Alert archive / Texas / Severe Thunderstorm Warnings in 2001

Severe Thunderstorm Warning 214, NWS Shreveport, LA

November 26, 2001Panola County, Texas

NWS Shreveport, LA issued this severe thunderstorm warning at Nov 26, 2001, 8:20 PM CST for Panola County, Texas. It was in force for 25 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: Nov 26, 2001, 8:20 PM CST (02:20 UTC)
Expired: Nov 26, 2001, 8:45 PM CST
In force: 25 min
Issued by: NWS Shreveport, LA
Area: Whole counties

County Panola County, TX

The radar

The Shreveport radar (KSHV), 54 km from the middle of the area, began a volume at 02:24 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 nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 2.3 hours before the alert went out and 63 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: 701 J/kg
Mixed-layer CIN: -35 J/kg
Mixed-layer LCL: 873 m above ground
0-6 km bulk shear: 50 kt
0-1 km storm-relative helicity: 152 m²/s²
0-3 km storm-relative helicity: 161 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 4.9

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.

NWS Shreveport, LA wrote its last area forecast discussion before this severe thunderstorm warning went out at Nov 26, 8:00 PM CST, 20 minutes earlier.

Area forecast discussion, Nov 26, 8:00 PM CST, 20 minutes before

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In the hours before

Special weather statement, Nov 26, 3:59 PM CST, 4 hours 21 minutes before

ARZ050-051-059>061-070>073-LAZ001>006-010>014-017>022-OKZ077-TXZ096-
097-108>112-124>126-136>138-149>153-165>167-270000-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
359 PM CST MON NOV 26 2001

...TORNADO WATCH IN EFFECT UNTIL 600 PM...FOR ALL OF SOUTHWEST
ARKANSAS AND NORTHWEST LOUISIANA AND MOST OF NORTHEAST TEXAS...

THE TORNADO WATCH IS ALONG AND GENERALLY TO THE EAST OF A LINE
FROM TYLER TEXAS TO DE QUEEN ARKANSAS.

A TORNADO WATCH IS ALSO IN EFFECT FOR THE FOLLOWING COUNTIES
IN EAST TEXAS...ANGELINA...NACOGDOCHES...SHELBY...SAN AUGUSTINE
AND SABINE UNTIL 800 PM CST...

AT 355 PM...WEATHER SERVICE RADAR INDICATED SCATTERED
SHOWERS AND THUNDERSTORMS TO THE EAST OF A LINE FROM
NASHVILLE ARKANSAS TO 10 MILES WEST OF NACOGDOCHES
TEXAS. MOVEMENT WAS NORTHEAST AT 35 MPH.

Special weather statement, Nov 26, 5:48 PM CST, 2 hours 32 minutes before

TXZ152-153-165>167-270200-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE SHREVEPORT LA
548 PM CST MON NOV 26 2001

...TORNADO WATCH IN EFFECT UNTIL 8 PM FOR EAST TEXAS...

A TORNADO WATCH REMAINS IN EFFECT UNTIL 8 PM FOR PART OF EAST
TEXAS...INCLUDING ANGELINA...NACOGDOCHES...SHELBY...SAN AUGUSTINE...
AND SABINE COUNTIES. EARLY THIS EVENING SCATTERED THUNDERSTORMS
CONTINUED OVER PARTS OF EAST TEXAS. CONDITIONS REMAIN FAVORABLE FOR
ISOLATED TORNADOES TO OCCUR WITH THESE THUNDERSTORMS THROUGH 8 PM.

Local storm report, Nov 26, 6:25 PM CST, 1 hour 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SHREVEPORT LA
625 PM CST MON NOV 26 2001

TIME(CST)  .....CITY LOCATION..... STATE  ...EVENT/REMARKS...
           ....PARISH/COUNTY LOCATION....

0420 PM    BRADLEY                   AR   1.75 INCH HAIL
11/26/01   LAFAYETTE                      GOLFBALL SIZE HAIL.
                                          REPORTED BY LAW
                                          ENFORCEMENT.

0515 PM    HAYNESVILLE               LA   .88 INCH HAIL
11/26/01   CLAIBORNE                      NICKEL SIZE HAIL. REPORTED
                                          BY LAW ENFORCEMENT.

0540 PM    7 S QUITMAN               LA   WIND DAMAGE
11/26/01   JACKSON                        TREES DOWN. REPORTED BY
                                          GENERAL PUBLIC.

4/20

The office that day

Everything else NWS Shreveport, LA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Nov 26, 7:40 PM CST	Severe Thunderstorm Warning	SHV	Nacogdoches	65 min
Nov 26, 8:22 PM CST	Severe Thunderstorm Warning	SHV	Caddo	53 min
Nov 26, 11:58 PM CST	Tornado Warning	SHV	Natchitoches	32 min

Nearby

Severe Thunderstorm Warnings in Texas, 2001 Every severe thunderstorm warning in 2001

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.