Alert archive / Arkansas / Tornado Watches in 2002
Tornado Watch 785
The Storm Prediction Center issued this tornado watch at Dec 18, 2002, 2:30 PM CST for 24 counties in Arkansas; 10 counties in Missouri. It was in force for 7 hr.
The area
The outline as issued.
The facts
- Issued
- Dec 18, 2002, 2:30 PM CST (20:30 UTC)
- Expired
- Dec 18, 2002, 9:00 PM CST
- In force
- 7 hr
- Issued by
- the Storm Prediction Center
All 34 counties
Baxter County, AR, Clay County, AR, Cleburne County, AR, Conway County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Faulkner County, AR, Fulton County, AR, Greene County, AR, Independence County, AR, Izard County, AR, Jackson County, AR, Lawrence County, AR, Mississippi County, AR, Perry County, AR, Poinsett County, AR, Randolph County, AR, Sharp County, AR, St. Francis County, AR, Stone County, AR, Van Buren County, AR, White County, AR, Woodruff County, AR, Butler County, MO, Carter County, MO, Dunklin County, MO, Howell County, MO, Mississippi County, MO, New Madrid County, MO, Oregon County, MO, Pemiscot County, MO, Ripley County, MO, Stoddard County, MO
Warnings issued inside it
23 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 18, 2:35 PM CST | Severe Thunderstorm Warning | LZK | Perry, Pulaski, Saline | 45 min |
| Dec 18, 3:06 PM CST | Severe Thunderstorm Warning | LZK | Faulkner | 39 min |
| Dec 18, 3:17 PM CST | Severe Thunderstorm Warning | LZK | Perry, Pulaski, Saline | 33 min |
| Dec 18, 3:21 PM CST | Severe Thunderstorm Warning | LZK | Perry, Pulaski, Saline | 29 min |
| Dec 18, 3:30 PM CST | Tornado Warning | LZK | Faulkner | 30 min |
| Dec 18, 3:51 PM CST | Tornado Warning | LZK | Cleburne, White | 29 min |
| Dec 18, 4:09 PM CST | Severe Thunderstorm Warning | LZK | Faulkner | 61 min |
| Dec 18, 4:17 PM CST | Tornado Warning | LZK | Faulkner, White | 43 min |
| Dec 18, 4:19 PM CST | Severe Thunderstorm Warning | LZK | Faulkner | 51 min |
| Dec 18, 4:27 PM CST | Severe Thunderstorm Warning | LZK | Independence | 43 min |
| Dec 18, 4:49 PM CST | Tornado Warning | LZK | Independence, Jackson | 31 min |
| Dec 18, 5:02 PM CST | Tornado Warning | LZK | Lonoke, White | 43 min |
| Dec 18, 5:03 PM CST | Tornado Warning | LZK | Faulkner | 47 min |
| Dec 18, 5:10 PM CST | Severe Thunderstorm Warning | MEG | Clay, Craighead, Greene, Lawrence, Randolph | 65 min |
| Dec 18, 5:46 PM CST | Tornado Warning | LZK | Jackson, White, Woodruff | 39 min |
| Dec 18, 6:00 PM CST | Tornado Warning | MEG | Cross, Poinsett | 45 min |
| Dec 18, 6:14 PM CST | Severe Thunderstorm Warning | MEG | Clay, Greene | 46 min |
| Dec 18, 6:45 PM CST | Severe Thunderstorm Warning | LZK | Prairie, White | 30 min |
| Dec 18, 6:59 PM CST | Severe Thunderstorm Warning | MEG | Dunklin, Pemiscot | 46 min |
| Dec 18, 7:17 PM CST | Severe Thunderstorm Warning | LZK | Prairie, White, Woodruff | 43 min |
| Dec 18, 7:41 PM CST | Severe Thunderstorm Warning | MEG | Cross | 49 min |
| Dec 18, 7:47 PM CST | Severe Thunderstorm Warning | MEG | St. Francis | 43 min |
| Dec 18, 8:58 PM CST | Severe Thunderstorm Warning | MEG | Crittenden | 32 min |
The nearest sounding before it
Little Rock, AR (KLZK), launched 12:00Z, 8.5 hours before the alert went out and 183 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
- 30 J/kg
- Mixed-layer CIN
- -209 J/kg
- Mixed-layer LCL
- 597 m above ground
- 0-6 km bulk shear
- 60 kt
- 0-1 km storm-relative helicity
- 290 m²/s²
- 0-3 km storm-relative helicity
- 365 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 182030 SEL5 SPC WW 182030 ARZ000-MOZ000-190300- URGENT - IMMEDIATE BROADCAST REQUESTED TORNADO WATCH NUMBER 785 STORM PREDICTION CENTER NORMAN OK 230 PM CST WED DEC 18 2002 THE STORM PREDICTION CENTER HAS ISSUED A TORNADO WATCH FOR PORTIONS OF NORTH AND NORTHEAST ARKANSAS SOUTHEAST MISSOURI EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL 900 PM CST. TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS. THE TORNADO WATCH AREA IS ALONG AND 80 STATUTE MILES EAST AND WEST OF A LINE FROM 95 MILES SOUTHWEST OF JONESBORO ARKANSAS TO 20 MILES NORTH NORTHWEST OF POPLAR BLUFF MISSOURI. 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 783...WW 784... DISCUSSION...THUNDERSTORMS WILL INCREASE IN COVERAGE/INTENSITY AND SPREAD NEWD FROM AR TOWARD SE MO THE NEXT SEVERAL HOURS. DESTABILIZATION FROM THE S AND STRONG VERTICAL SHEAR WILL SUPPORT SUPERCELLS WITH TORNADOES IN SEVERAL NE-SW ORIENTED BANDS...AS WELL AS A THREAT OF LARGE HAIL AND DAMAGING WINDS. AN ISOLATED STRONG TORNADO COULD OCCUR LATER THIS AFTERNOON/EVENING ALONG AN AXIS FROM LIT TO ARG. AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT TO 1 INCH...EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. MEAN STORM MOTION VECTOR 24045. ...THOMPSON 370,0890 345,0902 345,0931 370,0920
SPC that day
Everything else SPC issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Dec 17, 7:35 PM CST | Tornado Watch | SPC | Benton, Boone, Carroll, Madison, Marion, Newton and 1 more | 5 hr |
| Dec 17, 10:40 PM CST | Tornado Watch | SPC | Benton, Carroll, Washington | 5 hr |
| Dec 18, 3:30 AM CST | Tornado Watch | SPC | Benton | 5 hr |
| Dec 18, 7:20 AM CST | Tornado Watch | SPC | Baxter, Boone, Carroll, Crawford, Franklin, Fulton and 12 more | 6 hr |
| Dec 18, 1:10 PM CST | Tornado Watch | SPC | Arkansas, Ashley, Bradley, Calhoun, Clark, Cleveland and 26 more | 8 hr |
| Dec 18, 5:50 PM CST | Tornado Watch | SPC | Chicot, Crittenden, Desha, Lee, Mississippi, Phillips and 1 more | 3 hr |
| Dec 18, 2:15 AM CST | Severe Thunderstorm Watch | SPC | Adair, Bates, Buchanan, Caldwell, Carroll, Cass and 29 more | 6 hr |
| Dec 18, 9:30 AM CST | Tornado Watch | SPC | Adair, Audrain, Barton, Benton, Boone, Callaway and 33 more | 6 hr |
| Dec 18, 4:35 PM CST | Tornado Watch | SPC | Crawford, Dent, Franklin, Gasconade, Jefferson, Laclede and 14 more | 5 hr |
Nearby
Tornado Watches in Arkansas, 2002Tornado Watches in Missouri, 2002Every tornado watch in 2002
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.