Alert archive / Ohio / Flash Flood Warnings in 1997

Flash Flood Warning 124, NWS Charleston, WV

August 17, 1997Perry County, Ohio

NWS Charleston, WV issued this flash flood warning at Aug 17, 1997, 12:57 AM EDT for Perry County, Ohio. It was in force for 2 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
Aug 17, 1997, 12:57 AM EDT (04:57 UTC)
Expired
Aug 17, 1997, 3:00 AM EDT
In force
2 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Perry County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 5.0 hours before the alert went out and 138 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, Cncnati-Daytn, OH at 00:00Z on 1997-08-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 3666 joules per kilogram.LCLEL10008507005003002001001 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, Cncnati-Daytn, OH at 00:00Z on 1997-08-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 151 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
3666 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
966 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
151 m²/s²
0-3 km storm-relative helicity
243 m²/s²
Significant tornado parameter
2.5
Supercell composite
14.2

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 170503 RRA
FFWCRW
OHC127-170700-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1257 AM EDT SUN AUG 17 1997
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  300 AM EDT
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST OHIO
 
   ...SOUTHERN PERRY COUNTY
 
THE DOPPLER RADAR IN CHARLESTON INDICATED OVER AN INCH OF RAIN HAS FALLEIN SOUTHER PERRY COUNTY DURING THE HOUR. THIS AMOUNT OF RAINFALL COULD
CAUSE PONDING OF WATER ON ROADWAYS AND LOCAL FLOODING IN THE AREA.

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Aug 17, 12:32 PM EDTSevere Thunderstorm WarningRLXJackson58 min
Aug 17, 12:46 PM EDTSevere Thunderstorm WarningRLXVinton59 min
Aug 17, 1:05 PM EDTSevere Thunderstorm WarningRLXGallia, Meigs55 min
Aug 17, 1:30 PM EDTSevere Thunderstorm WarningRLXJackson15 min
Aug 17, 1:48 PM EDTSevere Thunderstorm WarningRLXAthens, Washington57 min
Aug 17, 2:16 PM EDTSevere Thunderstorm WarningRLXGallia44 min
Aug 17, 2:41 PM EDTSevere Thunderstorm WarningRLXLawrence49 min
Aug 17, 4:06 PM EDTSevere Thunderstorm WarningRLXGallia, Jackson, Meigs, Vinton54 min
Aug 17, 4:17 PM EDTSevere Thunderstorm WarningRLXLawrence43 min
Aug 17, 4:50 PM EDTSevere Thunderstorm WarningRLXLawrence55 min
Aug 17, 4:50 PM EDTSevere Thunderstorm WarningRLXAthens55 min

Nearby

Flash Flood Warnings in Ohio, 1997Every flash flood warning in 1997

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.