Alert archive / Texas / Severe Thunderstorm Watches in 2000
Severe Thunderstorm Watch 103
The Storm Prediction Center issued this severe thunderstorm watch at Mar 18, 2000, 5:30 PM CST for 6 counties in Arkansas; 12 parishes in Louisiana; 55 counties in Texas. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 18, 2000, 5:30 PM CST (23:30 UTC)
- Expired
- Mar 19, 2000, 12:00 AM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 73 counties
Ashley County, AR, Bradley County, AR, Columbia County, AR, Lafayette County, AR, Miller County, AR, Union County, AR, Bienville Parish, LA, Bossier Parish, LA, Caddo Parish, LA, Claiborne Parish, LA, De Soto Parish, LA, Jackson Parish, LA, Lincoln Parish, LA, Natchitoches Parish, LA, Red River Parish, LA, Sabine Parish, LA, Union Parish, LA, Webster Parish, LA, Anderson County, TX, Angelina County, TX, Bell County, TX, Blanco County, TX, Bowie County, TX, Brazos County, TX, Burleson County, TX, Camp County, TX, Cass County, TX, Cherokee County, TX, Delta County, TX, Falls County, TX, Franklin County, TX, Freestone County, TX, Gregg County, TX, Grimes County, TX, Hardin County, TX, Harrison County, TX, Henderson County, TX, Hopkins County, TX, Houston County, TX, Jasper County, TX, Kaufman County, TX, Lee County, TX, Leon County, TX, Liberty County, TX, Limestone County, TX, Madison County, TX, Marion County, TX, McLennan County, TX, Milam County, TX, Montgomery County, TX, Morris County, TX, Nacogdoches County, TX, Navarro County, TX, Panola County, TX, Polk County, TX, Rains 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, Travis County, TX, Trinity County, TX, Tyler County, TX, Upshur County, TX, Van Zandt County, TX, Walker County, TX, Washington County, TX, Williamson County, TX, Wood County, TX
Warnings issued inside it
2 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 5:42 PM CST | Severe Thunderstorm Warning | LZK | Bradley | 63 min |
| Mar 18, 6:10 PM CST | Severe Thunderstorm Warning | SHV | Union | 35 min |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 11.5 hours before the alert went out and 209 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 603 m above ground
- 0-6 km bulk shear
- 50 kt
- 0-1 km storm-relative helicity
- 268 m²/s²
- 0-3 km storm-relative helicity
- 294 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
631 WWUS9 KMKC 182308 SEL3 MKC WW 182308 ARZ000-LAZ000-TXZ000-190600- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 103 STORM PREDICTION CENTER NORMAN OK 508 PM CST SAT MAR 18 2000 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHERN ARKANSAS NORTHWEST LOUISIANA EASTERN TEXAS EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 530 PM UNTIL MIDNIGHT CST. HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 125 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH SOUTHWEST OF COLLEGE STATION TEXAS TO 35 MILES EAST NORTHEAST OF TEXARKANA ARKANSAS. REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE FAVORABLE FOR SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE WARNINGS. OTHER WATCH INFORMATION...THIS SEVERE THUNDERSTORM WATCH REPLACES SEVERE THUNDERSTORM WATCH NUMBER 101. WATCH NUMBER 101 WILL NOT BE IN EFFECT AFTER 530 PM CST. CONTINUE...WW 102... DISCUSSION...THUNDERSTORMS ARE EXPECTED TO RAPIDLY DEVELOP ALONG COLD FRONT/DRY LINE FROM E OF DAL SWWD INTO CENTRAL TX. WITH APPROACH OF STRONG UPPER TROUGH...STORMS WILL RAPIDLY BECOME SEVERE AND MOVE EWD ACROSS ERN TX. ADDITIONALLY SEVERE THUNDERSTORMS WILL CONTINUE DEVELOP EWD INTO NWRN LA/SRN AR NEXT SEVERAL HOURS. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24030. ...HALES 333,0911 300,0943 300,0984 333,0953
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 18, 2:15 PM CST | Severe Thunderstorm Watch | SPC | Bradley, Calhoun, Clark, Cleveland, Columbia, Dallas and 14 more | 6 hr |
| Mar 18, 3:15 PM CST | Severe Thunderstorm Watch | SPC | Ashley, Chicot, Desha, Drew | 5 hr |
| Mar 18, 11:00 AM CST | Severe Thunderstorm Watch | SPC | Aransas, Austin, Bee, Brazoria, Calhoun, Chambers and 17 more | 5 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2000Severe Thunderstorm Watches in Louisiana, 2000Severe Thunderstorm Watches in Arkansas, 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.