Alert archive / Oklahoma / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 111
The Storm Prediction Center issued this severe thunderstorm watch at Apr 23, 2004, 2:10 PM CDT for 4 counties in Arkansas; 36 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 23, 2004, 2:10 PM CDT (19:10 UTC)
- Expired
- Apr 23, 2004, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 40 counties
Benton County, AR, Crawford County, AR, Sebastian County, AR, Washington County, AR, Adair County, OK, Blaine County, OK, Caddo County, OK, Canadian County, OK, Cherokee County, OK, Cleveland County, OK, Comanche County, OK, Creek County, OK, Delaware County, OK, Garvin County, OK, Grady County, OK, Haskell County, OK, Hughes County, OK, Kingfisher County, OK, Latimer County, OK, LeFlore County, OK, Lincoln County, OK, Logan County, OK, Mayes County, OK, McClain County, OK, McIntosh County, OK, Muskogee County, OK, Okfuskee County, OK, Oklahoma County, OK, Okmulgee County, OK, Pawnee County, OK, Payne County, OK, Pittsburg County, OK, Pontotoc County, OK, Pottawatomie County, OK, Rogers County, OK, Seminole County, OK, Sequoyah County, OK, Stephens County, OK, Tulsa County, OK, Wagoner County, OK
The radar
The Norman radar (KTLX), 51 km from the middle of the area, began a volume at 19:11 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
18 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 23, 3:19 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 41 min |
| Apr 23, 3:58 PM CDT | Severe Thunderstorm Warning | OUN | Comanche, Stephens | 47 min |
| Apr 23, 4:21 PM CDT | Flash Flood Warning | TSA | Adair, Cherokee | 4 hr |
| Apr 23, 4:29 PM CDT | Severe Thunderstorm Warning | OUN | Blaine | 46 min |
| Apr 23, 4:44 PM CDT | Severe Thunderstorm Warning | OUN | Stephens | 46 min |
| Apr 23, 4:52 PM CDT | Flash Flood Warning | OUN | Stephens | 3 hr |
| Apr 23, 5:11 PM CDT | Severe Thunderstorm Warning | OUN | Blaine, Major | 49 min |
| Apr 23, 5:15 PM CDT | Flash Flood Warning | TSA | Benton | 4 hr |
| Apr 23, 5:23 PM CDT | Severe Thunderstorm Warning | OUN | Caddo, Canadian | 37 min |
| Apr 23, 5:27 PM CDT | Severe Thunderstorm Warning | OUN | Jefferson, Stephens | 48 min |
| Apr 23, 6:08 PM CDT | Severe Thunderstorm Warning | OUN | Garvin | 52 min |
| Apr 23, 6:14 PM CDT | Severe Thunderstorm Warning | OUN | Stephens | 46 min |
| Apr 23, 6:23 PM CDT | Flash Flood Warning | TSA | McIntosh | 4 hr |
| Apr 23, 6:24 PM CDT | Severe Thunderstorm Warning | TSA | Cherokee | 51 min |
| Apr 23, 6:28 PM CDT | Severe Thunderstorm Warning | OUN | Blaine | 47 min |
| Apr 23, 6:43 PM CDT | Severe Thunderstorm Warning | TSA | Adair | 47 min |
| Apr 23, 7:33 PM CDT | Severe Thunderstorm Warning | TSA | McIntosh | 42 min |
| Apr 23, 7:37 PM CDT | Severe Thunderstorm Warning | OUN | Comanche | 38 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, 7.2 hours before the alert went out and 68 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
- 810 J/kg
- Mixed-layer CIN
- -125 J/kg
- Mixed-layer LCL
- 450 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- 260 m²/s²
- 0-3 km storm-relative helicity
- 262 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 6.8
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 7:10 PM CDT | Mesoscale Discussion | SPC | Boone, Franklin, Howard, Johnson, Logan, Madison and 5 more | 35 min |
| Apr 22, 7:50 PM CDT | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 10 more | 4 hr |
| Apr 22, 9:50 PM CDT | Severe Thunderstorm Watch | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 25 more | 6 hr |
| Apr 22, 10:52 PM CDT | Mesoscale Discussion | SPC | Conway, Pope, Searcy, Stone, Van Buren | 53 min |
| Apr 22, 11:25 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more | 65 min |
| Apr 22, 11:40 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 4 more | 6 hr |
| Apr 23, 12:54 AM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Conway and 25 more | 96 min |
| Apr 23, 3:12 AM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Lawrence and 5 more | 93 min |
| Apr 23, 7:33 AM CDT | Mesoscale Discussion | SPC | Craighead, Crittenden, Cross, Jackson, Lee, Poinsett and 2 more | 87 min |
| Apr 23, 10:37 AM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Fulton, Izard and 3 more | 113 min |
| Apr 23, 6:01 PM CDT | Mesoscale Discussion | SPC | Crawford, Scott, Sebastian | 59 min |
| Apr 22, 8:00 PM CDT | Mesoscale Discussion | SPC | Love | 60 min |
| Apr 22, 11:47 PM CDT | Mesoscale Discussion | SPC | Beaver, Custer, Dewey, Ellis, Harper, Major and 3 more | 58 min |
| Apr 23, 10:10 AM CDT | Mesoscale Discussion | SPC | Beaver, Beckham, Blaine, Custer, Dewey, Ellis and 11 more | 3 hr |
| Apr 23, 12:15 PM CDT | Tornado Watch | SPC | Carter, Cotton, Jefferson, Tillman | 6 hr |
| Apr 23, 1:46 PM CDT | Mesoscale Discussion | SPC | Adair, Caddo, Canadian, Carter, Cherokee, Cleveland and 29 more | 119 min |
| Apr 23, 3:05 PM CDT | Mesoscale Discussion | SPC | Cotton, Garvin, Murray, Pontotoc, Stephens | 85 min |
| Apr 23, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | Alfalfa, Craig, Garfield, Grant, Kay, Major and 5 more | 5 hr |
| Apr 23, 4:40 PM CDT | Mesoscale Discussion | SPC | Carter, Jefferson | 65 min |
| Apr 23, 5:30 PM CDT | Severe Thunderstorm Watch | SPC | Carter, Cotton, Jefferson, Johnston, Love, Marshall and 3 more | 7 hr |
Nearby
Severe Thunderstorm Watches in Oklahoma, 2004Severe Thunderstorm Watches in Arkansas, 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.