Alert archive / Arkansas / Severe Thunderstorm Watches in 2004
Severe Thunderstorm Watch 489
The Storm Prediction Center issued this severe thunderstorm watch at Jun 17, 2004, 2:30 PM CDT for 18 counties in Arkansas; 18 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Jun 17, 2004, 2:30 PM CDT (19:30 UTC)
- Expired
- Jun 17, 2004, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 36 counties
Baxter County, AR, Benton County, AR, Boone County, AR, Carroll County, AR, Cleburne County, AR, Crawford County, AR, Franklin County, AR, Fulton County, AR, Izard 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, Barton County, MO, Christian County, MO, Dade County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Polk County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 74 km from the middle of the area, began a volume at 19:32 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
6 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 2:48 PM CDT | Severe Thunderstorm Warning | SGF | Dade | 42 min |
| Jun 17, 2:55 PM CDT | Flash Flood Warning | SGF | Lawrence | 5 hr |
| Jun 17, 3:21 PM CDT | Severe Thunderstorm Warning | SGF | Christian, Greene, Lawrence | 54 min |
| Jun 17, 3:29 PM CDT | Flash Flood Warning | SGF | Dade | 6 hr |
| Jun 17, 4:10 PM CDT | Severe Thunderstorm Warning | SGF | Greene, Webster | 65 min |
| Jun 17, 4:56 PM CDT | Severe Thunderstorm Warning | SGF | Douglas | 64 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, 7.5 hours before the alert went out and 84 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
- 658 J/kg
- Mixed-layer CIN
- -47 J/kg
- Mixed-layer LCL
- 782 m above ground
- 0-6 km bulk shear
- 3 kt
- 0-1 km storm-relative helicity
- 12 m²/s²
- 0-3 km storm-relative helicity
- 34 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 17, 5:31 PM CDT | Mesoscale Discussion | SPC | Baxter, Benton, Boone, Carroll, Cleburne, Crawford and 11 more | 119 min |
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.