Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 23, NWS Charleston, WV

March 21, 1998Gallia County, Ohio

NWS Charleston, WV issued this flash flood warning at Mar 21, 1998, 4:45 AM EST for Gallia 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
Mar 21, 1998, 4:45 AM EST (09:45 UTC)
Expired
Mar 21, 1998, 7:45 AM EST
In force
3 hr
Issued by
NWS Charleston, WV
Area
Whole counties

County Gallia County, OH

The nearest sounding before it

Cncnati-Daytn, OH (KILN), launched 00:00Z, 9.8 hours before the alert went out and 145 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 1998-03-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 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, Cncnati-Daytn, OH at 00:00Z on 1998-03-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -14 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
614 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
-14 m²/s²
0-3 km storm-relative helicity
49 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 KCRW 210947
FFWCRW
OHC053-211245-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
445 AM EST SAT MAR 21 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
FLASH FLOOD WARNING EFFECTIVE UNTIL  745 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION......
 
IN SOUTHEAST OHIO
 
   ...EAST CENTRAL GALLIA COUNTY
 
RAINFALL DURING THE PAST THREE HOURS MAY CAUSE SOME OF THE SMALL STREAMS
AND CREEKS TO OVER FLOW THEIR BANKS WITHIN THE NEXT COUPLE OF HOURS.
LOCAL LAW ENFORECEMENT HAS REPORTED SOME STREAMS AND CREEKS NEAR BANKFUL
IN THE COUNTY. AREAS AROUND CENTENERY...NORTHUP AND SURROUNDING
COMMUNITIES WILL BE MOST EFFECTED.
 
 
<< CALL TO ACTION >> BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS
HARDER TO RECOGNIZE THE DANGERS OF FLOODS AND FLASH FLOODS. IF FLASH
FLOODING IS OBSERVED...ACT QUICKLY.  MOVE UP TO ESCAPE FLOOD WATERS.
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
 
WHITEHEAD/GRAF

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.