Alert archive / Missouri / Tornado Watches in 2000

Tornado Watch 178

April 19, 200026 counties in Kansas; 33 counties in Missouri

The Storm Prediction Center issued this tornado watch at Apr 19, 2000, 8:15 PM CDT for 26 counties in Kansas; 33 counties in Missouri. It was in force for 6 hr.

The area

The outline as issued.

The facts

Issued
Apr 19, 2000, 8:15 PM CDT (01:15 UTC)
Expired
Apr 20, 2000, 2:00 AM CDT
In force
6 hr
Issued by
the Storm Prediction Center
All 59 counties

Allen County, KS, Anderson County, KS, Atchison County, KS, Bourbon County, KS, Chautauqua County, KS, Cherokee County, KS, Coffey County, KS, Cowley County, KS, Crawford County, KS, Doniphan County, KS, Douglas County, KS, Elk County, KS, Franklin County, KS, Greenwood 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, Wilson County, KS, Woodson County, KS, Wyandotte County, KS, Adair County, MO, Andrew County, MO, Barton County, MO, Bates County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass County, MO, Chariton County, MO, Clay County, MO, Clinton County, MO, Daviess County, MO, DeKalb County, MO, Gentry County, MO, Grundy County, MO, Harrison County, MO, Henry County, MO, Jackson County, MO, Johnson County, MO, Lafayette County, MO, Linn County, MO, Livingston County, MO, Macon County, MO, Mercer County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Scotland County, MO, Sullivan County, MO, Vernon County, MO, Worth County, MO

The radar

The Pleasant Hill radar (KEAX), 83 km from the middle of the area, began a volume at 01:27 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

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

IssuedProductOfficeCountiesLasted
Apr 19, 8:19 PM CDTTornado WarningICTNeosho41 min
Apr 19, 8:29 PM CDTTornado WarningICTLabette46 min
Apr 19, 8:33 PM CDTTornado WarningSGFBourbon, Crawford57 min
Apr 19, 8:37 PM CDTSevere Thunderstorm WarningEAXJohnson38 min
Apr 19, 8:44 PM CDTSevere Thunderstorm WarningEAXDaviess, Grundy, Harrison61 min
Apr 19, 8:49 PM CDTSevere Thunderstorm WarningEAXCass56 min
Apr 19, 8:55 PM CDTTornado WarningICTNeosho20 min
Apr 19, 9:06 PM CDTSevere Thunderstorm WarningEAXJackson39 min
Apr 19, 9:15 PM CDTTornado WarningSGFBourbon60 min
Apr 19, 9:21 PM CDTSevere Thunderstorm WarningEAXLafayette54 min
Apr 19, 9:26 PM CDTTornado WarningSGFCrawford64 min
Apr 19, 9:26 PM CDTSevere Thunderstorm WarningEAXMercer, Putnam, Sullivan64 min
Apr 19, 9:36 PM CDTSevere Thunderstorm WarningEAXLinn39 min
Apr 19, 9:44 PM CDTSevere Thunderstorm WarningEAXGrundy, Sullivan46 min
Apr 19, 9:49 PM CDTSevere Thunderstorm WarningEAXCarroll, Saline56 min
Apr 19, 10:10 PM CDTTornado WarningSGFCedar, Vernon65 min
Apr 19, 10:19 PM CDTSevere Thunderstorm WarningEAXLafayette26 min
Apr 19, 10:25 PM CDTSevere Thunderstorm WarningEAXAdair, Sullivan65 min
Apr 19, 10:41 PM CDTSevere Thunderstorm WarningEAXSchuyler49 min
Apr 19, 10:47 PM CDTSevere Thunderstorm WarningEAXCarroll28 min
Apr 19, 11:23 PM CDTSevere Thunderstorm WarningICTMontgomery52 min
Apr 19, 11:34 PM CDTSevere Thunderstorm WarningEAXLeavenworth26 min
Apr 19, 11:39 PM CDTSevere Thunderstorm WarningEAXPlatte36 min
Apr 19, 11:42 PM CDTSevere Thunderstorm WarningEAXBuchanan48 min
Apr 19, 11:45 PM CDTSevere Thunderstorm WarningEAXLinn45 min
Apr 19, 11:55 PM CDTSevere Thunderstorm WarningICTLabette, Neosho50 min
Apr 19, 11:56 PM CDTSevere Thunderstorm WarningEAXAndrew, DeKalb49 min
Apr 20, 12:01 AM CDTSevere Thunderstorm WarningSGFBourbon44 min
Apr 20, 12:10 AM CDTSevere Thunderstorm WarningEAXGentry, Harrison80 min
Apr 20, 1:13 AM CDTSevere Thunderstorm WarningSGFBarton, Jasper47 min
Apr 20, 1:31 AM CDTTornado WarningSGFBarton, Cedar, Dade29 min
Apr 20, 1:34 AM CDTSevere Thunderstorm WarningEAXJohnson, Lafayette, Pettis, Saline71 min
Apr 20, 1:42 AM CDTSevere Thunderstorm WarningEAXMercer48 min
Apr 20, 1:57 AM CDTSevere Thunderstorm WarningEAXChariton48 min

The nearest sounding before it

Topeka, KS (KTOP), launched 00:00Z, 1.3 hours before the alert went out and 80 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 00:00Z on 2000-04-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1072 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2000-04-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 130 square meters per square second.1939587897117Sfc1 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
1072 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1917 m above ground
0-6 km bulk shear
72 kt
0-1 km storm-relative helicity
130 m²/s²
0-3 km storm-relative helicity
282 m²/s²
Significant tornado parameter
0.1
Supercell composite
6.8

Open this sounding in Storm Lab

The text

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

668 
WWUS9 KMKC 200049
SEL8  
MKC WW 200049
KSZ000-MOZ000-200700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 178
STORM PREDICTION CENTER NORMAN OK
749 PM CDT WED APR 19 2000

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

   EASTERN KANSAS                             
   WESTERN MISSOURI                           

EFFECTIVE THIS WEDNESDAY NIGHT AND THURSDAY MORNING FROM 815 PM
UNTIL 200 AM CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 70 STATUTE MILES EAST AND WEST
OF A LINE FROM 50 MILES SOUTH SOUTHWEST OF CHANUTE KANSAS TO 30
MILES NORTHEAST OF SPICKARD MISSOURI.

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 TORNADO WATCH
NUMBER 176.  WATCH NUMBER 176 WILL NOT BE IN EFFECT AFTER 815 PM
CDT.  CONTINUE...WW 177...

DISCUSSION...SUPERCELL STORMS ARE EXPECTED TO INITIATE ON
RETREATING DRYLINE AS LARGE SCALE FORCING AND COLD FRONT INTERSECT
WEST EDGE OF LOW LEVEL MOIST AXIS. GIVEN STRONG INSTABILITY...STEEP
LAPSE RATES AND MUCH STRONGER THAN FORECAST MID-UPPER FLOW...THREAT
FOR VERY LARGE HAIL AND TORNADOES WILL EXIST THROUGH THE REMAINDER
OF THIS EVENING.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24030.


...VESCIO

403,0915 365,0943 365,0970 403,0943

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Apr 19, 10:00 PM CDTTornado WatchSPCAudrain, Benton, Boone, Callaway, Camden, Cedar and 35 more6 hr
Apr 20, 12:30 AM CDTSevere Thunderstorm WatchSPCBarry, Christian, Douglas, McDonald, Newton, Ozark and 2 more6 hr
Apr 20, 3:15 AM CDTSevere Thunderstorm WatchSPCBollinger, Butler, Cape Girardeau, Carter, Crawford, Dent and 19 more5 hr
Apr 20, 4:15 AM CDTSevere Thunderstorm WatchSPCFranklin, Gasconade, Jefferson, Lincoln, Maries, Montgomery and 7 more6 hr

Nearby

Tornado Watches in Missouri, 2000Tornado Watches in Kansas, 2000Every tornado 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.