Alert archive / Kansas / Tornado Watches in 2001

Tornado Watch 169

April 22, 200141 counties in Kansas; 14 counties in Nebraska

The Storm Prediction Center issued this tornado watch at Apr 22, 2001, 12:00 PM CDT for 41 counties in Kansas; 14 counties in Nebraska. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Apr 22, 2001, 12:00 PM CDT (17:00 UTC)
Expired: Apr 22, 2001, 5:00 PM CDT
In force: 5 hr
Issued by: the Storm Prediction Center

All 55 counties

Barber County, KS, Barton County, KS, Cloud County, KS, Comanche County, KS, Cowley County, KS, Decatur County, KS, Dickinson County, KS, Edwards County, KS, Ellis County, KS, Ellsworth County, KS, Ford County, KS, Graham County, KS, Harper County, KS, Harvey County, KS, Hodgeman County, KS, Jewell County, KS, Kingman County, KS, Kiowa County, KS, Lincoln County, KS, Marion County, KS, McPherson County, KS, Mitchell County, KS, Ness County, KS, Norton County, KS, Osborne County, KS, Ottawa County, KS, Pawnee County, KS, Phillips County, KS, Pratt County, KS, Reno County, KS, Republic County, KS, Rice County, KS, Rooks County, KS, Rush County, KS, Russell County, KS, Saline County, KS, Sedgwick County, KS, Smith County, KS, Stafford County, KS, Sumner County, KS, Trego County, KS, Adams County, NE, Clay County, NE, Fillmore County, NE, Franklin County, NE, Frontier County, NE, Furnas County, NE, Gosper County, NE, Harlan County, NE, Kearney County, NE, Nuckolls County, NE, Phelps County, NE, Red Willow County, NE, Thayer County, NE, Webster County, NE

Warnings issued inside it

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

Issued	Product	Office	Counties	Lasted
Apr 22, 1:13 PM CDT	Severe Thunderstorm Warning	GID	Rooks	32 min
Apr 22, 1:27 PM CDT	Severe Thunderstorm Warning	DDC	Barber	48 min
Apr 22, 1:42 PM CDT	Severe Thunderstorm Warning	DDC	Pratt	33 min
Apr 22, 1:42 PM CDT	Severe Thunderstorm Warning	GID	Phillips	33 min
Apr 22, 2:08 PM CDT	Severe Thunderstorm Warning	GID	Phelps	37 min
Apr 22, 2:24 PM CDT	Severe Thunderstorm Warning	DDC	Pratt	36 min
Apr 22, 2:34 PM CDT	Severe Thunderstorm Warning	GID	Osborne, Smith	41 min
Apr 22, 4:38 PM CDT	Severe Thunderstorm Warning	GID	Phillips	52 min
Apr 22, 4:42 PM CDT	Severe Thunderstorm Warning	ICT	Cowley	33 min

The nearest sounding before it

Dodge City, (KDDC), launched 12:00Z, 5.0 hours before the alert went out and 205 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1369 J/kg
Mixed-layer CIN: -75 J/kg
Mixed-layer LCL: 670 m above ground
0-6 km bulk shear: 49 kt
0-1 km storm-relative helicity: 310 m²/s²
0-3 km storm-relative helicity: 330 m²/s²
Significant tornado parameter: 1.8
Supercell composite: 9.0

Open this sounding in Storm Lab

The text

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

000 
WWUS9 KMKC 221700
SEL9  

SEL9  
MKC WW 221655
KSZ000-NEZ000-222200-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 169
STORM PREDICTION CENTER NORMAN OK
1155 AM CDT SUN APR 22 2001

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

   WESTERN AND CENTRAL KANSAS                             
   SOUTH CENTRAL NEBRASKA                           

EFFECTIVE THIS SUNDAY AFTERNOON FROM NOON CDT UNTIL 500 PM CDT.

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 ALONG AND 85 STATUTE MILES EAST AND WEST
OF A LINE FROM 10 MILES WEST OF KEARNEY NEBRASKA TO 30 MILES
SOUTHEAST OF MEDICINE LODGE KANSAS.

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 SEVERE
THUNDERSTORM WATCH NUMBER 167.  WATCH NUMBER 167 WILL NOT BE IN
EFFECT AFTER NOON CDT.  CONTINUE...WW 168...

DISCUSSION...THUNDERSTORMS LIKELY TO INCREASE IN COVERAGE/INTENSITY
THIS AFTERNOON AS CONVERGENCE/LARGE SCALE ASCENT INCREASE
DOWNSTREAM FROM EJECTING NM UPPER TROUGH.  LONG...PREDOMINANTLY
STRAIGHT HODOGRAPHS SUGGEST LIKELIHOOOD FOR DEVELOPMENT OF A BROKEN
SQUALL LINE WITH EMBBEDED SUPERCELLS/ISOLATED TORNADOES.

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 20050.

...CORFIDI

;404,0973 365,0963 365,0994 404,1004;

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Apr 21, 7:15 PM CDT	Severe Thunderstorm Watch	SPC	Barton, Clay, Cloud, Dickinson, Ellis, Ellsworth and 28 more	5 hr
Apr 21, 10:00 PM CDT	Severe Thunderstorm Watch	SPC	Clark, Edwards, Ford, Grant, Gray, Haskell and 6 more	5 hr
Apr 22, 12:00 AM CDT	Severe Thunderstorm Watch	SPC	Barton, Chase, Clay, Cloud, Dickinson, Ellis and 28 more	3 hr
Apr 22, 8:00 AM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Clark, Decatur, Finney, Ford, Gove and 25 more	4 hr
Apr 22, 3:30 PM CDT	Severe Thunderstorm Watch	SPC	Cheyenne, Decatur, Edwards, Ellis, Finney, Gove and 18 more	6 hr
Apr 22, 4:00 PM CDT	Tornado Watch	SPC	Allen, Anderson, Barton, Butler, Chase, Chautauqua and 45 more	5 hr
Apr 22, 3:45 PM CDT	Tornado Watch	SPC	Adams, Burt, Butler, Cass, Clay, Colfax and 33 more	5 hr

Nearby

Tornado Watches in Kansas, 2001 Tornado Watches in Nebraska, 2001 Every tornado watch in 2001

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.