Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 85, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Dec 31, 1990, 8:55 AM EST for Darke County, Montgomery County, Preble County, Ohio. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 31, 1990, 8:55 AM EST (13:55 UTC)
- Expired
- Dec 31, 1990, 2:00 PM EST
- In force
- 5 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
Counties Darke County, OH, Montgomery County, OH, Preble 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, 1.9 hours before the alert went out and 27 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 601 m above ground
- 0-6 km bulk shear
- 97 kt
- 0-1 km storm-relative helicity
- -14 m²/s²
- 0-3 km storm-relative helicity
- 134 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 KDAY 311356
FFWDAY
OHC003-011-021-023-037-057-065-091-107-109-113-135-149-161-311900-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE DAYTON OH
855 AM EST MON DEC 31 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SMALL STREAM
FLOOD WARNING EFFECTIVE UNTIL 200 PM EST FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN THE STATE OF OHIO
ALLEN...AUGLAIZE...CHAMPAIGN...CLARK...DARKE...GREENE...
HARDIN...LOGAN...MERCER...MIAMI...MONTGOMERY...PREBLE...
SHELBY...VAN WERT
AT 845 AM EST...NEARLY ALL SMALL STREAMS WERE STILL FLOODED
ACROSS WESTERN OHIO. SHERIFFS DEPARTMENTS REPORTED MANY ROAD
CLOSINGS IN EVERY COUNTY IN THE WARNING AREA.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE 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 IMMEDIATELY.
MOVE TO HIGHER GROUND.
THIS WARNING IS A CONTINUATION OF THE PREVIOUS SMALL STREAM FLOOD
WARNING ISSUED.
LINDSEYWhat 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 31, 4:39 AM EST, 4 hours 16 minutes before
OHZ006-007-009-011-311300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE COLUMBUS OH 438 AM EST MON DEC 31 1990 SLICK ROAD CONDITIONS ARE POSSIBLE ACROSS CENTRAL OHIO EARLY THIS MORNING. AT 430 AM NATIONAL WEATHER SERVICE RADAR INDICATED A FEW PATCHES OF LIGHT SNOW AND LIGHT FREEZING RAIN ACROSS CENTRAL OHIO. A MIXTURE OF LIGHT SNOW AND LIGHT FREEZING RAIN WAS FALLING AT PORT COLUMBUS INTERNATIONAL AIRPORT AT 430 AM. TEMPERATURES HAVE NOW FALLEN WELL BELOW FREEZING ACROSS MOST OF THE AREA AND WILL CONTINUE TO FALL THROUGH THE EARLY MORNING HOURS. ANY WATER REMAINING ON ROADS FROM THE RAINFALL YESTERDAY WILL BEGIN TO FREEZE CREATING ICY SPOTS ON STREETS AND HIGHWAYS. LIGHT SNOW OR FLURRIES...AND A FEW PATCHES OF LIGHT FREEZING RAIN OR DRIZZLE...WILL ADD TO THE HAZARDOUS DRIVING CONDITIONS EARLY THIS MORNING. MOTORISTS SHOULD BE EXTREMELY CAUTIOUS AND BE ALERT FOR PATCHES OF ICE...ESPECIALLY ON BRIDGES AND OVERPASSES...IiNTO THE MORNING RUSH HOUR. THE LIGHT PRECIPITATION WILL END LATER THIS MORNING. NO SIGNIFICANT ACCUMULATION OF SNOW IS EXPECTED. GERARD
Special weather statement, Dec 31, 5:46 AM EST, 3 hours 9 minutes before
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
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 7:19 PM EST | Flash Flood Warning | ILN | Highland | 4 hr |
| Dec 30, 8:14 PM EST | Flash Flood Warning | ILN | Clark, Greene, Montgomery | 2 hr |
| Dec 30, 8:14 PM EST | Flash Flood Warning | ILN | Allen, Auglaize, Hardin, Van Wert | 2 hr |
| Dec 30, 8:14 PM EST | Flash Flood Warning | ILN | Champaign, Logan, Shelby | 2 hr |
| Dec 30, 8:14 PM EST | Flash Flood Warning | ILN | Darke, Mercer | 2 hr |
| Dec 30, 8:14 PM EST | Flash Flood Warning | ILN | Preble | 2 hr |
| Dec 30, 8:14 PM EST | Flash Flood Warning | ILN | Miami | 2 hr |
| Dec 31, 8:55 AM EST | Flash Flood Warning | ILN | Allen, Auglaize, Hardin, Logan | 5 hr |
| Dec 31, 8:55 AM EST | Flash Flood Warning | ILN | Champaign, Clark, Miami, Shelby | 5 hr |
| Dec 31, 8:55 AM EST | Flash Flood Warning | ILN | Mercer, Van Wert | 5 hr |
| Dec 31, 8:55 AM EST | Flash Flood Warning | ILN | Greene | 5 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.