Alert archive / Ohio / Flash Flood Warnings in 1992
Flash Flood Warning 22, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Jul 29, 1992, 8:40 PM EDT for Hamilton County, Ohio. It was in force for 2 hr.
The area
The counties it named.
The facts
- Issued
- Jul 29, 1992, 8:40 PM EDT (00:40 UTC)
- Expired
- Jul 29, 1992, 10:45 PM EDT
- In force
- 2 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Hamilton County, OH
The nearest sounding before it
Dayton/James M C, OH (KDAY), launched 00:00Z, 0.7 hours before the alert went out and 84 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
- 252 J/kg
- Mixed-layer CIN
- -67 J/kg
- Mixed-layer LCL
- 1093 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 51 m²/s²
- 0-3 km storm-relative helicity
- 58 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCVG 300044
FFWCVG
OHC061-300245-
BULLETIN - EBS ACTIVATION REQUESTED
FLOOD WARNING
NATIONAL WEATHER SERVICE CINCINNATI OH
840 PM EDT WED JUL 29 1992
THE NATIONAL WEATHER SERVICE IN CINCINNATI HAS ISSUED A
FLOOD WARNING FOR SMALL STREAMS AND URBAN AREAS EFFECTIVE
UNTIL 1000 PM EDT FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHWEST OHIO
...HAMILTON
AT 835 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A THUNDERSTORM
PRODUCING TORRENTIAL RAINS OVER EASTERN SECTIONS OF HAMILTON COUNTY.
WEATHER SPOTTERS INDICATED THAT WATER WAS OVER THE ROADWAY AT COLERAIN
AND ROUNDTOP ROAD ALSO 1 MILE NORTH OF GALBRAITH ROAD.
RAINFALL TOTALS OF OVER 3/4 OF AN INCH FELL IN JUST 30 MINUTES IN
COLERAIN TOWNSHIP IN CENTRAL HAMILTON COUNTY. THE STORM WAS MOVING
SOUTHEAST AT 30 MILES AN HOUR.
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.
KEENEY/MSLWhat 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 29, 5:14 PM EDT, 3 hours 26 minutes before
OHZ006-007-009-011-292315- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS OH 514 PM EDT WED JUL 29 1992 THUNDERSTORMS PRODUCING BRIEF TORRENTIAL DOWNPOURS AND GUSTY WINDS MOVED INTO CENTRAL OHIO LATE THIS AFTERNOON. AT 510 PM NATIONAL WEATHER SERVICE RADAR INDICATED SCATTERED SHOWERS AND THUNDERSTORMS NORTH OF A DAYTON TO COLUMBUS TO ZANESVILLE LINE. ALL THE PRECIPITATION WAS MOVING TO THE EAST AT 25 MILES AN HOUR AND WILL CONTINUE OVER CENTRAL OHIO THROUGH 7 PM. THE STORMS PRODUCING THE HEAVIEST RAINFALL WERE OVER MARION...NORTHERN DELAWARE AND SOUTHERN UNION COUNTIES. THE UNION AND MARION COUNTY SHERIFFS BOTH REPORTED VERY HEAVY RAIN WITH THESE STORMS. THE THUNDERSTORMS OVER UNION...MARION AND DELAWARE COUNTIES MAY ALSO PRODUCE WIND GUSTS TO 40 MILES AN HOUR...PEA SIZE HAIL AND TORRENTIAL DOWNPOURS. SOME OF THE THUNDERSTORMS OVER WESTCENTRAL OHIO PRODUCED 1 TO 2 INCHES OF RAIN BETWEEN 4 AND 5 PM. SOME OF THESE STORMS WILL EVENTUALLY MOVE INTO CENTRAL OHIO. THE GROUND REMAINS SATURATED OVER CENTRAL OHIO AND THE ADDITIONAL HEAVY RAINFALL WILL CAUSE PONDING OF WATER ON ROADWAYS AND STANDING WATER IN LOW LYING AREAS. PEOPLE THROUGHOUT CENTRAL OHIO SHOULD BE PREPARED TO ACT QUICKLY AND MOVE TO HIGHER GROUND IF FLOODING IS OBSERVED OR A WARNING IS ISSUED. LISTEN TO NOAA WEATHER RADIO FOR THE LATEST WEATHER INFORMATION AND POSSIBLE WARNINGS. SMITH
Special weather statement, Jul 29, 5:45 PM EDT, 2 hours 55 minutes before
OHZ008-292240- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 545 PM EDT WED JUL 29 1992 THUNDERSTORMS WERE MOVING THROUGH PARTS OF SOUTHWEST OHIO LATE THIS AFTERNOON. AT 540 PM... SCATTERED THUNDERSTORMS... SOME WITH VERY HEAVY RAIN... WERE OVER PARTS OF THE SOUTHWEST QUARTER OF OHIO. THIS ACTIVITY WAS LOCATED FROM ABOUT 10 MILES NORTH OF CINCINNATI NEAR HAMILTON NORTHEAST ALONG INTERSTATE 71 INTO THE COLUMBUS AREA. THE STRONGEST STORMS WITHIN THIS AREA WERE LOCATED 5 MILES SOUTH OF DAYTON IN SOUTHEAST MONTGOMERY COUNTY... AND 10 MILES SOUTHEAST OF DAYTON IN SOUTHWEST GREENE COUNTY. THIS AREA OF THUNDERSTORMS WAS MOVING EAST AT 35 MILES AN HOUR... AND WILL MOVE THROUGH MUCH OF WARREN COUNTY AND INTO MUCH OF CLINTON COUNTY IN SOUTHWEST OHIO BY 615 PM. THESE STORMS HAVE A HISTORY OF PRODUCING TORRENTIAL DOWNPOURS IN ADDITION TO NEARLY CONTINUOUS LIGHTNING STRIKES... AND HAVE THE POTENTIAL TO PRODUCE SMALL HAIL AND WIND GUSTS TO AROUND 40 MILES AN HOUR. PEOPLE IN FAR SOUTHWEST OHIO... ESPECIALLY IN WARREN AND CLINTON COUNTIES... SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK STRONG SHELTER IF THREATENING WEATHER APPROACHES. STAY XTUNED TO NOAA WEATHER RADIO OR THE COMMERCIAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THESE THUNDERSTORMS. MSL
Special weather statement, Jul 29, 6:45 PM EDT, 1 hour 55 minutes before
OHZ008-292345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OH 645 PM EDT WED JUL 29 1992 THUNDERSTORMS PERSISTED OVER PARTS OF SOUTHWEST OHIO EARLY THIS EVENING. AT 635 PM... SCATTERED THUNDERSTORMS... SOME WITH VERY HEAVY RAIN... WERE OVER PARTS OF THE SOUTHWEST QUARTER OF OHIO. AN INDIVIDUAL STORM WAS LOCATED NEAR THE INDIANA-OHIO BORDER WEST OF HAMILTON... WHILE A LARGER AREA OF STORMS EXTENDED FROM 15 MILES NORTHEAST OF CINCINNATI IN NORTHERN CLERMONT COUNTY NORTHEAST TO NEAR COLUMBUS AND NEWARK. MOVEMENT OF THESE THUNDERSTORMS WAS EAST AT 35 MILES AN HOUR. THE STORM LOCATED WEST OF HAMILTON WILL PASS THROUGH THE HAMILTON AND MIDDLETOWN AREAS OF SOUTHWEST OHIO BY 700 PM... WHILE THE THUNDERSTORMS NOW LOCATED OVER NORTHERN CLERMONT COUNTY AND SOUTHEAST CLINTON COUNTY WILL MOVE INTO NORTHERN PARTS OF BROWN AND HIGHLAND COUNTIES IN SOUTHWEST OHIO BY 700 PM. THESE STORMS HAVE A HISTORY OF PRODUCING TORRENTIAL DOWNPOURS IN ADDITION TO NEARLY CONTINUOUS LIGHTNING STRIKES... AND HAVE THE POTENTIAL TO PRODUCE SMALL HAIL AND WIND GUSTS TO AROUND 40 MILES AN HOUR. PEOPLE IN FAR SOUTHWEST OHIO... ESPECIALLY IN BUTLER... BROWN AND HIGHLAND COUNTIES... SHOULD BE ALERT TO RAPIDLY CHANGING WEATHER CONDITIONS AND SEEK STRONG SHELTER IF THREATENING WEATHER APPROACHES. OTHER SCATTERED SHOWERS AND THUNDERSTORMS EXTENDED FROM NEAR MUNCIE IN EAST CENTRAL INDIANA EAST TO NEAR MANSFIELD IN CENTRAL OHIO... AND WERE ALSO MOVING EAST AT 35 MILES AN HOUR. STAY TUNED TO NOAA WEATHER RADIO OR THE COMMERCIAL MEDIA FOR LATER STATEMENTS AND POSSIBLE WARNINGS CONCERNING THESE THUNDERSTORMS. MSL
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 9:59 PM EDT | Flash Flood Warning | ILN | Hamilton | 61 min |
| Jul 30, 3:18 PM EDT | Severe Thunderstorm Warning | ILN | Crawford | 42 min |
| Jul 30, 3:46 PM EDT | Severe Thunderstorm Warning | ILN | Richland | 44 min |
| Jul 30, 4:31 PM EDT | Severe Thunderstorm Warning | ILN | Ashland, Richland | 59 min |
| Jul 30, 4:55 PM EDT | Severe Thunderstorm Warning | ILN | Crawford | 65 min |
| Jul 30, 4:56 PM EDT | Flash Flood Warning | ILN | Mercer | 3 hr |
| Jul 30, 5:42 PM EDT | Flash Flood Warning | ILN | Auglaize | 3 hr |
| Jul 30, 5:52 PM EDT | Flash Flood Warning | ILN | Darke | 3 hr |
| Jul 30, 6:45 PM EDT | Flash Flood Warning | ILN | Miami | 3 hr |
Nearby
Flash Flood Warnings in Ohio, 1992Every flash flood warning in 1992
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.