Alert archive / Ohio / Flash Flood Warnings in 1994

Flash Flood Warning 13, NWS Wilmington, OH

January 28, 1994Clark County, Greene County, Ohio

NWS Wilmington, OH issued this flash flood warning at Jan 28, 1994, 4:47 AM EST for Clark County, Greene County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued: Jan 28, 1994, 4:47 AM EST (09:47 UTC)
Expired: Jan 28, 1994, 8:45 AM EST
In force: 4 hr
Issued by: NWS Wilmington, OH
Area: Whole counties

Counties Clark County, OH, Greene County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 00:00Z, 9.8 hours before the alert went out and 33 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 488 m above ground
0-6 km bulk shear: 43 kt
0-1 km storm-relative helicity: 384 m²/s²
0-3 km storm-relative helicity: 442 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 KDAY 280953 COR
FFWDAY
OHC003-011-021-023-037-057-065-091-107-109-113-135-149-161-281345-

FLOOD WARNING
NATIONAL WEATHER SERVICE DAYTON OH
447 AM EST FRI JAN 28 1994

THE NATIONAL WEATHER SERVICE IN DAYTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  845 AM EST
FOR PEOPLE IN THE FOLLOWING LOCATIONS...S...

IN WEST CENTRAL OHIO

   ...ALLEN COUNTY...AUGLAIZE COUNTY...CHAMPAIGN COUNTY
   ...CLARK COUNTY...DARKE COUNTY...GREENE COUNTY...HARDIN COUNTY
   ...LOGAN COUNTY...MERCER COUNTY...MIAMI COUNTY...MONTGOMERY COUNTY
   ...PREBLE COUNTY...SHELBY COUNTY...VAN WERT COUNTY

SMALL STREAM FLOODING IS LIKELY THIS MORNING IN BOTH WEST CENTRAL OHIO
AND THE MIAMI VALLEY.
PEOPLE LIVING NEAR SMALL STREAMS SHOULD LISTEN FOR THE LATEST WEATHER
INFORMATION AND BE PREPARED TO MOVE TO SAFETY IF FLOODING IS OBSERVED.

COUNTY SHERIFF OFFICIALS HAVE REPORTED HIGH WATER ON NUMEROUS ROADS WITH
SOME ROADS BEING CLOSED ACROSS WESTERN OHIO. THE ROADWAYS THAT WERE
BEING AFFECTED WERE THE USUAL FLOOD PRONE AREAS. SOME COUNTIES HAVE RUN
OUT OF HIGH WATER SIGNS OR HAVE NOT BEEN ABLE TO INSPECT ALL ROADWAYS.
MOTORISTS ARE URGED TO BE WATCHFULL FOR UNMARKED FLOODING AREAS.

RAINS THIS PAST WEEK...SNOW ON THE GROUND AND FROZEN GROUND WAS
COMBINING TO BRING FLOOD PROBLEMS TO WESTERN OHIO. THE RAINS CURRENTLY
ACROSS WESTERN OHIO WILL END BETWEEN 8 AND 9 THIS MORNING AS A COLD
FRONT MOVES THRU.

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.  DO
NOT STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

$$
TIPTON
...CORRECTED TO TAKE OUT EBS ACTIVATION...

The office that day

Everything else NWS Wilmington, OH issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jan 28, 4:00 AM EST	Flash Flood Warning	ILN	Brown, Clermont, Clinton	4 hr
Jan 28, 4:00 AM EST	Flash Flood Warning	ILN	Hamilton	4 hr
Jan 28, 4:00 AM EST	Flash Flood Warning	ILN	Butler, Warren	4 hr
Jan 28, 4:46 AM EST	Flash Flood Warning	ILN	Highland	3 hr
Jan 28, 4:47 AM EST	Flash Flood Warning	ILN	Allen, Auglaize, Darke, Hardin, Logan, Mercer and 2 more	4 hr
Jan 28, 4:47 AM EST	Flash Flood Warning	ILN	Montgomery, Preble	4 hr
Jan 28, 4:47 AM EST	Flash Flood Warning	ILN	Champaign, Miami	4 hr

Nearby

Flash Flood Warnings in Ohio, 1994 Every flash flood warning in 1994

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.