Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 112, NWS Cleveland, OH

September 6, 1990Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 6, 1990, 9:18 PM EDT for Trumbull County, Ohio. It was in force for 54 min.

The area

The counties it named.

The facts

Issued
Sep 6, 1990, 9:18 PM EDT (01:18 UTC)
Expired
Sep 6, 1990, 10:12 PM EDT
In force
54 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County 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 00:00Z, 1.3 hours before the alert went out and 115 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, Pittsburgh, PA at 00:00Z on 1990-09-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 62 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 00:00Z on 1990-09-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 107 square meters per square second.193958Sfc1 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
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

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KYNG 070118
SVRYNG
OHC155-099-PAC073-070245-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
918 PM EDT THU SEP 6 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 1045 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF OHIO
      TRUMBULL...MAHONING...

   IN THE WEST PART OF PENNSYLVANIA
      LAWRENCE...

AT 915 PM A SEVERE THUNDERSTORM WAS LOCATED OVER WARREN IN TRUMBULL
COUNTY.  THE WARREN POLICE DEPARTMENT REPORTED LARGE TREE LIMBS
DOWN IN THE CITY OF WARREN.

THE THUNDERSTORM WAS PART OF A LINE OF THUNDERSTORMS MOVING
SOUTHEAST AT 25 MPH.

SEVERE THUNDERSTORMS PRODUCE DAMAGING WINDS 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 ROADWAYS QUICKLY...
AVOID DRIVING INTO AREAS WHERE WATER COVERS THE ROAD.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE WARNED AREA.  REMEMBER...
SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES
WITH LITTLE OR NO ADVANCE WARNING.  REMAIN CALM BUT BE ALERT TO
RAPIDLY CHANGING WEATHER CONDITIONS.

 DOXEY

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, 6:47 PM EDT, 2 hours 31 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 56 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, 1 hour 37 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, 1 hour 15 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
Special weather statement, Sep 6, 8:51 PM EDT, 27 minutes before
OHZALL-070200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
850 PM EDT THU SEP 6 1990

A TORNADO WATCH CONTINUES IN EFFECT FOR MUCH NORTH CENTRAL AND
NORTHEASTERN OHIO UNTIL 1 AM FRIDAY.

SOME OF THE CITIES IN THE TORNADO WATCH ARE AKRON... CANTON...
CLEVELAND... MANSFIELD... SANDUSKY... AND YOUNGSTOWN.

AT 840 PM CLEVELAND WEATHER RADAR INDICATED NUMEROUS SHOWERS AND
THUNDERSTORMS OVER NORTHEAST OHIO AND THE ADJOINING WATERS OF LAKE
ERIE. THE LEADING EDGE OF THE STORMS EXTENDED FROM NEAR MANSFIELD
THROUGH AKRON AND CANTON TO YOUNGSTOWN. THE THUNDERSTORMS WERE MOVING
SOUTHEAST AT 30 MILES AN HOUR.

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, 9:10 PM EDT, 8 minutes before
OHZ006-011-070300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
910 PM EDT THU SEP 6 1990

...A TORNADO  WATCH IS IN EFFECT UNTIL 1AM EDT FRI.

AT 905 PM WEATHER SERVICE RADAR SHOWED THUNDERSTORMS OVER SOUTHEAST
RICHLAND...SOUTHERN MORROW AND SOUTHERN KNOX COUNTIES MOVING
SOUTHEAST AT 30 MPH. ONE THUNDERSTORM WAS EXITING SOUTHEAST ASHLAND
COUNTY AT 910 PM EDT.

THE HEAVIEST THUNDERSTORM WAS OVER SOUTHEAST RICHLAND COUNTY MOVING
INTO SOUTHERN ASHLAND COUNTY AT 910 PM EDT.

THESE THUNDERSTORMS ARE CAPABLE OF PRODUCING DAMAGING WINDS AND LARGE
HAIL.

IF THREATENING WEATHER APPROACHES SEEK SAFE SHELTER IMMEDIATELY.

BANYAS

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 6, 8:04 PM EDTSevere Thunderstorm WarningCLEGeauga, Lake56 min
Sep 6, 8:17 PM EDTSevere Thunderstorm WarningCLEColumbiana, Mahoning58 min
Sep 6, 8:40 PM EDTSevere Thunderstorm WarningCLEPortage, Summit65 min
Sep 6, 9:18 PM EDTSevere Thunderstorm WarningCLEMahoning87 min
Sep 6, 9:23 PM EDTSevere Thunderstorm WarningCLEStark67 min
Sep 6, 9:59 PM EDTSevere Thunderstorm WarningCLEColumbiana61 min
Sep 7, 12:09 AM EDTFlash Flood WarningCLEHarrison, Jefferson4 hr
Sep 7, 12:17 AM EDTSevere Thunderstorm WarningCLEPortage, Summit43 min
Sep 7, 12:28 AM EDTFlash Flood WarningCLECuyahoga, Lorain2 hr
Sep 7, 12:35 AM EDTFlash Flood WarningCLEPortage, Stark, Summit4 hr
Sep 7, 1:11 AM EDTFlash Flood WarningCLEMedina2 hr
Sep 7, 2:06 AM EDTFlash Flood WarningCLEJefferson3 hr
Sep 7, 3:53 AM EDTFlash Flood WarningCLECuyahoga, Lorain3 hr
Sep 7, 4:26 AM EDTFlash Flood WarningCLEPortage, Stark, Summit4 hr
Sep 7, 5:10 AM EDTFlash Flood WarningCLEJefferson7 hr
Sep 7, 6:55 AM EDTFlash Flood WarningCLECuyahoga3 hr
Sep 7, 8:22 AM EDTFlash Flood WarningCLEPortage, Stark, Summit4 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.