Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 121, NWS Cleveland, OH

September 14, 1990Mahoning County, Trumbull County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Sep 14, 1990, 6:18 PM EDT for Mahoning County, Trumbull County, Ohio. It was in force for 57 min. 2 reports 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
Sep 14, 1990, 6:18 PM EDT (22:18 UTC)
Expired
Sep 14, 1990, 7:15 PM EDT
In force
57 min
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.

What was reported inside it

TimeReportWhereRemark
Sep 14, 6:46 PM EDTThunderstorm Wind 0Trumbull, OH
Sep 14, 7:20 PM EDTThunderstorm Wind 0Mahoning, 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

Pittsburgh, PA (KPIT), launched 12:00Z, 10.3 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.

Skew-T log-pSkew-T log-p diagram, Pittsburgh, PA at 12:00Z on 1990-09-14Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 148 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 12:00Z on 1990-09-14The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 61 square meters per square second.1939Sfc1 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
148 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
568 m above ground
0-6 km bulk shear
20 kt
0-1 km storm-relative helicity
61 m²/s²
0-3 km storm-relative helicity
98 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 KYNG 142218
SVRYNG
OHC155-099-142315-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING 
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
618 PM EDT FRI SEP 14 1990

THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM 
WARNING EFFECTIVE UNTIL 715 PM EDT FOR PEOPLE IN THE FOLLOWING 
COUNTIES

   IN THE NORTHEAST PART OF OHIO
      TRUMBULL...MAHONING

AT 615 PM A LINE OF POSSIBLE SEVERE THUNDERSTORMS WAS LOCATED
FROM NORTHWEST TRUMBULL COUNTY TO JUST WEST OF MAHONING COUNTY.
THIS LINE WAS MOVING EAST AT 40 MPH.

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 14, 2:44 PM EDT, 3 hours 34 minutes before
OHZALL-142000-

SPECIAL WEATHER STATEMENT...CORRECTED
NATIONAL WEATHER SERVICE CLEVELAND OH
245 PM EDT FRI SEP 14 1990

A TORNADO WATCH REMAINS IN EFFECT FOR MUCH OF NORTHERN AND WESTERN OHIO
UNTIL 6 PM.

MAJOR CITIES IN THE WATCH AREA INCLUDE CLEVELAND... DAYTON...
FINDLAY... LIMA... MANSFIELD... SANDUSKY... AND TOLEDO.

AT 230 PM RADAR SHOWED NUMEROUS SHOWERS AND THUNDERSTORMS SCATTERED
OVER OHIO. THE STRONGEST STORMS WERE IN A LINE THAT WENT FROM ABOUT 20
MILES WEST OF DOWNTOWN TOLEDO TO THE OHIO-INDIANA BORDER ABOUT 40 MILES
SOUTHWEST OF LIMA.

THE LINE WAS MOVING EAST AT 35 MPH... OR SLIGHTLY SLOWER THAN EARLIER
THE AFTERNOON. IF IT MAINTAINS THIS COURSE... BY 4 PM IT WILL BE FROM
NEAR SANDUSKY TO NEAR DAYTON.
<
NO SEVERE WEATHER HAD BEEN REPORTED TO THE WEATHER SERVICE IN OHIO AS
OF 240 PM. HOWEVER THE THUNDERSTORMS THAT WILL STRIKE THIS AFTERNOON
COULD BRING HIGH WINDS... LARGE HAIL... AND EVEN TORNADOES. PEOPLE IN
THE] WATCH AREA SHOULD HAVE A PLACE OF SAFETY IN MIND IN CASE THE
WEATHER BECOMES THREATENING.

KWIATKOWSKI

CORRECTED WORDING OF TIMING IN LAST PARAGRAPH
Special weather statement, Sep 14, 3:08 PM EDT, 3 hours 10 minutes before
OHZ006-011-142100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
305 PM EDT FRI SEP 14 1990

...A TORNADO WATCH IS IN EFFECT UNTIL 6PM EDT...

AT 300 PM WEATHER SERVICE RADAR SHOWED SCATTERED THUNDERSTORMS OVER
NORTH CENTRAL OHIO AND A LINE OF THUNDERSTORMS FROM TOLEDO TO ABOUT
LIMA OHIO. THE THUNDERSTORMS WERE MOVING EAST AT 30 MPH. THE MOVEMENT
OF THE THUNDERSTORMS HAS SLOWED SOMEWHAT DURING THE PAST HOUR.

AT THE PRESENT RATE OF MOVEMENT THE LINE OF THUNDERSTORMS WILL EXTEND
FROM SANDUSKY...MANSFIELD...TO DAYTON OHIO BY 4PM.

SOME OF THESE THUNDERSTORMS WERE PRODUCING HIGH WINDS OVER NORTHWEST
AND WEST CENTRAL OHIO THIS AFTERNOON.

IF THREATENING WEATHER APPROACHES GO TO SAFE SHELTER IMMEDIATELY.

BANYAS
Special weather statement, Sep 14, 3:50 PM EDT, 2 hours 28 minutes before
OHZALL-142100-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CLEVELAND OH
350 PM EDT FRI SEP 14 1990

A TORNADO WATCH HAS BEEN ISSUED FOR MUCH OF SOUTHERN AND EASTERN OHIO
UNTIL 10 PM. A TORNADO WATCH CONTINUES FOR NORTHWEST OHIO UNTIL 6 PM.

MAJOR CITIES WHERE A WATCH IS IN EFFECT UNTIL 10 PM INCLUDE AKRON...
CANTON... CINCINNATI... CLEVELAND... COLUMBUS... DAYTON... MANSFIELD...
AND ZANESVILLE.

MAJOR CITIES WHERE A WATCH IS IN EFFECT UNTIL 6 PM INCLUDE FINDLAY...
LIMA... SANDUSKY... AND TOLEDO.

AT 340 PM RADAR SHOWED A LINE OF THUNDERSTORMS FROM ABOUT 20 MILES EAST
OF TOLEDO TO ABOUT 30 MILES NORTHWEST OF CINCINNATI. THE LINE WAS
MOVING SOUTHEAST AT 40 MPH. IF IT KEEPS THIS COURSE IT WILL BE FROM
NEAR CLEVELAND TO THE EASTERN SUBURBS OF CINCINNATI BY 5 PM.
<
THE BEST CHANCE OF SEVERE WEATHER IN OHIO TODAY WILL BE FROM STORMS IN
THIS LINE. HOWEVER OTHER SHOWERS AND THUNDERSTORMS WERE SCATTERED OVER
OHIO THIS AFTERNOON... AND SOME OF THEM COULD PRODUCE SEVERE WEATHER
ALSO.

NO SEVERE WEATHER HAD BEEN REPORTED TO THE WEATHER SERVICE IN OHIO AS
OF 345 PM. HOWEVER THE THUNDERSTORMS THAT WILL STRIKE THIS AFTERNOON
COULD BRING HIGH WINDS... LARGE HAIL... AND EVEN TORNADOES. HEAVY RAIN
IS ALSO POSSIBLE. AN OBSEVER AT MONTPELIER IN WILLIAMS COUNTY REPORTED
OVER AN INCH OF RAIN /1.09/ IN AN HOUR AS STORMS PASSED EARLIER THIS
AFTERNOON.

PEOPLE IN THE WATCH AREA SHOULD HAVE A PLACE OF SAFETY IN MIND IF THE
WEATHER BECOMES THREATENING AND SHOULD LISTEN FOR LATEST INFORMATION
FROM THE WEATHER SERVICE.

KWIATKOWSKI
Special weather statement, Sep 14, 4:22 PM EDT, 1 hour 56 minutes before
OHZ006-011-142200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
425 PM EDT FRI SEP 14 1990

...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM EDT...

AT 320 PM WEATHER SERVICE RADAR SHOWED A SOLID LINE OF THUNDERSTORMS
EXTENDING FROM SANDUSKY...ACROSS BUCYRUS TO DAYTON OHIO. THE
THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

THE HEAVIEST THUNDERSTORMS WERE MOVING INTO WESTERN CRAWFORD COUNTY
AT 320 PM AND THEY ARE CAPABLE OF PRODUCING STRONG GUSTY WINDS AND
POSSIBLY SOME HAIL.

IF THREATENING WEATHER APPROACHES GO TO SAFE SHELTER IMMEDIATELY.

BANYAS
Special weather statement, Sep 14, 5:03 PM EDT, 1 hour 15 minutes before
OHZ006-011-142300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
500 PM EDT FRI SEP 14 1990

...A TORNADO WATCH IS IN EFFECT UNTIL 10 PM EDT...

AT 5PM WEATHER SERVICE RADAR SHOWED A SOLID LINE OF THUNDERSTORMS
EXTENDING FROM CLEVELAND...TO MANSFIELD TO COLUMBUS OHIO. THE
THUNDERSTORMS WERE MOVING EAST AT 30 MPH.

AT 455 PM AT MANSFIELD LAHM AIRPORT THE WINDS GUSTED TO 35 MPH WITH
A THUNDERSTORM IN PROGRESS. THE VISIBLITY WAS REDUCED  1/2 MILE IN
HEAVY RAIN.

THE THUNDERSTORMS OVER RICHLAND AND MORROW COUNTIES WILL MOVE ACROSS
ASHLAND AND KNOX COUNTIES BETWEEN 5 AND 6 PM EDT.

IF THREATENING WEATHER APPROACHES GO TO SAFE SHELTER IMMEDIATELY.

BANYAS
Special weather statement, Sep 14, 5:06 PM EDT, 1 hour 12 minutes before
OHZ004-007-142200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
505 PM EDT FRI SEP 14 1990

A TORNADO WATCH REMAINS IN EFFECT FOR NORTHEAST...EAST CENTRAL...AND
SOUTHEAST OHIO UNTIL 10 PM.

AT 5 PM AKRON CANTON WEATHER RADAR INDICATED A SOLID LINE OF
STRONG THUNDERSTORMS...30 MILES WIDE...MOVING INTO EASTERN OHIO.
THE LEADING EDGE OF THESE THUNDERSTORMS EXTENDED FROM CLEVELAND
SOUTHWEST TO MANSFIELD TO COLUMBUS. THE LINE WAS MOVING EAST AT
40 MPH.

THESE THUNDERSTORMS WILL REACH A CANTON...COSHOCTON...ZANESVILLE
LINE AROUND 6PM. THE STRONGER STORMS PRODUCED TORRENTIAL DOWNPOURS AND
STRONG GUSTY WINDS AS THEY MOVED THROUGH WESTERN AND CENTRAL OHIO THIS
AFTERNOON.

PEOPLE IN EASTERN OHIO SHOULD REMAIN ALERT FOR CHANGING WEATHER CONDITIONS
THIS AFTERNOON AND EVENING. BE PREPARED TO MOVE TO A PLACE OF SAFETY
SHOULD THREATENING WEATHER APPROACH OR A WARNING BE ISSUED.

THOMPSON

The office that day

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

IssuedProductOfficeCountiesLasted
Sep 14, 2:31 PM EDTSevere Thunderstorm WarningCLEFulton29 min
Sep 14, 3:00 PM EDTFlash Flood WarningCLELucas60 min
Sep 14, 5:01 PM EDTSevere Thunderstorm WarningCLECuyahoga44 min
Sep 14, 5:22 PM EDTSevere Thunderstorm WarningCLELake53 min
Sep 14, 5:44 PM EDTSevere Thunderstorm WarningCLEStark, Summit61 min
Sep 14, 6:41 PM EDTSevere Thunderstorm WarningCLEGuernsey, Tuscarawas64 min
Sep 14, 6:41 PM EDTSevere Thunderstorm WarningCLECarroll64 min
Sep 14, 6:55 PM EDTSevere Thunderstorm WarningCLEColumbiana65 min
Sep 14, 7:14 PM EDTSevere Thunderstorm WarningCLEMahoning56 min
Sep 14, 7:15 PM EDTFlash Flood WarningCLEAshtabula3 hr
Sep 14, 7:33 PM EDTSevere Thunderstorm WarningCLEWashington42 min
Sep 14, 7:34 PM EDTTornado WarningCLEColumbiana26 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.