Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 75, NWS Charleston, WV
NWS Charleston, WV issued this flash flood warning at Jul 22, 1990, 1:00 AM EDT for Madison County, Ohio. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Jul 22, 1990, 1:00 AM EDT (05:00 UTC)
- Expired
- Jul 22, 1990, 4:00 AM EDT
- In force
- 3 hr
- Issued by
- NWS Charleston, WV
- Area
- Whole counties
County Madison 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, 5.0 hours before the alert went out and 68 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
- 870 J/kg
- Mixed-layer CIN
- 0 J/kg
- Mixed-layer LCL
- 800 m above ground
- 0-6 km bulk shear
- 16 kt
- 0-1 km storm-relative helicity
- -2 m²/s²
- 0-3 km storm-relative helicity
- 9 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 KCMH 220501
FFWCMH
OHC097-220800-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
100 AM EDT SUN JUL 22 1990
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 400 AM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN CENTRAL OHIO
...MADISON
AT 12:55 AM EDT NATIONAL WEATHER SERVICE RADAR INDICATED NEARLY
STATIONARY SHOWERS AND THUNDERSTORMS OVER THE NORTHERN HALF OF MADISON
COUNTY.
THE MADISON COUNTY SHERIFF DEPARTMENT REPORTED HIGH WATER ON NUMEROUS
HIGHWAYS IN THE NORTHERN HALF OF MADISON COUNTY...ALONG WITH FLOODING
IN THE LAKE CHOCTAW AREA.
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.
GROHWhat 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, Jul 21, 7:39 PM EDT, 5 hours 21 minutes before
WVZ006>008-220100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BECKLEY WV 635 PM EDT SAT JUL 21 1990 AT 630 PM EDT WEATHER SERVICE RADAR AT BECKLEY SHOWED A THUNDERSTORM WITH VERY HEAVY RAINFALL OVER NORTHERN MONROE COUNTY IN SOUTHERN WEST VIRGINIA. THE THUNDERSTORM WAS MOVING EAST AROUND 15 MILES AN HOUR. BECAUSE OF THE SLOW MOVEMENT THIS THUNDERSTORM...THE HEAVY RAINS MAY PRODUCE SMALL STREAM AND URBAN FLOODING. THUNDERSTORMS MAY ALSO PRODUCE STRONG GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING THIS EVENING. END/CGF
Special weather statement, Jul 21, 7:46 PM EDT, 5 hours 14 minutes before
WVZ006>008-220100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE BECKLEY WV 735 PM EDT SAT JUL 21 1990 AT 730 PM EDT WEATHER SERVICE RADAR AT BECKLEY SHOWED A THUNDERSTORM WITH VERY HEAVY RAINFALL OVER NORTHERN MONROE COUNTY IN SOUTHERN WEST VIRGINIA. THE THUNDERSTORM WAS MOVING EAST AROUND 15 MILES AN HOUR. BECAUSE OF THE SLOW MOVEMENT OF THIS THUNDERSTORM...THE HEAVY RAINS MAY PRODUCE SMALL STREAM AND URBAN FLOODING. THUNDERSTORMS MAY ALSO PRODUCE STRONG GUSTY WINDS...SMALL HAIL AND DANGEROUS LIGHTNING THIS EVENING. END/CGF
The office that day
Everything else NWS Charleston, WV issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 2:12 AM EDT | Flash Flood Warning | RLX | Franklin | 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.