Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 280, NWS Pittsburgh, PA

December 12, 1996Columbiana County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Dec 12, 1996, 1:56 PM EST for Columbiana County, Ohio. It was in force for 4 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Dec 12, 1996, 1:56 PM EST (18:56 UTC)
Expired
Dec 12, 1996, 6:00 PM EST
In force
4 hr
Issued by
NWS Pittsburgh, PA
Area
Whole counties

County Columbiana County, OH

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 6.9 hours before the alert went out and 70 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 1996-12-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 82 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 1996-12-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
82 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
536 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
159 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
Dec 11, 7:10 PM ESTFlash Flood WarningPBZLawrence3 hr
Dec 12, 9:15 AM ESTFlash Flood WarningPBZBeaver, Butler5 hr
Dec 12, 10:34 AM ESTFlash Flood WarningPBZLawrence, Mercer3 hr
Dec 12, 2:16 PM ESTFlash Flood WarningPBZBeaver, Butler4 hr
Dec 11, 9:35 PM ESTFlash Flood WarningPBZColumbiana2 hr
Dec 11, 11:59 PM ESTFlash Flood WarningPBZColumbiana4 hr

Nearby

Flash Flood Warnings in Ohio, 1996Every flash flood warning in 1996

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.