Alert archive / Oklahoma / Tornado Watches in 2008
Tornado Watch 153
The Storm Prediction Center issued this tornado watch at Apr 3, 2008, 2:04 PM CDT for 29 counties in Oklahoma; 22 counties in Texas. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 3, 2008, 2:04 PM CDT (19:04 UTC)
- Expired
- Apr 3, 2008, 8:33 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 4 in
- Strongest gust expected
- 60 kt
All 51 counties
Atoka County, OK, 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, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Love County, OK, Marshall County, OK, McClain County, OK, Murray County, OK, Noble County, OK, Oklahoma County, OK, Payne County, OK, Pontotoc County, OK, Pottawatomie County, OK, Seminole County, OK, Stephens County, OK, Tillman County, OK, Archer County, TX, Baylor County, TX, Callahan County, TX, Clay County, TX, Cooke County, TX, Eastland County, TX, Fisher County, TX, Haskell County, TX, Jack County, TX, Jones County, TX, Montague County, TX, Nolan County, TX, Palo Pinto County, TX, Parker County, TX, Shackelford County, TX, Stephens County, TX, Taylor County, TX, Throckmorton County, TX, Wichita County, TX, Wilbarger County, TX, Wise County, TX, Young County, TX
The radar
The Altus AFB radar (KFDR), 78 km from the middle of the area, began a volume at 19:07 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 40%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 40%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 95%
- One or more hailstones of 2 inches or more
- 80%
- Six or more combined severe hail and wind reports
- 95%
Warnings issued inside it
25 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 3, 2:15 PM CDT | Severe Thunderstorm Warning | OUN | Cotton | 45 min |
| Apr 3, 2:39 PM CDT | Severe Thunderstorm Warning | OUN | Cotton, Jefferson, Stephens | 51 min |
| Apr 3, 2:58 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Baylor, Wichita | 47 min |
| Apr 3, 3:18 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Jefferson, Stephens | 27 min |
| Apr 3, 3:20 PM CDT | Severe Thunderstorm Warning | OUN | Hughes | 25 min |
| Apr 3, 3:32 PM CDT | Severe Thunderstorm Warning | OUN | Archer, Clay, Wichita | 43 min |
| Apr 3, 3:40 PM CDT | Severe Thunderstorm Warning | OUN | Archer | 50 min |
| Apr 3, 4:05 PM CDT | Severe Thunderstorm Warning | SJT | Haskell, Throckmorton | 40 min |
| Apr 3, 4:09 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson | 51 min |
| Apr 3, 4:30 PM CDT | Severe Thunderstorm Warning | FWD | Montague | 45 min |
| Apr 3, 4:37 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Jefferson, Love | 38 min |
| Apr 3, 4:50 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 25 min |
| Apr 3, 5:03 PM CDT | Severe Thunderstorm Warning | FWD | Cooke | 57 min |
| Apr 3, 5:09 PM CDT | Severe Thunderstorm Warning | FWD | Young | 66 min |
| Apr 3, 5:10 PM CDT | Severe Thunderstorm Warning | OUN | Carter, Jefferson, Johnston, Love, Marshall | 50 min |
| Apr 3, 5:13 PM CDT | Severe Thunderstorm Warning | SJT | Throckmorton | 15 min |
| Apr 3, 5:50 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Grady, McClain | 25 min |
| Apr 3, 5:59 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Carter, Coal, Johnston, Marshall | 46 min |
| Apr 3, 6:07 PM CDT | Severe Thunderstorm Warning | FWD | Jack | 53 min |
| Apr 3, 6:14 PM CDT | Severe Thunderstorm Warning | OUN | Cleveland, Pottawatomie | 31 min |
| Apr 3, 6:30 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan, Coal | 45 min |
| Apr 3, 6:48 PM CDT | Severe Thunderstorm Warning | OUN | Atoka, Bryan | 42 min |
| Apr 3, 6:48 PM CDT | Severe Thunderstorm Warning | FWD | Montague, Wise | 41 min |
| Apr 3, 7:44 PM CDT | Severe Thunderstorm Warning | OUN | Garvin, Grady, Stephens | 46 min |
| Apr 3, 7:54 PM CDT | Severe Thunderstorm Warning | OUN | Hughes, Seminole | 51 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, 7.1 hours before the alert went out and 103 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, 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, 2:39 PM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Craig, Delaware, Haskell, Latimer and 11 more | 66 min |
| Apr 3, 3:50 PM CDT | Tornado Watch | SPC | Adair, Cherokee, Choctaw, Creek, Delaware, Haskell and 15 more | 5 hr |
| Apr 3, 5:32 PM CDT | Mesoscale Discussion | SPC | Bryan, Choctaw, McCurtain, Marshall | 58 min |
| Apr 3, 5:54 PM CDT | Tornado Watch | SPC | McCurtain | 3 hr |
| Apr 3, 6:12 PM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Bryan, Carter, Cherokee, Cleveland and 34 more | 2 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 Oklahoma, 2008Tornado Watches in Texas, 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.