Alert archive / Texas / Tornado Watches in 2003
Tornado Watch 93
The Storm Prediction Center issued this tornado watch at Apr 5, 2003, 4:30 PM CST for 28 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 5, 2003, 4:30 PM CST (22:30 UTC)
- Expired
- Apr 5, 2003, 10:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 28 counties
Archer County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Delta County, TX, Denton County, TX, Ellis County, TX, Fannin County, TX, Grayson County, TX, Henderson County, TX, Hood County, TX, Hopkins County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Montague County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Stephens County, TX, Tarrant County, TX, Van Zandt County, TX, Wichita County, TX, Wise County, TX, Young County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 94 km from the middle of the area, began a volume at 22:32 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
22 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 5:05 PM CST | Tornado Warning | FWD | Stephens, Young | 40 min |
| Apr 5, 5:45 PM CST | Tornado Warning | FWD | Jack, Palo Pinto, Stephens, Young | 45 min |
| Apr 5, 6:29 PM CST | Tornado Warning | FWD | Palo Pinto, Parker | 61 min |
| Apr 5, 6:34 PM CST | Severe Thunderstorm Warning | FWD | Jack, Young | 56 min |
| Apr 5, 6:52 PM CST | Tornado Warning | FWD | Parker, Tarrant | 53 min |
| Apr 5, 7:20 PM CST | Flash Flood Warning | FWD | Tarrant | 4 hr |
| Apr 5, 7:25 PM CST | Severe Thunderstorm Warning | FWD | Jack | 50 min |
| Apr 5, 7:40 PM CST | Severe Thunderstorm Warning | OUN | Wichita, Wilbarger | 50 min |
| Apr 5, 7:44 PM CST | Tornado Warning | FWD | Parker, Tarrant | 61 min |
| Apr 5, 8:07 PM CST | Severe Thunderstorm Warning | OUN | Archer, Baylor | 53 min |
| Apr 5, 8:09 PM CST | Tornado Warning | FWD | Dallas, Tarrant | 51 min |
| Apr 5, 8:16 PM CST | Flash Flood Warning | FWD | Dallas | 4 hr |
| Apr 5, 8:20 PM CST | Severe Thunderstorm Warning | FWD | Parker, Wise | 55 min |
| Apr 5, 8:33 PM CST | Severe Thunderstorm Warning | OUN | Clay, Wichita | 42 min |
| Apr 5, 8:46 PM CST | Severe Thunderstorm Warning | FWD | Collin | 59 min |
| Apr 5, 8:59 PM CST | Severe Thunderstorm Warning | FWD | Dallas, Rockwall | 46 min |
| Apr 5, 9:06 PM CST | Severe Thunderstorm Warning | FWD | Denton, Tarrant, Wise | 54 min |
| Apr 5, 9:12 PM CST | Severe Thunderstorm Warning | OUN | Clay | 63 min |
| Apr 5, 9:25 PM CST | Severe Thunderstorm Warning | FWD | Montague | 65 min |
| Apr 5, 9:32 PM CST | Severe Thunderstorm Warning | FWD | Hunt | 58 min |
| Apr 5, 9:42 PM CST | Severe Thunderstorm Warning | FWD | Collin, Dallas, Rockwall | 63 min |
| Apr 5, 9:58 PM CST | Severe Thunderstorm Warning | FWD | Denton | 47 min |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Fort Worth, TX (KFWD), launched 12:00Z, 10.5 hours before the alert went out and 69 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
- 1337 m above ground
- 0-6 km bulk shear
- 58 kt
- 0-1 km storm-relative helicity
- 277 m²/s²
- 0-3 km storm-relative helicity
- 364 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.4
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 052233 SEL3 SPC WW 052230 TXZ000-060400- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 93 STORM PREDICTION CENTER NORMAN OK 430 PM CST SAT APR 5 2003 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTHCENTRAL TEXAS EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 430 PM UNTIL 1000 PM CST. ...THIS IS A PARTICULARLY DANGEROUS SITUATION... DAMAGING TORNADOES...LARGE HAIL TO 4 INCHES IN DIAMETER... THUNDERSTORM WIND GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES NORTH AND SOUTH OF A LINE FROM 55 MILES SOUTHWEST OF WICHITA FALLS TEXAS TO 80 MILES EAST 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... CONTINUE...WW 92... DISCUSSION...E/W WARM FRONT SHIFTING NWD THRU NRN TX WITH MOIST AND MODERATELY UNSTABLE AIRMASS TO THE S. STRONG VEERING SHEAR PROFILES VICINTY OF WARM FRONT COUPLED WITH STEEP LAPSE RATES HAVE CREATED A VERY FAVORABLE ENVIRONMENT FOR TORNADIC SUPERCELLS. CURRENTLY INTENSE SUPERCELL LOCATED OVER HASKELL COUNTY WILL CONTINUE EWD VICINITY WARM FRONT WITH INCREASING TORNADO POTENTIAL AS IT MOVES INTO THIS VERY FAVORABLE ENVIRONMENT. ADDITIONAL SEVERE THUNDERSTORMS ARE LIKELY TO DEVELOP VICINITY AND N OF WARM FRONT THRU THE EVENING. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 4 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. MEAN STORM MOTION VECTOR 27030. ...HALES 341,0991 333,0952 320,0952 323,0991
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 5, 12:21 PM CST | Mesoscale Discussion | SPC | Baylor, Borden, Briscoe, Callahan, Childress, Coke and 27 more | 3 hr |
| Apr 5, 1:50 PM CST | Tornado Watch | SPC | Baylor, Briscoe, Callahan, Childress, Coleman, Cottle and 22 more | 5 hr |
| Apr 5, 3:48 PM CST | Mesoscale Discussion | SPC | Archer, Baylor, Briscoe, Callahan, Childress, Clay and 39 more | 117 min |
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; radar from the NEXRAD Level II archive.