Alert archive / Ohio / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 74, NWS Charleston, WV

July 9, 1990Union County, Ohio

NWS Charleston, WV issued this severe thunderstorm warning at Jul 9, 1990, 3:01 PM EDT for Union County, Ohio. It was in force for 59 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, 3:01 PM EDT (19:01 UTC)
Expired: Jul 9, 1990, 4:00 PM EDT
In force: 59 min
Issued by: NWS Charleston, WV
Area: Whole counties

County Union 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, 3:30 PM EDT	Thunderstorm Wind 0	Union, 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, 7.0 hours before the alert went out and 83 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 091912 COR
SVRCMH
OHC159-092000-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE COLUMBUS OH
301 PM EDT MON JUL 9 1990

THE NATIONAL WEATHER SERVICE IN COLUMBUS HAS ISSUED A
SEVERE THUNDERSTORM WARNING EFFECTIVE UNTIL  400 PM EDT
FOR PEOPLE IN THE FOLLOWING COUNTY...

IN CENTRAL OHIO
          ...UNION

AT 300 PM RADAR INDICATED A POSSIBLE SEVERE THUNDERSTORM IN LOGAN COUNTY
ABOUT 20 MILES NORTHWEST OF MARYSVILLE.

THE STORM WAS MOVING SOUTHEAST AT AROUND 30 MILES AN HOUR AND WILL
MOVE THROUGH MARYSVILLE BY 330 PM.
THIS IS A DANGEROUS STORM.  IF YOU ARE IN ITS PATH YOU SHOULD
PREPARE FOR DAMAGING WIND IN EXCESS OF 55 MPH...LARGE HAIL...AND
DEADLY LIGHTNING.  PEOPLE OUTSIDE SHOULD MOVE TO A SHELTER...
PREFERABLY INSIDE A STRONG BUILDING BUT STAY AWAY FROM WINDOWS.

$$
...CORRECTED WRONG TIME OF RADAR OBSERVATION...
HOLMES

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, 41 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.

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, 3:25 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, 4:35 PM EDT	Severe Thunderstorm Warning	RLX	Fairfield	40 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.