Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 64, NWS Wilmington, OH
NWS Wilmington, OH issued this flash flood warning at Dec 30, 1990, 9:25 AM EST for Morrow County, Ohio. It was in force for 3 hr.
The area
The counties it named.
The facts
- Issued
- Dec 30, 1990, 9:25 AM EST (14:25 UTC)
- Expired
- Dec 30, 1990, 12:30 PM EST
- In force
- 3 hr
- Issued by
- NWS Wilmington, OH
- Area
- Whole counties
County Morrow 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, 2.4 hours before the alert went out and 138 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
- 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
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KMFD 301427
FFWMFD
OHC117-301730-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM AND URBAN FLOOD WARNING
NATIONAL WEATHER SERVICE MANSFIELD OH
925 AM EST SUN DEC 30 1990
THE NATIONAL WEATHER SERVICE IN MANSFIELD HAS ISSUED A
SMALL STREAM AND URBAN FLOOD WARNING EFFECTIVE UNTIL 1230 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTH CENTRAL OHIO
...MORROW...
REMARKS...RAINFALL LAST NIGHT AND THIS MORNING HAS CAUSED STREAMS
AND CREEKS TO RISE NEAR OR ABOVE BANKFULL LEVELS.
A FLOOD WATCH REMAINS IN EFFECT FOR NORTH CENTRAL THROUGH THIS
AFTERNOON.
DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY. VEHICLES CAUGHT IN RISING WATER SHOULD BE ABANDONED QUICKLY.
MOVE TO HIGHER GROUND.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE
THE DANGE'RS 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.
DPWhat 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, 6:37 AM EST, 2 hours 48 minutes before
OHZ008-INZ013-KYZ005-301300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CINCINNATI OHIO 637 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... A VARIETY OF WEATHER IS IN STORE FOR THE TRI STATE TODAY. EARLY THIS MORNING RAIN WAS BEGINNING TO CHANGE TO FREEZING RAIN OVER WESTERN AND CENTRAL INDIANA AS ARCTIC AIR BEHIND A COLD FRONT...NOW LOCATED EAST OF THE TRI STATE...CONTINUED TO MOVE SLOWLY EAST OF THE AREA. AT 6 O'CLOCK THIS MORNING WEATHER SERVICE RADAR SHOWED A LARGE AREA OF RAIN THAT COVERED INDIANA...OHIO AND KENTUCKY. MOST OF THE SMALL STREAM AND URBAN FLOODING HAS OCCURRED OVER WEST CENTRAL AND THE NORTHERN ONE HALF OF OHIO. SINCE MIDNIGHT BUTLER COUNTY OF SOUTHWEST OHIO HAS RECEIVED NEARLY EIGHT-TENTHS OF AN INCH OF RAINFALL. OVER THE NEXT SEVERAL HOURS SMALL STREAMS MAY BEGIN TO SWELL AS WELL AS PONDING WATER OVER HIGHWAYS. IF YOU LIVE IN THIS AREA PLEASE REPORT HIGH WATER PROBLEMS 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 AS CHANGING WEATHER MAY REQUIRE FURTHER WARNINGS OR ADVISORIES CONCERNING RAIN...SLEET...FREEZING RAIN OR SNOW. MEDLIN
Special weather statement, Dec 30, 7:21 AM EST, 2 hours 4 minutes before
OHZ005-010-301420- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE DAYTON OH 720 AM EST SUN DEC 30 1990 ...FLOOD WATCH THIS MORNING... ...WINTER WEATHER ADVISORY TODAY... RAIN COVERS MOST OF OHIO AND INDIANA THIS MORNING AND HAS CAUSED CREEKS AND SMALL STREAMS TO OVERFLOW THEIR BANKS...FLOODING MANY ROADS OVER THE AREA. A COLD FRONT WHICH MOVED THROUGH WESTERN OHIO EARLY THIS MORNING IS PUSHING TO THE EAST AS VERY COLD AIR SPILLS DOWN OUT OF CANADA INTO THE MIDWEST. FREEZING RAIN AND SLEET HAVE STARTED IS WESTERN INDIANA WHILE SNOW IS BEING REPORTED IN ILLINOIS. THE COLDER AIR WILL MOVE INTO WESTERN OHIO LATER THIS MORNING CHANGING THE RAIN TO FREEZING RAIN THEN TO SNOW. THIS WILL PRODUCE HAZARDOUS DRIVING CONDITIONS ACROSS THE AREA THROUGH THE DAY AS UP TO 2 INCHES OF SNOW IS EXPECTED OVER WEST CENTRAL OHIO AND THE MIAMI VALLEY. SNOW WILL END LATE TONIGHT AS VERY COLD ARCTIC AIR SETTLES IN OVER THE MIDWEST FOR THE NEXT @SEVERAL DAYS. MS
The office that day
Everything else NWS Wilmington, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 29, 9:14 PM EST | Flash Flood Warning | ILN | Mercer, Van Wert | 3 hr |
| Dec 29, 9:36 PM EST | Flash Flood Warning | ILN | Darke | 3 hr |
| Dec 30, 12:01 AM EST | Flash Flood Warning | ILN | Auglaize | 3 hr |
| Dec 30, 12:29 AM EST | Flash Flood Warning | ILN | Darke, Mercer, Van Wert | 3 hr |
| Dec 30, 12:53 AM EST | Flash Flood Warning | ILN | Crawford, Morrow, Richland | 4 hr |
| Dec 30, 12:53 AM EST | Flash Flood Warning | ILN | Ashland | 4 hr |
| Dec 30, 3:16 AM EST | Flash Flood Warning | ILN | Auglaize, Darke, Mercer, Van Wert | 3 hr |
| Dec 30, 3:16 AM EST | Flash Flood Warning | ILN | Allen, Hardin, Logan | 3 hr |
| Dec 30, 5:07 AM EST | Flash Flood Warning | ILN | Ashland, Richland | 3 hr |
| Dec 30, 5:07 AM EST | Flash Flood Warning | ILN | Crawford, Morrow | 3 hr |
| Dec 30, 9:45 AM EST | Flash Flood Warning | ILN | Greene, Montgomery | 3 hr |
| Dec 30, 9:45 AM EST | Flash Flood Warning | ILN | Champaign | 3 hr |
| Dec 30, 10:17 AM EST | Flash Flood Warning | ILN | Butler | 3 hr |
| Dec 30, 1:08 PM EST | Flash Flood Warning | ILN | Butler | 4 hr |
| Dec 30, 2:53 PM EST | Flash Flood Warning | ILN | Clinton, Warren | 4 hr |
| Dec 30, 3:16 PM EST | Flash Flood Warning | ILN | Highland | 4 hr |
| Dec 30, 4:08 PM EST | Flash Flood Warning | ILN | Champaign, Clark, Logan, Miami, Shelby | 4 hr |
| Dec 30, 4:08 PM EST | Flash Flood Warning | ILN | Allen, Auglaize, Hardin | 4 hr |
| Dec 30, 4:08 PM EST | Flash Flood Warning | ILN | Darke, Mercer, Van Wert | 4 hr |
| Dec 30, 4:08 PM EST | Flash Flood Warning | ILN | Montgomery, Preble | 4 hr |
| Dec 30, 4:08 PM EST | Flash Flood Warning | ILN | Greene | 4 hr |
| Dec 30, 4:28 PM EST | Flash Flood Warning | ILN | Brown | 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.