Alert archive / West Virginia / Flash Flood Warnings in 1990

Flash Flood Warning 61, NWS Pittsburgh, PA

July 14, 1990Brooke County, Hancock County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jul 14, 1990, 11:13 PM EDT for Brooke County, Hancock County, West Virginia. It was in force for 5 hr.

The area

The counties it named.

The facts

Issued
Jul 14, 1990, 11:13 PM EDT (03:13 UTC)
Expired
Jul 15, 1990, 4:15 AM EDT
In force
5 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Brooke County, WV, Hancock County, WV

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 00:00Z, 3.2 hours before the alert went out and 40 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 1990-07-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 196 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 1990-07-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 123 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
196 J/kg
Mixed-layer CIN
-12 J/kg
Mixed-layer LCL
784 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
123 m²/s²
0-3 km storm-relative helicity
187 m²/s²
Significant tornado parameter
0.1
Supercell composite
0.9

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 14, 11:13 PM EDTFlash Flood WarningPBZMarshall5 hr
Jul 14, 11:13 PM EDTFlash Flood WarningPBZOhio5 hr
Jul 15, 2:45 AM EDTFlash Flood WarningPBZHancock5 hr
Jul 15, 2:45 AM EDTFlash Flood WarningPBZMarshall, Ohio5 hr
Jul 15, 2:45 AM EDTFlash Flood WarningPBZBrooke5 hr
Jul 15, 7:08 AM EDTFlash Flood WarningPBZBrooke, Hancock3 hr
Jul 15, 12:15 PM EDTFlash Flood WarningPBZBrooke, Ohio3 hr
Jul 15, 12:15 PM EDTFlash Flood WarningPBZHancock3 hr

Nearby

Flash Flood Warnings in West Virginia, 1990Every flash flood warning in 1990

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.