Alert archive / Arkansas / Tornado Watches in 2005
Tornado Watch 815
The Storm Prediction Center issued this tornado watch at Sep 24, 2005, 3:55 PM CDT for 23 counties in Arkansas; Tunica County, Mississippi. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Sep 24, 2005, 3:55 PM CDT (20:55 UTC)
- Expired
- Sep 24, 2005, 8:51 PM CDT
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
All 24 counties
Cleburne County, AR, Conway County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Garland County, AR, Independence County, AR, Jackson County, AR, Lee County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Perry County, AR, Phillips County, AR, Poinsett County, AR, Pope County, AR, Prairie County, AR, Pulaski County, AR, Saline County, AR, St. Francis County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Tunica County, MS
The radar
The Little Rock radar (KLZK), 47 km from the middle of the area, began a volume at 20:58 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 |
|---|---|---|---|---|
| Sep 24, 5:41 PM CDT | Tornado Warning | LZK | Conway, Faulkner | 34 min |
| Sep 24, 5:59 PM CDT | Tornado Warning | LZK | Faulkner, Lonoke, Pulaski | 46 min |
| Sep 24, 6:27 PM CDT | Tornado Warning | LZK | Conway, Faulkner | 63 min |
| Sep 24, 6:56 PM CDT | Tornado Warning | LZK | Prairie, White | 49 min |
| Sep 24, 7:19 PM CDT | Tornado Warning | LZK | Faulkner | 41 min |
| Sep 24, 7:35 PM CDT | Tornado Warning | LZK | Cleburne, White | 40 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
Little Rock, AR (KLZK), launched 12:00Z, 8.9 hours before the alert went out and 195 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
- 98 J/kg
- Mixed-layer CIN
- -181 J/kg
- Mixed-layer LCL
- 1182 m above ground
- 0-6 km bulk shear
- 13 kt
- 0-1 km storm-relative helicity
- 50 m²/s²
- 0-3 km storm-relative helicity
- 21 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
WWUS20 KWNS 242102
SEL5
SPC WW 242102
ARZ000-MSZ000-TNZ000-250200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 815
NWS STORM PREDICTION CENTER NORMAN OK
355 PM CDT SAT SEP 24 2005
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
CENTRAL AND EASTERN ARKANSAS
EXTREME NORTHWESTERN MISSISSIPPI
EXTREME SOUTHWESTERN TENNESSEE
EFFECTIVE THIS SATURDAY AFTERNOON AND EVENING FROM 355 PM UNTIL
900 PM CDT.
TORNADOES...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS
LIGHTNING ARE POSSIBLE IN THESE AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 50 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 45 MILES NORTH NORTHWEST OF HOT
SPRINGS ARKANSAS TO MEMPHIS TENNESSEE. FOR A COMPLETE DEPICTION
OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS
WOU5).
REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR
TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH AREA.
PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR THREATENING
WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS AND POSSIBLE
WARNINGS.
OTHER WATCH INFORMATION...CONTINUE...WW 813...WW 814...
DISCUSSION...AS CIRCULATION CENTER OF TS RITA CONTINUES MOVING NWD
ACROSS NWRN LA...FAVORABLY SHEARED AND AT LEAST MARGINALLY BUOYANT
AIR MASS WILL SUPPORT POTENTIAL FOR TORNADIC SUPERCELLS TO EXPAND
NWD OVER WW AREA.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH EXTREME
TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI
WITH MAXIMUM TOPS TO 400. MEAN STORM MOTION VECTOR 16050.
...EDWARDS
354,0932 354,0895 341,0895 342,0932SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 24, 12:30 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 10 more | 3 hr |
| Sep 24, 12:49 PM CDT | Mesoscale Discussion | SPC | Columbia, Hempstead, Lafayette, Little River, Miller, Nevada | 3 hr |
| Sep 24, 2:57 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 10 more | 93 min |
| Sep 24, 4:20 PM CDT | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 10 more | 5 hr |
| Sep 24, 6:07 PM CDT | Mesoscale Discussion | SPC | Arkansas, Ashley, Bradley, Calhoun, Chicot, Clark and 33 more | 83 min |
| Sep 24, 5:13 AM CDT | Mesoscale Discussion | SPC | Adams, Amite, Claiborne, Copiah, Covington, Forrest and 26 more | 32 min |
| Sep 24, 5:45 AM CDT | Tornado Watch | SPC | Adams, Amite, Claiborne, Clarke, Copiah, Covington and 32 more | 7 hr |
| Sep 24, 10:27 AM CDT | Mesoscale Discussion | SPC | Adams, Amite, Claiborne, Clarke, Copiah, Covington and 37 more | 2 hr |
Nearby
Tornado Watches in Arkansas, 2005Tornado Watches in Mississippi, 2005Every tornado watch in 2005
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.