Alert archive / Ohio / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 109, NWS Cleveland, OH
NWS Cleveland, OH issued this severe thunderstorm warning at Sep 6, 1990, 8:40 PM EDT for Portage County, Summit County, Ohio. It was in force for 65 min.
The area
The counties it named.
The facts
- Issued
- Sep 6, 1990, 8:40 PM EDT (00:40 UTC)
- Expired
- Sep 6, 1990, 9:45 PM EDT
- In force
- 65 min
- Issued by
- NWS Cleveland, OH
- Area
- Whole counties
Counties Portage County, OH, Summit 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, 0.7 hours before the alert went out and 134 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
- 62 J/kg
- Mixed-layer CIN
- -179 J/kg
- Mixed-layer LCL
- 1475 m above ground
- 0-6 km bulk shear
- 37 kt
- 0-1 km storm-relative helicity
- 107 m²/s²
- 0-3 km storm-relative helicity
- 165 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 KCAK 070040
SVRCAK
OHC133-153-070145-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
840 PM EDT THU SEP 6 1990
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL 945 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTIES...
IN NORTHEAST OHIO
...PORTAGE...SUMMIT
AT 835 PM EDT RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM NEAR
BOSTON HEIGHTS OHIO MOVING TOWARDS TWINSBURG. THE STORM IS MOVING
EASTSOUTHEAST AT 35 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, Sep 6, 5:44 PM EDT, 2 hours 56 minutes before
OHZALL-062300- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 543 PM EDT THU SEP 6 1990 A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR MOST OF THE EASTERN THIRD OF OHIO UNTIL 8 PM. AT 530 PM WEATHER SERVICE RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS OVER EAST CENTRAL OHIO. THE HEAVIEST STORMS WERE LOCATED OVER HARRISON AND SOUTHERN JEFFERSON COUNTIES. THE STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR AND WILL MOVE ACROSS EASTERN BELMONT COUNTY BY 640 PM. AN ISOLATED THUNDERSTORM WAS OVER SOUTHERN LORAIN COUNTY... WHILE MORE SHOWERS AND THUNDERSTORMS WERE DEVELOPING OVER SOUTHEASTERN MICHIGAN. THESE STORMS WERE MOVING EAST AT AROUND 30 MILES AN HOUR. THE THUNDERSTORMS THAT AFFECT OHIO THIS EVENING WILL BE CAPABLE OF CAUSING DAMAGING WINDS... LARGE HAIL... AND HEAVY DOWNPOURS. PEOPLE SHOULD REMAIN ALERT FOR SUCH CONDITIONS AND BE READY TO GO TO A PLACE OF SAFETY IF THREATING WEATHER APPROACHES. HILTBRAND
Local storm report, Sep 6, 6:16 PM EDT, 2 hours 24 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ERIE, PA
615 PM EDT THU SEP 06 1990
STORM REPORT FOR THURSDAY SEPTEMBER 6, 1990
TIME EDT EVENT
=====================================================================
330 PM EDT POWER LINES DOWN NEAR CRANESVILLE IN ERIE CO PA.
345 PM EDT POWER LINES DOWN NEAR LINESVILLE IN CRAWFORD CO PA.
354 PM EDT SKYWARN OBSERVER REPORTED 1.25 INCHES OF RAIN IN
15 MIN AT LINESVILLE IN CRAWFORD CO PA.
405 PM EDT POWER LINES AND LARGE TREES DOWN ON PARK AVE IN
MEADVILLE IN CRAWFORD CO PA. BY EMA AND SKYWARN.
ALSO SOME STREET FLOODING.
415 PM EDT 1.75 INCHES OF RAIN IN 30 MIN AT LINESVILLE PA.
425 PM EDT ESTIMATED WINDS IN EXCESS OF 50 MPH WITH POWER LINES
DOWN AT FRENCH TOWN IN CRAWFORD CO PA. ALSO LARGE
TREES.
425 PM EDT LARGE TREES DOWN...POWER LINES DOWN AND STREET
FLOODING IN DOWNTOWN MEADVILLE IN CRAWFORD CO PA.
530 PM EDT POWER LINES DOWN...ALSO SOME TREES...NEAR FRANKLIN IN
VENANGO CO PA.
RRSpecial weather statement, Sep 6, 6:47 PM EDT, 1 hour 53 minutes before
OHZALL-070000- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 645 PM EDT THU SEP 6 1990 A SEVERE THUNDERSTORM WATCH CONTINUES IN EFFECT FOR MUCH OF THE EASTERN THIRD OF OHIO UNTIL 8 PM. AT 640 PM WEATHER SERVICE RADAR SHOWED SCATTERED SHOWERS AND THUNDERSTORMS... WITH VERY HEAVY RAINS... OVER EAST CENTRAL OHIO. THE STORMS WERE LOCATED OVER BELMONT... SOUTHERN GUERNSEY... NORTHERN NOBLE AND SOUTHERN MUSKINGUM COUNTIES. THE STORMS WERE MOVING SOUTHEAST AT 20 MILES AN HOUR AND WILL MOVE INTO MORGAN AND SOUTHERN NOBLE COUNTIES BETWEEN 640 AND 740 PM. NUMEROUS SHOWERS AND THUNDERSTORMS WERE LOCATED OVER WESTERN LAKE ERIE... TO THE NORTHWEST OF CLEVELAND. THESE SHOWERS AND THUNDERSTORMS WERE MOVING EAST AT 30 MILES AN HOUR. THE THUNDERSTORMS AFFECTING OHIO THIS EVENING WILL BE CAPABLE OF CAUSING DAMAGING WINDS... LARGE HAIL... AND HEAVY DOWNPOURS. PEOPLE SHOULD REMAIN ALERT FOR SUCH CONDITIONS AND BE READY TO GO TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. HILTBRAND
Special weather statement, Sep 6, 7:22 PM EDT, 1 hour 18 minutes before
PAZ001-070100 SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE ERIE, PA 716 PM EDT THU SEP 06 1990 ...MORE THUNDERSTORMS HEADING TOWARD THE PENNSYLVANIA LAKESHORE... AT 715 PM EDT WEATHER RADAR SHOWED A LINE OF THUNDERSTORMS ABOUT 15 MILES NORTH OF THE PENNSYLVANIA LAKESHORE. THE LINE OF THUNDERSTORMS WAS MOVING TO THE SOUTHEAST AT 35 MILES AN HOUR AND SHOULD REACH THE LAKESHORE AREA BY 745 PM EDT. AS THESE STORMS MOVE INTO ERIE COUNTY THEtY WILL PRODUCE HEAVY RAIN...DANGEROUS LIGHTNING AND POSSIBLE WIND GUSTS TO 50 MILES AN HOUR. BOATERS ON LAKE ERIE SHOULD SEEK SAFE HARBOR IMMEDIATELY. TJP/RR
Special weather statement, Sep 6, 7:41 PM EDT, 59 minutes before
OHZALL-070100- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CLEVELAND OH 740 PM EDT THU SEP 6 1990 A TORNADO WATCH HAS BEEN ISSUED FOR MUCH NORTH CENTRAL AND NORTHEASTERN OHIO UNTIL 1 AM FRIDAY. THE SEVERE THUNDERSTORM WATCH FOR THE EASTERN THIRD OF OHIO WILL EXPIRE AT 8 PM. SOME OF THE CITIES IN THE TORNADO WATCH ARE AKRON... CANTON... CLEVELAND... MANSFIELD... SANDUSKY... AND YOUNGSTOWN. AT 735 PM CLEVELAND WEATHER RADAR INDICATED NUMEROUS SHOWERS AND THUNDERSTORMS OVER THE WESTERN HALF OF LAKE ERIE. THE STORMS ARE MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE INTO THE LAKESHORE COUNTIES FROM SANDUSKY EASTWARD BETWEEN 8 AND 830 PM. THE THUNDERSTORMS AFFECTING OHIO THIS EVENING WILL BE CAPABLE OF CAUSING TORNADOES... DAMAGING WINDS... LARGE HAIL... AND HEAVY DOWNPOURS. PEOPLE SHOULD REMAIN ALERT FOR SUCH CONDITIONS AND BE READY TO GO TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES OR A WARNING IS ISSUED. ;HILTBRAND
Special weather statement, Sep 6, 8:03 PM EDT, 37 minutes before
OHZ006-011-070200- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE MANSFIELD OH 805 PM EDT THU SEP 6 1990 ...A TORNADO WATCH IS IN EFFECT UNTIL 1AM EDT FRI. AT 8 PM WEATHER SERVICE RADAR SHOWED STRONG THUNDERSTORMS OVER EXTREME SOUTHERN CRAWFORD COUNTY AND EXTREME NORTHERN ASHLAND COUNTY. THEY WERE MOVING SOUTHEAST AT 30 MPH. THE THUNDERSTORMS OVER SOUTHERN CRAWFORD COUNTY WILL MOVE ACROSS MORROW COUNTY BETWEEN 805 AND 9 PM EDT. THE THUNDERSTORMS OVER ASHLAND COUNTY WILL MOVE ACROSS NORTHERN ASHLAND COUNTY DURING THE NEXT HOUR AND EXIT BY ABOUT 9 PM EDT. THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING WINDS. IF THREATENING WXEATHER APPROACHES SEEK SAFE SHELTER IMMEDIATELY. BANYAS
The office that day
Everything else NWS Cleveland, OH issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 6, 8:04 PM EDT | Severe Thunderstorm Warning | CLE | Geauga, Lake | 56 min |
| Sep 6, 8:17 PM EDT | Severe Thunderstorm Warning | CLE | Columbiana, Mahoning | 58 min |
| Sep 6, 9:18 PM EDT | Severe Thunderstorm Warning | CLE | Mahoning | 87 min |
| Sep 6, 9:18 PM EDT | Severe Thunderstorm Warning | CLE | Trumbull | 54 min |
| Sep 6, 9:23 PM EDT | Severe Thunderstorm Warning | CLE | Stark | 67 min |
| Sep 6, 9:59 PM EDT | Severe Thunderstorm Warning | CLE | Columbiana | 61 min |
| Sep 7, 12:09 AM EDT | Flash Flood Warning | CLE | Harrison, Jefferson | 4 hr |
| Sep 7, 12:17 AM EDT | Severe Thunderstorm Warning | CLE | Portage, Summit | 43 min |
| Sep 7, 12:28 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 2 hr |
| Sep 7, 12:35 AM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
| Sep 7, 1:11 AM EDT | Flash Flood Warning | CLE | Medina | 2 hr |
| Sep 7, 2:06 AM EDT | Flash Flood Warning | CLE | Jefferson | 3 hr |
| Sep 7, 3:53 AM EDT | Flash Flood Warning | CLE | Cuyahoga, Lorain | 3 hr |
| Sep 7, 4:26 AM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
| Sep 7, 5:10 AM EDT | Flash Flood Warning | CLE | Jefferson | 7 hr |
| Sep 7, 6:55 AM EDT | Flash Flood Warning | CLE | Cuyahoga | 3 hr |
| Sep 7, 8:22 AM EDT | Flash Flood Warning | CLE | Portage, Stark, Summit | 4 hr |
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; the sounding from the Mesonet's radiosonde archive.