Alert archive / Texas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 60

February 26, 200011 counties in Arkansas; 9 parishes in Louisiana; 44 counties in Texas

The Storm Prediction Center issued this severe thunderstorm watch at Feb 26, 2000, 1:30 AM CST for 11 counties in Arkansas; 9 parishes in Louisiana; 44 counties in Texas. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 26, 2000, 1:30 AM CST (07:30 UTC)
Expired
Feb 26, 2000, 7:00 AM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 64 counties

Bradley County, AR, Calhoun County, AR, Columbia County, AR, Drew County, AR, Hempstead County, AR, Lafayette County, AR, Little River County, AR, Miller County, AR, Nevada County, AR, Ouachita County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Lincoln Parish, LA, Red River Parish, LA, Union Parish, LA, Webster Parish, LA, Anderson County, TX, Angelina County, TX, Bell County, TX, Bowie County, TX, Brazos County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Falls County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Houston County, TX, Leon County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Morris County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Polk County, TX, Rains County, TX, Red River County, TX, Robertson County, TX, Rusk County, TX, Sabine County, TX, San Augustine County, TX, San Jacinto County, TX, Shelby County, TX, Smith County, TX, Titus County, TX, Trinity County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Williamson County, TX, Wood County, TX

The radar

The Shreveport radar (KSHV), 177 km from the middle of the area, began a volume at 07:31 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.

Warnings issued inside it

5 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Feb 26, 2:19 AM CSTSevere Thunderstorm WarningFWDHill, Limestone41 min
Feb 26, 2:24 AM CSTSevere Thunderstorm WarningFWDMcLennan21 min
Feb 26, 2:34 AM CSTSevere Thunderstorm WarningSHVLittle River26 min
Feb 26, 2:52 AM CSTSevere Thunderstorm WarningFWDFreestone, Navarro53 min
Feb 26, 3:22 AM CSTSevere Thunderstorm WarningFWDHenderson53 min

The nearest sounding before it

Shreveport, LA (KSHV), launched 00:00Z, 7.5 hours before the alert went out and 186 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-pSkew-T log-p diagram, Shreveport, LA at 00:00Z on 2000-02-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 10 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Shreveport, LA at 00:00Z on 2000-02-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 270 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
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
10 J/kg
Mixed-layer CIN
-97 J/kg
Mixed-layer LCL
984 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
270 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

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.

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 26, 12:00 AM CSTSevere Thunderstorm WatchSPCBaxter, Boone, Conway, Crawford, Franklin, Fulton and 20 more5 hr
Feb 26, 2:45 AM CSTSevere Thunderstorm WatchSPCClark, Clay, Cleburne, Conway, Craighead, Dallas and 29 more4 hr
Feb 25, 10:30 PM CSTSevere Thunderstorm WatchSPCBosque, Bowie, Camp, Cass, Collin, Comanche and 34 more6 hr

Nearby

Severe Thunderstorm Watches in Texas, 2000Severe Thunderstorm Watches in Arkansas, 2000Severe Thunderstorm Watches in Louisiana, 2000Every severe thunderstorm watch in 2000

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.