Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 42, NWS Charleston, WV

June 13, 1998Vinton County, Ohio

NWS Charleston, WV issued this flash flood warning at Jun 13, 1998, 12:00 AM EDT for Vinton County, Ohio. It was in force for 3 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
Jun 13, 1998, 12:00 AM EDT (04:00 UTC)
Expired
Jun 13, 1998, 3:00 AM EDT
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Vinton County, OH

The radar

The Cincinnati radar (KILN), 116 km from the middle of the area, began a volume at 04:04 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

Cncnati-Daytn, OH (KILN), launched 00:00Z, 4.0 hours before the alert went out and 115 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 1998-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2064 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 1998-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 211 square meters per square second.1939587897Sfc1 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
2064 J/kg
Mixed-layer CIN
-4 J/kg
Mixed-layer LCL
1235 m above ground
0-6 km bulk shear
46 kt
0-1 km storm-relative helicity
211 m²/s²
0-3 km storm-relative helicity
238 m²/s²
Significant tornado parameter
2.2
Supercell composite
17.7

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCRW 130400
FFWCRW
OHC163-130700-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1200 AM EDT SAT JUN 13 1998

THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  VINTON COUNTY IN SOUTHEASTERN OHIO.

* UNTIL 300 AM EDT.

* AT 1155 PM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  THUNDERSTORM WITH VERY HEAVY RAIN LINE OF STORMS OVER VINTON
COUNTY.
  ..MOVING EAST AT 35 MPH.

* ESTIMATED RAINFALL AMOUNTS HAVE EXCEEDED FLASH FLOOD GUIDANCE
  VALUES.
  THIS WILL CAUSE FLOODING OF SMALL STREAMS AND CREEKS.

<<<CALL TO ACTION>>>DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE
ROAD!   ESPECIALLY AT NIGHT WHEN VISIBILITIES ARE POOR.

PLEASE REPORT ANY HIGH WATER OR FLOODING BY CALLING TOLL FREE AT
877-633-6772.

.END/SIKORA

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 12, 11:21 PM EDTSevere Thunderstorm WarningRLXAthens, Vinton64 min
Jun 12, 11:49 PM EDTSevere Thunderstorm WarningRLXMeigs61 min

Nearby

Flash Flood Warnings in Ohio, 1998Every flash flood warning in 1998

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.