Alert archive / Pennsylvania / Flash Flood Warnings in 2011
Flash Flood Warning 37, NWS State College, PA
NWS State College, PA issued this flash flood warning at Aug 28, 2011, 1:00 PM EDT for Columbia County, Lycoming County, Sullivan County, Pennsylvania. It was in force for 4 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
- Aug 28, 2011, 1:00 PM EDT (17:00 UTC)
- Expired
- Aug 28, 2011, 5:00 PM EDT
- In force
- 4 hr
- Issued by
- NWS State College, PA
- Area
- Storm-based polygon
- Flood severity
- None
Counties Columbia County, PA, Lycoming County, PA, Sullivan County, PA
The radar
The Binghamton radar (KBGM), 101 km from the middle of the area, began a volume at 17:02 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
Buffalo Intl Airport, NY (KBUF), launched 12:00Z, 5.0 hours before the alert went out and 245 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
- 9 J/kg
- Mixed-layer CIN
- -52 J/kg
- Mixed-layer LCL
- 707 m above ground
- 0-6 km bulk shear
- 15 kt
- 0-1 km storm-relative helicity
- -73 m²/s²
- 0-3 km storm-relative helicity
- -49 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
094
WGUS51 KCTP 281700
FFWCTP
PAC037-081-113-282100-
/O.NEW.KCTP.FF.W.0037.110828T1700Z-110828T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
100 PM EDT SUN AUG 28 2011
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTH CENTRAL COLUMBIA COUNTY...
SULLIVAN COUNTY...
NORTHEASTERN LYCOMING COUNTY...
* UNTIL 500 PM EDT...
* AT 1255 PM EDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
CONTINUED WIDESPREAD FLOODING AND ROAD CLOSURES ACROSS THE
COUNTY. THE BRIDGE AT THE INTERSECTION OF ROUTE 220 AND 487 WAS
WASHED OUT AND SEVERAL WATER RESCUES HAVE OCCURRED. SOME
DOWNSTREAM LOCATIONS ALONG LOYALSOCK CREEK COULD SEE FLOODING.
* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO CENTRAL...
FAIRMOUNT SPRINGS...KETTLE CREEK GORGE...LINCOLN FALLS...MUNCY
VALLEY...RICKETTS GLEN STATE PARK...SHUNK...BARBOURS...LOPEZ
BIGGERTOWN...HUGHESVILLE...LAIRDSVILLE...LOYALSOCKVILLE AND
RALSTON AND DUSHORE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT UNDERESTIMATE THE POWER OF FLOOD WATERS. ONLY A FEW INCHES OF
RAPIDLY FLOWING WATER CAN QUICKLY CARRY AWAY YOUR VEHICLE.
&&
LAT...LON 4131 7631 4119 7631 4126 7695 4157 7694
4160 7687 4153 7622
$$
FORECASTER: LAMBERTThe office that day
Everything else NWS State College, PA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 28, 2:37 AM EDT | Areal Flood Warning | CTP | Lancaster, York | 8 hr |
| Aug 28, 9:01 AM EDT | Flash Flood Warning | CTP | Columbia, Lycoming, Sullivan | 4 hr |
| Aug 28, 9:20 AM EDT | Areal Flood Advisory | CTP | Columbia, Dauphin, Lancaster, Lebanon, Lycoming, Montour and 4 more | 3 hr |
| Aug 28, 10:38 AM EDT | Areal Flood Warning | CTP | York | 4 hr |
| Aug 28, 12:39 PM EDT | Areal Flood Warning | CTP | Lancaster | 5 hr |
| Aug 28, 7:04 PM EDT | River Flood Warning | CTP | Lycoming, Sullivan | 3 hr |
| Aug 28, 7:43 PM EDT | River Flood Warning | CTP | Dauphin, Lebanon, Schuylkill | 5 hr |
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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.