Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 138, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Dec 31, 1990, 2:45 AM EST for Harrison County, Ohio. It was in force for 5 hr.
The area
The counties it named.
The facts
- Issued
- Dec 31, 1990, 2:45 AM EST (07:45 UTC)
- Expired
- Dec 31, 1990, 8:00 AM EST
- In force
- 5 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Harrison 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
Pittsburgh, PA (KPIT), launched 00:00Z, 7.8 hours before the alert went out and 85 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
- 573 m above ground
- 0-6 km bulk shear
- 81 kt
- 0-1 km storm-relative helicity
- 513 m²/s²
- 0-3 km storm-relative helicity
- 498 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 KCAK 310748 COR
FFWCAK
OHC031-059-067-075-157-019-151-169-111-121-167-311300-
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE AKRON OH
245 AM EST MON DEC 31 1990
THE NATIONAL WEATHER SERVICE IN AKRON HAS EXTENDED THE SMALL STREAM
FLOOD WARNING UNTIL 800 AM MONDAY MORNING FOR PEOPLE IN THE FOLLOWING
COUNTIES...
IN EAST CENTRAL OHIO
...COSHOCTON...GUERNSEY...HARRISON...HOLMES...TUSCARAWAS
IN NORTHEAST OHIO
...CARROLL...STARK...WAYNE
IN SOUTHEAST OHIO
...MONROE...NOBLE...WASHINGTON
A CHECK WITH LAW ENFORCEMENT OFFICIALS EARLY THIS MORNING INDICATED
NUMEROUS TOWNSHIP...COUNTY...AND STATE ROADS STILL FLOODED IN THE
WARNING AREAS. WITH RAINFALL NOW ENDED AND COLDER AIR SPILLING INTO THE
AREA MOST STREAMS HAVE CRESTED AND WILL BEGIN FALLING LATER
THIS MORNING. SOME STANDING WATER WILL REMAIN IN LOW LYING
AREAS ONCE THE STREAMS RETURN WITHIN THEIR BANKS.
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.
THOMPSON
...CORRECTED FOR DAY/DATE HEADING...What 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, 10:30 PM EST, 4 hours 15 minutes before
OHZALL-310600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 1030 PM EST SUN DEC 30 1990 AN URBAN AND SMALL STREAM FLOOD WARNING REMAINS IN EFFECT FOR A GOOD PART OF NORTH CENTRAL AND NORTHEAST OHIO UNTIL 530 AM EST. HEAVY RAINS THAT FELL OVER NORTHERN OHIO SATURDAY NIGHT AND SUNDAY... COMBINED WITH THE MELTED SNOW ALREADY COVERING A SATURATED GROUND HAVE COMBINED TO CAUSE EXTENSIVE RIVER... SMALL STREAM... AND URBAN FLOODING OVER MUCH OF NORTHERN OHIO. ALTHOUGH THE HEAVY RAIN HAS ENDED THE WATER WILL CONTINUE TO RUN OFF INTO THE STREAMS AND RIVERS PROLONGING THE FLOODING THROUGH TONIGHT... AND IN THE MAJOR RIVERS FOR THE NEXT COUPLE OF DAYS IN SOME CASES. COLDER AIR WAS MOVING ACROSS THE STATE... AND WITH THIS COMES ANOTHER THREAT. THE CHANGE OVER FROM RAIN TO SNOW WAS OCCURRING WITH PERIODS OF SLEET AND FREEZING RAIN. THIS WILL CAUSE SOME ROADS TO BECOME SLICK... ESPECIALLY BIDGES AND ENTRANCE AND EXIT RAMPS. IN ADDITION TO THE FREEZING PRECIPITATION... WATER ALREADY PONDED ON TO SOME ROADS MAY BEGIN TO FREEZE OVER TONIGHT. MOTORISTS TRAVELING OVER NORTHERN OHIO ROADS SHOULD BE EXTRA CAREFUL TONIGHT. THE SNOW WILL TAPER TO FLURRIES AND END IN MOST AREAS BY DAYBREAK MONDAY. THE SNOW SHOULDN/T ACCUMULATE IN MOST AREAS...BUT ISOLATED SPOTS COULD PICK UP AN INCH OR LESS BEFORE ENDING. VRCEK
Special weather statement, Dec 30, 10:33 PM EST, 4 hours 12 minutes before
OHZ004-PAZ003-310600- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE YOUNGSTOWN OH 1033 PM EST SUN DEC 30 1990 TRAVEL COULD BECOME HAZARDOUS OVERNIGHT ACROSS THE MAHONING AND SHENANGO VALLEYS. FREEZING DRIZZLE HAS BEEN FALLING OFF AND ON FOR THE PAST HOUR ACROSS PORTIONS OF NORTHEAST OHIO AND WESTERN PENNSYLVANIA. WITH ROADWAYS ALREADY WET FROM THE RAIN WHICH FELL EARLIER TODAY THE FREEZING PRECIPITATION COULD MAKE THEM VERY SLIPPERY. MOTORISTS SHOULD USE EXTREME CAUTION WHEN TRAVELING TONIGHT. BRIDGES AND UNDERPASSES MAY BE THE FIRST TO FREEZE OVER. DOXEY
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 30, 10:13 PM EST | Flash Flood Warning | CLE | Putnam | 4 hr |
| Dec 30, 10:38 PM EST | Flash Flood Warning | CLE | Monroe, Noble, Washington | 4 hr |
| Dec 30, 10:38 PM EST | Flash Flood Warning | CLE | Holmes, Stark, Wayne | 4 hr |
| Dec 30, 10:38 PM EST | Flash Flood Warning | CLE | Carroll, Harrison, Tuscarawas | 4 hr |
| Dec 30, 10:38 PM EST | Flash Flood Warning | CLE | Coshocton, Guernsey | 4 hr |
| Dec 31, 2:20 AM EST | Flash Flood Warning | CLE | Putnam | 4 hr |
| Dec 31, 2:45 AM EST | Flash Flood Warning | CLE | Carroll, Holmes, Stark, Tuscarawas, Wayne | 5 hr |
| Dec 31, 2:45 AM EST | Flash Flood Warning | CLE | Guernsey, Monroe, Noble, Washington | 5 hr |
| Dec 31, 2:45 AM EST | Flash Flood Warning | CLE | Coshocton | 5 hr |
| Dec 31, 5:04 AM EST | Flash Flood Warning | CLE | Trumbull | 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.