Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 65, NWS Cleveland, OH

July 9, 1990Washington County, Ohio

NWS Cleveland, OH issued this severe thunderstorm warning at Jul 9, 1990, 5:48 PM EDT for Washington County, Ohio. It was in force for 57 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
Jul 9, 1990, 5:48 PM EDT (21:48 UTC)
Expired
Jul 9, 1990, 6:45 PM EDT
In force
57 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

TimeReportWhereRemark
Jul 9, 6:00 PM EDTThunderstorm Wind 0Washington, 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 12:00Z, 9.8 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.

Skew-T log-pSkew-T log-p diagram, Huntington/Tri S, WV at 12:00Z on 1990-07-09Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1387 joules per kilogram.LCLLFCEL10008507005003002001001 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, Huntington/Tri S, WV at 12:00Z on 1990-07-09The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -6 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
1387 J/kg
Mixed-layer CIN
-75 J/kg
Mixed-layer LCL
1185 m above ground
0-6 km bulk shear
11 kt
0-1 km storm-relative helicity
-6 m²/s²
0-3 km storm-relative helicity
16 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 KCAK 092148
SVRCAK
OHC167-092245-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE AKRON OH
548 PM EDT MON JUL 9 1990
 
THE NATIONAL WEATHER SERVICE IN AKRON HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  645 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN SOUTHEAST OHIO
          ...WASHINGTON
 
AT 545PM RADAR INDICATES A POSSIBLE SEVERE THUNDERSTORM NEAR BEVERLY
OHIO MOVING SOUTHEAST 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 S6O
DON'T DRIVE INTO AREAS WHERE WATER COVERS THE ROAD.
ALTO

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, Jul 9, 3:24 PM EDT, 2 hours 24 minutes before
OHZ004-007-092100-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
923 PM EDT MON JUL  9 1990

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND
SOUTHERN OHIO UNTIL NINE THIS EVENING.

SOME CITIES IN THE WATCH AREA ARE ZANESVILLE... MARIETTA...
CAMBRIDGE... AND NEW PHILADELPHIA.

AT 300 PM THIS AFTERNOON WEATHER RADAR SHOWED THUNDERSTORMS FROM EAST
LIVERPOOL TO COSCHOCTON TO BELLEFONTAINE OHIO. THESE STORMS WERE STILL
INCRESING IN AREAL COVERAGE AND STRENGTH. THESE STORMS ARE CAPABLE OF
PRODUCING VERY HEAVY RAINS... HAIL AND DAMAGING WINDS. SOME FLOODING
OF URBAN AND DRAINAGE SYSTEMS MIGHT OCCUR. THE THUNDERSTORMS WERE
MOVING EAST SOUTHEST AT 30 MPH.

BETWEEN 200 AND 230 PM HIGH WINDS WERE REPORTED OVER WESTERN COSHOCTON
COUNTY. SOME TREES AND POWER LINES WERE REPORTED DOWN.

PEOPLE ACROSS CENTRAL AND SOUTHERN OHIO SHOULD CONTINUE WATCHING THE
SKIES AND BE PREPARED FOR SEVERE THUNDERSTORMS THR2OUGH EARLY THIS
EVENING. LISTEN TO NOAA WEATHER RADIO... OR YOUR LOCAL RADIO OR TV
STATIONS FOR THE LATEST STATEMENTS AND WARNINGS.

ALTO

...CORRECTED ISSUE TIME...
Special weather statement, Jul 9, 3:26 PM EDT, 2 hours 22 minutes before
OHZ004-007-092100-

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE AKRON CANTON OH
323 PM EDT MON JUL  9 1990

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR MUCH OF CENTRAL AND
SOUTHERN OHIO UNTIL NINE THIS EVENING.

SOME CITIES IN THE WATCH AREA ARE ZANESVILLE... MARIETTA...
CAMBRIDGE... AND NEW PHILADELPHIA.

AT 300 PM THIS AFTERNOON WEATHER RADAR SHOWED THUNDERSTORMS FROM EAST
LIVERPOOL TO COSCHOCTON TO BELLEFONTAINE OHIO. THESE STORMS WERE STILL
INCRESING IN AREAL COVERAGE AND STRENGTH. THESE STORMS ARE CAPABLE OF
PRODUCING VERY HEAVY RAINS... HAIL AND DAMAGING WINDS. SOME FLOODING
OF URBAN AND DRAINAGE SYSTEMS MIGHT OCCUR. THE THUNDERSTORMS WERE
MOVING EAST SOUTHEST AT 30 MPH.

BETWEEN 200 AND 230 PM HIGH WINDS WERE REPORTED OVER WESTERN COSHOCTON
COUNTY. SOME TREES AND POWER LINES WERE REPORTED DOWN.

PEOPLE ACROSS CENTRAL AND SOUTHERN OHIO SHOULD CONTINUE WATCHING THE
SKIES AND BE PREPARED FOR SEVERE THUNDERSTORMS THR<OUGH EARLY THIS
EVENING. LISTEN TO NOAA WEATHER RADIO... OR YOUR LOCAL RADIO OR TV
STATIONS FOR THE LATEST STATEMENTS AND WARNINGS.

ALTO

...CORRECTED ISSUE TIME...
Local storm report, Jul 9, 4:02 PM EDT, 1 hour 46 minutes before
STORM REPORT
NATIONAL WEATHER SERVICE ERIE, PA
400 PM EDT MON JUL 09 1990

STORM REPORT FOR MONDAY JULY 9, 1990

TIME  EDT   EVENT
===========================================================================
1310  EDT   POWER LINES AND LARGE TREES DOWN NEAR RT 208 AND PACHELL RUN
            IN VENANGO CO. PA.  BY SKYWARN.

1323  EDT   NUMEROUS TREES AND POWER LINES DOWN AROUND FRANKLIN IN
            VENANGO CO. PA.  EXTENSIVE STREET FLOODING ALSO.  SOME
            LANDSLIDES IN WESTERN PART OF FRANKLIN. BY SKYWARN.

1340 EDT    MORE LARGE TREES DOWN NEAR FRANKLIN IN VENANGO CO.

1410 EDT    POWER LINES DOWN NEAR OIL CITY IN FRANKLIN CO.  SKYWARN.

1430 EDT    POWER LINES AND TREES DOWN AROUND FRANKLIN AND OIL CITY IN
            VENANGO CO.  ALSO 2.00 INCHES OF RAINFALL AT FRANKLIN IN
            VENANGO CO.  A LARGE AMOUNT OF STREET FLOODING IN FRANKLIN
            AND SMALL STREAM FLOODING IN CENTRAL VENANGO CO. PA.
          #  BY EOC.

REEDY
Special weather statement, Jul 9, 4:03 PM EDT, 1 hour 45 minutes before
OHZ006-011-092130-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
400 PM EDT  MON JUL 9 1990

...THE SEVERE THUNDERSTORM WATCH FOR CRAWFORD..RICHLAND AND ASHLAND
COUNTIES WAS CANCELLED AT 315 PM EDT. THE WATCH REMAINS IN EFFECT FOR
KNOX AND MORROW COUNTIES UNTIL 9PM EDT.

AT 355PM EDT WEATHER RADAR SHOWED THUNDERSTORMS WITH HEAVY RAIN
AND FRQUENT LIGHTNING OVER KNOX COUNTY. THEY WERE MOVING SOUTHEAST
AT 35 MPH.

STRONG GUSTY WINDS AND PONDING OF WATER IS LIKELY. BE PREPARD TO
MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER APPROACHES.

BANYAS
Special weather statement, Jul 9, 4:43 PM EDT, 1 hour 5 minutes before
OHZ006-011-092230-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE MANSFIELD OH
443 PM EDT  MON JUL 9 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 9PM EDT FOR
KNOX AND MORROW COUNTIES...

A COOPERATIVE RAINFALL OBSERVER REPORTED NEARLY 21/2 INCHES OF RAIN
SINCE 2PM EDT NEAR MT. VERNON IN KNOX COUNTY. THAT AMOUNT OF RAIN
WILL LIKLEY CAUSE SOME PONDING AND MAKE SMALL STREAMS RISE.
THE THUNDERSTORMS THAT WERE CAUSING THE HEAVY RAIN WERE MOVING
SOUTHEAST AT 25 MPH. THEY SHOULD MOVE SOUTHEAST OF KNOX COUNTY
BY 430 PM EDT.

BE PREPARED TO MOVE TO A PLACE OF SAFETY IF THREATENING WEATHER
APPROACHES.

BANYAS
Special weather statement, Jul 9, 5:45 PM EDT, 3 minutes before
OHZ004-PAZ003-092300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE YOUNGSTOWN OH
545 PM EDT MON JUL 9 1990

THUNDERSTORMS WERE DEVELOPING ACROSS THE MAHONING AND SHENANGO VALLEYS.

AT 535 PM EDT NATIONAL WEATHER RADAR INDICATED SCATTERED THUNDERSTORMS
ACROSS MAHONING COUNTY IN NORTHEAST OHIO AND LAWRENCE COUNTY IN WESTERN
PENNSYLVANIA. THE STONGEST STORM WAS NEAR THE TOWN OF NORTH LIMA IN
MAHONING COUNTY.  MOVEMENT OF THESE STORMS WAS SOUTHE4AST AT 30 MPH.

THESE STORMS CAN PROUDUCE LOCALLY HEAVY RAIN...SMALL HAIL AND BRIEF GUSTY
WINDS.  BE PREPARED TO MOVE TO A PLACE OF SAFETY SHOULD THREATENING
WEATHER APPROACH.

DOXEY

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 9, 12:14 PM EDTFlash Flood WarningCLELake61 min
Jul 9, 1:03 PM EDTSevere Thunderstorm WarningCLEHolmes, Wayne57 min
Jul 9, 2:11 PM EDTSevere Thunderstorm WarningCLECoshocton64 min
Jul 9, 6:29 PM EDTSevere Thunderstorm WarningCLEMedina46 min
Jul 9, 6:38 PM EDTSevere Thunderstorm WarningCLESummit67 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.