Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 45, NWS Cleveland, OH

June 30, 1990Ashtabula County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jun 30, 1990, 5:52 PM EDT for Ashtabula County, Ohio. It was in force for 53 min.

The area

The counties it named.

The facts

Issued
Jun 30, 1990, 5:52 PM EDT (21:52 UTC)
Expired
Jun 30, 1990, 6:45 PM EDT
In force
53 min
Issued by
NWS Cleveland, OH
Area
Whole counties

County Ashtabula 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, 9.9 hours before the alert went out and 174 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 1990-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Pittsburgh, PA at 12:00Z on 1990-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 29 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
NaN m above ground
0-6 km bulk shear
19 kt
0-1 km storm-relative helicity
29 m²/s²
0-3 km storm-relative helicity
87 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 KCLE 302155
SVRCLE
OHC007-302245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE CLEVELAND OH
552 PM EDT SAT JUN 30 1990
 
THE NATIONAL WEATHER SERVICE IN CLEVELAND HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN NORTHEAST OHIO
          ...ASHTABULA
 
AT 545 PM EDT...WEATHER RADAR SHOWED A POSSIBLE SEVERE THUNDERSTORM
JUST NORTHWEST OF CONNEAUT OVER LAKE ERIE. THE STORM WAS MOVING
SOUTHEAST AROUND 30 MPH AND WILL MOVE ONSHORE IN THE VICINITY OF
CONNEAUT.
 
 
SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 55
MPH...DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN.
HEAVY RAINS FLOOD ROADS QUICKLY SO DON'T DRIVE INTO AREAS WHERE
WATER COVERS THE ROAD.
 
LG

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, Jun 30, 3:30 PM EDT, 2 hours 22 minutes before
OHZALL-302045-

SEVERE WEATHER OUTLOOK FOR OHIO
NATIONAL WEATHER SERVICE CLEVELAND OH
330 PM EDT SAT JUN 30 1990

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR THE NORTHERN THIRD OF
OHIO UNTIL 10 PM.

THE SEVERE THUNDERSTORM WATCH AREA IS GENERALLY NORTH OF A LINE FROM
PITTSBURGH TO FORT WAYNE. SOME OF THE CITIES IN THE WATCH AREA ARE
TOLEDO... FINDLAY... MANSFIELD... CLEVELAND... YOUNGSTOWN AND AKRON
CANTON.

SHOWERS AND THUNDERSTORMS BEGAN TO DEVELOP OVER SOUTHEAST MICHIGAN...
WESTERN LAKE ERIE AND NORTHEAST OHIO DURING THE MID AFTERNOON. AT 320 PM
WEATHER SERVICE RADAR SHOWED AN AREA OF SHOWERS OVER LAKE ERIE ABOUT 30
MILES NORTH OF CLEVELAND. OTHER THUNDERSTORMS WERE LOCATED OVER PORTAGE
AND COLUMBIANA COUNTIES. THESE STORMS WERE MOVING SOUTHEAST AT 35 MPH.

REMEMBER... A WATCH MEANS THAT CONDITIONS ARE FAVORABLE FOR SEVERE
WEATHER IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD
BE ON THE LOOKOUT FOR THREATENING WELATHER CONDITIONS AND LISTEN FOR
LATER STATEMENTS AND POSSIBLE WARNINGS.

SJN
Special weather statement, Jun 30, 4:30 PM EDT, 1 hour 22 minutes before
OHZ004-PAZ003-302300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
429 PM EDT SAT JUN 30 1990

...SEVERE THUNDERSTORM WATCH UNTIL 10 PM...

...THUNDERSTORMS WERE RUMBLING ACROSS NORTHWEST MAHONING COUNTY...

AT 420 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED AN AREA OF
THUNDERSTORMS TRACKING ACROSS NORTHWEST MAHONING COUNTY. THE STRONGEST
STORM WAS LOCATED NEAR AUSTINTOWN. THESE STORMS MAY PRODUCE HEAVY
RAINFALL...GUSTY WINDS...SMALL HAIL..AND DANGEROUS LIGHTNING. MOVEMENT
OF THESE THUNDERSTORMS WAS TO THE SOUTHEAST AT 40 MILES AN HOUR.

THUNDERSTORMS HAVE THE POTENTIAL TO DEVELOP RAPIDLY. IF SEVERE
WEATHER APPROACHS...TAKE SHELTER IMMEDIATELY.

DP
Special weather statement, Jun 30, 4:48 PM EDT, 1 hour 4 minutes before
PAZ001-002-003-302200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE ERIE, PA
440 PM EDT SAT JUN 30 1990

...A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR ALL NORTHWEST PENNSYLVANIA...
...UNTIL 10 PM EDT...
...MARINE WARNING IN EFFECT UNTIL 540 PM...
...STRONG THUNDERSTORMS ARE MOVING TOWARD THE PENNSYLVANIA LAKESHORE...

AT 430 PM WEATHER RADAR SHOWED AN AREA OF STRONG THUNDERSTORMS OVER LAKE ERIE
25 MILES NORTHWEST OF ERIE.  THESE STORMS ARE MOVING SOUTHEST AT 30 TO 40
MILES AN HOUR AND WILL ENTER ERIE COUNTY AND ADJACENT LAKE ERIE WATERS AROUND
515 PM.

THESE THUNDERSTORMS WILL CAUSE STRONG GUSTY WINDS...DANGEROUS LIGHTNING...
HEAVY DOWNPOURS AND POSSIBLE HAIL.

SMALL BOATS ON LASKE ERIE AND PRESQUE ISLE BAY SHOULD SEEK SAFE HARBOR.

PARRISH/WELLS

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 30, 4:14 PM EDTSevere Thunderstorm WarningCLELorain61 min
Jun 30, 4:36 PM EDTSevere Thunderstorm WarningCLEMedina69 min
Jun 30, 5:12 PM EDTSevere Thunderstorm WarningCLEStark, Summit63 min
Jun 30, 6:52 PM EDTSevere Thunderstorm WarningCLETuscarawas68 min
Jun 30, 7:30 PM EDTSevere Thunderstorm WarningCLETrumbull80 min
Jun 30, 7:33 PM EDTSevere Thunderstorm WarningCLEWashington57 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; the sounding from the Mesonet's radiosonde archive.