Alert archive / Pennsylvania / Flash Flood Warnings in 2000

Flash Flood Warning 19, NWS Cleveland, OH

July 31, 2000Crawford County, Pennsylvania

NWS Cleveland, OH issued this flash flood warning at Jul 31, 2000, 9:17 PM EDT for Crawford County, Pennsylvania. It was in force for 118 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Jul 31, 2000, 9:17 PM EDT (01:17 UTC)
Expired
Jul 31, 2000, 11:15 PM EDT
In force
118 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Crawford County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 1.3 hours before the alert went out and 142 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 2000-08-01Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 529 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 00:00Z on 2000-08-01The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 44 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
529 J/kg
Mixed-layer CIN
-18 J/kg
Mixed-layer LCL
1033 m above ground
0-6 km bulk shear
30 kt
0-1 km storm-relative helicity
44 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.1
Supercell composite
1.5

Open this sounding in Storm Lab

The text

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

000 
WGUS51 KCLE 010118
FFWCLE
PAC039-010315-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
917 PM EDT MON JUL 31 2000

THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CRAWFORD COUNTY IN PENNSYLVANIA...

* UNTIL 1115 PM EDT

* AT 914 PM EDT WEATHER SERVICE RADAR INDICATED THUNDERSTORMS WITH 
HEAVY RAIN MAINLY OVER THE CENTRAL PORTION OF CRAWFORD COUNTY. SOME 
OF THESE LOCATIONS HAVE RECEIVED HEAVY RAIN TODAY AND OVER THE 
WEEKEND. THIS ADDITIONAL RAINFALL WILL CAUSE MORE FLOODING OF ROADS 
AND STREETS.

* SOME LOCATIONS AFFECTED INCLUDE...
  SAEGERTOWN
  MEADVILLE
  CAMBRIDGE SPRINGS

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.

$$
KIELTYKA

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 8:33 PM EDTFlash Flood WarningCLEErie3 hr

Nearby

Flash Flood Warnings in Pennsylvania, 2000Every flash flood warning in 2000

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.