Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 910
The Storm Prediction Center issued this severe thunderstorm watch at Dec 6, 2004, 12:40 PM CST for 26 counties in Oklahoma; 9 counties in Texas. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 6, 2004, 12:40 PM CST (18:40 UTC)
- Expired
- Dec 6, 2004, 6:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 35 counties
Atoka County, OK, Bryan County, OK, Caddo County, OK, Carter County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Garvin County, OK, Grady County, OK, Greer County, OK, Hughes County, OK, Jackson 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, Archer County, TX, Baylor County, TX, Clay County, TX, Cooke County, TX, Hardeman County, TX, Knox County, TX, Montague County, TX, Wichita County, TX, Wilbarger County, TX
The radar
The Altus AFB radar (KFDR), 70 km from the middle of the area, began a volume at 18:43 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
8 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 6, 12:55 PM CST | Severe Thunderstorm Warning | OUN | Baylor, Wilbarger | 50 min |
| Dec 6, 1:51 PM CST | Severe Thunderstorm Warning | OUN | Archer, Wichita | 39 min |
| Dec 6, 2:13 PM CST | Severe Thunderstorm Warning | OUN | Clay | 47 min |
| Dec 6, 2:33 PM CST | Severe Thunderstorm Warning | OUN | Archer | 42 min |
| Dec 6, 2:56 PM CST | Severe Thunderstorm Warning | OUN | Clay | 49 min |
| Dec 6, 3:14 PM CST | Severe Thunderstorm Warning | FWD | Montague | 61 min |
| Dec 6, 3:32 PM CST | Severe Thunderstorm Warning | OUN | Love | 43 min |
| Dec 6, 3:59 PM CST | Severe Thunderstorm Warning | OUN | Marshall | 46 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, 6.7 hours before the alert went out and 105 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
- 2357 m above ground
- 0-6 km bulk shear
- 55 kt
- 0-1 km storm-relative helicity
- 62 m²/s²
- 0-3 km storm-relative helicity
- 104 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 |
|---|---|---|---|---|
| Dec 6, 12:20 PM CST | Mesoscale Discussion | SPC | Caddo, Comanche, Cotton, Grady, Greer, Harmon and 6 more | 115 min |
| Dec 6, 4:58 PM CST | Mesoscale Discussion | SPC | Atoka, Bryan, Caddo, Carter, Choctaw, Cleveland and 28 more | 92 min |
| Dec 6, 5:45 PM CST | Severe Thunderstorm Watch | SPC | Adair, LeFlore, McCurtain, Sequoyah | 5 hr |
| Dec 6, 10:35 AM CST | Mesoscale Discussion | SPC | Borden, Callahan, Coke, Coleman, Fisher, Glasscock and 16 more | 115 min |
| Dec 6, 11:55 AM CST | Severe Thunderstorm Watch | SPC | Callahan, Coke, Coleman, Concho, Fisher, Haskell and 8 more | 5 hr |
| Dec 6, 1:30 PM CST | Mesoscale Discussion | SPC | Bosque, Brown, Callahan, Coleman, Comanche, Coryell and 17 more | 90 min |
| Dec 6, 1:45 PM CST | Severe Thunderstorm Watch | SPC | Archer, Bosque, Brown, Clay, Collin, Comanche and 30 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2004Severe Thunderstorm Watches in Texas, 2004Every severe thunderstorm watch in 2004
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.