Alert archive / Ohio / Flash Flood Warnings in 1996

Flash Flood Warning 252, NWS Pittsburgh, PA

August 15, 1996Coshocton County, Harrison County, Tuscarawas County, Ohio

NWS Pittsburgh, PA issued this flash flood warning at Aug 15, 1996, 6:18 PM EDT for Coshocton County, Harrison County, Tuscarawas County, Ohio. It was in force for 117 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
Aug 15, 1996, 6:18 PM EDT (22:18 UTC)
Expired
Aug 15, 1996, 8:15 PM EDT
In force
117 min
Issued by
NWS Pittsburgh, PA
Area
Whole counties

Counties Coshocton County, OH, Harrison County, OH, Tuscarawas County, OH

The radar

The Pittsburgh radar (KPBZ), 110 km from the middle of the area, began a volume at 22:21 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Pittsburgh, PA (KPIT), launched 12:00Z, 10.3 hours before the alert went out and 118 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 1996-08-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 574 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1996-08-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 81 square meters per square second.1939Sfc1 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
574 J/kg
Mixed-layer CIN
-51 J/kg
Mixed-layer LCL
1073 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
81 m²/s²
0-3 km storm-relative helicity
74 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KPIT 152223
FFWPIT
OHC031-067-157-PAC121-160015-
 
BULLETIN - EBS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE PITTSBURGH PA
618 PM EDT THU AUG 15 1996
 
THE NATIONAL WEATHER SERVICE IN PITTSBURGH HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  815 PM EDT
FOR THE FOLLOWING LOCATIONS...
 
IN EAST CENTRAL OHIO
 
   ...COSHOCTON COUNTY...HARRISON COUNTY...TUSCARAWAS COUNTY
 
 
IN NORTHWEST PENNSYLVANIA
 
   ...VENANGO COUNTY
 
AT 615 PM WEATHER RADAR SHOWED NUMEROUS AREAS ACROSS THESE COUNTIES HAVE
GOTTEN OVER 2 INCHES OF RAIN SINCE LATE AFTERNOON...WITH THUNDERSTORMS
CONTINUING TO CAUSE TORRENTIAL DOWNPOURS OVER SOME OF THESE AREAS.
 
THE WORST HIT AREAS IN OHIO WERE NORTHERN AND CENTRAL COSHOCTON
COUNTY...CENTRAL TUSCARAWAS COUNTY...AND NORTHERN AND CENTRAL HARRISON
COUNTY.
 
THE NORTHERN PART OF VENANGO COUNTY HAS GOTTEN THE MOST RAIN AS OF 615
PM...BUT THE SOUTHERN PART WILL BE GETTING HARD HIT ALSO.
 
A FLASH FLOOD WARNING MEANS THAT FLOODING IS OCCURRING OR IS
IMMINENT.  MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES.  DO NOT
ATTEMPT TO CROSS BRIDGES OR LOW SPOTS IF WATER COVERS THE ROAD.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING WATER MOVE UP TO HIGHER GROUND.

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 15, 4:13 PM EDTSevere Thunderstorm WarningPBZBelmont, Guernsey, Monroe, Noble47 min
Aug 15, 4:34 PM EDTSevere Thunderstorm WarningPBZHarrison56 min
Aug 15, 4:34 PM EDTSevere Thunderstorm WarningPBZCoshocton56 min
Aug 15, 4:49 PM EDTSevere Thunderstorm WarningPBZTuscarawas41 min
Aug 15, 4:49 PM EDTSevere Thunderstorm WarningPBZColumbiana41 min
Aug 15, 4:59 PM EDTSevere Thunderstorm WarningPBZBelmont, Jefferson46 min
Aug 15, 5:26 PM EDTSevere Thunderstorm WarningPBZCoshocton, Tuscarawas64 min
Aug 15, 5:34 PM EDTSevere Thunderstorm WarningPBZJefferson56 min
Aug 15, 5:34 PM EDTSevere Thunderstorm WarningPBZBelmont, Harrison56 min
Aug 15, 5:34 PM EDTSevere Thunderstorm WarningPBZColumbiana56 min
Aug 15, 6:01 PM EDTSevere Thunderstorm WarningPBZCarroll29 min
Aug 15, 6:30 PM EDTSevere Thunderstorm WarningPBZGuernsey60 min
Aug 15, 6:30 PM EDTSevere Thunderstorm WarningPBZJefferson60 min

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; radar from the NEXRAD Level II archive.