Alert archive / Kansas / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 36

February 17, 20004 states

The Storm Prediction Center issued this severe thunderstorm watch at Feb 17, 2000, 9:45 PM CST for 4 states. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued: Feb 17, 2000, 9:45 PM CST (03:45 UTC)
Expired: Feb 18, 2000, 3:00 AM CST
In force: 5 hr
Issued by: the Storm Prediction Center

All 47 counties

Benton County, AR, Carroll County, AR, Allen County, KS, Bourbon County, KS, Butler County, KS, Chautauqua County, KS, Cherokee County, KS, Cowley County, KS, Crawford County, KS, Elk County, KS, Greenwood County, KS, Harper County, KS, Harvey County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Sedgwick County, KS, Sumner County, KS, Wilson County, KS, Woodson County, KS, Barry County, MO, Barton County, MO, Cedar County, MO, Dade County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Lawrence County, MO, McDonald County, MO, Newton County, MO, Polk County, MO, St. Clair County, MO, Stone County, MO, Vernon County, MO, Craig County, OK, Delaware County, OK, Garfield County, OK, Grant County, OK, Kay County, OK, Mayes County, OK, Noble County, OK, Nowata County, OK, Osage County, OK, Ottawa County, OK, Pawnee County, OK, Rogers County, OK, Washington County, OK

The radar

The Wichita radar (KICT), 120 km from the middle of the area, began a volume at 03:45 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

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

Issued	Product	Office	Counties	Lasted
Feb 17, 10:03 PM CST	Severe Thunderstorm Warning	ICT	Butler, Sedgwick	57 min
Feb 17, 10:05 PM CST	Severe Thunderstorm Warning	ICT	Sumner	55 min
Feb 17, 10:33 PM CST	Severe Thunderstorm Warning	ICT	Cowley	42 min
Feb 17, 10:52 PM CST	Severe Thunderstorm Warning	ICT	Elk	53 min
Feb 17, 11:23 PM CST	Severe Thunderstorm Warning	ICT	Wilson	67 min
Feb 18, 12:15 AM CST	Severe Thunderstorm Warning	TSA	Osage	45 min

The nearest sounding before it

Lamont, OK (KLMN), launched 00:00Z, 3.8 hours before the alert went out and 142 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 3586 m above ground
0-6 km bulk shear: 24 kt
0-1 km storm-relative helicity: 0 m²/s²
0-3 km storm-relative helicity: 0 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.

470 
WWUS9 KMKC 180325
SEL6  

SEL6  
MKC WW 180325
ARZ000-KSZ000-MOZ000-OKZ000-180900-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 36
STORM PREDICTION CENTER NORMAN OK
925 PM CST THU FEB 17 2000

THE STORM PREDICTION CENTER HAS ISSUED A
SEVERE THUNDERSTORM WATCH FOR PORTIONS OF

   EXTREME NORTHWEST ARKANSAS                           
   SOUTH CENTRAL AND SOUTHEAST KANSAS                             
   SOUTHWEST MISSOURI                           
   NORTH CENTRAL AND NORTHEAST OKLAHOMA                           

EFFECTIVE THIS THURSDAY NIGHT AND FRIDAY MORNING FROM 945 PM UNTIL
300 AM CST.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 60
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 65 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 50 MILES SOUTHWEST OF WICHITA KANSAS
TO 10 MILES SOUTHEAST OF SPRINGFIELD MISSOURI.

REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
FAVORABLE FOR 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 SEVERE THUNDERSTORM WATCH REPLACES
SEVERE THUNDERSTORM WATCH NUMBER 35.  WATCH NUMBER 35 WILL NOT BE
IN EFFECT AFTER 945 PM CST.  CONTINUE...WW 34...

DISCUSSION...ELEVATED THUNDERSTORMS ARE INCREASING OVER NRN OK AND
SRN KS IN RESPONSE TO STRENGTHENING LOW LEVEL JET NOTED ON PROFILER
AND VAD WINDS...AND UPPER LEVEL DYNAMIC FORCING IN LEFT EXIT REGION
OF UPPER LEVEL JET.  00Z OUN SOUNDING AND LATEST RUC FORECASTS SHOW
MUCAPE OF 1000-1500 J/KG SPREADING TOWARD SWRN MO TONIGHT.  PRIMARY
THREAT IS EXPECTED TO BE LARGE HAIL AS STRONG VERTICAL SHEAR
ENHANCES CONVECTIVE UPDRAFT SPEEDS.  


AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 50
KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 450.  MEAN STORM
MOTION VECTOR 24040.


...WEISS

380,0980 380,0931 361,0931 361,0980

SPC that day

Everything else SPC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Feb 18, 5:00 AM CST	Severe Thunderstorm Watch	SPC	Arkansas, Baxter, Boone, Carroll, Clark, Clay and 52 more	6 hr
Feb 18, 11:00 AM CST	Tornado Watch	SPC	Calhoun, Clark, Cleburne, Cleveland, Columbia, Conway and 28 more	5 hr
Feb 18, 2:00 PM CST	Tornado Watch	SPC	Arkansas, Clay, Craighead, Crittenden, Cross, Desha and 13 more	5 hr

Nearby

Severe Thunderstorm Watches in Kansas, 2000 Severe Thunderstorm Watches in Missouri, 2000 Severe Thunderstorm Watches in Oklahoma, 2000 Every severe thunderstorm 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.