:02 PM EDT | Special Weather Statement | CTP | Franklin | 58 min |
| Aug 14, 9:24 PM EDT | Areal Flood Advisory | CTP | Juniata, Perry, Snyder | 3 hr |
| Aug 14, 9:25 PM EDT | Special Weather Statement | CTP | Adams | 35 min |
| Aug 14, 9:31 PM EDT | Special Weather Statement | CTP | Cumberland | 44 min |
| Aug 14, 9:33 PM EDT | Severe Thunderstorm Warning | CTP | Adams, Cumberland, Franklin | 57 min |
| Aug 14, 9:56 PM EDT | Special Weather Statement | CTP | Dauphin | 34 min |
| Aug 14, 10:43 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon, York | 62 min |
| Aug 14, 11:50 PM EDT | Special Weather Statement | CTP | Lancaster | 40 min |
| Aug 15, 6:12 PM EDT | Special Weather Statement | CTP | Cameron | 63 min |
| Aug 15, 6:42 PM EDT | Special Weather Statement | CTP | Mifflin | 33 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.