Alert archive / Ohio / Flash Flood Warnings in 1993

Flash Flood Warning 3, NWS Wilmington, OH

April 25, 1993Preble County, Ohio

NWS Wilmington, OH issued this flash flood warning at Apr 25, 1993, 3:17 PM EDT for Preble County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Apr 25, 1993, 3:17 PM EDT (19:17 UTC)
Expired
Apr 25, 1993, 7:15 PM EDT
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

County Preble County, OH

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.3 hours before the alert went out and 42 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, Dayton/James M C, OH at 12:00Z on 1993-04-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Dayton/James M C, OH at 12:00Z on 1993-04-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 442 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
858 m above ground
0-6 km bulk shear
66 kt
0-1 km storm-relative helicity
442 m²/s²
0-3 km storm-relative helicity
427 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KDAY 251928 COR
FFWDAY
OHC135-252315-

FLOOD WARNING
NATIONAL WEATHER SERVICE DAYTON OH
317 PM EDT SUN APR 25 1993

THE NATIONAL WEATHER SERVICE IN DAYTON HAS ISSUED A
FLOOD WARNING EFFECTIVE UNTIL  715 PM EDT
FOR PEOPLE IN THE FOLLOWING LOCATIONS......

IN WEST CENTRAL OHIO

   ...PREBLE COUNTY

SMALL STREAM FLOODING IS LIKELY LATE THIS AFTERNOON AND EVENING IN
PREBLE COUNTY INCLUDING THE CITY OF EATON.

PEOPLE LIVING NEAR SMALL STREAMS SHOULD LISTEN FOR THE LATEST WEATHER
INFOMATION AND BE PREPARED TO MOVE TO SAFETY IF FLOODING IS OBSERVED.
HEAVY RAINS HAD BEEN FALLING OVER MOST OF THE MIAMI VALLEY SINCE 11 AM
EDT. THE HEAVIEST AND MOST PERSISTENT RAINS HAD FALLEN OVER PREBLE COUNT
ESPECIALLY THE CITY OF EATON AND SOUTHWARD.

WATER WAS PONDING IN FIELDS AND ROADWAYS WITH A FEW ROADS IMPASSIBLE
DUE TO HIGH WATER AS REPORTED BY THE PREBLE COUNTY SHERIFFS DEPARTMENT.
SOME STREAMS WERE ALSO REPORTED NEAR OR ABOVE BANKFULL.

THE RAINS HAD BEGUN TO DECREASE IN INTENSITY AT 315 PM EDT OVER PREBLE
COUNTY. HOWEVER LIGHT RAIN WILL CONTINUE UNTIL 6 PM EDT. THE
CONTINUATION OF THE RAIN WILL ONLY ADD THE ALREADY PONDING OF WATER AND
PUT STREAMS ABOVE BANKFULL.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY.  THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO
CROSS SAFELY.  VEHICLES CAUGHT IN RISING WATER SHOULD BE
ABANDONED QUICKLY.  MOVE TO HIGHER GROUND.

$$
TIPTON
...TOKE OUT ACTIVATION OF EBS LINE...

What forecasters said that day

The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Apr 25, 1:51 PM EDT, 1 hour 26 minutes before
OHZ008-251900-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
150 PM EDT SUN APR 25 1993

A LINE OF SHOWERS AND THUNDERSTORMS CAUSING HEAVY RAINFALL CONTINUED TO
APPROACH CINCINNATI AREA.

AT 130 PM EDT...WEATHER SERVICE RADAR DETECTED A LINE OF SHOWERS AND
THUNDERSTORMS 15 MILES WIDE STRETCHING FROM DAYTON OHIO...TO SEYMOUR
INDIANA 60 MILES WEST OF CINCINNATI. THIS LINE HAS INCREASED SLIGHTLY
IN SPEED SINCE 1230 PM EDT.

THE LINE WAS MOVING SOUTHEAST AT 20 MILES AN HOUR WHILE STORMS WITHIN
THE LINE WERE MOVING NORTHEAST AT 30 MILES AN HOUR.

THIS LINE WAS PART OF A LARGER AREA OF SCATTERED SHOWERS AND
THUNDERSTORMS IN A 115 MILE WIDE BAND THAT EXTENDED FROM MARION OHIO
60 MILES NORTH OF DAYTON...TO TELL CITY INDIANA 125 MILES SOUTHWEST OF
CINCINNATI.

THE AREA OF RAIN WAS MOVING NORTHEAST AT 25 MILES AN HOUR.

THE GREATEST THREAT OF THIS LINE OF THUNDERSTORMS IS ITS SLOW
MOVEMENT...WHICH WIL>L RESULT IN LOCALLY HEAVY RAIN. MOTORISTS SHOULD
BE AWARE OF STANDING WATER ON ROADWAYS...ESPECIALLY TO THE NORTH AND
TO THE WEST OF CINCINNATI WHERE THE HEAVIEST RAINFALL CONTINUES TO
OCCUR.

DIAN
Special weather statement, Apr 25, 2:14 PM EDT, 1 hour 3 minutes before
OHZ005-252215-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DAYTON OH
211 PM EDT SUN APR 25 1993

SLOW MOVING SHOWERS AND THUNDERSTORMS WERE CAUSING SOME PONDING OF WATER
ACROSS PORTIONS OF THE MIAMI VALLEY EARLY THIS AFTERNOON.

NATIONAL WEATHER SERVICE RADAR HAS INDICATED AN AREA OF SHOWERS AND
THUNDERSTORMS OVER PREBLE AND MONTEGOMERY COUNTY SINCE ABOUT 11 AM EDT.
CURRENTLY AT 210 PM EDT THE HEAVIEST RAINFALL WAS COMING FROM AN AREA
OF THUNDERSTORMS OVER GREENE COUNTY.

WATER WAS PONDING IN LOW LYING ARES IN BOTH PREBLE AND MONTEGOMERY
COUNTIES AS REPORTED BY A WEATHER SERVICE EMPLOYEE AND HAM RADIO
SPOTTERS. PONDING WILL LIKELY TAKE PLACE IN GREENE COUNTY BY 3 PM EDT.

THE^ RAINS WILL GRADUALLY END ACROSS ALL THE MIAMI VALLEY BY 6 PM EDT.

PLEASE STAY TUNED TO NOAA WEATHER RADIO OR THE LOCAL MEDIA IN CASE
FLOODING BECOMES SERIOUS.

TIPTON
Special weather statement, Apr 25, 2:49 PM EDT, 28 minutes before
OHZ008-252000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OH
250 PM EDT SUN APR 25 1993

A LINE OF SHOWERS AND THUNDERSTORMS CAUSING HEAVY RAINFALL WAS MOVING
THROUGH THE GREATER CINCINNATI AREA.

AT 230 PM EDT...WEATHER SERVICE RADAR DETECTED A LINE OF SHOWERS AND
THUNDERSTORMS 10 MILES WIDE STRETCHING FROM LONDON OHIO 20 MILES WEST
OF COLUMBUS...TO MILAN INDIANA 20 MILES NORTHWEST OF CINCINNATI. THE
MOST INTENSE STORMS PRODUCING THE HEAVIEST RAINFALL WERE JUST NORTH OF
CINCINNATI.

THE LINE WAS MOVING SOUTHEAST AT 15 MILES AN HOUR WHILE STORMS WITHIN
THE LINE WERE MOVING NORTHEAST AT 25 MILES AN HOUR.

THIS LINE WAS PART OF A LARGER AREA OF SCATTERED SHOWERS AND
THUNDERSTORMS IN A 125 MILE WIDE BAND THAT EXTENDED FROM CARDINGTON OHIO
OR 120 MILES NORTHEAST OF CINCINNATI...TO LEITCHFIELD KENTUCKY 125 MILES
SOUTHWEST OF CINCINNATI.

THE AREA OF RAIN WAS MOVING NORTHEAST AT 25 MILES AN HOUR.

AS THESE THUNDERSTORMS MOVE THROUGH THE CINCINNATI TRI STATE...PEOPLE
SHOULD BE AWARE OF THE THREAT OF LOCALLY HEAVY RAINS. BE AWARE OF
STANDING WATER ON ROADWAYS...ESPECIALLY IN LOW LYING AREAS.

WITH THE COLD FRONT PASSING THROUGH CINCINNATI AT 230 PM EDT...THE
HEAVY RAIN WILL CONTINUE WITHIN THE GREATER CINCINNATI REGION UNTIL
ABOUT 400 PM EDT...WITH LIGHTER RAIN SHOWERS CONTINUING INTO THIS
EVENING. STAY TUNED TO NOAA WEATHER RADIO FOR UPDATES ON THIS HEAVY
RAIN EVENT.

DIAN

Nearby

Flash Flood Warnings in Ohio, 1993Every flash flood warning in 1993

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.