Alert archive / Pennsylvania / Flash Flood Warnings in 2012

Flash Flood Warning 2, NWS State College, PA

May 26, 2012Schuylkill County, Pennsylvania

NWS State College, PA issued this flash flood warning at May 26, 2012, 3:57 PM EDT for Schuylkill County, Pennsylvania. It was in force for 3 hr. 2 reports 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
May 26, 2012, 3:57 PM EDT (19:57 UTC)
Expired
May 26, 2012, 7:00 PM EDT
In force
3 hr
Issued by
NWS State College, PA
Area
Storm-based polygon
Flood severity
None

County Schuylkill County, PA

The radar

The Binghamton radar (KBGM), 157 km from the middle of the area, began a volume at 20:00 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

TimeReportWhereRemark
May 26, 4:15 PM EDTFLASH FLOODMcadoo, PA31 HOMES AFFECTED BY FLOODING. RAILROAD CROSSING WASHED OUT. ONE WATER RESCUE.
May 26, 4:15 PM EDTFLASH FLOODTuscarora, PAWIDESPREAD STREET FLOODING REPORTED IN SCHUYLKILL TWP.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Washington/Dulle, VA (KIAD), launched 12:00Z, 8.0 hours before the alert went out and 239 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.

Skew-T log-pSkew-T log-p diagram, Washington/Dulle, VA at 12:00Z on 2012-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 225 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Washington/Dulle, VA at 12:00Z on 2012-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 74 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
225 J/kg
Mixed-layer CIN
-140 J/kg
Mixed-layer LCL
809 m above ground
0-6 km bulk shear
16 kt
0-1 km storm-relative helicity
74 m²/s²
0-3 km storm-relative helicity
75 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

279 
WGUS51 KCTP 261957
FFWCTP
PAC107-262300-
/O.NEW.KCTP.FF.W.0002.120526T1957Z-120526T2300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
357 PM EDT SAT MAY 26 2012

THE NATIONAL WEATHER SERVICE IN STATE COLLEGE PA HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  NORTHEASTERN SCHUYLKILL COUNTY...

* UNTIL 700 PM EDT...

* AT 352 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  VERY HEAVY RAIN FROM THUNDERSTORMS OVER NORTHEASTERN SCHUYLKILL   
  COUNTY. DOPPLER RADAR ESTIMATED THAT BETWEEN 2 AND 3 INCHES OF 
  RAIN HAS FALLEN JUST TO THE EAST OF COALDALE AND TAMAQUA OVER THE 
  PAST HOUR. THIS RAIN HAS FALLEN IN THE WATERSHED AREA OF 
  THE LITTLE SCHUYLKILL RIVER.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO COALDALE...
  HOMETOWN...LOCUST LAKE STATE PARK...MAHANOY CITY...MCADOO...
  SHEPPTON...SNYDERS...TAMAQUA AND TUSCARORA.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE LIKELY IN THE 
WARNED AREA OVER THE NEXT 30 TO 60 MINUTES ED AREA.

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. CAMPERS AND HIKERS SHOULD 
AVOID STREAMS OR CREEKS. 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 4073 7575 4068 7585 4065 7594 4066 7596
      4077 7615 4093 7616 4093 7611 4091 7605
      4091 7599 4081 7588 4075 7577

$$

FORECASTER: LAMBERT/ROSS/EVANEGO

The office that day

Everything else NWS State College, PA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 26, 1:16 PM EDTSpecial Weather StatementCTPClearfield29 min
May 26, 1:41 PM EDTSpecial Weather StatementCTPCentre34 min
May 26, 1:46 PM EDTSpecial Weather StatementCTPClearfield29 min
May 26, 2:11 PM EDTSpecial Weather StatementCTPNorthumberland, Snyder, Union49 min
May 26, 2:17 PM EDTSevere Thunderstorm WarningCTPCentre58 min
May 26, 2:34 PM EDTSpecial Weather StatementCTPClearfield56 min
May 26, 2:35 PM EDTSpecial Weather StatementCTPClearfield55 min
May 26, 2:35 PM EDTSevere Thunderstorm WarningCTPJuniata, Snyder, Union55 min
May 26, 2:43 PM EDTSpecial Weather StatementCTPBedford62 min
May 26, 2:53 PM EDTSpecial Weather StatementCTPSchuylkill52 min
May 26, 3:26 PM EDTAreal Flood AdvisoryCTPJuniata, Snyder, Union3 hr
May 26, 3:26 PM EDTAreal Flood AdvisoryCTPBedford, Somerset2 hr
May 26, 3:37 PM EDTAreal Flood AdvisoryCTPSchuylkill3 hr
May 26, 3:43 PM EDTSpecial Weather StatementCTPColumbia32 min
May 26, 3:45 PM EDTSevere Thunderstorm WarningCTPSchuylkill60 min
May 26, 3:46 PM EDTAreal Flood AdvisoryCTPBedford, Blair, Huntingdon119 min
May 26, 4:05 PM EDTSpecial Weather StatementCTPBlair55 min
May 26, 4:07 PM EDTSpecial Weather StatementCTPLycoming38 min
May 26, 4:12 PM EDTSpecial Weather StatementCTPHuntingdon63 min
May 26, 4:16 PM EDTAreal Flood AdvisoryCTPJuniata, Perry3 hr
May 26, 4:29 PM EDTSpecial Weather StatementCTPCambria46 min
May 26, 4:45 PM EDTSpecial Weather StatementCTPBlair, Cambria, Huntingdon, Perry60 min
May 26, 4:46 PM EDTSpecial Weather StatementCTPColumbia, Schuylkill74 min
May 26, 5:28 PM EDTSpecial Weather StatementCTPCambria47 min
May 26, 5:35 PM EDTFlash Flood WarningCTPColumbia, Schuylkill85 min
May 26, 5:39 PM EDTAreal Flood AdvisoryCTPBedford, Blair, Cambria111 min
May 26, 6:09 PM EDTSpecial Weather StatementCTPBedford36 min
May 26, 6:44 PM EDTSpecial Weather StatementCTPBedford46 min
May 26, 6:45 PM EDTSpecial Weather StatementCTPLancaster75 min
May 26, 6:51 PM EDTSpecial Weather StatementCTPNorthumberland, Schuylkill54 min
May 26, 7:06 PM EDTSevere Thunderstorm WarningCTPBedford, Fulton39 min
May 26, 7:22 PM EDTSpecial Weather StatementCTPLancaster53 min
May 26, 7:33 PM EDTSevere Thunderstorm WarningCTPLancaster57 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.