Alert archive / Arkansas / Tornado Watches in 2006
Tornado Watch 847
The Storm Prediction Center issued this tornado watch at Nov 10, 2006, 5:57 PM CST for 4 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Nov 10, 2006, 5:57 PM CST (23:57 UTC)
- Expired
- Nov 10, 2006, 11:00 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 1.5 in
- Strongest gust expected
- 60 kt
Counties Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Lee County, AR, Mississippi County, AR, Phillips County, AR, Poinsett County, AR, St. Francis County, AR, Dunklin County, MO, Pemiscot County, MO, Coahoma County, MS, DeSoto County, MS, Tunica County, MS, Dyer County, TN, Lake County, TN, Lauderdale County, TN, Shelby County, TN, Tipton County, TN
The radar
The Memphis radar (KNQA), 72 km from the middle of the area, began a volume at 23:59 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.
What SPC expected
The probabilities SPC published with the watch, for the watch area over its life.
- Two or more tornadoes
- 30%
- One or more EF2 to EF5 tornadoes
- 20%
- Ten or more severe wind reports
- 30%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 40%
- One or more hailstones of 2 inches or more
- 20%
- Six or more combined severe hail and wind reports
- 70%
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 |
|---|---|---|---|---|
| Nov 10, 6:52 PM CST | Severe Thunderstorm Warning | MEG | Greene | 38 min |
| Nov 10, 7:28 PM CST | Severe Thunderstorm Warning | MEG | Greene | 33 min |
| Nov 10, 8:49 PM CST | Severe Thunderstorm Warning | MEG | Phillips | 41 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, 12.0 hours before the alert went out and 345 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
- 1061 J/kg
- Mixed-layer CIN
- -86 J/kg
- Mixed-layer LCL
- 596 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 220 m²/s²
- 0-3 km storm-relative helicity
- 223 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 2.9
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Nov 10, 1:56 PM CST | Mesoscale Discussion | SPC | Baxter, Boone, Carroll, Clark, Cleburne, Conway and 33 more | 94 min |
| Nov 10, 2:44 PM CST | Tornado Watch | SPC | Arkansas, Baxter, Cleburne, Conway, Faulkner, Fulton and 25 more | 7 hr |
| Nov 10, 4:48 PM CST | Mesoscale Discussion | SPC | Calhoun, Clark, Cleveland, Columbia, Dallas, Hempstead and 5 more | 87 min |
| Nov 10, 5:22 PM CST | Severe Thunderstorm Watch | SPC | Bradley, Calhoun, Cleveland, Columbia, Dallas, Desha and 6 more | 5 hr |
| Nov 10, 5:29 PM CST | Mesoscale Discussion | SPC | Clay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more | 91 min |
| Nov 10, 9:34 AM CST | Mesoscale Discussion | SPC | Clark, Lewis, Marion, Pike, Ralls | 116 min |
| Nov 10, 12:17 PM CST | Mesoscale Discussion | SPC | Adair, Audrain, Barry, Barton, Bates, Benton and 67 more | 58 min |
| Nov 10, 12:47 PM CST | Severe Thunderstorm Watch | SPC | Adair, Audrain, Benton, Boone, Callaway, Chariton and 27 more | 5 hr |
| Nov 10, 3:15 PM CST | Mesoscale Discussion | SPC | Franklin, Jefferson, Saint Charles, Saint Louis, City of Saint Louis | 60 min |
Nearby
Tornado Watches in Arkansas, 2006Tornado Watches in Tennessee, 2006Tornado Watches in Mississippi, 2006Every tornado watch in 2006
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.