Alert archive / Texas / Tornado Watches in 2000
Tornado Watch 769
The Storm Prediction Center issued this tornado watch at Oct 28, 2000, 9:00 PM CDT for 37 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Oct 28, 2000, 9:00 PM CDT (02:00 UTC)
- Expired
- Oct 29, 2000, 1:00 AM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Bell County, TX, Blanco County, TX, Bosque County, TX, Burnet County, TX, Collin County, TX, Comanche County, TX, Cooke County, TX, Coryell County, TX, Dallas County, TX, Denton County, TX, Ellis County, TX, Erath County, TX, Fannin County, TX, Gillespie County, TX, Grayson County, TX, Hamilton County, TX, Hays County, TX, Hill County, TX, Hood County, TX, Jack County, TX, Johnson County, TX, Kendall County, TX, Kerr County, TX, Lampasas County, TX, Llano County, TX, Mason County, TX, McLennan County, TX, Mills County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Rockwall County, TX, San Saba County, TX, Somervell County, TX, Tarrant County, TX, Williamson County, TX, Wise County, TX
Warnings issued inside it
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Oct 28, 9:01 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 59 min |
| Oct 28, 9:03 PM CDT | Severe Thunderstorm Warning | FWD | Comanche | 42 min |
| Oct 28, 9:21 PM CDT | Severe Thunderstorm Warning | FWD | Mills | 24 min |
| Oct 28, 9:47 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Mills | 43 min |
| Oct 28, 9:59 PM CDT | Severe Thunderstorm Warning | EWX | Gillespie | 61 min |
| Oct 28, 10:28 PM CDT | Severe Thunderstorm Warning | FWD | Comanche, Hamilton | 47 min |
The nearest sounding before it
Fort Worth, TX (KFWD), launched 00:00Z, 2.0 hours before the alert went out and 177 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
- 652 J/kg
- Mixed-layer CIN
- -25 J/kg
- Mixed-layer LCL
- 1092 m above ground
- 0-6 km bulk shear
- 38 kt
- 0-1 km storm-relative helicity
- 172 m²/s²
- 0-3 km storm-relative helicity
- 264 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 5.2
The text
As transmitted, in the capitals the NWS used until 2016.
881 WWUS9 KMKC 290132 SEL9 SEL9 MKC WW 290125 TXZ000-290700- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 769 STORM PREDICTION CENTER NORMAN OK 825 PM CDT SAT OCT 28 2000 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHERN AND CENTRAL TEXAS EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 900 PM UNTIL 200 AM CDT. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 60 STATUTE MILES EAST AND WEST OF A LINE FROM 80 MILES WEST SOUTHWEST OF AUSTIN TEXAS TO 75 MILES NORTH OF DALLAS TEXAS. REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR TORNADOES AND 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 TORNADO WATCH REPLACES TORNADO WATCH NUMBER 765. WATCH NUMBER 765 WILL NOT BE IN EFFECT AFTER 900 PM CDT. CONTINUE...WW 766...WW 767...WW 768... DISCUSSION...BAND OF STRONG/SEVERE STORMS WITH DISCRETE SUPERCELLS OVER CENTRAL TX IS EXPECTED TO CONTINUE EWD TONIGHT. STRONG UPPER TROUGH IS MOVING NEWD ACROSS THE SRN HIGH PLAINS WITH BAND OF 50-60 KT WSWLY MID-LEVEL WINDS MOVING INTO CENTRAL TX. VAD PROFILES SHOW WINDS VEERING/INCREASING WITH HEIGHT AND FAVORABLE DEEP LAYER SHEAR AND HELICITY FOR CONTINUED SUPERCELL THREAT...ESPECIALLY OVER CENTRAL TX. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 24030. ...WEISS 295,0995 335,0975 335,0954 295,0975
Nearby
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.