Alert archive / Ohio / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 70, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Aug 18, 1990, 8:30 PM EDT for Washington County, Ohio. It was in force for 60 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Aug 18, 1990, 8:30 PM EDT (00:30 UTC)
- Expired
- Aug 18, 1990, 9:30 PM EDT
- In force
- 60 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
County Washington County, OH
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Aug 18, 9:00 PM EDT | Thunderstorm Wind 0 | Washington, OH |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Huntington/Tri S, WV (KHTS), launched 00:00Z, 0.5 hours before the alert went out and 149 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
- 1860 J/kg
- Mixed-layer CIN
- -5 J/kg
- Mixed-layer LCL
- 1097 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 65 m²/s²
- 0-3 km storm-relative helicity
- 128 m²/s²
- Significant tornado parameter
- 0.6
- Supercell composite
- 4.2
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KCAK 190030
SVRCAK
OHC167-190130-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
830 PM EDT P AUG 18 1990
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 930 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
IN SOUTHEAST OHIO
...WASHINGTON
WEATHER RADAR SHOWED A SEVERE THUNDERSTORM IN NORTHWEST WASHINGTON
COUNTY MOVING SOUTHEAST AT 30 MPH.
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR
OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.What forecasters said that day
The local office's own words before this severe thunderstorm 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, Aug 18, 7:14 PM EDT, 1 hour 16 minutes before
OHZ004-007-190100-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
714 PM EDT SAT AUG 18 1990
THUNDERSTORMS WITH TORRENTIAL DOWNPOURS WERE MOVING THROUGH PARTS
OF EAST CENTRAL OHIO THIS EVENING.
AT 7PM... WEATHER RADAR SHOWED A CLUSTER OF THUNDERSTORMS BETWEEN
NEW PHILADELPHIA IN TUSCARAWAS COUNTY TO NEAR CAMBRIDGE IN GUERNSEY
COUNTY. HEAVY RAIN WAS ALSO OCCURRING ALONG THE COSHOCTON COUNTY
MUSKINGUM COUNTY LINE NEAR WILLS CREEK.
BRIEF VERY HEAVY RAIN CAN BE EXPECTED AS THE THUNDERSTORMS MOVE
SOUTHEAST AT 30 MPH. MOTORISTS MAY NEED TO PULL TO THE SIDE OF THE
ROAD AND WAIT WHILE THE HEAVY RAIN PASSES.
NIBERT {The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 3:04 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain, Medina | 116 min |
| Aug 19, 3:39 AM EDT | Flash Flood Warning | CLE | Stark, Summit | 3 hr |
| Aug 19, 6:34 AM EDT | Severe Thunderstorm Warning | CLE | Erie | 56 min |
| Aug 19, 2:26 PM EDT | Severe Thunderstorm Warning | CLE | Wyandot | 34 min |
| Aug 19, 3:38 PM EDT | Severe Thunderstorm Warning | CLE | Stark, Wayne | 67 min |
| Aug 19, 4:12 PM EDT | Severe Thunderstorm Warning | CLE | Holmes, Tuscarawas | 63 min |
| Aug 19, 4:17 PM EDT | Severe Thunderstorm Warning | CLE | Coshocton | 58 min |
| Aug 19, 4:58 PM EDT | Severe Thunderstorm Warning | CLE | Guernsey | 62 min |
| Aug 19, 6:08 PM EDT | Severe Thunderstorm Warning | CLE | Washington | 67 min |
Nearby
Severe Thunderstorm Warnings in Ohio, 1990Every severe thunderstorm 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; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.