Alert archive / Tennessee / Tornado Watches in 2000

Tornado Watch 3

January 3, 20005 states

The Storm Prediction Center issued this tornado watch at Jan 3, 2000, 7:00 AM CST for 5 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Jan 3, 2000, 7:00 AM CST (13:00 UTC)
Expired
Jan 3, 2000, 1:00 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 66 counties

Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Mississippi County, AR, Poinsett County, AR, Alexander County, IL, Gallatin County, IL, Hardin County, IL, Jackson County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, Union County, IL, Williamson County, IL, Ballard County, KY, Calloway County, KY, Carlisle County, KY, Crittenden County, KY, Fulton County, KY, Graves County, KY, Hickman County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, Union County, KY, Bollinger County, MO, Butler County, MO, Cape Girardeau County, MO, Dunklin County, MO, Iron County, MO, Madison County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Perry County, MO, Ripley County, MO, Saint Francois County, MO, Scott County, MO, Stoddard County, MO, Wayne County, MO, Benton County, TN, Carroll County, TN, Chester County, TN, Crockett County, TN, Decatur County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Hardin County, TN, Haywood County, TN, Henderson County, TN, Henry County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, McNairy County, TN, Obion County, TN, Shelby County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 94 km from the middle of the area, began a volume at 12:59 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.

Warnings issued inside it

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

IssuedProductOfficeCountiesLasted
Jan 3, 7:15 AM CSTSevere Thunderstorm WarningPAHCarter, Ripley45 min
Jan 3, 8:02 AM CSTSevere Thunderstorm WarningMEGClay33 min
Jan 3, 8:15 AM CSTSevere Thunderstorm WarningPAHBollinger, Wayne45 min
Jan 3, 8:26 AM CSTTornado WarningPAHBollinger19 min
Jan 3, 8:34 AM CSTSevere Thunderstorm WarningPAHCape Girardeau, Perry26 min
Jan 3, 8:54 AM CSTSevere Thunderstorm WarningPAHUnion36 min
Jan 3, 9:01 AM CSTTornado WarningPAHAlexander, Union29 min
Jan 3, 9:23 AM CSTSevere Thunderstorm WarningPAHFranklin, Williamson37 min
Jan 3, 9:23 AM CSTSevere Thunderstorm WarningPAHJohnson37 min
Jan 3, 9:28 AM CSTTornado WarningPAHWilliamson32 min
Jan 3, 9:35 AM CSTSevere Thunderstorm WarningPAHMississippi, Scott30 min
Jan 3, 9:39 AM CSTTornado WarningPAHJohnson26 min
Jan 3, 9:48 AM CSTSevere Thunderstorm WarningPAHPope, Saline27 min
Jan 3, 9:59 AM CSTSevere Thunderstorm WarningPAHAlexander, Pulaski31 min
Jan 3, 10:28 AM CSTSevere Thunderstorm WarningPAHMassac, Pulaski47 min
Jan 3, 10:45 AM CSTTornado WarningPAHCarlisle30 min
Jan 3, 11:14 AM CSTSevere Thunderstorm WarningPAHUnion31 min
Jan 3, 12:06 PM CSTFlash Flood WarningPAHButler, Ripley, Stoddard114 min
Jan 3, 12:09 PM CSTSevere Thunderstorm WarningMEGCraighead, Lawrence31 min
Jan 3, 12:35 PM CSTSevere Thunderstorm WarningMEGGreene35 min
Jan 3, 12:56 PM CSTSevere Thunderstorm WarningPAHUnion34 min
Jan 3, 12:57 PM CSTSevere Thunderstorm WarningMEGClay33 min

The nearest sounding before it

Little Rock, AR (KLZK), launched 12:00Z, 1.0 hours before the alert went out and 151 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.

575 
WWUS9 KMKC 031302 COR
SEL3  

SEL3  
MKC WW 031302 COR
ILZ000-KYZ000-TNZ000-MOZ000-ARZ000-031900-

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

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

SOUTHERN ILLINOIS
WESTERN KENTUCKY
WESTERN TENNESSEE
SOUTHEASTERN MISSOURI
NORTHEASTERN ARKANSAS

EFFECTIVE THIS MONDAY MORNING AND AFTERNOON FROM 700 AM UNTIL 100
PM CST.

TORNADOES...HAIL TO 1 INCHES 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 25 MILES EAST OF MEMPHIS TENNESSEE TO 10 MILES
NORTHWEST OF CARBONDALE ILLINOIS.

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 2...WW 3...

DISCUSSION...CONVECTIVE CLUSTER MOVING THROUGH AXIS OF WEAK TO
MODERATE INSTABILITY AHEAD OF STRONG SURFACE LOW/UPPER TROUGH. WIND
SHEAR VERY STRONG WITH 70 KT MID LEVEL FLOW OVER 50 KT LOW LEVEL
JET. POTENTIAL THEREFORE EXISTS FOR SCATTERED WIND DAMAGE AND
ISOLATED TORNADOES.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450. 
MEAN STORM MOTION VECTOR 24040.


...ROGASH

350,0905 375,0905 375,0875 350,0880

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, 10:00 AM CSTTornado WatchSPCArkansas, Bradley, Calhoun, Chicot, Cleveland, Columbia and 26 more6 hr
Jan 3, 11:00 AM CSTTornado WatchSPCHardin6 hr
Jan 3, 1:45 PM CSTTornado WatchSPCAnderson, Bath, Boone, Bourbon, Bracken, Campbell and 31 more5 hr
Jan 3, 4:00 PM CSTTornado WatchSPCAllen, Anderson, Barren, Breckinridge, Bullitt, Butler and 33 more5 hr
Jan 3, 2:00 PM CSTTornado WatchSPCBenton, Carroll, Cheatham, Chester, Crockett, Decatur and 18 more5 hr
Jan 3, 5:15 PM CSTTornado WatchSPCBedford, Cannon, Coffee, Davidson, DeKalb, Fentress and 21 more6 hr

Nearby

Tornado Watches in Tennessee, 2000Tornado Watches in Missouri, 2000Tornado Watches in Kentucky, 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.