Alert archive / Pennsylvania / Flash Flood Warnings in 1997

Flash Flood Warning 9, NWS State College, PA

June 2, 1997Somerset County, Pennsylvania

NWS State College, PA issued this flash flood warning at Jun 2, 1997, 4:14 AM EDT for Somerset County, Pennsylvania. It was in force for 5 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jun 2, 1997, 4:14 AM EDT (08:14 UTC)
Expired
Jun 2, 1997, 9:15 AM EDT
In force
5 hr
Issued by
NWS State College, PA
Area
Whole counties

County Somerset County, PA

The radar

The Pittsburgh radar (KPBZ), 119 km from the middle of the area, began a volume at 08:17 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

Pittsburgh, PA (KPIT), launched 00:00Z, 8.2 hours before the alert went out and 103 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, Pittsburgh, PA at 00:00Z on 1997-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 267 joules per kilogram.LCLEL10008507005003002001001 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, Pittsburgh, PA at 00:00Z on 1997-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 77 square meters per square second.193958Sfc1 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
267 J/kg
Mixed-layer CIN
0 J/kg
Mixed-layer LCL
693 m above ground
0-6 km bulk shear
24 kt
0-1 km storm-relative helicity
77 m²/s²
0-3 km storm-relative helicity
93 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.

000 
TTAA00 KCTP 020816
FFWCTP
PAC009-013-021-111-021315-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE STATE COLLEGE PA
414 AM EDT MON JUN 2 1997
 
THE NATIONAL WEATHER SERVICE IN STATE COLLEGE HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  915 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...
 
IN  PENNSYLVANIA
 
   ...WESTERN BEDFORD COUNTY...WESTERN BLAIR COUNTY
   ...CAMBRIA COUNTY...SOMERSET COUNTY
 
BANDS OF RAIN...SOME HEAVY...WILL CONTINUE ACROSS THE REGION INTO MID
MORNING. INDICATIONS ARE THAT OVER 2 INCHES OF RAIN HAS FALLEN ACROSS
THE REGION.  THIS AREA RECEIVED HEAVY RAIN LAST WEEKEND.
 
POOR DRAINAGE AND BASEMENT FLOODING IS LIKELY.  IN ADDITION...SMALL
STREAMS MAY OVERFLOW THEIR BANKS...ESPECIALLY ACROSS SOUTHERN CAMBRIA
AND SOMERSET COUNTIES.
 
MOST DEATHS IN FLOODING OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS
THE ROADWAY.  NEVER TRY TO CROSS A FLOWING STREAM...EVEN A
SMALL ONE...ON FOOT.
 
MARTIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 2, 4:14 AM EDTFlash Flood WarningCTPBedford, Blair, Cambria5 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1997Every flash flood warning in 1997

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.