Alert archive / Ohio / Flash Flood Warnings in 1990
Flash Flood Warning 41, NWS Cleveland, OH
NWS Cleveland, OH issued this flash flood warning at Jul 15, 1990, 9:09 AM EDT for Mahoning County, Trumbull County, Ohio. It was in force for 4 hr.
The area
The counties it named.
The facts
- Issued
- Jul 15, 1990, 9:09 AM EDT (13:09 UTC)
- Expired
- Jul 15, 1990, 1:15 PM EDT
- In force
- 4 hr
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Mahoning County, OH, Trumbull 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 12:00Z, 1.2 hours before the alert went out and 101 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
- 31 J/kg
- Mixed-layer CIN
- -44 J/kg
- Mixed-layer LCL
- 687 m above ground
- 0-6 km bulk shear
- 25 kt
- 0-1 km storm-relative helicity
- -39 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.1
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KYNG 151309
FFWYNG
OHC155-099-151715-
BULLETIN - IMMEDIATE BROADCAST REQUESTED/EBS ACTIVATION REQUESTED
URBAN AND SMALL STREAM FLOOD WARNING
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
909 AM EDT SUN JUL 15 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A URBAN AND SMALL
STREAM FLOOD WARNING EFFECTIVE UNTIL 115 PM EDT FOR PEOPLE IN
THE FOLLOWING COUNTIES
IN THE NORTHEAST PART OF OHIO
TRUMBULL...MAHONING
AT 910 AM EDT MANY ROADS REMAINED CLOSED ACROSS PORTIONS OF
TRUMBULL AND MAHONING COUNTIES IN NORTHEAST OHIO. THE OFF RAMP
FROM I-80 TO ROUTE 762 IN HUBBARD TOWNSHIP IS CLOSED DUE TO HIGH
WATER. ROUTE 62 ALSO IS CLOSED IN HUBBARD DUE TO BRIDGE WASHOUT.
ROUTE 224 BETWEEN ROUTE 7 AND GLENWOOD AVENUE IS CLOSED DUE TO
HIGH WATER. THE GRAND RIVER AT ROUTES 87 AND 534 IS EXPECTED TO
RISE ABOVE ITS BANKS LATER THIS MORNING.
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.
AT 901 AM EDT WEATHER SERVICE RADAR INDICATED SCATTERED AREAS OF
LIGHT RAIN ACROSS EASTERN OHIO AND WESTERN PENNSYLVANIA. THE RAIN
WAS MOVING NORTHEAST AT 25 MILES PER HOUR.
DOXEYThe office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 14, 9:19 PM EDT | Flash Flood Warning | CLE | Jefferson | 3 hr |
| Jul 14, 10:33 PM EDT | Flash Flood Warning | CLE | Columbiana, Mahoning, Trumbull | 3 hr |
| Jul 15, 12:12 AM EDT | Flash Flood Warning | CLE | Jefferson | 2 hr |
| Jul 15, 1:33 AM EDT | Flash Flood Warning | CLE | Columbiana | 57 min |
| Jul 15, 2:31 AM EDT | Flash Flood Warning | CLE | Columbiana | 4 hr |
| Jul 15, 2:45 AM EDT | Flash Flood Warning | CLE | Jefferson | 3 hr |
| Jul 15, 3:10 AM EDT | Flash Flood Warning | CLE | Mahoning | 3 hr |
| Jul 15, 6:31 AM EDT | Flash Flood Warning | CLE | Columbiana | 59 min |
| Jul 15, 12:03 PM EDT | Flash Flood Warning | CLE | Belmont, Harrison, Jefferson | 4 hr |
| Jul 15, 12:03 PM EDT | Flash Flood Warning | CLE | Carroll | 4 hr |
| Jul 15, 12:36 PM EDT | Flash Flood Warning | CLE | Columbiana | 2 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.