Alert archive / Pennsylvania / Flash Flood Warnings in 1992

Flash Flood Warning 84, NWS Cleveland, OH

September 22, 1992Elk County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Sep 22, 1992, 11:44 AM EDT for Elk County, Pennsylvania. It was in force for 2 hr.

The area

The counties it named.

The facts

Issued
Sep 22, 1992, 11:44 AM EDT (15:44 UTC)
Expired
Sep 22, 1992, 1:45 PM EDT
In force
2 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Elk County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 3.7 hours before the alert went out and 166 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 12:00Z on 1992-09-22Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 111 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, Pittsburgh, PA at 12:00Z on 1992-09-22The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 75 square meters per square second.19395878Sfc1 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
111 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
580 m above ground
0-6 km bulk shear
45 kt
0-1 km storm-relative helicity
75 m²/s²
0-3 km storm-relative helicity
136 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KERI 221550
FFWERI
PAC047-221745-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ERIE PA
1144 AM EDT TUE SEP 22 1992
 
THE NATIONAL WEATHER SERVICE IN ERIE HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  145 PM EDT
FOR THE FOLLOWING LOCATION...
 
IN NORTHWEST PENNSYLVANIA
 
   ...ELK COUNTY
 
SKYWARN OBSERVER AT WILCOX IN ELK COUNTY REPORTED ROAD FLOODING
AT 1140 AM EDT IN AND AROUND WILCOX PENNSYLVANIA.
 
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.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS 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...EVEN A SMALL
ONE...ON FOOT.  TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 21, 8:10 PM EDTFlash Flood WarningCLECrawford, Venango, Warren4 hr
Sep 21, 8:10 PM EDTFlash Flood WarningCLEErie4 hr
Sep 22, 2:15 AM EDTFlash Flood WarningCLEElk, Forest, McKean3 hr

Nearby

Flash Flood Warnings in Pennsylvania, 1992Every flash flood warning in 1992

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.