Alert archive / Kentucky / Tornado Watches in 2006

Tornado Watch 36

February 16, 20067 states

The Storm Prediction Center issued this tornado watch at Feb 16, 2006, 5:13 PM CST for 7 states. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Feb 16, 2006, 5:13 PM CST (23:13 UTC)
Expired
Feb 16, 2006, 11:24 PM CST
In force
6 hr
Issued by
the Storm Prediction Center
All 100 counties

Arkansas County, AR, Clay County, AR, Craighead County, AR, Crittenden County, AR, Cross County, AR, Greene County, AR, Jackson County, AR, Jefferson County, AR, Lawrence County, AR, Lee County, AR, Mississippi County, AR, Monroe County, AR, Phillips County, AR, Poinsett County, AR, Prairie County, AR, Randolph County, AR, St. Francis County, AR, Woodruff County, AR, Alexander County, IL, Gallatin County, IL, Hardin County, IL, Johnson County, IL, Massac County, IL, Pope County, IL, Pulaski County, IL, Saline County, IL, White County, IL, Clark County, IN, Crawford County, IN, Dubois County, IN, Floyd County, IN, Gibson County, IN, Harrison County, IN, Jefferson County, IN, Orange County, IN, Perry County, IN, Pike County, IN, Posey County, IN, Scott County, IN, Spencer County, IN, Vanderburgh County, IN, Warrick County, IN, Washington County, IN, Ballard County, KY, Breckinridge County, KY, Caldwell County, KY, Calloway County, KY, Carlisle County, KY, Christian County, KY, Crittenden County, KY, Daviess County, KY, Fulton County, KY, Graves County, KY, Hancock County, KY, Henderson County, KY, Hickman County, KY, Hopkins County, KY, Livingston County, KY, Lyon County, KY, Marshall County, KY, McCracken County, KY, McLean County, KY, Meade County, KY, Muhlenberg County, KY, Ohio County, KY, Todd County, KY, Trigg County, KY, Union County, KY, Webster County, KY, Dunklin County, MO, Mississippi County, MO, New Madrid County, MO, Pemiscot County, MO, Scott County, MO, Coahoma County, MS, DeSoto County, MS, Marshall County, MS, Panola County, MS, Quitman County, MS, Tate County, MS, Tunica County, MS, Benton County, TN, Carroll County, TN, Crockett County, TN, Dyer County, TN, Fayette County, TN, Gibson County, TN, Hardeman County, TN, Haywood County, TN, Henry County, TN, Houston County, TN, Lake County, TN, Lauderdale County, TN, Madison County, TN, Montgomery County, TN, Obion County, TN, Shelby County, TN, Stewart County, TN, Tipton County, TN, Weakley County, TN

The radar

The Memphis radar (KNQA), 60 km from the middle of the area, began a volume at 23:14 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

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

IssuedProductOfficeCountiesLasted
Feb 16, 5:16 PM CSTSevere Thunderstorm WarningMEGRandolph44 min
Feb 16, 6:09 PM CSTSevere Thunderstorm WarningMEGRandolph36 min
Feb 16, 6:44 PM CSTSevere Thunderstorm WarningMEGClay, Randolph46 min
Feb 16, 7:16 PM CSTSevere Thunderstorm WarningPAHGibson44 min
Feb 16, 7:24 PM CSTSevere Thunderstorm WarningPAHAlexander36 min
Feb 16, 7:39 PM CSTSevere Thunderstorm WarningPAHPulaski, Union36 min
Feb 16, 7:45 PM CSTSevere Thunderstorm WarningPAHPike30 min
Feb 16, 7:54 PM CSTSevere Thunderstorm WarningLMKDubois51 min
Feb 16, 9:24 PM CSTSevere Thunderstorm WarningLMKClark, Washington36 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, 11.2 hours before the alert went out and 115 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 2006-02-16Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 4 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Little Rock, AR at 12:00Z on 2006-02-16The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 360 square meters per square second.1939587897Sfc1 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
4 J/kg
Mixed-layer CIN
-168 J/kg
Mixed-layer LCL
667 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
360 m²/s²
0-3 km storm-relative helicity
394 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 162313
SEL6  
SPC WW 162313
ARZ000-ILZ000-INZ000-KYZ000-MOZ000-MSZ000-TNZ000-170700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 36
NWS STORM PREDICTION CENTER NORMAN OK
515 PM CST THU FEB 16 2006

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

       NORTHEAST ARKANSAS
       EXTREME SOUTHEAST ILLINOIS
       EXTREME SOUTHERN INDIANA
       WESTERN KENTUCKY
       THE MISSOURI BOOTHEEL
       EXTREME NORTHWEST MISSISSIPPI
       NORTHWEST TENNESSEE

EFFECTIVE THIS THURSDAY AFTERNOON AND FRIDAY MORNING FROM 515 PM
UNTIL 100 AM CST.

TORNADOES...HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 75 STATUTE MILES
EAST AND WEST OF A LINE FROM 15 MILES EAST SOUTHEAST OF PINE BLUFF
ARKANSAS TO 45 MILES NORTHEAST OF EVANSVILLE INDIANA.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU6).

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 33...WW 34...WW 35...

DISCUSSION...BROKEN LINE OF SEVERE STORMS WILL CONTINUE EWD IN
ASSOCIATION WITH A STRONG COLD FRONT.  THOUGH INSTABILITY IS
SOMEWHAT MARGINAL EAST OF THE ONGOING STORMS...VERTICAL SHEAR IS
QUITE STRONG AND FAVORABLE FOR THE MAINTENANCE OF A FEW DISCRETE
SUPERCELLS WITHIN THE LARGER LINE OF STORMS.  GIVEN THE DEGREE OF
LOW-LEVEL SHEAR...A COUPLE OF TORNADOES WILL BE POSSIBLE WITH THE
MORE INTENSE STORMS.  OTHERWISE...LARGE HAIL AND DAMAGING WINDS CAN
BE EXPECTED TO CONTINUE INTO THE OVERNIGHT HOURS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
450. MEAN STORM MOTION VECTOR 27035.


...THOMPSON

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 16, 1:10 PM CSTMesoscale DiscussionSPCBenton, Crawford, Franklin, Johnson, Logan, Madison and 6 more95 min
Feb 16, 1:49 PM CSTTornado WatchSPCBaxter, Boone, Carroll, Clark, Cleburne, Conway and 38 more7 hr
Feb 16, 4:55 PM CSTMesoscale DiscussionSPCClay, Craighead, Crittenden, Cross, Greene, Lee and 4 more95 min
Feb 16, 5:16 AM CSTMesoscale DiscussionSPCCarroll, Jo Daviess, Mercer, Ogle, Rock Island, Stephenson and 2 more5 hr
Feb 16, 9:41 AM CSTMesoscale DiscussionSPCCook, DeKalb, DuPage, Ford, Grundy, Kane and 8 more2 hr
Feb 16, 12:45 PM CSTMesoscale DiscussionSPCBond, Calhoun, Champaign, Christian, DeWitt, Ford and 20 more90 min
Feb 16, 1:16 PM CSTTornado WatchSPCBond, Calhoun, Champaign, Christian, Clark, Clay and 47 more7 hr
Feb 16, 5:59 PM CSTMesoscale DiscussionSPCCrawford61 min
Feb 16, 3:26 PM CSTMesoscale DiscussionSPCAllen, Benton, Blackford, Boone, Carroll, Cass and 41 more94 min
Feb 16, 3:55 PM CSTTornado WatchSPCAdams, Allen, Bartholomew, Blackford, Boone, Brown and 59 more6 hr

Nearby

Tornado Watches in Kentucky, 2006Tornado Watches in Tennessee, 2006Tornado Watches in Arkansas, 2006Every tornado watch in 2006

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.