Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 1, NWS State College, PA
NWS State College, PA issued this flash flood warning at May 3, 2012, 4:18 PM EDT for Centre County, Clearfield County, Clinton 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
- May 3, 2012, 4:18 PM EDT (20:18 UTC)
- Expired
- May 3, 2012, 7:15 PM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Centre County, PA, Clearfield County, PA, Clinton County, PA
The radar
The State College radar (KCCX), 23 km from the middle of the area, began a volume at 20:21 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, 8.3 hours before the alert went out and 189 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
- 1454 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 962 m above ground
- 0-6 km bulk shear
- 23 kt
- 0-1 km storm-relative helicity
- 118 m²/s²
- 0-3 km storm-relative helicity
- 101 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
601
WGUS51 KCTP 032018
FFWCTP
PAC027-033-035-032315-
/O.NEW.KCTP.FF.W.0001.120503T2018Z-120503T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
418 PM EDT THU MAY 3 2012
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN CLEARFIELD COUNTY...
NORTHERN CENTRE COUNTY...
WEST CENTRAL CLINTON COUNTY...
* UNTIL 715 PM EDT...
* AT 413 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A CLUSTER OF THUNDERSTORMS OVER NORTHEASTERN
CLEARFIELD AND NORTHERN CENTRE COUNTIES AS WELL AS A SMALL PORTION
OF WEST CENTRAL CLINTON COUNTY. THE STORMS WERE DRIFTING VERY
SLOWLY AND MANY WERE STATIONARY. SOME SPOTS MAY PICK UP OVER 3
INCHES OF RAIN FROM THESE STORMS.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO KARTHAUS...
LECONTES MILLS...PARKER DAM STATE PARK...PENFIELD...S.B. ELLIOT
STATE PARK...BALD EAGLE STATE PARK...MOSHANNON...PINE GLEN AND SNOW
SHOE.
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!
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 4122 7810 4117 7780 4108 7760 4098 7757
4097 7808 4112 7861 4125 7864
$$
FORECASTER: DANGELO2 follow-up statements
627
WGUS71 KCTP 032119
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
519 PM EDT THU MAY 3 2012
PAC027-033-035-032315-
/O.CON.KCTP.FF.W.0001.000000T0000Z-120503T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLEARFIELD PA-CENTRE PA-CLINTON PA-
519 PM EDT THU MAY 3 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM EDT FOR WEST
CENTRAL CLINTON...NORTHERN CENTRE AND NORTHEASTERN CLEARFIELD
COUNTIES...
AT 508 PM EDT...MOST OF THE THUNDERSTORMS HAD MOVED TO THE SOUTH OF
THE WARNED AREA...BUT UP TO 3 INCHES OF RAIN HAS FALLEN THIS
AFTERNOON. THE HEAVY RAIN IS NOW FLOWING INTO THE STREAMS AND
CREEKS. BEECH CREEK AND MARSH CREEK WILL SEE SHARP RISES AND MAY
OVERFLOW THEIR BANKS. IF YOU LIVE ALONG THESE WATERWAYS...BE
PREPARED TO MOVE TO HIGHER GROUND.
LIGHT RAIN WILL FALL INTO THE EARLY EVENING...WITH ONLY AN ISOLATED
SHOWER OR THUNDERSTORM POSSIBLE. ADDITIONAL RAINFALL AMOUNTS OF A
HALF OF AN INCH ARE POSSIBLE IN THE WARNED AREA EARLY THIS EVENING.
MOST LOCATIONS IN THE WARNING ARE RURAL AREAS OF NORTHEASTERN
CLEARFIELD...NORTHERN CENTRE AND WEST CENTRAL CLINTON COUNTIES.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. MOVE TO HIGHER GROUND.
&&
LAT...LON 4122 7810 4117 7780 4108 7760 4098 7757
4097 7808 4112 7861 4125 7864
$$
FORECASTER: DANGELO666
WGUS71 KCTP 032311
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
711 PM EDT THU MAY 3 2012
PAC027-033-035-032319-
/O.EXP.KCTP.FF.W.0001.000000T0000Z-120503T2315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLEARFIELD PA-CENTRE PA-CLINTON PA-
711 PM EDT THU MAY 3 2012
...THE FLASH FLOOD WARNING WILL EXPIRE AT 715 PM EDT FOR WEST CENTRAL
CLINTON...NORTHERN CENTRE AND NORTHEASTERN CLEARFIELD COUNTIES...
THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING AND SHOULD NO
LONGER POSE A THREAT TO LIFE OR PROPERTY. THEREFORE...THE FLASH
FLOOD WARNING WILL BE ALLOWED TO EXPIRE AT 715 PM.
IF YOU ENCOUNTER ANY FLOODED ROADWAYS...DO NOT ATTEMPT TO CROSS
THEM. FIND ANOTHER WAY TO YOUR DESTINATION OR WAIT UNTIL THE WATER
RECEDES.
LAT...LON 4122 7810 4117 7780 4108 7760 4098 7757
4097 7808 4112 7861 4125 7864
$$
FORECASTER: DANGELOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 2, 8:01 PM EDT | Severe Thunderstorm Warning | CTP | McKean | 29 min |
| May 2, 8:38 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Potter, Tioga, Warren | 52 min |
| May 2, 8:58 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clinton, Elk, Lycoming, McKean, Potter and 1 more | 62 min |
| May 2, 9:19 PM EDT | Areal Flood Advisory | CTP | Cameron, Elk, McKean, Potter, Tioga, Warren | 3 hr |
| May 2, 9:56 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Centre, Clinton, Lycoming, Potter, Tioga | 34 min |
| May 2, 10:27 PM EDT | Special Weather Statement | CTP | Lycoming, Union | 33 min |
| May 2, 10:59 PM EDT | Special Weather Statement | CTP | Montour, Northumberland, Snyder, Union | 31 min |
| May 3, 12:35 AM EDT | Special Weather Statement | CTP | Blair | 25 min |
| May 3, 1:49 AM EDT | Special Weather Statement | CTP | Cumberland, Lancaster, York | 71 min |
| May 3, 5:16 AM EDT | Special Weather Statement | CTP | Bedford, Fulton | 44 min |
| May 3, 1:43 PM EDT | Special Weather Statement | CTP | Warren | 47 min |
| May 3, 2:51 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean | 39 min |
| May 3, 3:20 PM EDT | Special Weather Statement | CTP | Cameron | 25 min |
| May 3, 3:43 PM EDT | Areal Flood Advisory | CTP | Elk | 2 hr |
| May 3, 3:55 PM EDT | Special Weather Statement | CTP | Elk | 50 min |
| May 3, 4:04 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clearfield | 45 min |
| May 3, 4:44 PM EDT | Special Weather Statement | CTP | Clearfield | 31 min |
| May 3, 5:04 PM EDT | Special Weather Statement | CTP | Centre | 41 min |
| May 3, 5:09 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton | 42 min |
| May 3, 5:18 PM EDT | Special Weather Statement | CTP | Cumberland | 57 min |
| May 3, 5:21 PM EDT | Special Weather Statement | CTP | Lycoming | 24 min |
| May 3, 5:29 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Juniata, Mifflin, Snyder, Union | 46 min |
| May 3, 6:04 PM EDT | Special Weather Statement | CTP | Warren | 56 min |
| May 3, 6:13 PM EDT | Special Weather Statement | CTP | Juniata, Northumberland, Perry, Snyder | 47 min |
| May 3, 6:33 PM EDT | Special Weather Statement | CTP | McKean | 57 min |
| May 3, 6:45 PM EDT | Special Weather Statement | CTP | Juniata, Perry | 60 min |
| May 3, 6:56 PM EDT | Special Weather Statement | CTP | Dauphin, Northumberland | 64 min |
| May 3, 7:05 PM EDT | Special Weather Statement | CTP | Fulton | 25 min |
| May 3, 7:30 PM EDT | Special Weather Statement | CTP | Fulton | 45 min |
| May 3, 7:32 PM EDT | Special Weather Statement | CTP | Dauphin, Lebanon | 58 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.