Alert archive / Ohio / Flash Flood Warnings in 1990

Flash Flood Warning 134, NWS Cleveland, OH

December 31, 1990Putnam County, Ohio

NWS Cleveland, OH issued this flash flood warning at Dec 31, 1990, 2:20 AM EST for Putnam County, Ohio. It was in force for 4 hr.

The area

The counties it named.

The facts

Issued
Dec 31, 1990, 2:20 AM EST (07:20 UTC)
Expired
Dec 31, 1990, 6:15 AM EST
In force
4 hr
Issued by
NWS Cleveland, OH
Area
Whole counties

County Putnam 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, 7.3 hours before the alert went out and 125 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.

Skew-T log-pSkew-T log-p diagram, Dayton/James M C, OH at 00:00Z on 1990-12-31Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Dayton/James M C, OH at 00:00Z on 1990-12-31The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -76 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
1 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
526 m above ground
0-6 km bulk shear
85 kt
0-1 km storm-relative helicity
-76 m²/s²
0-3 km storm-relative helicity
334 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KTOL 310721
FFWTOL
OHC137-311115-
 
BULLETIN - EBS ACTIVATION REQUESTED
SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE TOLEDO OH
220 AM EST MON DEC 31 1990
 
THE NATIONAL WEATHER SERVICE IN TOLEDO HAS CONTINUED A
SMALL STREAM  FLOOD WARNING EFFECTIVE UNTIL 1030 AM EST
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHWEST OHIO
          ...PUTNAM
 
SMALL STREAMS WILL REMAIN OUT OF THEIR BANKS THROUGH MID MORNING IN
PUTNAM COUNTY. MANY ROADS REMAIN CLOSED ALONG STREAMS AND RIVERS...
ESPECIALLY ALONG THE OTTAWA RIVER AND SUGAR CREEK.
 
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.
 
RAR

The office that day

Everything else NWS Cleveland, OH issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Dec 30, 10:13 PM ESTFlash Flood WarningCLEPutnam4 hr
Dec 30, 10:38 PM ESTFlash Flood WarningCLEMonroe, Noble, Washington4 hr
Dec 30, 10:38 PM ESTFlash Flood WarningCLEHolmes, Stark, Wayne4 hr
Dec 30, 10:38 PM ESTFlash Flood WarningCLECarroll, Harrison, Tuscarawas4 hr
Dec 30, 10:38 PM ESTFlash Flood WarningCLECoshocton, Guernsey4 hr
Dec 31, 2:45 AM ESTFlash Flood WarningCLECarroll, Holmes, Stark, Tuscarawas, Wayne5 hr
Dec 31, 2:45 AM ESTFlash Flood WarningCLEGuernsey, Monroe, Noble, Washington5 hr
Dec 31, 2:45 AM ESTFlash Flood WarningCLECoshocton5 hr
Dec 31, 2:45 AM ESTFlash Flood WarningCLEHarrison5 hr
Dec 31, 5:04 AM ESTFlash Flood WarningCLETrumbull3 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.