Alert archive / Texas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 47
The Storm Prediction Center issued this severe thunderstorm watch at Mar 17, 2003, 12:45 PM CST for 25 counties in Oklahoma; 35 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Mar 17, 2003, 12:45 PM CST (18:45 UTC)
- Expired
- Mar 17, 2003, 7:00 PM CST
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 60 counties
Bryan County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kiowa County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Okfuskee County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Washita County, OK, Anderson County, TX, Archer County, TX, Bosque County, TX, Clay County, TX, Collin County, TX, Cooke County, TX, Dallas County, TX, Denton County, TX, Ellis County, TX, Erath County, TX, Fannin County, TX, Freestone County, TX, Grayson County, TX, Hamilton County, TX, Henderson County, TX, Hill County, TX, Hood County, TX, Hunt County, TX, Jack County, TX, Johnson County, TX, Kaufman County, TX, Limestone County, TX, McLennan County, TX, Montague County, TX, Navarro County, TX, Palo Pinto County, TX, Parker County, TX, Rains County, TX, Rockwall County, TX, Somervell 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), 153 km from the middle of the area, began a volume at 18:45 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
33 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 17, 1:43 PM CST | Severe Thunderstorm Warning | OUN | Garvin | 47 min |
| Mar 17, 1:55 PM CST | Severe Thunderstorm Warning | OUN | Kiowa | 65 min |
| Mar 17, 2:06 PM CST | Severe Thunderstorm Warning | FWD | Young | 54 min |
| Mar 17, 2:08 PM CST | Severe Thunderstorm Warning | OUN | McClain, Pottawatomie | 52 min |
| Mar 17, 2:41 PM CST | Tornado Warning | OUN | Kiowa | 34 min |
| Mar 17, 2:48 PM CST | Severe Thunderstorm Warning | OUN | Garvin, Stephens | 42 min |
| Mar 17, 2:52 PM CST | Severe Thunderstorm Warning | OUN | Cotton | 53 min |
| Mar 17, 2:56 PM CST | Severe Thunderstorm Warning | FWD | Young | 49 min |
| Mar 17, 2:59 PM CST | Severe Thunderstorm Warning | OUN | Washita | 61 min |
| Mar 17, 3:04 PM CST | Severe Thunderstorm Warning | OUN | Caddo | 56 min |
| Mar 17, 3:06 PM CST | Severe Thunderstorm Warning | FWD | Palo Pinto | 54 min |
| Mar 17, 3:13 PM CST | Tornado Warning | OUN | Kiowa | 32 min |
| Mar 17, 3:22 PM CST | Tornado Warning | OUN | Caddo | 23 min |
| Mar 17, 3:43 PM CST | Tornado Warning | OUN | Washita | 47 min |
| Mar 17, 3:46 PM CST | Severe Thunderstorm Warning | OUN | Cotton | 44 min |
| Mar 17, 4:11 PM CST | Severe Thunderstorm Warning | OUN | Caddo | 49 min |
| Mar 17, 4:12 PM CST | Severe Thunderstorm Warning | FWD | Palo Pinto | 63 min |
| Mar 17, 4:32 PM CST | Severe Thunderstorm Warning | OUN | Canadian | 58 min |
| Mar 17, 4:34 PM CST | Severe Thunderstorm Warning | OUN | Cotton | 56 min |
| Mar 17, 4:36 PM CST | Tornado Warning | OUN | Caddo | 24 min |
| Mar 17, 4:40 PM CST | Severe Thunderstorm Warning | OUN | Stephens | 65 min |
| Mar 17, 4:49 PM CST | Severe Thunderstorm Warning | FWD | Parker | 71 min |
| Mar 17, 5:00 PM CST | Tornado Warning | OUN | Caddo | 30 min |
| Mar 17, 5:07 PM CST | Tornado Warning | OUN | Canadian | 23 min |
| Mar 17, 5:13 PM CST | Severe Thunderstorm Warning | OUN | Comanche | 47 min |
| Mar 17, 5:15 PM CST | Tornado Warning | OUN | Stephens | 45 min |
| Mar 17, 5:17 PM CST | Severe Thunderstorm Warning | FWD | Palo Pinto | 43 min |
| Mar 17, 5:29 PM CST | Severe Thunderstorm Warning | OUN | Canadian | 61 min |
| Mar 17, 5:32 PM CST | Tornado Warning | FWD | Palo Pinto | 43 min |
| Mar 17, 5:49 PM CST | Tornado Warning | FWD | Parker | 41 min |
| Mar 17, 6:01 PM CST | Tornado Warning | OUN | Comanche, Stephens | 29 min |
| Mar 17, 6:31 PM CST | Severe Thunderstorm Warning | OUN | Grady, Stephens | 44 min |
| Mar 17, 6:43 PM CST | Severe Thunderstorm Warning | OUN | Cleveland | 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, 6.8 hours before the alert went out and 125 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
- 365 J/kg
- Mixed-layer CIN
- -231 J/kg
- Mixed-layer LCL
- 831 m above ground
- 0-6 km bulk shear
- 21 kt
- 0-1 km storm-relative helicity
- 66 m²/s²
- 0-3 km storm-relative helicity
- 82 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Mar 16, 8:09 PM CST | Mesoscale Discussion | SPC | Beckham, Greer, Harmon, Jackson | 3 hr |
| Mar 17, 11:40 AM CST | Mesoscale Discussion | SPC | Alfalfa, Beaver, Blaine, Caddo, Canadian, Comanche and 16 more | 3 hr |
| Mar 17, 1:55 PM CST | Severe Thunderstorm Watch | SPC | Alfalfa, Blaine, Custer, Dewey, Garfield, Grant and 10 more | 5 hr |
| Mar 17, 2:47 PM CST | Mesoscale Discussion | SPC | Alfalfa, Blaine, Canadian, Garfield, Grant, Kingfisher and 2 more | 118 min |
| Mar 17, 3:02 PM CST | Mesoscale Discussion | SPC | Carter, Jefferson, Love | 118 min |
| Mar 17, 3:24 PM CST | Mesoscale Discussion | SPC | Beaver, Beckham, Carter, Greer, Jackson, Jefferson and 3 more | 2 hr |
| Mar 17, 5:50 PM CST | Tornado Watch | SPC | Bryan, Caddo, Canadian, Carter, Cleveland, Coal and 19 more | 5 hr |
| Mar 17, 11:17 AM CST | Mesoscale Discussion | SPC | Anderson, Bosque, Collin, Dallas, Denton, Ellis and 19 more | 2 hr |
Nearby
Severe Thunderstorm Watches in Texas, 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.