Alert archive / Pennsylvania / Flash Flood Warnings in 2012
Flash Flood Warning 5, NWS State College, PA
NWS State College, PA issued this flash flood warning at May 27, 2012, 9:09 PM EDT for Columbia County, Montour County, Northumberland 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 27, 2012, 9:09 PM EDT (01:09 UTC)
- Expired
- May 28, 2012, 12:15 AM EDT
- In force
- 3 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Columbia County, PA, Montour County, PA, Northumberland County, PA
The radar
The State College radar (KCCX), 129 km from the middle of the area, began a volume at 01:11 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, 1.2 hours before the alert went out and 226 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
- 319 J/kg
- Mixed-layer CIN
- -81 J/kg
- Mixed-layer LCL
- 1455 m above ground
- 0-6 km bulk shear
- 10 kt
- 0-1 km storm-relative helicity
- -16 m²/s²
- 0-3 km storm-relative helicity
- 72 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
486
WGUS51 KCTP 280109
FFWCTP
PAC037-093-097-280415-
/O.NEW.KCTP.FF.W.0005.120528T0109Z-120528T0415Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
909 PM EDT SUN MAY 27 2012
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTH CENTRAL COLUMBIA COUNTY...
SOUTHEASTERN MONTOUR COUNTY...
EAST CENTRAL NORTHUMBERLAND COUNTY...
* UNTIL 1215 AM EDT...
* AT 906 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED FLASH
FLOODING FROM A THUNDERSTORM OVER EAST CENTRAL NORTHUMBERLAND...
SOUTH CENTRAL COLUMBIA AND SOUTHEASTERN MONTOUR COUNTIES.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO DANVILLE...
KULPMONT... AND MOUNT CARMEL.
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 4080 7631 4078 7635 4077 7656 4087 7657
4091 7678 4098 7670 4098 7633 4080 7630
$$
FORECASTER: CR/KFThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 27, 8:23 PM EDT | Areal Flood Advisory | CTP | Columbia, Montour, Northumberland, Schuylkill | 112 min |
| May 27, 9:30 PM EDT | Special Weather Statement | CTP | Bedford | 60 min |
| May 27, 9:38 PM EDT | Areal Flood Advisory | CTP | Cambria | 3 hr |
| May 27, 9:56 PM EDT | Flash Flood Watch | CTP | Bedford, Blair, Cambria, Franklin, Fulton, Somerset | 117 min |
| May 27, 10:11 PM EDT | Flash Flood Warning | CTP | Bedford, Cambria, Somerset | 2 hr |
| May 27, 10:30 PM EDT | Special Weather Statement | CTP | Somerset | 45 min |
| May 27, 11:14 PM EDT | Special Weather Statement | CTP | Somerset | 46 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.