Alert archive / Missouri / Tornado Watches in 2005

Tornado Watch 877

November 27, 20057 counties in Kansas; 71 counties in Missouri

The Storm Prediction Center issued this tornado watch at Nov 27, 2005, 3:05 PM CST for 7 counties in Kansas; 71 counties in Missouri. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Nov 27, 2005, 3:05 PM CST (21:05 UTC)
Expired
Nov 27, 2005, 10:24 PM CST
In force
7 hr
Issued by
the Storm Prediction Center
All 78 counties

Atchison County, KS, Brown County, KS, Doniphan County, KS, Johnson County, KS, Leavenworth County, KS, Nemaha County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Atchison County, MO, Barry County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Buchanan County, MO, Caldwell County, MO, Callaway County, MO, Camden County, MO, Carroll County, MO, Cass County, MO, Cedar County, MO, Chariton County, MO, Christian County, MO, Clay County, MO, Clinton County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Daviess County, MO, DeKalb County, MO, Dent County, MO, Douglas County, MO, Gentry County, MO, Greene County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Hickory County, MO, Holt County, MO, Howard County, MO, Howell County, MO, Jackson County, MO, Johnson County, MO, Laclede County, MO, Lafayette County, MO, Lawrence County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Maries County, MO, Mercer County, MO, Miller County, MO, Moniteau County, MO, Morgan County, MO, Nodaway County, MO, Oregon County, MO, Osage County, MO, Ozark County, MO, Pettis County, MO, Phelps County, MO, Platte County, MO, Polk County, MO, Pulaski County, MO, Putnam County, MO, Randolph County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Shannon County, MO, St. Clair County, MO, Stone County, MO, Sullivan County, MO, Taney County, MO, Texas County, MO, Webster County, MO, Worth County, MO, Wright County, MO

The radar

The Pleasant Hill radar (KEAX), 30 km from the middle of the area, began a volume at 21:07 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

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

IssuedProductOfficeCountiesLasted
Nov 27, 3:57 PM CSTSevere Thunderstorm WarningEAXAtchison, Leavenworth33 min
Nov 27, 4:00 PM CSTSevere Thunderstorm WarningTOPBrown, Douglas, Jackson, Jefferson60 min
Nov 27, 4:47 PM CSTSevere Thunderstorm WarningEAXJohnson43 min
Nov 27, 4:59 PM CSTTornado WarningEAXBuchanan, Clinton, DeKalb46 min
Nov 27, 5:07 PM CSTTornado WarningSGFBarton, Dade38 min
Nov 27, 5:12 PM CSTSevere Thunderstorm WarningEAXWyandotte33 min
Nov 27, 5:27 PM CSTFlash Flood WarningSGFDouglas, Ozark, Taney6 hr
Nov 27, 5:37 PM CSTTornado WarningSGFCedar31 min
Nov 27, 5:44 PM CSTTornado WarningEAXCaldwell, Clay, Ray31 min
Nov 27, 5:46 PM CSTTornado WarningSGFDouglas, Ozark59 min
Nov 27, 6:07 PM CSTSevere Thunderstorm WarningSGFBarry38 min
Nov 27, 6:11 PM CSTTornado WarningEAXCaldwell, Daviess34 min
Nov 27, 6:26 PM CSTTornado WarningSGFHowell64 min
Nov 27, 6:34 PM CSTSevere Thunderstorm WarningSGFLawrence28 min
Nov 27, 6:52 PM CSTSevere Thunderstorm WarningSGFDade23 min
Nov 27, 7:01 PM CSTSevere Thunderstorm WarningSGFHickory, Polk37 min
Nov 27, 7:22 PM CSTSevere Thunderstorm WarningSGFOregon, Shannon68 min
Nov 27, 7:23 PM CSTSevere Thunderstorm WarningSGFBenton33 min
Nov 27, 8:27 PM CSTTornado WarningSGFShannon8 min
Nov 27, 9:43 PM CSTFlash Flood WarningSGFDent, Oregon, Shannon10 hr
Nov 27, 10:09 PM CSTFlash Flood WarningSGFHowell10 hr

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, 9.1 hours before the alert went out and 140 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 2005-11-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1 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 2005-11-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 161 square meters per square second.19395878Sfc1 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
1 J/kg
Mixed-layer CIN
-282 J/kg
Mixed-layer LCL
666 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
161 m²/s²
0-3 km storm-relative helicity
157 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 272104
SEL7  
SPC WW 272104
KSZ000-MOZ000-280600-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 877
NWS STORM PREDICTION CENTER NORMAN OK
305 PM CST SUN NOV 27 2005

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

       EXTREME NORTHEAST KANSAS
       CENTRAL AND WESTERN MISSOURI

EFFECTIVE THIS SUNDAY AFTERNOON FROM 305 PM UNTIL MIDNIGHT CST.

TORNADOES...HAIL TO 1 INCH IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE MILES
EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHEAST OF SAINT
JOSEPH MISSOURI TO 40 MILES WEST SOUTHWEST OF WEST PLAINS
MISSOURI.  FOR A COMPLETE DEPICTION OF THE WATCH SEE THE
ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU7).

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 875...WW 876...

DISCUSSION...SEVERE STORMS IN ERN KS SHOULD EXPAND IN COVERAGE AND
SPREAD EWD/NEWD INTO W/NW MO THE NEXT FEW HOURS AS THE DEEP SURFACE
LOW AND DRY SLOT MOVE NEWD.  FARTHER S...PRE-FRONTAL CONVECTION
FORMING IN WRN AR SHOULD ALSO DEVELOP NNEWD INTO SRN MO THIS
EVENING.  THOUGH INSTABILITY IS RELATIVELY WEAK...VERY STRONG WIND
PROFILES WILL SUPPORT A THREAT FOR EMBEDDED BOW ECHOES AND/OR
SUPERCELLS AS CONVECTION EVOLVES INTO A BROKEN SQUALL LINE
OVERNIGHT.  DAMAGING WINDS AND A FEW TORNADOES WILL BE THE MAIN
SEVERE THREATS.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 1 INCH. EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 400.
MEAN STORM MOTION VECTOR 24050.


...THOMPSON

403,0925 363,0910 363,0935 403,0960

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Nov 27, 11:58 AM CSTMesoscale DiscussionSPCButler, Chautauqua, Cowley, Elk, Greenwood, Labette and 5 more2 hr
Nov 27, 12:36 PM CSTTornado WatchSPCAllen, Anderson, Bourbon, Butler, Chase, Chautauqua and 35 more7 hr
Nov 27, 1:37 PM CSTMesoscale DiscussionSPCCheyenne, Decatur, Gove, Graham, Greeley, Lane and 10 more4 hr
Nov 27, 2:50 PM CSTMesoscale DiscussionSPCAllen, Anderson, Atchison, Bourbon, Brown, Butler and 36 more115 min
Nov 27, 5:58 PM CSTMesoscale DiscussionSPCAtchison, Brown, Doniphan, Leavenworth, Wyandotte92 min
Nov 27, 3:29 PM CSTMesoscale DiscussionSPCAtchison2 hr
Nov 27, 4:39 PM CSTMesoscale DiscussionSPCButler, Carter, Dunklin, New Madrid, Pemiscot, Ripley and 2 more96 min

Nearby

Tornado Watches in Missouri, 2005Tornado Watches in Kansas, 2005Every tornado watch in 2005

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.