Alert archive / Pennsylvania / Flash Flood Warnings in 1992

Flash Flood Warning 23, NWS Pittsburgh, PA

July 26, 1992Greene County, Pennsylvania

NWS Pittsburgh, PA issued this flash flood warning at Jul 26, 1992, 6:33 PM EDT for Greene County, Pennsylvania. It was in force for 117 min.

The area

The counties it named.

The facts

Issued
Jul 26, 1992, 6:33 PM EDT (22:33 UTC)
Expired
Jul 26, 1992, 8:30 PM EDT
In force
117 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Greene County, PA

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.6 hours before the alert went out and 63 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 1992-07-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 184 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 1992-07-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 177 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
184 J/kg
Mixed-layer CIN
-22 J/kg
Mixed-layer LCL
588 m above ground
0-6 km bulk shear
35 kt
0-1 km storm-relative helicity
177 m²/s²
0-3 km storm-relative helicity
208 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

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 26, 5:58 PM EDTFlash Flood WarningPBZAllegheny, Westmoreland2 hr
Jul 26, 6:33 PM EDTFlash Flood WarningPBZOhio117 min

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.