Alert archive / Ohio / Flash Flood Warnings in 1998

Flash Flood Warning 12, NWS Charleston, WV

January 9, 19985 counties in Ohio; Wood County, West Virginia

NWS Charleston, WV issued this flash flood warning at Jan 9, 1998, 12:22 AM EST for 5 counties in Ohio; Wood County, West Virginia. 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
Jan 9, 1998, 12:22 AM EST (05:22 UTC)
Expired
Jan 9, 1998, 4:30 AM EST
In force
4 hr
Issued by
NWS Charleston, WV
Area
Whole counties

Counties Athens County, OH, Meigs County, OH, Morgan County, OH, Perry County, OH, Washington County, OH, Wood County, WV

The radar

The Charleston,WV radar (KRLX), 122 km from the middle of the area, began a volume at 05:23 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, 5.4 hours before the alert went out and 167 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 1998-01-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 1998-01-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -16 square meters per square second.1939587897117Sfc1 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
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
672 m above ground
0-6 km bulk shear
37 kt
0-1 km storm-relative helicity
-16 m²/s²
0-3 km storm-relative helicity
18 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 090527
FFWCRW
OHC009-105-115-127-167-WVC107-090900-
 
BULLETIN - EAS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE CHARLESTON WV
1222 AM EST FRI JAN 9 1998
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A
FLOOD WARNING FOR SMALL STREAMS EFFECTIVE UNTIL  430 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATION...S...
 
IN SOUTHEAST OHIO
 
   ...ATHENS COUNTY...MEIGS COUNTY...MORGAN COUNTY...PERRY COUNTY
   ...WASHINGTON COUNTY
 
 
IN NORTHWEST WEST VIRGINIA
 
   ...WOOD COUNTY
 
SHOWERS AND THUNDERSTORMS WILL PUSH NORTH THROUGH THIS AREA THE NEXT 1
TO 2 HOURS. THE GROUND IS NEAR SATURATION AND HEAVY RAIN WILL RUN OFF
RAPIDLY. STREAMS ARE ALREADY RUNNING WELL ABOVE NORMAL AND WILL
OVEFLOW QUICKLY DURING AND SHORTLY AFTER HEAVY RAIN.
 
RAINFALL OF ONE HALF INCH IN AN HOUR OF LESS WILL BEGIN FLOODING.
 
<< CALL TO ACTION >> BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS
HARDER TO RECOGNIZE THE DANGERS OF FLOODS. IF FLOODING IS OBSERxVED...
ACT QUICKLY.  MOVE TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.
 
ZINN

The office that day

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

IssuedProductOfficeCountiesLasted
Jan 8, 9:50 PM ESTSevere Thunderstorm WarningRLXLawrence40 min
Jan 8, 10:27 PM ESTSevere Thunderstorm WarningRLXGallia48 min
Jan 8, 11:14 PM ESTSevere Thunderstorm WarningRLXMeigs31 min
Jan 9, 12:06 AM ESTSevere Thunderstorm WarningRLXWashington54 min
Jan 8, 10:51 PM ESTSevere Thunderstorm WarningRLXPutnam54 min
Jan 8, 10:57 PM ESTSevere Thunderstorm WarningRLXJackson48 min
Jan 8, 11:22 PM ESTSevere Thunderstorm WarningRLXWood53 min
Jan 8, 11:56 PM ESTTornado WarningRLXWood19 min
Jan 9, 1:41 AM ESTSevere Thunderstorm WarningRLXNicholas34 min

Nearby

Flash Flood Warnings in Ohio, 1998Flash Flood Warnings in West Virginia, 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.