Alert archive / Missouri / Tornado Watches in 2006

Tornado Watch 39

March 8, 200627 counties in Kansas; 28 counties in Missouri

The Storm Prediction Center issued this tornado watch at Mar 8, 2006, 12:33 PM CST for 27 counties in Kansas; 28 counties in Missouri. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Mar 8, 2006, 12:33 PM CST (18:33 UTC)
Expired
Mar 8, 2006, 8:00 PM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 55 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Brown County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Jackson County, KS, Jefferson County, KS, Johnson County, KS, Labette County, KS, Leavenworth County, KS, Linn County, KS, Miami County, KS, Montgomery County, KS, Neosho County, KS, Osage County, KS, Shawnee County, KS, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Andrew County, MO, Barton County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Grundy County, MO, Henry County, MO, Holt County, MO, Jackson County, MO, Jasper County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Pettis County, MO, Platte County, MO, Ray County, MO, Saline County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 55 km from the middle of the area, began a volume at 18:34 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.

Discussions around it

SPC mesoscale discussions over the same counties from four hours before the watch to its end.

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 6.6 hours before the alert went out and 68 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, Topeka, KS at 12:00Z on 2006-03-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 169 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, Topeka, KS at 12:00Z on 2006-03-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 442 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
169 J/kg
Mixed-layer CIN
-339 J/kg
Mixed-layer LCL
782 m above ground
0-6 km bulk shear
60 kt
0-1 km storm-relative helicity
442 m²/s²
0-3 km storm-relative helicity
438 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.3

Open this sounding in Storm Lab

The text

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

000 
WWUS20 KWNS 081833
SEL9  
SPC WW 081833
KSZ000-MOZ000-090200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 39
NWS STORM PREDICTION CENTER NORMAN OK
1235 PM CST WED MAR 8 2006

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

       EASTERN KANSAS
       WESTERN MISSOURI

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 1235 PM UNTIL
800 PM CST.

TORNADOES...HAIL TO 2 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 65 STATUTE MILES
EAST AND WEST OF A LINE FROM 30 MILES WEST NORTHWEST OF
CHILLICOTHE MISSOURI TO 45 MILES SOUTH OF CHANUTE KANSAS.  FOR A
COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU9).

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...SURFACE LOW NERN KS WITH WARM FRONT EWD THRU MKC INTO
CENTRAL MO. DRY LINE EXTENDS SSWWD FROM LOW INTO NCENTRAL OK. 
AIRMASS HAS BECOME MDTLY UNSTABLE E OF DRY LINE WITH A WEAKENING
CAP.  STRONG DEEP LAYER SHEAR ACROSS AREA SUPPORT DEVELOPMENT OF
SUPERCELL THUNDERSTORMS DURING AFTERNOON.  IN ADDITION TO LARGE HAIL
TORNADOES ARE POSSIBLE WITH BETTER REGION VICINITY ENHANCED LOW
LEVEL SHEAR VICINITY WARM FRONT.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500.
MEAN STORM MOTION VECTOR 24040.


...HALES

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Mar 7, 7:34 PM CSTSevere Thunderstorm WatchSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 33 more7 hr
Mar 7, 9:23 PM CSTMesoscale DiscussionSPCAnderson, Atchison, Coffey, Douglas, Franklin, Jackson and 10 more2 hr
Mar 7, 9:48 PM CSTMesoscale DiscussionSPCChautauqua, Cherokee, Cowley, Crawford, Elk, Labette and 3 more87 min
Mar 8, 11:41 AM CSTMesoscale DiscussionSPCAtchison, Doniphan, Douglas, Franklin, Jackson, Jefferson and 6 more3 hr
Mar 8, 3:11 PM CSTMesoscale DiscussionSPCAllen, Anderson, Bourbon, Cherokee, Crawford, Doniphan and 10 more94 min
Mar 8, 12:25 PM CSTMesoscale DiscussionSPCButler, Dunklin, New Madrid, Pemiscot, Ripley, Scott and 1 more2 hr
Mar 8, 4:46 PM CSTSevere Thunderstorm WatchSPCAdair, Harrison, Mercer, Putnam, Schuyler, Scotland and 1 more5 hr

Nearby

Tornado Watches in Missouri, 2006Tornado Watches in Kansas, 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.