Alert archive / Arkansas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 107
The Storm Prediction Center issued this severe thunderstorm watch at Apr 22, 2004, 9:50 PM CDT for 31 counties in Arkansas; 4 counties in Missouri; 11 counties in Oklahoma. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 22, 2004, 9:50 PM CDT (02:50 UTC)
- Expired
- Apr 23, 2004, 4:00 AM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 46 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Conway County, AR, Crawford County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Johnson County, AR, Lawrence County, AR, Logan County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Sharp County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Howell County, MO, Oregon County, MO, Ozark County, MO, Taney County, MO, Adair County, OK, Cherokee County, OK, Delaware County, OK, Haskell County, OK, Latimer County, OK, LeFlore County, OK, Mayes County, OK, Muskogee County, OK, Rogers County, OK, Sequoyah County, OK, Wagoner County, OK
The radar
The Western Arkansas radar (KSRX), 86 km from the middle of the area, began a volume at 02:54 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
40 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 22, 9:50 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 25 min |
| Apr 22, 9:51 PM CDT | Severe Thunderstorm Warning | TSA | Crawford | 24 min |
| Apr 22, 9:56 PM CDT | Severe Thunderstorm Warning | LZK | Johnson | 39 min |
| Apr 22, 9:56 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 64 min |
| Apr 22, 10:06 PM CDT | Severe Thunderstorm Warning | LZK | Pope | 14 min |
| Apr 22, 10:08 PM CDT | Severe Thunderstorm Warning | LZK | Newton | 52 min |
| Apr 22, 10:11 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 64 min |
| Apr 22, 10:12 PM CDT | Severe Thunderstorm Warning | LZK | Izard | 58 min |
| Apr 22, 10:25 PM CDT | Tornado Warning | LZK | Johnson | 40 min |
| Apr 22, 10:25 PM CDT | Severe Thunderstorm Warning | TSA | Sebastian | 65 min |
| Apr 22, 10:42 PM CDT | Severe Thunderstorm Warning | LZK | Baxter | 43 min |
| Apr 22, 10:47 PM CDT | Severe Thunderstorm Warning | LZK | Marion | 58 min |
| Apr 22, 10:50 PM CDT | Severe Thunderstorm Warning | LZK | Sharp | 60 min |
| Apr 22, 10:50 PM CDT | Severe Thunderstorm Warning | SGF | Oregon | 55 min |
| Apr 22, 10:59 PM CDT | Flash Flood Warning | LZK | Boone | 3 hr |
| Apr 22, 11:01 PM CDT | Severe Thunderstorm Warning | LZK | Searcy | 49 min |
| Apr 22, 11:06 PM CDT | Tornado Warning | LZK | Johnson | 34 min |
| Apr 22, 11:15 PM CDT | Flash Flood Warning | LZK | Baxter, Johnson, Marion, Newton | 3 hr |
| Apr 22, 11:16 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 59 min |
| Apr 22, 11:24 PM CDT | Flash Flood Warning | TSA | Franklin, Madison | 5 hr |
| Apr 22, 11:27 PM CDT | Severe Thunderstorm Warning | LZK | Pope | 43 min |
| Apr 22, 11:31 PM CDT | Flash Flood Warning | LZK | Fulton | 3 hr |
| Apr 22, 11:45 PM CDT | Flash Flood Warning | MEG | Lawrence | 2 hr |
| Apr 22, 11:46 PM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 44 min |
| Apr 22, 11:46 PM CDT | Severe Thunderstorm Warning | SGF | Oregon | 59 min |
| Apr 22, 11:50 PM CDT | Severe Thunderstorm Warning | MEG | Lawrence | 40 min |
| Apr 22, 11:51 PM CDT | Severe Thunderstorm Warning | LZK | Searcy | 39 min |
| Apr 23, 12:01 AM CDT | Severe Thunderstorm Warning | TSA | McIntosh, Muskogee | 59 min |
| Apr 23, 12:10 AM CDT | Severe Thunderstorm Warning | LZK | Stone | 50 min |
| Apr 23, 12:17 AM CDT | Flash Flood Warning | LZK | Pope, Searcy | 3 hr |
| Apr 23, 12:33 AM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 42 min |
| Apr 23, 12:36 AM CDT | Flash Flood Warning | LZK | Izard, Sharp | 3 hr |
| Apr 23, 12:37 AM CDT | Severe Thunderstorm Warning | LZK | Izard | 38 min |
| Apr 23, 12:49 AM CDT | Severe Thunderstorm Warning | TSA | Sequoyah | 41 min |
| Apr 23, 1:17 AM CDT | Severe Thunderstorm Warning | LZK | Van Buren | 43 min |
| Apr 23, 1:19 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 41 min |
| Apr 23, 1:27 AM CDT | Tornado Warning | LZK | Van Buren | 33 min |
| Apr 23, 1:31 AM CDT | Flash Flood Warning | MEG | Greene, Lawrence, Randolph | 59 min |
| Apr 23, 2:31 AM CDT | Severe Thunderstorm Warning | TSA | Adair | 29 min |
| Apr 23, 3:55 AM CDT | Flash Flood Warning | TSA | Franklin, Madison, Washington | 3 hr |
Discussions around it
SPC mesoscale discussions over the same counties from four hours before the watch to its end.
The nearest sounding before it
Springfield, MO (KSGF), launched 00:00Z, 2.8 hours before the alert went out and 111 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
- 112 J/kg
- Mixed-layer CIN
- -140 J/kg
- Mixed-layer LCL
- 785 m above ground
- 0-6 km bulk shear
- 70 kt
- 0-1 km storm-relative helicity
- 336 m²/s²
- 0-3 km storm-relative helicity
- 543 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 5.1
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, 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, 2:10 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Crawford, Sebastian, Washington | 6 hr |
| Apr 23, 6:01 PM CDT | Mesoscale Discussion | SPC | Crawford, Scott, Sebastian | 59 min |
| Apr 23, 12:51 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Benton, Camden, Cedar, Dade and 12 more | 114 min |
| Apr 23, 3:05 PM CDT | Severe Thunderstorm Watch | SPC | Barry, Barton, Cedar, Dade, Greene, Hickory and 8 more | 5 hr |
| 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, 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 Arkansas, 2004Severe Thunderstorm Watches in Oklahoma, 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.