Alert archive / Arkansas / Severe Thunderstorm Watches in 2003
Severe Thunderstorm Watch 795
The Storm Prediction Center issued this severe thunderstorm watch at Jul 22, 2003, 1:20 AM CDT for 16 counties in Arkansas; 5 counties in Missouri; 16 counties in Oklahoma. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 22, 2003, 1:20 AM CDT (06:20 UTC)
- Expired
- Jul 22, 2003, 8:00 AM CDT
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 37 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Crawford County, AR, Franklin County, AR, Johnson County, AR, Madison County, AR, Marion County, AR, Newton County, AR, Pope County, AR, Searcy County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, Barry County, MO, McDonald County, MO, Newton County, MO, Stone County, MO, Taney County, MO, Adair County, OK, Cherokee County, OK, Craig County, OK, Delaware County, OK, Mayes County, OK, McIntosh County, OK, Muskogee County, OK, Nowata County, OK, Okmulgee County, OK, Osage County, OK, Ottawa County, OK, Rogers County, OK, Sequoyah County, OK, Tulsa County, OK, Wagoner County, OK, Washington County, OK
The radar
The Western Arkansas radar (KSRX), 115 km from the middle of the area, began a volume at 06:23 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
16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 22, 1:39 AM CDT | Severe Thunderstorm Warning | TSA | Benton, Carroll | 51 min |
| Jul 22, 2:02 AM CDT | Tornado Warning | TSA | Benton, Carroll | 28 min |
| Jul 22, 2:16 AM CDT | Tornado Warning | TSA | Madison | 14 min |
| Jul 22, 2:32 AM CDT | Severe Thunderstorm Warning | TSA | Carroll, Madison | 58 min |
| Jul 22, 2:36 AM CDT | Severe Thunderstorm Warning | LZK | Boone, Marion | 29 min |
| Jul 22, 2:42 AM CDT | Severe Thunderstorm Warning | LZK | Baxter | 48 min |
| Jul 22, 2:51 AM CDT | Severe Thunderstorm Warning | LZK | Newton | 44 min |
| Jul 22, 3:27 AM CDT | Severe Thunderstorm Warning | TSA | Madison | 33 min |
| Jul 22, 3:28 AM CDT | Severe Thunderstorm Warning | TSA | Nowata, Rogers | 47 min |
| Jul 22, 3:35 AM CDT | Severe Thunderstorm Warning | LZK | Newton, Searcy | 60 min |
| Jul 22, 3:39 AM CDT | Severe Thunderstorm Warning | TSA | Creek, Muskogee, Okfuskee, Okmulgee, Wagoner | 66 min |
| Jul 22, 3:54 AM CDT | Severe Thunderstorm Warning | TSA | Cherokee, McIntosh, Muskogee | 51 min |
| Jul 22, 3:55 AM CDT | Severe Thunderstorm Warning | TSA | Mayes | 50 min |
| Jul 22, 3:56 AM CDT | Severe Thunderstorm Warning | LZK | Johnson, Pope, Van Buren | 59 min |
| Jul 22, 4:17 AM CDT | Severe Thunderstorm Warning | LZK | Stone | 38 min |
| Jul 22, 4:32 AM CDT | Severe Thunderstorm Warning | LZK | Cleburne | 58 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
Springfield, MO (KSGF), launched 00:00Z, 6.3 hours before the alert went out and 71 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
- 166 J/kg
- Mixed-layer CIN
- -130 J/kg
- Mixed-layer LCL
- 2509 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 27 m²/s²
- 0-3 km storm-relative helicity
- 30 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 21, 7:06 PM CDT | Mesoscale Discussion | SPC | Cleburne, Craighead, Faulkner, Greene, Independence, Izard and 8 more | 84 min |
| Jul 21, 11:39 PM CDT | Mesoscale Discussion | SPC | Benton | 2 hr |
| Jul 22, 2:49 AM CDT | Mesoscale Discussion | SPC | Arkansas, Clark, Cleburne, Conway, Crawford, Crittenden and 31 more | 116 min |
| Jul 22, 3:45 AM CDT | Severe Thunderstorm Watch | SPC | Arkansas, Clark, Cleburne, Conway, Crawford, Crittenden and 30 more | 5 hr |
| Jul 22, 4:47 AM CDT | Mesoscale Discussion | SPC | Cross, Lee, Lonoke, Monroe, Phillips, Prairie and 3 more | 118 min |
Nearby
Severe Thunderstorm Watches in Arkansas, 2003Severe Thunderstorm Watches in Oklahoma, 2003Severe Thunderstorm Watches in Missouri, 2003Every severe thunderstorm watch in 2003
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.