Alert archive / Arkansas / Tornado Watches in 2000

Tornado Watch 4

January 3, 20004 states

The Storm Prediction Center issued this tornado watch at Jan 3, 2000, 10:00 AM CST for 4 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 3, 2000, 10:00 AM CST (16:00 UTC)
Expired
Jan 3, 2000, 4:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 54 counties

Arkansas County, AR, Bradley County, AR, Calhoun County, AR, Chicot County, AR, Cleveland County, AR, Columbia County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Dallas County, AR, Desha County, AR, Drew County, AR, Grant County, AR, Greene County, AR, Independence County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Lincoln County, AR, Lonoke County, AR, Mississippi County, AR, Monroe County, AR, Ouachita County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Pulaski County, AR, Sharp County, AR, St. Francis County, AR, White County, AR, Woodruff County, AR, Dunklin County, MO, Bolivar County, MS, Coahoma County, MS, DeSoto County, MS, Leflore County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Sunflower County, MS, Tallahatchie County, MS, Tate County, MS, Tunica County, MS, Washington County, MS, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Haywood County, TN, Lauderdale County, TN, Madison County, TN, Shelby County, TN, Tipton County, TN

The radar

The Little Rock radar (KLZK), 82 km from the middle of the area, began a volume at 16:03 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

16 tornado, severe thunderstorm and flash flood warnings for its counties while it was in force.

IssuedProductOfficeCountiesLasted
Jan 3, 10:50 AM CSTSevere Thunderstorm WarningLZKPulaski35 min
Jan 3, 11:10 AM CSTSevere Thunderstorm WarningJANWashington50 min
Jan 3, 11:40 AM CSTSevere Thunderstorm WarningJANSunflower35 min
Jan 3, 11:55 AM CSTSevere Thunderstorm WarningLZKIndependence20 min
Jan 3, 12:02 PM CSTSevere Thunderstorm WarningLZKJackson33 min
Jan 3, 12:02 PM CSTSevere Thunderstorm WarningJANLeflore28 min
Jan 3, 12:09 PM CSTSevere Thunderstorm WarningMEGCraighead, Lawrence31 min
Jan 3, 12:35 PM CSTSevere Thunderstorm WarningMEGGreene35 min
Jan 3, 12:51 PM CSTTornado WarningJANSunflower24 min
Jan 3, 12:57 PM CSTSevere Thunderstorm WarningMEGDunklin33 min
Jan 3, 1:10 PM CSTTornado WarningMEGGreene35 min
Jan 3, 1:11 PM CSTTornado WarningJANLeflore49 min
Jan 3, 1:17 PM CSTTornado WarningMEGCraighead33 min
Jan 3, 1:36 PM CSTSevere Thunderstorm WarningMEGPoinsett34 min
Jan 3, 1:44 PM CSTTornado WarningMEGDunklin16 min
Jan 3, 2:34 PM CSTSevere Thunderstorm WarningMEGDunklin, Pemiscot36 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 4.0 hours before the alert went out and 152 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.

Skew-T log-pSkew-T log-p diagram, Little Rock, AR at 12:00Z on 2000-01-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 486 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2000-01-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 371 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
486 J/kg
Mixed-layer CIN
-28 J/kg
Mixed-layer LCL
703 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
371 m²/s²
0-3 km storm-relative helicity
513 m²/s²
Significant tornado parameter
1.4
Supercell composite
7.8

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

932 
WWUS9 KMKC 031535
SEL4  
MKC WW 031535
ARZ000-MOZ000-MSZ000-TNZ000-032200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 4
STORM PREDICTION CENTER NORMAN OK
935 AM CST MON JAN 3 2000

THE STORM PREDICTION CENTER HAS ISSUED A
TORNADO WATCH FOR PORTIONS OF

   EASTERN ARKANSAS                           
   SMALL PART OF THE MISSOURI BOOTHEEL                           
   NORTHWEST MISSISSIPPI                        
   WEST TENNESSEE                          

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 1000 AM UNTIL 400
PM CST.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 90 STATUTE MILES EAST AND WEST
OF A LINE FROM 45 MILES EAST OF EL DORADO ARKANSAS TO 35 MILES WEST
NORTHWEST OF DYERSBURG TENNESSEE.

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...THIS TORNADO WATCH REPLACES TORNADO WATCH
NUMBER 2.  WATCH NUMBER 2 WILL NOT BE IN EFFECT AFTER 1000 AM CST. 
CONTINUE...WW 3...

DISCUSSION...LINE OF STRONG/SEVERE THUNDERSTORMS ACROSS CENTRAL AR
CONTINUE TO MOVE EWD INTO MODERATELY UNSTABLE AIR MASS.  VERY
STRONG VERTICAL SHEAR PRESENT ACROSS AREA POSES THREAT FOR ISOLATED
TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 24045.


...MCCARTHY

361,0882 331,0902 331,0933 361,0913

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jan 3, 4:30 AM CSTTornado WatchSPCBaxter, Boone, Cleburne, Conway, Crawford, Faulkner and 33 more6 hr
Jan 3, 7:00 AM CSTTornado WatchSPCClay, Craighead, Crittenden, Cross, Greene, Mississippi and 1 more6 hr
Jan 3, 12:00 PM CSTTornado WatchSPCAdams, Amite, Attala, Calhoun, Carroll, Chickasaw and 40 more6 hr
Jan 3, 2:00 PM CSTTornado WatchSPCAlcorn, Benton, Coahoma, DeSoto, Itawamba, Lafayette and 12 more5 hr
Jan 3, 5:15 PM CSTTornado WatchSPCClarke, Jasper, Jones, Kemper, Lauderdale, Noxubee and 1 more6 hr
Jan 3, 11:00 AM CSTTornado WatchSPCCheatham, Davidson, Dickson, Henry, Houston, Montgomery and 3 more6 hr
Jan 3, 4:00 PM CSTTornado WatchSPCCheatham, Henry, Houston, Macon, Montgomery, Robertson and 3 more5 hr

Nearby

Tornado Watches in Arkansas, 2000Tornado Watches in Mississippi, 2000Tornado Watches in Tennessee, 2000Every tornado watch in 2000

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.