Alert archive / Arkansas / Tornado Watches in 2007
Tornado Watch 189
The Storm Prediction Center issued this tornado watch at Apr 25, 2007, 3:38 PM CDT for 31 counties in Arkansas; 14 counties in Missouri. It was in force for 6 hr.
The area
The outline as issued.
The facts
- Issued
- Apr 25, 2007, 3:38 PM CDT (20:38 UTC)
- Expired
- Apr 25, 2007, 10:00 PM CDT
- In force
- 6 hr
- Issued by
- the Storm Prediction Center
All 45 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, Garland County, AR, Izard County, AR, Johnson County, AR, Logan County, AR, Lonoke County, AR, Madison County, AR, Marion County, AR, Montgomery County, AR, Newton County, AR, Perry County, AR, Pope County, AR, Pulaski County, AR, Saline County, AR, Scott County, AR, Searcy County, AR, Sebastian County, AR, Stone County, AR, Van Buren County, AR, Washington County, AR, White County, AR, Yell County, AR, Barry County, MO, Christian County, MO, Douglas County, MO, Greene County, MO, Howell County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Wright County, MO
The radar
The Springfield radar (KSGF), 131 km from the middle of the area, began a volume at 20:39 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
3 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 25, 4:32 PM CDT | Severe Thunderstorm Warning | TSA | Franklin | 43 min |
| Apr 25, 5:17 PM CDT | Severe Thunderstorm Warning | TSA | Madison | 35 min |
| Apr 25, 6:05 PM CDT | Severe Thunderstorm Warning | LZK | Garland | 55 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, 8.6 hours before the alert went out and 105 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
- 7 J/kg
- Mixed-layer CIN
- -301 J/kg
- Mixed-layer LCL
- 1406 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 206 m²/s²
- 0-3 km storm-relative helicity
- 222 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 |
|---|---|---|---|---|
| Apr 24, 7:33 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Clark, Crawford, Franklin, Hempstead and 15 more | 117 min |
| Apr 24, 9:10 PM CDT | Tornado Watch | SPC | Baxter, Boone, Clark, Cleburne, Conway, Dallas and 26 more | 4 hr |
| Apr 24, 10:05 PM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Jackson and 4 more | 85 min |
| Apr 24, 10:07 PM CDT | Mesoscale Discussion | SPC | Little River, Miller, Sevier | 83 min |
| Apr 24, 10:35 PM CDT | Tornado Watch | SPC | Hempstead, Howard, Lafayette, Little River, Miller, Nevada and 1 more | 5 hr |
| Apr 24, 10:53 PM CDT | Severe Thunderstorm Watch | SPC | Clay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 1 more | 3 hr |
| Apr 24, 11:58 PM CDT | Mesoscale Discussion | SPC | Clark, Dallas, Garland, Grant, Hempstead, Hot Spring and 15 more | 92 min |
| Apr 25, 12:45 AM CDT | Mesoscale Discussion | SPC | Clay, Craighead, Greene, Lawrence, Mississippi, Poinsett and 2 more | 90 min |
| Apr 25, 2:10 AM CDT | Mesoscale Discussion | SPC | Columbia, Union | 65 min |
| Apr 25, 12:30 PM CDT | Mesoscale Discussion | SPC | Benton, Carroll, Washington | 60 min |
| Apr 25, 1:11 PM CDT | Severe Thunderstorm Watch | SPC | Benton, Carroll | 8 hr |
| Apr 25, 2:46 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Conway, Crawford, Franklin, Johnson and 12 more | 59 min |
| Apr 25, 6:15 PM CDT | Mesoscale Discussion | SPC | Clark, Columbia, Lafayette, Nevada, Ouachita | 90 min |
| Apr 25, 6:38 PM CDT | Mesoscale Discussion | SPC | Baxter, Boone, Cleburne, Conway, Faulkner, Fulton and 17 more | 97 min |
| Apr 24, 7:53 PM CDT | Mesoscale Discussion | SPC | Barton, Bates, Benton, Boone, Caldwell, Callaway and 53 more | 97 min |
Nearby
Tornado Watches in Arkansas, 2007Tornado Watches in Missouri, 2007Every tornado watch in 2007
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.