Alert archive / West Virginia / Flash Flood Warnings in 1989

Flash Flood Warning 16, NWS Pittsburgh, PA

June 21, 1989Brooke County, Hancock County, West Virginia

NWS Pittsburgh, PA issued this flash flood warning at Jun 21, 1989, 6:03 AM EDT for Brooke County, Hancock County, West Virginia. It was in force for 3 hr.

The area

The counties it named.

The facts

Issued
Jun 21, 1989, 6:03 AM EDT (10:03 UTC)
Expired
Jun 21, 1989, 9:00 AM EDT
In force
3 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, 10.1 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 1989-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 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 1989-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 40 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
2 J/kg
Mixed-layer CIN
-100 J/kg
Mixed-layer LCL
712 m above ground
0-6 km bulk shear
27 kt
0-1 km storm-relative helicity
40 m²/s²
0-3 km storm-relative helicity
89 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

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
Jun 20, 8:45 PM EDTFlash Flood WarningPBZBedford, Blair3 hr
Jun 20, 10:35 PM EDTFlash Flood WarningPBZJefferson5 hr
Jun 20, 11:20 PM EDTFlash Flood WarningPBZBedford, Somerset5 hr
Jun 20, 11:20 PM EDTFlash Flood WarningPBZBlair5 hr
Jun 21, 6:03 AM EDTFlash Flood WarningPBZAllegheny, Beaver, Butler3 hr
Jun 21, 9:08 AM EDTFlash Flood WarningPBZBrooke4 hr

Nearby

Flash Flood Warnings in West Virginia, 1989Every flash flood warning in 1989

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.