Alert archive / Texas / Severe Thunderstorm Warnings in 1999

Severe Thunderstorm Warning 3, NWS Fort Worth, TX

January 1, 1999Freestone County, Leon County, Texas

NWS Fort Worth, TX issued this severe thunderstorm warning at Jan 1, 1999, 6:40 PM CST for Freestone County, Leon County, Texas. It was in force for 50 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jan 1, 1999, 6:40 PM CST (00:40 UTC)
Expired: Jan 1, 1999, 7:30 PM CST
In force: 50 min
Issued by: NWS Fort Worth, TX
Area: Whole counties; the outline is the Mesonet’s reconstruction

Counties Freestone County, TX, Leon County, TX

The radar

The Ft Hood radar (KGRK), 152 km from the middle of the area, began a volume at 00:42 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jan 1, 4:30 PM CST	Tornado Watch	SPC	6 hr

The nearest sounding before it

Fort Worth, TX (KFWD), launched 00:00Z, 0.7 hours before the alert went out and 187 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: 665 J/kg
Mixed-layer CIN: -27 J/kg
Mixed-layer LCL: 762 m above ground
0-6 km bulk shear: 51 kt
0-1 km storm-relative helicity: 161 m²/s²
0-3 km storm-relative helicity: 247 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 2.5

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, Jan 1, 6:19 PM CST, 21 minutes before

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Special weather statement, Jan 1, 6:19 PM CST, 21 minutes before

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Special weather statement, Jan 1, 6:19 PM CST, 21 minutes before

<!doctype html>
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  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
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<body>
  <main class="wrap">
    <section class="card" role="status" aria-live="polite">
      <div class="status" id="status">Temporary Notice</div>
      <h1 id="headline">This service is currently unavailable.</h1>
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        The site you requested is temporarily down for maintenance or an unexpected outage.
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Special weather statement, Jan 1, 6:30 PM CST, 10 minutes before

TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
630 PM CST FRI JAN 1 1999

...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH
TEXAS...

.A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LIMESTONE AND
ROBERTSON COUNTIES UNTIL 700 PM.

.A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND
NORTHWESTERN MILAM COUNTIES UNTIL 900 PM.

.TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH
TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO
COLLEGE STATION UNTIL 1000 PM.

.A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE
EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT.
VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON.

78

Special weather statement, Jan 1, 6:30 PM CST, 10 minutes before

TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
630 PM CST FRI JAN 1 1999

...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH
TEXAS...

.A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LIMESTONE AND
ROBERTSON COUNTIES UNTIL 700 PM.

.A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND
NORTHWESTERN MILAM COUNTIES UNTIL 900 PM.

.TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH
TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO
COLLEGE STATION UNTIL 1000 PM.

.A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE
EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT.
VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON.

78

Special weather statement, Jan 1, 6:30 PM CST, 10 minutes before

TXZ091>094-101>105-116>121-130>134-144>147-158>162-174-175-012111-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE FORT WORTH TX
630 PM CST FRI JAN 1 1999

...THIS IS A SUMMARY OF WATCHES AND WARNINGS IN EFFECT FOR NORTH
TEXAS...

.A SEVERE THUNDERSTORM WARNING IS IN EFFECT FOR LIMESTONE AND
ROBERTSON COUNTIES UNTIL 700 PM.

.A FLASH FLOOD WARNING IS IN EFFECT FOR SOUTHWESTERN FALLS AND
NORTHWESTERN MILAM COUNTIES UNTIL 900 PM.

.TORNADO WATCH NUMBER 1 IS IN EFFECT FOR EASTERN PORTIONS OF NORTH
TEXAS...SOUTH AND EAST OF A LINE FROM JEFFERSON TO ROCKWALL TO
COLLEGE STATION UNTIL 1000 PM.

.A FLASH FLOOD WATCH REMAINS IN EFFECT THROUGH TONIGHT FOR THE
EASTERN PORTIONS OF NORTH TEXAS...ALONG AND EAST OF A LINE FROM MT.
VERNON TO KAUFMAN TO CORSICANA TO MARLIN TO CAMERON.

78

The office that day

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

Issued	Product	Office	Counties	Lasted
Jan 1, 6:03 PM CST	Flash Flood Warning	FWD	Falls, Milam	3 hr
Jan 1, 6:13 PM CST	Severe Thunderstorm Warning	FWD	Limestone, Robertson	47 min
Jan 1, 7:09 PM CST	Severe Thunderstorm Warning	FWD	Milam	51 min
Jan 1, 7:17 PM CST	Flash Flood Warning	FWD	Freestone, Limestone	4 hr
Jan 1, 7:17 PM CST	Flash Flood Warning	FWD	Anderson	4 hr
Jan 1, 7:34 PM CST	Severe Thunderstorm Warning	FWD	Robertson	41 min
Jan 1, 8:02 PM CST	Severe Thunderstorm Warning	FWD	Jack	58 min
Jan 1, 8:38 PM CST	Tornado Warning	FWD	Jack, Wise	52 min

Nearby

Severe Thunderstorm Warnings in Texas, 1999 Every severe thunderstorm warning in 1999

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; radar from the NEXRAD Level II archive.