Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 78, NWS Charleston, WV

July 9, 1990Fairfield County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 9, 1990, 4:35 PM EDT for Fairfield County, Ohio. It was in force for 40 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, 4:35 PM EDT (20:35 UTC)
Expired: Jul 9, 1990, 5:15 PM EDT
In force: 40 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Fairfield 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

Time	Report	Where	Remark
Jul 9, 5:00 PM EDT	Thunderstorm Wind 0	Fairfield, 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

Dayton/James M C, OH (KDAY), launched 12:00Z, 8.6 hours before the alert went out and 135 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1078 J/kg
Mixed-layer CIN: -57 J/kg
Mixed-layer LCL: 1196 m above ground
0-6 km bulk shear: 30 kt
0-1 km storm-relative helicity: 99 m²/s²
0-3 km storm-relative helicity: 89 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

The text

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

000 
TTAA00 KCMH 092036
SVRCMH
OHC045-092115-
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
435 PM EDT MON JUL 9 1990
 
THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  515 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...
 
IN CENTRAL OHIO
          ...FAIRFIELD
 
AT 4:30 PM EDT NATIONAL WEATHER SERVICE RADAR INDICATED A POSSIBLE
SEVERE THUNDERSTORM OVER BALTIMORE IN NORTHERN FAIRFIELD COUNTY. LOCAL
SPOTTERS REPORTED NUMEROUS TREES DOWN IN FRANKLIN COUNTY AS THE
THUNDERSTORM MOVED THROUGH THE AREA.
 
THIS STORM WAS MOVING SOUTHEAST AT 30 MILES AN HOUR AND WILL MOVE
THROUGH LANCASTER BY 4:45 PM.
 
 
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.
 
GROH

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, 2:20 PM EDT, 2 hours 15 minutes before

WVZ002>009-012-VA015-016-092000-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
210 PM EDT MON JUL 9 1990

...SEVERE THUNDERSTORM WATCH NUMBER 606 IS IN EFFECT FOR
EXTREME NORTHWESTERN WEST VIRGINIA INCLUDING THE NORTHERN
PANHANDLE UNTIL 900 PM...

HOT AND HUMID AIR ACROSS THE OHIO VALLEY WILL REACT WITH A COLD
FRONT IN NORTHERN OHIO AND PENSYLVANIA TO PRODUCE POTENTIALLY
SEVERE THUNDERSTORMS THIS AFTERNOON AND EVENING. THESE STORMS
MAY CAUSE DAMAGING WINDS, LARGE HAIL, FREQUENT AND INSTENSE
LIGHTNING, AND BRIEF HEAVY RAIN ACROSS THE WEST VIRGINIA NORTHERN
PANHANDLE AND INTO WETZEL AND TYLER COUNTIES OF EXTREME NORTHWESTERN
WEST VIRGINIA.

AT 145PM SHOWERS AND LARGE THUNDERSTORMS WERE DEVELOPING ACROSS
PORTIONS OF OHIO AND PENSYLVANIA NORTH OF A LINE FROM COLUMBUS
OHIO TO PITTSBURG.

THE COLD FRONT WILL DROP SLOWLY SOUTH THIS AFTERNOON THROUGH
TONIGHT. BY TUESDAY MORNING IT WILL DROP INTO EXTREME
NORTHERN WEST VIRGINIA.

STAY TUNED TO YOUR LOCAL RADIO OR TV STATIONS OR TO THE NEAREST
NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND WARNINGS ISSUED
BY THE NATIONAL WEATHER SERVICE.

TO REPORT SEVERE WEATHER OR FLASH FLOODING CALL YOUR NEAREST
LAW ENFORCEM'ENT AGENCY AND ASK THEM TO RELAY THE INFORMATION
TO THE NATIONAL WEATHER SERVICE.

Special weather statement, Jul 9, 4:26 PM EDT, 9 minutes before

WVZ002>009-012-VA015-016-092200-
SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE CHARLESTON WV
425 PM EDT MON JUL 9 1990

...SEVERE THUNDERSTORM WATCH NUMBER 606 IS IN EFFECT FOR
EXTREME NORTHWESTERN WEST VIRGINIA INCLUDING THE NORTHERN
PANHANDLE UNTIL 900 PM...

VERY STRONG THUNDERSTORMS CONTINUE TO DEVELOP ACROSS PENSYLVANIA...
OHIO..AND ON WEST INTO INDIANA. THESE STORMS ARE THE RESULT OF
HOT HUMID AIR INTERACTING WITH A COLD FRONT DRIFTING SOUTH THROUGH
OHIO AND PENSYLVANIA.

HIGH WINDS DUE TO A THUNDERSTORM CAUSED TREES AND POWER LINES TO GO
DOWN IN COSHOCTON COUNTY BETWEEN ZANESVILLE AND AKRON OH EARLIER
THIS AFTERNOON. A SEVERE THUNDERSTORM WARNING WAS ISSUED FOR THIS
STORM.

AT 215 PM THE SHOWERS AND THUNDERSTORMS WERE NORTH OF A LINE FROM JUST
NORTH OF CINCINNATI TO JUST SOUTH OF ZANESVILLE AND JUST NORTH OF THE
PENSYLVANIA/WEST VIRGINIA BORDER. THE STORMS ARE MOVING TO THE EAST
AT ABOUT 30 MPH BUT THE AREA IS DROPPING SOUTH AT ABOUT 10 MPH.

THESE STORMS WILL CONTINUE TO DEVELOP AND MOVE INTO WEST VIRGINIA
FOR THE REST OF THIS AFTERNOON AND INTO THE EVENING.

VERY HEAVY BRIEF RAIN AND FREQUENT AND INTENSE LIGHTNING IS
LIKELY WITH THESE STORMS. THEY MAY ALSO PRODUCE STRONG
DAMAGING WINDS AND LARGE HAIL.

STAY TUNED TO YOUR LOCAL RADIO OR TV STATIONS OR TO THE NEAREST
NOAA WEATHER RADIO FOR THE LATEST STATEMENTS AND WARNINGS ISSUED
BY THE NATIONAL WEATHER SERVICE.

TO REPORT SEVERE WEATHER OR FLASH FLOODING CALL YOUR NEAREST
LAW ENFORCEMENT AGENCY AND ASK THEM TO RELAY THE INFORMATION
TO THE NATIONAL WEATHER SERVICE.

DGH

The office that day

Everything else NWS Charleston, WV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jul 9, 2:45 PM EDT	Severe Thunderstorm Warning	RLX	Muskingum	60 min
Jul 9, 2:49 PM EDT	Severe Thunderstorm Warning	RLX	Licking	56 min
Jul 9, 3:01 PM EDT	Severe Thunderstorm Warning	RLX	Union	59 min
Jul 9, 3:25 PM EDT	Severe Thunderstorm Warning	RLX	Madison	65 min
Jul 9, 3:41 PM EDT	Severe Thunderstorm Warning	RLX	Franklin	64 min
Jul 9, 4:27 PM EDT	Severe Thunderstorm Warning	RLX	Pickaway	63 min
Jul 9, 5:06 PM EDT	Severe Thunderstorm Warning	RLX	Fayette	69 min

Nearby

Severe Thunderstorm Warnings in Ohio, 1990 Every 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.