Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 11, NWS State College, PA
NWS State College, PA issued this flash flood warning at Jul 12, 2012, 7:51 PM EDT for McKean County, Pennsylvania. It was in force for 4 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 12, 2012, 7:51 PM EDT (23:51 UTC)
- Expired
- Jul 12, 2012, 11:45 PM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
County McKean County, PA
The radar
The State College radar (KCCX), 117 km from the middle of the area, began a volume at 23:54 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 12, 9:15 PM EDT | FLASH FLOOD | Rew, PA | WATER ACROSS INTERSECTION OF ROUTES 46 AND 646 IN REW |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 11.9 hours before the alert went out and 114 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2007 m above ground
- 0-6 km bulk shear
- 11 kt
- 0-1 km storm-relative helicity
- 14 m²/s²
- 0-3 km storm-relative helicity
- 38 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
496
WGUS51 KCTP 122351
FFWCTP
PAC083-130345-
/O.NEW.KCTP.FF.W.0011.120712T2351Z-120713T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
751 PM EDT THU JUL 12 2012
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHEASTERN MCKEAN COUNTY...
* UNTIL 1145 PM EDT...
* AT 743 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
VERY HEAVY RAIN FROM A CLUSTER OF SLOW-MOVING THUNDERSTORMS OVER
NORTHEASTERN MCKEAN COUNTY. THE RADAR ESTIMATES ARE MORE THAN 3
INCHES IN THE LAST TWO HOURS. THIS AMOUNT OF RAIN WILL CAUSE FLASH
FLOODING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
ELDRED...CORYVILLE AND REW.
THE STORMS APPEAR TO BE WEAKENING AND RAIN SHOULD BE DISSIPATING
THROUGH 830 PM OR 9 PM. BUT ADDITIONAL RAINFALL AMOUNTS OF UP TO AN
INCH ARE POSSIBLE IN THE WARNED AREA.
THE HEAVIEST RAIN HAS BEEN TO THE EAST OF THE CITY OF BRADFORD AND
NORTH OF SMETHPORT AND PORT ALLEGANY. SMALLER STREAMS AND CREEKS
WHICH EMPTY INTO THE ALLEGHENY RIVER NEAR ELDRED ARE MOST AT RISK
FOR FLASH FLOODING.
IF YOU LIVE NEAR ELDRED...BE PREPARED TO MOVE TO HIGHER GROUND TO
ESCAPE FLOOD WATERS.
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 4184 7821 4183 7858 4200 7872 4201 7869
4201 7821
$$
FORECASTER: DANGELO3 follow-up statements
949
WGUS71 KCTP 130109
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
909 PM EDT THU JUL 12 2012
PAC083-130345-
/O.CON.KCTP.FF.W.0011.000000T0000Z-120713T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCKEAN PA-
909 PM EDT THU JUL 12 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
NORTHEASTERN MCKEAN COUNTY...
AT 902 PM EDT...DOPPLER RADAR ESTIMATES AND RAIN GAGE REPORTS
CONTINUE TO INDICATE HEAVY RAINFALL FROM THUNDERSTORMS.
THE STORMS HAVE WEAKENED...BUT THE HEAVY RAIN SHIFTED TO THE
WEST...AND A SECOND AREA OF 2 TO 3 INCHES OF RAIN HAS OCCURRED
BETWEEN BRADFORD AND REW. AND RAINFALL HAS JUST BEGUN IN THE CITY OF
BRADFORD. THIS 2 TO 3 INCHES OF RAINFALL IN SUCH A SHORT AMOUNT OF
TIME IS ENOUGH TO PRODUCE FLOODING.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BRADFORD...REW...ELDRED AND CORYVILLE.
MORE SHOWERS CONTINUE TO POP UP TO THE NORTH AND WEST OF THE WARNED
AREA...AND MAY MOVE INTO THE WARNED AREA.
ADDITIONAL RAINFALL AMOUNTS OF AN INCH OR MORE ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...AS WELL AS FARMLAND ALONG THE
BANKS OF CREEKS AND STREAMS.
FLOODING IS OCCURRING OR IS IMMINENT. MOST FLOOD RELATED DEATHS OCCUR
IN AUTOMOBILES. DO NOT ATTEMPT TO CROSS WATER COVERED BRIDGES...
DIPS...OR LOW WATER CROSSINGS. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.
PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE BY CALLING YOUR LOCAL
LAW ENFORCEMENT OFFICIALS OR BY CALLING THE NATIONAL WEATHER SERVICE
TOLL FREE AT...1 8 7 7 6 3 3 6 7 7 2.
&&
LAT...LON 4184 7821 4183 7858 4200 7872 4201 7869
4201 7821
$$
FORECASTER: DANGELO970
WGUS71 KCTP 130224
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1024 PM EDT THU JUL 12 2012
PAC083-130345-
/O.CON.KCTP.FF.W.0011.000000T0000Z-120713T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCKEAN PA-
1024 PM EDT THU JUL 12 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
NORTHEASTERN MCKEAN COUNTY...
AT 1020 PM EDT...DOPPLER RADAR ESTIMATES AND RAIN GAGE REPORTS
CONTINUE TO INDICATE THAT RAIN CONTINUES TO FALL OVER NORTHEASTERN
MCKEAN COUNTY. ADDITIONAL RAIN SHOWERS HAVE DEVELOPED TO THE WEST OF
THE AREA WHICH HAS THUS FAR RECEIVED THE HEAVY RAIN. THOSE NEWER
SHOWERS ARE MOVING TO THE EAST...AND WILL ONLY MAKE ANY FLOODING
WORSE IF THEY CONTINUE INTO THE WARNED AREA.
SPOTS NEAR REW AND ELDRED MAY HAVE PICKED UP 3 TO 5 INCHES OF RAIN
ALREADY THIS EVENING...AND MORE RAIN IS EXPECTED. ADDITIONAL
RAINFALL AMOUNTS OF AN INCH OR MORE ARE POSSIBLE IN THE WARNED AREA.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BRADFORD...REW...ELDRED AND CORYVILLE.
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.
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. NEVER TRY TO CROSS A FLOWING STREAM...
EVEN A SMALL ONE...ON FOOT. TO ESCAPE RISING WATER MOVE UP TO HIGHER
GROUND.
PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE BY CALLING YOUR LOCAL
LAW ENFORCEMENT OFFICIALS OR BY CALLING THE NATIONAL WEATHER SERVICE
TOLL FREE AT...1 8 7 7 6 3 3 6 7 7 2.
&&
LAT...LON 4184 7821 4183 7858 4200 7872 4201 7869
4201 7821
$$
FORECASTER: DANGELO208
WGUS71 KCTP 130345
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1145 PM EDT THU JUL 12 2012
PAC083-130345-
/O.CON.KCTP.FF.W.0011.000000T0000Z-120713T0345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MCKEAN PA-
1145 PM EDT THU JUL 12 2012
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1145 PM EDT FOR
NORTHEASTERN MCKEAN COUNTY...
AT 1124 PM EDT...DOPPLER RADAR CONTINUED TO INDICATE AREAS OF HEAVY
RAIN SHOWERS ACROSS THE NORTHEAST PART OF MCKEAN COUNTY. THE SHOWERS
WERE DRIFTING VERY SLOWLY TO THE EAST.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO BRADFORD...
ELDRED...AND REW.
DOPPLER RADAR ESTIMATED THAT AROUND ONE INCH OF RAIN HAS FALLEN
BETWEEN 1030 PM AND 1130 PM...WITHIN THE AREA BOUNDED BY THE TOWNS
OF ELDRED...CORRYVILLE AND REW.
RADAR ESTIMATES OF STORM TOTAL RAINFALL OVER THE PAST SEVERAL HOURS
WERE BETWEEN 3 AND 5 INCHES IN A NARROW BAND STRETCHING FROM JUST
WEST OF REW...NORTHEAST THROUGH THE ELDRED AREA...TO THE NEW YORK
BORDER SEVERAL MILE TO THE SOUTH OF PORTVILLE.
LOCAL EMERGENCY MANAGEMENT OFFICIALS RECEIVED NO REPORTS OF
SIGNIFICANT FLOODING SO FAR TONIGHT.
ADDITIONAL...AND HIGHLY LOCALIZED RAINFALL OF BETWEEN ONE HALF OF AN
INCH...AND ONE INCH COULD STILL FALL OVER THE NEXT HOUR OR TWO
ACROSS THE WARNED AREA. HOWEVER...RAINFALL RATES ARE DIMINISHING
SLOWLY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
PLEASE REPORT FLOODING...HAIL OR WIND DAMAGE BY CALLING YOUR LOCAL
LAW ENFORCEMENT OFFICIALS OR BY CALLING THE NATIONAL WEATHER SERVICE
TOLL FREE AT...1 8 7 7 6 3 3 6 7 7 2.
&&
LAT...LON 4191 7828 4187 7842 4190 7856 4196 7856
4195 7868 4200 7872 4201 7869 4201 7821
$$
FORECASTER: LAMBERTThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 12, 6:27 PM EDT | Areal Flood Advisory | CTP | McKean | 2 hr |
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.