Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 69, NWS Wilmington, OH

December 30, 1990Clinton County, Warren County, Ohio

NWS Wilmington, OH issued this flash flood warning at Dec 30, 1990, 2:53 PM EST for Clinton County, Warren County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 30, 1990, 2:53 PM EST (19:53 UTC)
Expired
Dec 30, 1990, 7:00 PM EST
In force
4 hr
Issued by
NWS Wilmington, OH
Area
Whole counties

Counties Clinton County, OH, Warren County, OH

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The nearest sounding before it

Dayton/James M C, OH (KDAY), launched 12:00Z, 7.9 hours before the alert went out and 56 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 1990-12-30Temperature 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 1990-12-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 167 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
535 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
167 m²/s²
0-3 km storm-relative helicity
337 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 KCVG 301952
FFWCVG
OHC027-165-310000-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
253 PM EST SUN DEC 30 1990
 
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL  700 PM EST
FOR PEOPLE IN THE FOLLOWING COUNTIES...
 
IN SOUTHWEST OHIO
          ...CLINTON...WARREN
 
AT 230 PM WILMINGTON POLICE REPORTED SEVERAL COUNTY ROADS FLOODED
ACROSS CLINTON COUNTY. ALSO MANY STORM SEWERS IN WILMINGTON HAVE
BEEN UNABLE TO HANDLE THE RUNOFF.
 
IN WARREN COUNTY A REPORT OF A CREEK OVER ITS BANK IN FRANKLIN...
FLOWING INTO THE COMMUNITY PARK.
 
 
 
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THiE 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.
KEENEY

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, Dec 30, 9:46 AM EST, 5 hours 7 minutes before
OHZ008-INZ013-KYZ005-301700-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OHIO
946 AM EST SUN DEC 30 1990

...FLOOD WATCH EARLY TODAY FOR SOUTHWEST OHIO AND NORTHERN KENTUCKY...
...WINTER STORM WARNING FOR SOUTHEAST INDIANA TODAY...
...WINTER WEATHER ADVISORIES FOR NORTHERN KENTUCKY AND SOUTHWEST OHIO
   FOR LATE MORNING THROUGH EARLY EVENING...

AT 930 THIS MORNING NATIONAL WEATHER SERVICE RADAR SHOWED A LARGE AREA
OF RAIN COVERING ALL OF SOUTHWEST OHIO...SOUTHEAST INDIANA AND NORTHERN
KENTUCKY. PATCHY AREAS OF HEAVIER RAIN WERE THROUGHOUT THIS AREA.

THE RAIN EXTENDED FROM SOUTH OF COLUMBUS SOUTHWEST THROUGH CINCINNATI
TO 50 MILES SOUTHWEST OF LOUISVILLE KENTUCKY. AT 900 AM ALL MOISTURE
WAS IN THE FORM OF RAIN. FREEZING RAIN WAS JUST WEST OF INDIANAPOLIS
INDIANA AND EXTENDED WEST THROUGH ILLINOIS.

WITH THE CONTINUOUS RAIN ACROSS THE AREA SMALL STREAMS MAY BEGIN TO
SWELL AS WELL AS PONDING WATER OVER ROADWAYS. IF YOU ENCOUNTER ANY HIGH
WATER PLEASE REPORT LOCATIONS TO THE LOCAL SHERIFF DEPARTMENT.

FREEZING RAIN WILL DEVELOP FROM THE WEST LATE THIS MORNING AND SPREAD
EASTWARD AS THE DAY PROGRESSES. SLEET AND THEN SNOW WILL SOON FOLLOW BY
LATE AFTERNOON AND EARLY EVENING.

DRIVING WILL BECOME VERY DANGEROUS LATER TODAY. BY LATE TONIGHT...
ARCTIC AIR WILL CREATE WIND CHILLS NEAR OR SLIGHTLY BELOW ZERO AS
TEMPERATURES FALL INTO THE MIDDLE TEENS.

STAY TUNED TO NOAA WEATHER RADIO AST CHANGING WEATHER MAY REQUIRE FURTHER
WARNINGS OR ADVISORIES CONCERNING RAIN...SLEET...FREEZING RAIN OR SNOW.

KEENEY
Special weather statement, Dec 30, 12:50 PM EST, 2 hours 3 minutes before
OHZ008-INZ013-KYZ005-302000-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE CINCINNATI OHIO
1250 PM EST SUN DEC 30 1990

...FLOOD WATCH FOR NORTHERN KENTUCKY TODAY...
...WINTER WEATHER ADVISORIES FOR ALL OF THE TRI STATE FOR THIS AFTERNOON
AND EARLY EVENING...

A FLOOD WATCH REMAINS IN EFFECT FOR NORTHERN KENTUCKY THIS AFTERNOON.
ALSO A WINTER WEATHER ADVISORY IS IN EFFECT FOR THE ENTIRE TRI STATE
THROUGH EARLY THIS EVENING.

AT 1230 PM RAIN CONTINUED ACROSS MOST OF SOUTHWEST OHIO...ALL OF
NORTHERN KENTUCKY AND PORTIONS OF SOUTHEAST INDIANA. FREEZING RAIN WAS
FALLING OVER WESTERN INDIANA THROUGH ILLINOIS.

RAIN WILL CHANGE TO FREEZING RAIN AND SLEET LATE THIS AFTERNOON ACROSS
THE AREA AS TEMPERATURES FALL.
RAIN FALLING ACROSS THE ENTIRE AREA WILL CAUSE STREAMS AND CREEKS TO
POSSIBLY BECOME BANKFULL. PEOPLE LIVING NEAR FLOOD PRONE AREAS SHOULD
STAY ALERT TO RISING WATER LEVELS.

STAY TUNED TO NOAA WEATHER RA}DIO AS CHANGING WEATHER MAY REQUIRE FURTHER
WARNINGS OR ADVISORIES CONCERNING RAIN...FREEZING RAIN...SLEET OR SNOW.

KEENEY

The office that day

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

IssuedProductOfficeCountiesLasted
Dec 29, 9:14 PM ESTFlash Flood WarningILNMercer, Van Wert3 hr
Dec 29, 9:36 PM ESTFlash Flood WarningILNDarke3 hr
Dec 30, 12:01 AM ESTFlash Flood WarningILNAuglaize3 hr
Dec 30, 12:29 AM ESTFlash Flood WarningILNDarke, Mercer, Van Wert3 hr
Dec 30, 12:53 AM ESTFlash Flood WarningILNCrawford, Morrow, Richland4 hr
Dec 30, 12:53 AM ESTFlash Flood WarningILNAshland4 hr
Dec 30, 3:16 AM ESTFlash Flood WarningILNAuglaize, Darke, Mercer, Van Wert3 hr
Dec 30, 3:16 AM ESTFlash Flood WarningILNAllen, Hardin, Logan3 hr
Dec 30, 5:07 AM ESTFlash Flood WarningILNAshland, Richland3 hr
Dec 30, 5:07 AM ESTFlash Flood WarningILNCrawford, Morrow3 hr
Dec 30, 9:25 AM ESTFlash Flood WarningILNMorrow3 hr
Dec 30, 9:45 AM ESTFlash Flood WarningILNGreene, Montgomery3 hr
Dec 30, 9:45 AM ESTFlash Flood WarningILNChampaign3 hr
Dec 30, 10:17 AM ESTFlash Flood WarningILNButler3 hr
Dec 30, 1:08 PM ESTFlash Flood WarningILNButler4 hr
Dec 30, 3:16 PM ESTFlash Flood WarningILNHighland4 hr
Dec 30, 4:08 PM ESTFlash Flood WarningILNChampaign, Clark, Logan, Miami, Shelby4 hr
Dec 30, 4:08 PM ESTFlash Flood WarningILNAllen, Auglaize, Hardin4 hr
Dec 30, 4:08 PM ESTFlash Flood WarningILNDarke, Mercer, Van Wert4 hr
Dec 30, 4:08 PM ESTFlash Flood WarningILNMontgomery, Preble4 hr
Dec 30, 4:08 PM ESTFlash Flood WarningILNGreene4 hr
Dec 30, 4:28 PM ESTFlash Flood WarningILNBrown3 hr

Nearby

Flash Flood Warnings in Ohio, 1990Every flash flood warning in 1990

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.