Alert archive / Texas / Tornado Watches in 2008
Tornado Watch 156
The Storm Prediction Center issued this tornado watch at Apr 3, 2008, 5:54 PM CDT for 4 counties in Arkansas; McCurtain County, Oklahoma; 15 counties in Texas. It was in force for 3 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2008, 5:54 PM CDT (22:54 UTC)
- Expired
- Apr 3, 2008, 8:33 PM CDT
- In force
- 3 hr
- Issued by
- the Storm Prediction Center
Counties Howard County, AR, Little River County, AR, Miller County, AR, Sevier County, AR, McCurtain County, OK, Bowie County, TX, Camp County, TX, Cass County, TX, Collin County, TX, Delta County, TX, Denton County, TX, Fannin County, TX, Franklin County, TX, Grayson County, TX, Hopkins County, TX, Hunt County, TX, Lamar County, TX, Morris County, TX, Red River County, TX, Titus County, TX
The radar
The Dallas/Ft Worth radar (KFWS), 164 km from the middle of the area, began a volume at 22:56 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
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 7:00 PM CDT | Severe Thunderstorm Warning | FWD | Fannin | 45 min |
| Apr 3, 7:23 PM CDT | Severe Thunderstorm Warning | FWD | Lamar | 52 min |
| Apr 3, 7:26 PM CDT | Severe Thunderstorm Warning | SHV | Red River | 49 min |
| Apr 3, 7:36 PM CDT | Severe Thunderstorm Warning | FWD | Fannin, Grayson | 54 min |
| Apr 3, 7:59 PM CDT | Severe Thunderstorm Warning | SHV | Little River, Sevier | 46 min |
| Apr 3, 8:27 PM CDT | Severe Thunderstorm Warning | FWD | Fannin, Lamar | 63 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
Norman, OK (KOUN), launched 12:00Z, 10.9 hours before the alert went out and 239 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
- 199 J/kg
- Mixed-layer CIN
- -238 J/kg
- Mixed-layer LCL
- 410 m above ground
- 0-6 km bulk shear
- 74 kt
- 0-1 km storm-relative helicity
- 666 m²/s²
- 0-3 km storm-relative helicity
- 625 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 7.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 5:22 AM CDT | Mesoscale Discussion | SPC | Arkansas, Cleburne, Cleveland, Conway, Crawford, Cross and 25 more | 113 min |
| Apr 3, 2:39 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Johnson, Logan, Madison and 6 more | 66 min |
| Apr 3, 3:50 PM CDT | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 20 more | 5 hr |
| Apr 3, 5:32 PM CDT | Mesoscale Discussion | SPC | Clark, Garland, Hempstead, Hot Spring, Howard, Lafayette and 9 more | 58 min |
| Apr 3, 6:12 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more | 2 hr |
| Apr 3, 10:47 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Carter, Choctaw, Coal, Jefferson and 5 more | 58 min |
| Apr 3, 1:42 PM CDT | Mesoscale Discussion | SPC | Caddo, Canadian, Carter, Cleveland, Comanche, Cotton and 17 more | 93 min |
| Apr 3, 2:04 PM CDT | Tornado Watch | SPC | Atoka, Bryan, Caddo, Canadian, Carter, Cleveland and 23 more | 6 hr |
| Apr 3, 3:28 PM CDT | Mesoscale Discussion | SPC | Coke, Crockett, Glasscock, Irion, Reagan, Sterling and 3 more | 62 min |
| Apr 3, 4:40 PM CDT | Tornado Watch | SPC | Crockett, Edwards, Kinney, Schleicher, Sutton, Terrell and 1 more | 3 hr |
Nearby
Tornado Watches in Texas, 2008Tornado Watches in Arkansas, 2008Tornado Watches in Oklahoma, 2008Every tornado watch in 2008
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.