Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 73
The Storm Prediction Center issued this severe thunderstorm watch at Mar 25, 2003, 3:05 PM CST for 7 counties in Arkansas; 5 counties in Oklahoma; 32 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 25, 2003, 3:05 PM CST (21:05 UTC)
- Expired
- Mar 25, 2003, 9:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 44 counties
Howard County, AR, Little River County, AR, Montgomery County, AR, Pike County, AR, Polk County, AR, Scott County, AR, Sevier County, AR, Choctaw County, OK, Latimer County, OK, LeFlore County, OK, McCurtain County, OK, Pushmataha County, OK, Anderson County, TX, Bosque County, TX, Bowie County, TX, Camp County, TX, Collin County, TX, Coryell County, TX, Dallas County, TX, Delta County, TX, Ellis County, TX, Falls County, TX, Fannin County, TX, Franklin County, TX, Freestone County, TX, Henderson County, TX, Hill County, TX, Hopkins County, TX, Hunt County, TX, Kaufman County, TX, Lamar County, TX, Leon County, TX, Limestone County, TX, McLennan County, TX, Morris County, TX, Navarro County, TX, Rains County, TX, Red River County, TX, Rockwall County, TX, Smith County, TX, Titus County, TX, Upshur County, TX, Van Zandt County, TX, Wood County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 110 km from the middle of the area, began a volume at 21:04 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
17 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 3:45 PM CST | Severe Thunderstorm Warning | TSA | Choctaw | 45 min |
| Mar 25, 3:59 PM CST | Severe Thunderstorm Warning | FWD | Fannin, Lamar | 46 min |
| Mar 25, 4:33 PM CST | Severe Thunderstorm Warning | FWD | Bell, McLennan | 57 min |
| Mar 25, 5:27 PM CST | Severe Thunderstorm Warning | FWD | McLennan | 63 min |
| Mar 25, 5:37 PM CST | Severe Thunderstorm Warning | SHV | Red River | 23 min |
| Mar 25, 5:56 PM CST | Severe Thunderstorm Warning | FWD | Falls | 64 min |
| Mar 25, 5:59 PM CST | Severe Thunderstorm Warning | SHV | McCurtain | 31 min |
| Mar 25, 6:00 PM CST | Severe Thunderstorm Warning | FWD | Hunt, Rockwall | 60 min |
| Mar 25, 6:01 PM CST | Severe Thunderstorm Warning | SHV | Bowie, Red River | 29 min |
| Mar 25, 6:35 PM CST | Severe Thunderstorm Warning | SHV | Red River | 25 min |
| Mar 25, 6:43 PM CST | Severe Thunderstorm Warning | FWD | Kaufman | 47 min |
| Mar 25, 6:56 PM CST | Severe Thunderstorm Warning | FWD | Ellis | 49 min |
| Mar 25, 7:01 PM CST | Severe Thunderstorm Warning | SHV | Titus | 44 min |
| Mar 25, 7:02 PM CST | Severe Thunderstorm Warning | FWD | Falls | 58 min |
| Mar 25, 7:27 PM CST | Severe Thunderstorm Warning | FWD | Navarro | 63 min |
| Mar 25, 7:37 PM CST | Severe Thunderstorm Warning | SHV | Little River | 38 min |
| Mar 25, 8:04 PM CST | Severe Thunderstorm Warning | SHV | Morris | 41 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, 9.1 hours before the alert went out and 109 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
- 771 J/kg
- Mixed-layer CIN
- -366 J/kg
- Mixed-layer LCL
- 593 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 287 m²/s²
- 0-3 km storm-relative helicity
- 332 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000 WWUS20 KWNS 252101 SEL3 WWUS20 KWNS 252105 SPC WW 252105 ARZ000-OKZ000-TXZ000-260300- URGENT - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WATCH NUMBER 73 STORM PREDICTION CENTER NORMAN OK 305 PM CST TUE MAR 25 2003 THE STORM PREDICTION CENTER HAS ISSUED A SEVERE THUNDERSTORM WATCH FOR PORTIONS OF SOUTHWEST ARKANSAS SOUTHEAST OKLAHOMA NORTHCENTRAL AND NORTHEAST TEXAS EFFECTIVE THIS TUESDAY AFTERNOON AND EVENING FROM 305 PM UNTIL 900 PM CST. HAIL TO 3 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 70 STATUTE MILES EAST AND WEST OF A LINE FROM 35 MILES SOUTH SOUTHEAST OF WACO TEXAS TO 30 MILES NORTHEAST OF PAGE OKLAHOMA. 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY DO PRODUCE TORNADOES. OTHER WATCH INFORMATION... CONTINUE...WW 72... DISCUSSION...AIRMASS AHEAD OF COLD FRONT HAS BECOME MODERATELY UNSTABLE ACROSS NRN TX INTO SWRN AR. WITH STEEP MID LEVEL LAPSE RATES AND RELATIVELY COLD AIR ALOFT...THUNDERSTORMS WILL RAPIDLY DEVELOP AND BECOME SEVERE VICINITY OF FRONT. PRIMARY THREAT WILL BE LARGE HAIL. AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 3 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM MOTION VECTOR 26030. ...HALES 345,0930 310,0954 310,0981 345,0952
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 25, 1:39 PM CST | Mesoscale Discussion | SPC | Howard, Little River, Sevier | 3 hr |
| Mar 25, 1:58 PM CST | Mesoscale Discussion | SPC | Clay, Cleburne, Conway, Craighead, Faulkner, Greene and 11 more | 2 hr |
| Mar 25, 2:40 PM CST | Severe Thunderstorm Watch | SPC | Baxter, Boone, Clay, Cleburne, Conway, Craighead and 15 more | 5 hr |
| Mar 25, 4:55 PM CST | Mesoscale Discussion | SPC | Arkansas, Calhoun, Clark, Cleveland, Crittenden, Cross and 19 more | 3 hr |
| Mar 25, 5:20 PM CST | Severe Thunderstorm Watch | SPC | Arkansas, Calhoun, Clark, Cleveland, Conway, Craighead and 36 more | 6 hr |
| Mar 25, 5:39 PM CST | Mesoscale Discussion | SPC | Arkansas, Calhoun, Clark, Cleveland, Crittenden, Cross and 19 more | 2 hr |
| Mar 24, 8:45 PM CST | Mesoscale Discussion | SPC | Caddo, Canadian, Cleveland, Comanche, Creek, Grady and 17 more | 3 hr |
| Mar 25, 2:33 AM CST | Mesoscale Discussion | SPC | Alfalfa, Craig, Garfield, Grant, Kay, Major and 8 more | 3 hr |
| Mar 25, 3:30 PM CST | Severe Thunderstorm Watch | SPC | Atascosa, Bastrop, Bee, Bell, Bexar, Blanco and 28 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Texas, 2003Severe Thunderstorm Watches in Arkansas, 2003Severe Thunderstorm Watches in Oklahoma, 2003Every severe thunderstorm watch in 2003
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.