Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 576
The Storm Prediction Center issued this severe thunderstorm watch at Jul 6, 2004, 3:50 AM CDT for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 6, 2004, 3:50 AM CDT (08:50 UTC)
- Expired
- Jul 6, 2004, 9:00 AM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 65 counties
Benton County, AR, Carroll County, AR, Crawford County, AR, Madison County, AR, Sebastian County, AR, Washington County, AR, Barry County, MO, McDonald County, MO, Stone County, MO, Adair County, OK, Atoka County, OK, Caddo County, OK, Canadian County, OK, Carter County, OK, Cherokee County, OK, Choctaw County, OK, Cleveland County, OK, Coal County, OK, Comanche County, OK, Cotton County, OK, Craig County, OK, Creek County, OK, Delaware County, OK, Garfield County, OK, Garvin County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Jefferson County, OK, Johnston County, OK, Kay County, OK, Kingfisher County, OK, Kiowa County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Marshall County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Murray County, OK, Muskogee County, OK, Noble County, OK, Nowata County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Pushmataha County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Tillman County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK, Wilbarger County, TX
The radar
The Norman radar (KTLX), 31 km from the middle of the area, began a volume at 08:50 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
4 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 3:57 AM CDT | Severe Thunderstorm Warning | OUN | Canadian, Kingfisher, Logan, Oklahoma, Payne | 48 min |
| Jul 6, 5:24 AM CDT | Severe Thunderstorm Warning | OUN | Comanche | 36 min |
| Jul 6, 6:06 AM CDT | Severe Thunderstorm Warning | OUN | Grady, Stephens | 24 min |
| Jul 6, 6:23 AM CDT | Severe Thunderstorm Warning | OUN | Garvin | 52 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, 8.8 hours before the alert went out and 36 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
- 2846 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1476 m above ground
- 0-6 km bulk shear
- 29 kt
- 0-1 km storm-relative helicity
- 60 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.3
- Supercell composite
- 3.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 6, 5:18 AM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Crawford, Madison, Washington | 117 min |
| Jul 6, 11:01 AM CDT | Mesoscale Discussion | SPC | Clay, Fulton, Randolph, Sharp | 59 min |
| Jul 6, 12:10 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Cleburne, Craighead, Crittenden, Cross, Faulkner and 15 more | 6 hr |
| Jul 6, 2:34 PM CDT | Mesoscale Discussion | SPC | Clay, Mississippi | 56 min |
| Jul 6, 5:37 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Fulton, Greene, Lawrence, Randolph and 1 more | 53 min |
| Jul 5, 7:05 PM CDT | Mesoscale Discussion | SPC | Camden, Cole, Crawford, Dallas, Franklin, Gasconade and 13 more | 55 min |
| Jul 5, 10:00 PM CDT | Severe Thunderstorm Watch | SPC | Andrew, Atchison, Buchanan, Holt, Nodaway, Worth | 6 hr |
| Jul 5, 11:44 PM CDT | Mesoscale Discussion | SPC | Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren and 1 more | 91 min |
| Jul 6, 1:16 AM CDT | Mesoscale Discussion | SPC | Andrew, Atchison, Buchanan, Holt, Nodaway, Worth | 119 min |
| Jul 6, 2:45 AM CDT | Mesoscale Discussion | SPC | Audrain, Bates, Benton, Boone, Buchanan, Caldwell and 33 more | 2 hr |
| Jul 6, 3:10 AM CDT | Severe Thunderstorm Watch | SPC | Barton, Bates, Benton, Boone, Buchanan, Caldwell and 30 more | 5 hr |
| Jul 6, 6:50 AM CDT | Severe Thunderstorm Watch | SPC | Audrain, Callaway, Cole, Franklin, Gasconade, Jefferson and 11 more | 4 hr |
| Jul 6, 2:53 PM CDT | Mesoscale Discussion | SPC | City of Saint Louis | 37 min |
| Jul 5, 7:54 PM CDT | Mesoscale Discussion | SPC | Adair, Alfalfa, Cherokee, Craig, Delaware, Garfield and 14 more | 96 min |
| Jul 5, 11:31 PM CDT | Mesoscale Discussion | SPC | Alfalfa, Beaver, Blaine, Custer, Dewey, Ellis and 7 more | 59 min |
| Jul 5, 11:45 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Beaver, Blaine, Canadian, Custer, Dewey and 16 more | 4 hr |
| Jul 6, 3:31 PM CDT | Mesoscale Discussion | SPC | Cimarron, Harmon | 2 hr |
| Jul 6, 3:55 PM CDT | Severe Thunderstorm Watch | SPC | Bailey, Carson, Castro, Cochran, Dallam, Deaf Smith and 14 more | 6 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2004Severe Thunderstorm Watches in Arkansas, 2004Severe Thunderstorm Watches in Missouri, 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.