Alert archive / Texas / Severe Thunderstorm Warnings in 1990

Severe Thunderstorm Warning 468, NWS Fort Worth, TX

October 7, 1990Delta County, Hopkins County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Oct 7, 1990, 4:30 PM CDT for Delta County, Hopkins County, Texas. It was in force for 60 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: Oct 7, 1990, 4:30 PM CDT (21:30 UTC)
Expired: Oct 7, 1990, 5:30 PM CDT
In force: 60 min
Issued by: NWS Fort Worth, TX
Area: Whole counties

Counties Delta County, TX, Hopkins County, TX

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
Oct 7, 4:55 PM CDT	Thunderstorm Wind 0	Delta, TX
Oct 7, 5:30 PM CDT	Thunderstorm Wind 0	Hopkins, TX

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

Longview/Gregg, TX (KGGG), launched 12:00Z, 9.5 hours before the alert went out and 140 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 0 m above ground
0-6 km bulk shear: 25 kt
0-1 km storm-relative helicity: 81 m²/s²
0-3 km storm-relative helicity: 86 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.0

Open this sounding in Storm Lab

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

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, Oct 7, 12:02 PM CDT, 4 hours 28 minutes before

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Special weather statement, Oct 7, 12:13 PM CDT, 4 hours 17 minutes before

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Special weather statement, Oct 7, 2:02 PM CDT, 2 hours 28 minutes before

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Special weather statement, Oct 7, 3:14 PM CDT, 1 hour 16 minutes before

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Special weather statement, Oct 7, 4:13 PM CDT, 17 minutes before

TXZ019>033-072300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
415 PM CDT SUN OCT 7 1990

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR PARTS OF NORTH
CENTRAL AND NORTHEAST TEXAS UNTIL 900 PM TONIGHT...

THE WATCH AREA INCLUDES ALL OF THE COUNTIES ALONG AND NORTH OF A GRANBURY
TO CARTHAGE LINE IN NORTH TEXAS.  THIS AREA INCLUDES THE DALLAS/FORT WORTH
METROPLEX AND SURROUNDING COUNTIES... AS WELL AS THE CITIES OF SHERMAN...
PARIS...GREENVILLE...TYLER AND LONGVIEW.

AT 410 PM CDT...NATIONAL WEATHER SERVICE RADAR INDICATED A LINE OF
THUNDERSTORMS EXTENDED FROM NEAR CLARKSVILLE TO COOPER TO GREENVILLE
TO DALLAS.  ANOTHER STRONG THUNDERSTORM WAS DEVELOPING JUST TO THE WEST
OF EASTLAND.  THE LINE OF THUNDERSTORMS WERE MOVING TO THE SOUTHEAST
AROUND 20 MILES AN HOUR WHILE SOME OF THE INDIVIDUAL STORMS WERE MOVING
TO THE NORTHEAST AT 20 MILES AN HOUR.

PERSONS IN THE PATH OF THESE THUNDERSTORMS ARE REMINDED THAT/ THEY ARE
CAPABLE OF PRODUCING LOCALLY HEAVY RAINS...DAMAGING SURFACE WINDS...
DANGEROUS CLOUD TO GROUND LIGHTNING...AND LARGE HAIL.

STAY TUNED TO THIS STATION FOR LATER STATEMENTS OR POSSIBLE WARNINGS.

The office that day

Everything else NWS Fort Worth, TX issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Oct 7, 5:25 PM CDT	Severe Thunderstorm Warning	FWD	Hunt, Rains	65 min
Oct 7, 5:34 PM CDT	Severe Thunderstorm Warning	FWD	Hopkins	56 min
Oct 7, 5:55 PM CDT	Severe Thunderstorm Warning	FWD	Franklin, Titus	65 min

Nearby

Severe Thunderstorm Warnings in Texas, 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.