Alert archive / Pennsylvania / Flash Flood Warnings in 2011
Flash Flood Warning 8, NWS State College, PA
NWS State College, PA issued this flash flood warning at Apr 26, 2011, 10:43 PM EDT for Sullivan County, 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
- Apr 26, 2011, 10:43 PM EDT (02:43 UTC)
- Expired
- Apr 27, 2011, 1:45 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
County Sullivan County, PA
The radar
The Binghamton radar (KBGM), 100 km from the middle of the area, began a volume at 02:43 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 |
|---|---|---|---|
| Apr 27, 1:03 AM EDT | FLASH FLOOD | Dushore, PA | 2 FEET OF WATER IN TOWN |
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 00:00Z, 2.7 hours before the alert went out and 252 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
- 10 J/kg
- Mixed-layer CIN
- -223 J/kg
- Mixed-layer LCL
- 1134 m above ground
- 0-6 km bulk shear
- 63 kt
- 0-1 km storm-relative helicity
- 168 m²/s²
- 0-3 km storm-relative helicity
- 238 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
144
WGUS51 KCTP 270243
FFWCTP
PAC113-270545-
/O.NEW.KCTP.FF.W.0008.110427T0243Z-110427T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1043 PM EDT TUE APR 26 2011
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SULLIVAN COUNTY...
* UNTIL 145 AM EDT...
* AT 1038 PM EDT...EMERGENCY MANAGEMENT PERSONNEL INDICATE THAT
FLOODING IS OCCURRING IN AND AROUND DUSHORE. THE HIGH WATERS ARE THE
RESULT OF RUNOFF FROM EARLIER HEAVY RAINS.
ANY LINGERING SHOWERS OVER THE AREA SHOULD WIND DOWN BY MIDNIGHT.
HOWEVER RUNOFF WILL CONTINUE TO CAUSE PROBLEMS OVER THE NEXT SEVERAL
HOURS.
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 4130 7631 4131 7641 4129 7643 4129 7652
4142 7673 4158 7678 4154 7624
$$
FORECASTER: LA CORTE3 follow-up statements
212
WGUS71 KCTP 270357
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
1157 PM EDT TUE APR 26 2011
PAC113-270545-
/O.CON.KCTP.FF.W.0008.000000T0000Z-110427T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SULLIVAN PA-
1157 PM EDT TUE APR 26 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM EDT FOR
SULLIVAN COUNTY...
AT 1152 PM EDT...EMERGENCY MANAGEMENT OFFICIALS INDICATE THAT
FLOODING CONTINUES IN AND AROUND DUSHORE. 30 HOMES HAVE BEEN
EVACUATED WITH SEVERAL PEOPLE RELOCATED TO SHELTERS.
ANOTHER AREA OF SHOWERS WILL MOVE OVER THE WARNING AREA BETWEEN
MIDNIGHT AND 1 AM...AFTER WHICH THE REMAINDER OF THE OVERNIGHT IS
EXPECTED TO REMAIN MAINLY DRY.
EXPECT RUNOFF FROM THE EARLIER HEAVY RAINS TO CONTINUE CAUSING HIGH
WATER PROBLEMS FOR THE NEXT SEVERAL HOURS.
LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO RURAL AREAS
OF SULLIVAN COUNTY.
LAT...LON 4130 7631 4131 7641 4129 7643 4129 7652
4142 7673 4158 7678 4154 7624
$$
FORECASTER: LA CORTE906
WGUS71 KCTP 270515
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
115 AM EDT WED APR 27 2011
PAC113-270545-
/O.CON.KCTP.FF.W.0008.000000T0000Z-110427T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SULLIVAN PA-
115 AM EDT WED APR 27 2011
...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 145 AM EDT FOR
SULLIVAN COUNTY...
AT 110 AM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING IN DUSHORE. TWO TO THREE FEET OF WATER HAD COVERED MUCH OF
THE TOWN...BUT THE WATER IS BEGINNING TO RECEDE. ONLY VERY LIGHT AND
SPOTTY RAIN IS EXPECTED FOR THE REST OF THE NIGHT. THEREFORE THE
WATER SHOULD CONTINUE TO RECEDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THE RED CROSS HAS OPENED A SHELTER AT SAINT BASIL CHURCH IN DUSHORE
FOR ANY DISPLACED RESIDENTS.
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. IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND
IMMEDIATELY. DO NOT ATTEMPT TO CROSS SWIFTLY FLOWING WATERS OR
WATERS OF UNKNOWN DEPTH BY FOOT OR BY AUTOMOBILE.
&&
LAT...LON 4130 7631 4131 7641 4129 7643 4129 7652
4142 7673 4158 7678 4154 7624
$$
FORECASTER: DANGELO396
WGUS71 KCTP 270546
FFSCTP
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE STATE COLLEGE PA
146 AM EDT WED APR 27 2011
PAC113-270555-
/O.EXP.KCTP.FF.W.0008.000000T0000Z-110427T0545Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SULLIVAN PA-
146 AM EDT WED APR 27 2011
...THE FLASH FLOOD WARNING HAS EXPIRED FOR SULLIVAN COUNTY...
THE WATERS FROM THE EARLIER HEAVY RAINS ARE RECEDING.
THEREFORE...THE FLASH FLOOD WARNING WAS ALLOWED TO EXPIRE.
LAT...LON 4130 7631 4131 7641 4129 7643 4129 7652
4142 7673 4158 7678 4154 7624
$$
FORECASTER: DANGELOThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 26, 8:22 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Juniata, Lycoming, Montour, Northumberland, Perry and 2 more | 68 min |
| Apr 26, 8:27 PM EDT | Special Weather Statement | CTP | Bedford, Blair, Cambria, Somerset | 48 min |
| Apr 26, 8:40 PM EDT | Special Weather Statement | CTP | Lycoming, Sullivan | 50 min |
| Apr 26, 8:58 PM EDT | Special Weather Statement | CTP | Bedford, Fulton, Huntingdon | 62 min |
| Apr 26, 9:01 PM EDT | Severe Thunderstorm Warning | CTP | Columbia, Lycoming, Montour, Northumberland, Schuylkill, Snyder and 1 more | 59 min |
| Apr 26, 10:12 PM EDT | Special Weather Statement | CTP | Columbia, Cumberland, Dauphin, Juniata, Montour, Northumberland and 3 more | 63 min |
| Apr 26, 11:11 PM EDT | Special Weather Statement | CTP | Columbia, Dauphin, Schuylkill | 34 min |
| Apr 27, 11:16 AM EDT | Flash Flood Watch | CTP | Adams, Bedford, Blair, Cambria, Cameron, Centre and 26 more | 23 hr |
| Apr 27, 11:19 AM EDT | River Flood Warning | CTP | Columbia | 3 days |
| Apr 27, 4:42 PM EDT | Special Weather Statement | CTP | Cameron | 48 min |
| Apr 27, 4:49 PM EDT | Special Weather Statement | CTP | Elk, McKean, Warren | 41 min |
| Apr 27, 4:55 PM EDT | Severe Thunderstorm Warning | CTP | Cameron, Clearfield, Elk, McKean, Potter | 50 min |
| Apr 27, 5:19 PM EDT | Severe Thunderstorm Warning | CTP | Elk, McKean, Warren | 26 min |
| Apr 27, 5:43 PM EDT | Special Weather Statement | CTP | Fulton | 47 min |
| Apr 27, 5:43 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 5 more | 62 min |
| Apr 27, 5:52 PM EDT | Severe Thunderstorm Warning | CTP | Cumberland, Franklin, Fulton, Huntingdon, Juniata, Mifflin and 1 more | 53 min |
| Apr 27, 5:57 PM EDT | Tornado Warning | CTP | Franklin, Fulton, Huntingdon | 33 min |
| Apr 27, 5:59 PM EDT | Tornado Warning | CTP | Cameron, Potter | 31 min |
| Apr 27, 6:29 PM EDT | Tornado Warning | CTP | Cumberland, Franklin, Perry | 31 min |
| Apr 27, 6:30 PM EDT | Tornado Warning | CTP | Potter, Tioga | 30 min |
| Apr 27, 6:40 PM EDT | Tornado Warning | CTP | Centre, Clinton, Mifflin, Union | 35 min |
| Apr 27, 6:45 PM EDT | Severe Thunderstorm Warning | CTP | Blair, Cambria, Cameron, Centre, Clearfield, Clinton and 6 more | 60 min |
| Apr 27, 7:07 PM EDT | Areal Flood Advisory | CTP | Cameron, Centre, Clearfield, Clinton, Elk, McKean and 2 more | 3 hr |
| Apr 27, 7:12 PM EDT | Severe Thunderstorm Warning | CTP | Dauphin, Juniata, Northumberland, Perry, Snyder | 63 min |
| Apr 27, 7:48 PM EDT | Severe Thunderstorm Warning | CTP | Centre, Clinton, Columbia, Lycoming, Montour, Northumberland and 5 more | 57 min |
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.