Alert archive / Arkansas / Tornado Watches in 2008
Tornado Watch 8
The Storm Prediction Center issued this tornado watch at Jan 8, 2008, 8:34 AM CST for 5 states. It was in force for 5 hr.
The area
The outline as issued.
The facts
- Issued
- Jan 8, 2008, 8:34 AM CST (14:34 UTC)
- Expired
- Jan 8, 2008, 1:49 PM CST
- In force
- 5 hr
- Issued by
- the Storm Prediction Center
- Largest hail expected
- 2.5 in
- Strongest gust expected
- 70 kt
All 88 counties
Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Clark County, AR, Clay County, AR, Cleburne County, AR, Cleveland County, AR, Columbia County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Faulkner County, AR, Fulton County, AR, Garland County, AR, Grant County, AR, Greene County, AR, Hempstead County, AR, Hot Spring County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Jefferson County, AR, Lafayette County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Miller County, AR, Mississippi County, AR, Monroe County, AR, Nevada County, AR, Ouachita County, AR, Perry County, AR, Phillips County, AR, Pike County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, Randolph County, AR, Saline County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Union County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Ballard County, KY, Calloway County, KY, Carlisle County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Marshall County, KY, McCracken County, KY, Butler County, MO, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Ripley County, MO, Scott County, MO, Stoddard County, MO, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS, Carroll County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN
The radar
The Memphis radar (KNQA), 116 km from the middle of the area, began a volume at 14:35 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
- 60%
- One or more EF2 to EF5 tornadoes
- 30%
- Ten or more severe wind reports
- 60%
- One or more gusts of 65 knots or more
- 30%
- Ten or more severe hail reports
- 50%
- One or more hailstones of 2 inches or more
- 40%
- Six or more combined severe hail and wind reports
- 90%
Warnings issued inside it
20 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 8, 8:43 AM CST | Tornado Warning | LZK | Faulkner, Garland, Perry, Pulaski, Saline | 32 min |
| Jan 8, 9:15 AM CST | Severe Thunderstorm Warning | LZK | Faulkner, Perry, Pulaski | 30 min |
| Jan 8, 9:15 AM CST | Severe Thunderstorm Warning | LZK | Cleburne, Stone, Van Buren | 45 min |
| Jan 8, 9:38 AM CST | Severe Thunderstorm Warning | LZK | Clark, Dallas, Garland, Hot Spring, Pike | 52 min |
| Jan 8, 9:57 AM CST | Severe Thunderstorm Warning | SHV | Miller | 48 min |
| Jan 8, 10:00 AM CST | Severe Thunderstorm Warning | LZK | Independence, Izard, Sharp, Stone | 45 min |
| Jan 8, 10:32 AM CST | Tornado Warning | MEG | Lawrence, Randolph | 43 min |
| Jan 8, 11:19 AM CST | Severe Thunderstorm Warning | SHV | Columbia | 41 min |
| Jan 8, 11:36 AM CST | Severe Thunderstorm Warning | LZK | Jefferson, Lonoke, Prairie, Pulaski | 39 min |
| Jan 8, 12:13 PM CST | Severe Thunderstorm Warning | LZK | Calhoun, Cleveland, Dallas, Lincoln, Ouachita | 47 min |
| Jan 8, 12:15 PM CST | Severe Thunderstorm Warning | LZK | Arkansas, Monroe, Prairie, Woodruff | 45 min |
| Jan 8, 12:51 PM CST | Severe Thunderstorm Warning | MEG | Cross, Poinsett, St. Francis | 54 min |
| Jan 8, 12:59 PM CST | Severe Thunderstorm Warning | SHV | Union | 46 min |
| Jan 8, 1:02 PM CST | Severe Thunderstorm Warning | LZK | Arkansas, Monroe, Prairie | 28 min |
| Jan 8, 1:02 PM CST | Tornado Warning | MEG | Cross | 43 min |
| Jan 8, 1:12 PM CST | Severe Thunderstorm Warning | LZK | Arkansas, Bradley, Calhoun, Cleveland, Desha, Drew and 3 more | 63 min |
| Jan 8, 1:15 PM CST | Severe Thunderstorm Warning | MEG | Crittenden, Lee, St. Francis | 60 min |
| Jan 8, 1:28 PM CST | Tornado Warning | MEG | Crittenden, Mississippi, Poinsett | 47 min |
| Jan 8, 1:28 PM CST | Tornado Warning | MEG | Dunklin, Pemiscot | 47 min |
| Jan 8, 1:42 PM CST | Severe Thunderstorm Warning | PAH | Mississippi, New Madrid, Scott, Stoddard | 33 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, 2.6 hours before the alert went out and 132 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
- 181 J/kg
- Mixed-layer CIN
- -66 J/kg
- Mixed-layer LCL
- 709 m above ground
- 0-6 km bulk shear
- 56 kt
- 0-1 km storm-relative helicity
- 466 m²/s²
- 0-3 km storm-relative helicity
- 474 m²/s²
- Significant tornado parameter
- 0.5
- Supercell composite
- 5.1
The text
As transmitted, in the capitals the NWS used until 2016.
149
WWUS20 KWNS 081434
SEL8
SPC WW 081434
ARZ000-KYZ000-MOZ000-MSZ000-TNZ000-082200-
URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 8
NWS STORM PREDICTION CENTER NORMAN OK
835 AM CST TUE JAN 8 2008
THE NWS STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF
MUCH OF EASTERN AND SOUTHERN ARKANSAS
PARTS OF WESTERN KENTUCKY
PARTS OF SOUTHEAST MISSOURI
PARTS OF NORTHERN MISSISSIPPI
PARTS OF WESTERN TENNESSEE
EFFECTIVE THIS TUESDAY MORNING AND AFTERNOON FROM 835 AM UNTIL
400 PM CST.
TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.
THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 90 STATUTE
MILES EAST AND WEST OF A LINE FROM 65 MILES EAST NORTHEAST OF
POPLAR BLUFF MISSOURI TO 10 MILES SOUTHWEST OF EL DORADO
ARKANSAS. FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU8).
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.
DISCUSSION...VERY POTENT SHEAR PROFILES IN PLACE FOR TORNADIC
SUPERCELL DEVELOPMENT AS STRONG S/WV TROUGH MOVES TOWARD AREA FROM
SRN PLAINS. CURRENT THUNDERSTORMS WESTERN AR EXPECTED TO INCREASE
IN NUMBER AND INTENSITY ALONG WITH POTENTIAL FOR TORNADOS THRU THE
AFTERNOON AS THEY DEVELOP EWD ACROSS MS RIVER VALLEY.
AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
500. MEAN STORM MOTION VECTOR 24045.
...HALESSPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jan 7, 6:11 PM CST | Mesoscale Discussion | SPC | Benton, Carroll, Crawford, Franklin, Madison, Washington | 94 min |
| Jan 7, 7:48 PM CST | Tornado Watch | SPC | Baxter, Benton, Boone, Carroll, Crawford, Franklin and 9 more | 9 hr |
| Jan 7, 10:04 PM CST | Mesoscale Discussion | SPC | Benton, Carroll, Washington | 86 min |
| Jan 8, 3:44 AM CST | Mesoscale Discussion | SPC | Baxter, Benton, Carroll, Fulton | 91 min |
| Jan 8, 7:18 AM CST | Mesoscale Discussion | SPC | Arkansas, Bradley, Calhoun, Clark, Cleburne, Cleveland and 34 more | 117 min |
| Jan 8, 11:27 AM CST | Mesoscale Discussion | SPC | Arkansas, Ashley, Baxter, Bradley, Calhoun, Chicot and 48 more | 2 hr |
| Jan 8, 1:11 PM CST | Mesoscale Discussion | SPC | Chicot, Crittenden, Desha, Lee, Mississippi, Phillips and 1 more | 2 hr |
| Jan 8, 1:26 PM CST | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Chicot, Crittenden, Desha and 7 more | 8 hr |
| Jan 8, 12:22 PM CST | Mesoscale Discussion | SPC | Ballard, Breckinridge, Bullitt, Butler, Caldwell, Carroll and 26 more | 83 min |
| Jan 8, 4:03 PM CST | Mesoscale Discussion | SPC | Allen, Anderson, Barren, Breckinridge, Bullitt, Butler and 33 more | 117 min |
| Jan 8, 5:51 PM CST | Mesoscale Discussion | SPC | Allen, Clinton, Cumberland, Metcalfe, Monroe | 54 min |
| Jan 8, 3:59 PM CST | Tornado Watch | SPC | Attala, Choctaw, Claiborne, Clarke, Clay, Copiah and 18 more | 3 hr |
| Jan 7, 6:57 PM CST | Mesoscale Discussion | SPC | Audrain, Barton, Benton, Boone, Callaway, Camden and 48 more | 93 min |
| Jan 7, 8:25 PM CST | Mesoscale Discussion | SPC | Barton, Bates, Chariton, Henry, Howard, Johnson and 5 more | 65 min |
| Jan 7, 8:55 PM CST | Severe Thunderstorm Watch | SPC | Barton, Bates, Carroll, Cass, Cedar, Chariton and 12 more | 8 hr |
| Jan 7, 11:18 PM CST | Mesoscale Discussion | SPC | Barton, Bates, Benton, Cedar, Henry, Johnson and 3 more | 87 min |
| Jan 8, 2:02 AM CST | Mesoscale Discussion | SPC | Dent, Douglas, Shannon, Texas, Wright | 118 min |
Nearby
Tornado Watches in Arkansas, 2008Tornado Watches in Tennessee, 2008Tornado Watches in Kentucky, 2008Every tornado watch in 2008
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.