Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 48, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Aug 21, 1990, 10:36 PM EDT for Highland County, Ohio. It was in force for 114 min.
The area
The counties it named.
The facts
- Issued
- Aug 21, 1990, 10:36 PM EDT (02:36 UTC)
- Expired
- Aug 22, 1990, 12:30 AM EDT
- In force
- 114 min
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Highland 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 00:00Z, 2.6 hours before the alert went out and 95 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.
- Mixed-layer CAPE
- 976 J/kg
- Mixed-layer CIN
- -9 J/kg
- Mixed-layer LCL
- 724 m above ground
- 0-6 km bulk shear
- 14 kt
- 0-1 km storm-relative helicity
- 34 m²/s²
- 0-3 km storm-relative helicity
- 67 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCVG 220244 COR
FFWCVG
OHC071-220430-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING CORRECTED
NATIONAL WEATHER SERVICE COVINGTON KY
1036 PM EDT TUE AUG 21 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 1230 AM EDT FOR PEOPLE IN
THE FOLLOWING COUNTY
IN THE SOUTHWEST PART OF OHIO
HIGHLAND
AT 1030 PM EDT WEATHER SERVICE RADAR SHOWED SLOW MOVING
THUNDERSTORMS IN EASTERN HIGHLAND COUNTY OHIO NEAR HILLSBORO
CONTINUED PERIODS OF VERY HEAVY DOWNPOURS.
HILLSBORO FIRE DEPARTMENT REPORTED SOME BASEMENT FLOODING AND
ABOUT ONE TO TWO FEET OF WATER ON A FEW ROADS.
A FLASH FLOOD WARNING MEANS FLOODING IS OCCURRING OR IS IMMINENT.
MOST FLASH FLOOD DEATHS OCCUR IN AUTOMOBILES. DO NOT ATTEMPT TO
CROSS BRIDGES...DIPS...OR LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT.
TO ESCAPE RISING fWATER MOVE TO HIGHER GROUND.
$$
SAM
CORRECTED FOR TIME SHOULD BE 1030 PM EDT NOT 1030 AM EDTWhat 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, Aug 21, 5:02 PM EDT, 5 hours 34 minutes before
OHZ008-INZ013-KYZ005-212200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 502 PM EDT TUE AUG 21 1990 A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR SOUTHEAST INDIANA... SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 9 PM EDT. AT 435 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER SOUTHEAST INDIANA...PARTS OF SOUTHWEST OHIO AND MUCH OF NORTHERN AND CENTRAL KENTUCKY. THE SHOWERS AND THUNDERSTORMS WERE SPREAD FROM MUNCIE INDIANA... SOUTHWEST TO JACKSON KENTUCKY...IN AN AREA ABOUT 150 MILES WIDE. THE STORMS WERE MOVING EAST AT ABOUT 20 MILES AN HOUR. RAINFALL AMOUNTS WITH THE THUNDERSTORMS HAVE RANGED FROM ONE TO TWO INCHES...ALONG WITH VISIBILITIES OF ZERO IN HEAVY RAIN. THESE STORMS CAN ALSO CAUSE STRONG WINDS...HAIL AND FREQUENT LIGHTNING. < STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE RADIO STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. A FLOOD WATCH IS ALSO IN EFFECT FOR SOUTHWEST OHIO FOfR TONIGHT. GOLDEN
Special weather statement, Aug 21, 5:42 PM EDT, 4 hours 54 minutes before
OHZ008-INZ013-KYZ005-212245- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 541 PM EDT TUE AUG 21 1990 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST INDIANA... SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 9 PM EDT. AT 535 PM EDT...THUNDERSTORMS WITH VERY HEAVY RAIN CONTINUED OVER SOUTHEAST INDIANA...SOUTHWEST OHIO AND MUCH OF NORTHERN AND EASTERN KENTUCKY. THE THUNDERSTORMS EXTENDED FROM JUST SOUTH OF FORT WAYNE INDIANA... SOUTHEAST TO ABOUT 50 MILES SOUTHEAST OF JACKSON KENTUCKY...IN AN AREA ABOUT 150 MILES WIDE. RAINFALL AMOUNTS WITH THE THUNDERSTORMS HAVE RANGED FROM ONE TO TWO INCHES...ALONG WITH VISIBILITIES OF ZERO IN HEAVY RAIN. THESE STORMS CAN ALSO CAUSE STRONG WINDS...HAIL AND FREQUENT LIGHTNING. < STAY TUNED TO NOAA WEATHER RADIO OR YOUR FAVORITE RADIO STATION FOR LATER STATEMENTS AND POSSIBLE WARNINGS. A FLOOD WATCH IS ALSO IN EFFECT FOR SOUTHWEST OHIO FOR TONIGHT. GOLDEN
Special weather statement, Aug 21, 7:42 PM EDT, 2 hours 54 minutes before
OHZ008-INZ013-KYZ005-220045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 742 PM EDT TUE AUG 21 1990 A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR SOUTHEAST INDIANA... SOUTHWEST OHIO AND NORTHERN KENTUCKY UNTIL 9 PM EDT. AT 735 PM EDT...THUNDERSTORMS...SOME WITH VERY HEAVY RAIN...CONTINUED OVER PARTS OF SOUTHEAST INDIANA...SOUTHWEST OHIO AND NORTHERN AND EASTERN KENTUCKY. THE THUNDERSTORMS WERE SCATTERED FROM ABOUT 30 MILES SOUTH OF FORT WAYNE INDIANA...SOUTHEAST TO ABOUT 50 MILES SOUTH OF HUNTINGTON WEST VIRGINIA...IN AN AREA ABOUT 150 MILES WIDE. THE THUNDERSTORMS WITH THE HEAVIEST RAIN WERE OCCURRING ABOUT 25 MILES SOUTHEAST OF LOUISVILLE KENTUCKY...AND ABOUT 30 MILES NORTHEAST OF CINCINNATI. < THE THUNDERSTORMS WERE MOVING EAST AT ABOUT 25 MILES AN HOUR. THEY HAD DECREASED IN AREA COVERAGE SINCE 635 PM EDT...AND WERE BECOMING MORE WIDELY SCATTERED. A FLOOD WATCH IS ALSO IN EFFECT FOR SOUTHWEST @OHIO FOR TONIGHT. GOLDEN
Special weather statement, Aug 21, 8:17 PM EDT, 2 hours 19 minutes before
OHZ008-INZ013-KYZ005-220100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 815 PM EDT TUE AUG 21 1990 THUNDERSTORMS WITH MOSTLY VERY HEAVY DOWNPOURS AND FREQUENT LIGHTNING WERE OCCURRING EAST OF INTERSTATE 71 IN CLINTON AND NORTHERN HIGHLAND COUNTIES OF SOUTHWEST OHIO AT 810 PM EDT. WEATHER SERVICE RADAR SHOWED THESE THUNDERSTORMS ABOUT 45 MILES EAST OF CINCINNATI BETWEEN WILIMGITON AND HILLSBORO OHIO. THESE STORMS WERE MOVING EAST AT 20 MILES AN HOUR. WEATHER AMATEUR RADIO SPOTTERS AND WILMINGTON OHIO POLICE REPORTED FREQUENT LIGHTNING AND DARK SEVERAL MILES EAST OF WILMIGTON OHIO. THE THUNDERSTORMS APPEARED TO BE OCCURRING IN THE OPEN FLAT LAND AREAS OF CLINTON AND HIGHLAND COUNTIES. RAINFALL WILL BE LOCALLY HEAVY BETWEEN WASHINGTON COURTHOUSE AND HILLSBORO OHIO UNTIL AROUND 9 PM EDT. IF YOU ARE CAUGHT OUT IN THE HEAVY DOWNPOURS DO NOT TRY TO CROSS AREAS OF STANDING HIGH WATER...INTEAD... SEEK HIGHER GRqOUND. SAM
Special weather statement, Aug 21, 8:56 PM EDT, 1 hour 40 minutes before
OHZ008-INZ013-KYZ005-220200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 854 PM EDT TUE AUG 21 1990 THE SEVERE THUNDERSTORMS WATCH FOR THE GREATER CINCINNATI AREA HAS BEEN CANCELLED...NO SEVERE WEATHER WAS REPORTED TO THIS OFFICE...HOWEVER HEAVY DOWNPOURS CAUSED FLOODING IN SOME COMMUNITIES OF THE GREATER CINCINNATI AREA THIS EVENING. AT 850 PM EDT WEATHER SERVICE CONTINUED TO SHOW THUNDERSTORMS WITH PERIODS OF VERY HEAVY RAIN AND FREQUENT LIGHTNING FROM RICHMOND INDIANA SOUTHEASTWARD INTO BULTER COUNTY TO ALONG THE OHIO RIVER AT PORTSMOUTH OHIO. PEOPLE NORTH OF CINCINNATI...IN MIDDLETOWN...HAMILTON AND LEBANON AND KINGS MILL OHIO BE EXPECT ANOTHER ROUND OF BRIEF VERY HEAVY RAIN... DANGEROUS LIGHTNING AND POSSIBLE GUSTY WINDS BETWEEN 9 PM EDT AND 10 PM EDT.
Special weather statement, Aug 21, 9:05 PM EDT, 1 hour 31 minutes before
OHZ008-INZ013-KYZ005-220200- SPECIAL WEATHER STATEMENT CORRECT NATIONAL WEATHER SERVICE CINCINNATI OH 854 PM EDT TUE AUG 21 1990 THE SEVERE THUNDERSTORMS WATCH FOR THE GREATER CINCINNATI AREA HAS BEEN CANCELLED...NO SEVERE WEATHER WAS REPORTED TO THIS OFFICE...HOWEVER HEAVY DOWNPOURS CAUSED FLOODING IN SOME COMMUNITIES OF THE GREATER CINCINNATI AREA THIS EVENING. AT 850 PM EDT WEATHER SERVICE CONTINUED TO SHOW THUNDERSTORMS WITH PERIODS OF VERY HEAVY RAIN AND FREQUENT LIGHTNING FROM RICHMOND INDIANA SOUTHEASTWARD INTO BULTER COUNTY TO ALONG THE OHIO RIVER AT PORTSMOUTH OHIO. PEOPLE NORTH OF CINCINNATI...IN MIDDLETOWN...HAMILTON AND LEBANON AND KINGS MILL OHIO CAN EXPECT ANOTHER ROUND OF BRIEF VERY HEAVY RAIN... DANGEROUS LIGHTNING AND POSSIBLE GUSTY WINDS BETWEEN 9 PM EDT AND 10 PM EDT. SAM
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 21, 10:11 PM EDT | Flash Flood Warning | ILN | Clermont, Warren | 94 min |
| Aug 21, 10:41 PM EDT | Flash Flood Warning | ILN | Preble | 3 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.