Alert archive / Arkansas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 547
The Storm Prediction Center issued this severe thunderstorm watch at Jul 4, 2004, 9:00 AM CDT for 34 counties in Arkansas; Dunklin County, Pemiscot County, Missouri. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jul 4, 2004, 9:00 AM CDT (14:00 UTC)
- Expired
- Jul 4, 2004, 2:00 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Baxter County, AR, Boone County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Franklin County, AR, Fulton County, AR, Greene 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, Mississippi County, AR, Newton County, AR, Perry County, AR, Poinsett County, AR, Pope County, AR, Randolph County, AR, Searcy County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Yell County, AR, Dunklin County, MO, Pemiscot County, MO
The radar
The Little Rock radar (KLZK), 79 km from the middle of the area, began a volume at 14:00 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 4, 9:07 AM CDT | Severe Thunderstorm Warning | LZK | Marion, Newton, Searcy | 43 min |
| Jul 4, 9:30 AM CDT | Severe Thunderstorm Warning | LZK | Baxter | 30 min |
| Jul 4, 9:46 AM CDT | Severe Thunderstorm Warning | LZK | Cleburne, Stone, Van Buren | 49 min |
| Jul 4, 10:05 AM CDT | Severe Thunderstorm Warning | LZK | Fulton, Izard, Sharp | 50 min |
| Jul 4, 10:16 AM CDT | Severe Thunderstorm Warning | LZK | Independence | 44 min |
| Jul 4, 10:30 AM CDT | Severe Thunderstorm Warning | LZK | Faulkner, White | 50 min |
| Jul 4, 10:45 AM CDT | Severe Thunderstorm Warning | LZK | Jackson | 45 min |
| Jul 4, 10:47 AM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 58 min |
| Jul 4, 11:09 AM CDT | Severe Thunderstorm Warning | MEG | Clay, Craighead, Greene, Poinsett | 51 min |
| Jul 4, 11:20 AM CDT | Severe Thunderstorm Warning | LZK | Lonoke, Prairie, White | 45 min |
| Jul 4, 11:31 AM CDT | Severe Thunderstorm Warning | MEG | Lawrence, Randolph | 14 min |
| Jul 4, 11:55 AM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 50 min |
| Jul 4, 12:00 PM CDT | Severe Thunderstorm Warning | MEG | Clay, Craighead, Greene, Poinsett | 30 min |
| Jul 4, 12:03 PM CDT | Severe Thunderstorm Warning | MEG | Crittenden, Cross | 42 min |
| Jul 4, 12:16 PM CDT | Severe Thunderstorm Warning | MEG | Lee, St. Francis | 44 min |
| Jul 4, 12:45 PM CDT | Severe Thunderstorm Warning | MEG | Mississippi | 30 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 12:00Z, 2.0 hours before the alert went out and 196 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
- 1470 J/kg
- Mixed-layer CIN
- -112 J/kg
- Mixed-layer LCL
- 1244 m above ground
- 0-6 km bulk shear
- 28 kt
- 0-1 km storm-relative helicity
- 59 m²/s²
- 0-3 km storm-relative helicity
- 76 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.3
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 4, 5:05 AM CDT | Severe Thunderstorm Watch | SPC | Benton, Boone, Carroll, Crawford, Madison, Washington | 5 hr |
| Jul 4, 6:08 AM CDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Crawford, Madison, Washington | 2 hr |
| Jul 4, 6:09 AM CDT | Mesoscale Discussion | SPC | Benton, Boone, Carroll, Crawford, Madison, Washington | 2 hr |
| Jul 4, 10:38 AM CDT | Mesoscale Discussion | SPC | Arkansas, Clay, Craighead, Crittenden, Cross, Greene and 11 more | 2 hr |
| Jul 4, 11:35 AM CDT | Severe Thunderstorm Watch | SPC | Crittenden, Mississippi | 4 hr |
| Jul 4, 1:25 PM CDT | Mesoscale Discussion | SPC | Benton, Crawford, Franklin, Johnson, Logan, Madison and 5 more | 2 hr |
| Jul 3, 10:10 PM CDT | Severe Thunderstorm Watch | SPC | Atchison, Holt | 6 hr |
Nearby
Severe 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.