Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 733
The Storm Prediction Center issued this severe thunderstorm watch at Aug 10, 2004, 9:30 PM CDT for 4 counties in Kansas; 26 counties in Oklahoma. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Aug 10, 2004, 9:30 PM CDT (02:30 UTC)
- Expired
- Aug 11, 2004, 4:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 30 counties
Barber County, KS, Comanche County, KS, Harper County, KS, Kiowa County, KS, Alfalfa County, OK, Blaine County, OK, Canadian County, OK, Creek County, OK, Dewey County, OK, Ellis County, OK, Garfield County, OK, Grant County, OK, Harper County, OK, Hughes County, OK, Kay County, OK, Kingfisher County, OK, Lincoln County, OK, Logan County, OK, Major County, OK, Noble County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Pawnee County, OK, Payne County, OK, Pottawatomie County, OK, Seminole County, OK, Woods County, OK, Woodward County, OK
The radar
The Vance AFB radar (KVNX), 13 km from the middle of the area, began a volume at 02:32 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
11 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:31 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Grant, Kay, Noble | 44 min |
| Aug 10, 10:14 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Kay, Noble | 46 min |
| Aug 10, 10:25 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 50 min |
| Aug 10, 10:59 PM CDT | Severe Thunderstorm Warning | OUN | Garfield, Logan, Noble | 46 min |
| Aug 10, 11:13 PM CDT | Severe Thunderstorm Warning | TSA | Osage | 47 min |
| Aug 10, 11:16 PM CDT | Severe Thunderstorm Warning | OUN | Payne | 44 min |
| Aug 10, 11:37 PM CDT | Severe Thunderstorm Warning | OUN | Logan | 38 min |
| Aug 10, 11:51 PM CDT | Severe Thunderstorm Warning | OUN | Oklahoma | 39 min |
| Aug 11, 12:13 AM CDT | Severe Thunderstorm Warning | OUN | Logan, Oklahoma | 47 min |
| Aug 11, 12:48 AM CDT | Severe Thunderstorm Warning | TSA | Osage | 57 min |
| Aug 11, 12:58 AM CDT | Severe Thunderstorm Warning | OUN | Oklahoma, Pottawatomie | 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
Norman, OK (KOUN), launched 00:00Z, 2.5 hours before the alert went out and 177 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
- 1974 J/kg
- Mixed-layer CIN
- -28 J/kg
- Mixed-layer LCL
- 1562 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- -18 m²/s²
- 0-3 km storm-relative helicity
- 12 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.1
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 10, 9:15 PM CDT | Mesoscale Discussion | SPC | Barber, Comanche, Harper, Kiowa | 60 min |
| Aug 10, 10:16 PM CDT | Mesoscale Discussion | SPC | Finney, Gove, Grant, Gray, Haskell, Kearny and 10 more | 59 min |
| Aug 10, 11:30 PM CDT | Severe Thunderstorm Watch | SPC | Barton, Clark, Edwards, Finney, Ford, Grant and 17 more | 5 hr |
| Aug 11, 2:42 AM CDT | Mesoscale Discussion | SPC | Barber, Clark, Comanche, Harper, Kiowa | 2 hr |
| Aug 10, 11:43 PM CDT | Mesoscale Discussion | SPC | Blaine, Canadian, Creek, Custer, Dewey, Garfield and 10 more | 62 min |
| Aug 11, 1:05 AM CDT | Severe Thunderstorm Watch | SPC | Atoka, Beckham, Blaine, Bryan, Caddo, Canadian and 34 more | 6 hr |
| Aug 11, 1:07 AM CDT | Mesoscale Discussion | SPC | Adair, Cherokee, Delaware, Haskell, LeFlore, McIntosh and 5 more | 113 min |
| Aug 11, 1:35 AM CDT | Severe Thunderstorm Watch | SPC | Adair, Cherokee, Craig, Delaware, Haskell, LeFlore and 7 more | 5 hr |
| Aug 11, 5:23 AM CDT | Mesoscale Discussion | SPC | Adair, Atoka, Blaine, Bryan, Caddo, Canadian and 43 more | 97 min |
| Aug 11, 6:49 AM CDT | Mesoscale Discussion | SPC | Atoka, Bryan, Choctaw, Coal, Haskell, Johnston and 7 more | 116 min |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2004Severe Thunderstorm Watches in Kansas, 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.