Alert archive / Missouri / Tornado Watches in 2000

Tornado Watch 247

May 8, 200013 counties in Illinois; 4 counties in Kansas; 41 counties in Missouri

The Storm Prediction Center issued this tornado watch at May 8, 2000, 6:45 PM CDT for 13 counties in Illinois; 4 counties in Kansas; 41 counties in Missouri. It was in force for 5 hr.

The area

The outline as issued.

The facts

Issued
May 8, 2000, 6:45 PM CDT (23:45 UTC)
Expired
May 9, 2000, 12:00 AM CDT
In force
5 hr
Issued by
the Storm Prediction Center
All 58 counties

Adams County, IL, Brown County, IL, Cass County, IL, Fulton County, IL, Hancock County, IL, Mason County, IL, McDonough County, IL, Menard County, IL, Morgan County, IL, Pike County, IL, Schuyler County, IL, Scott County, IL, Tazewell County, IL, Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Audrain County, MO, Barton County, MO, Bates County, MO, Benton County, MO, Boone County, MO, Callaway County, MO, Camden County, MO, Cedar County, MO, Chariton County, MO, Clark County, MO, Cole County, MO, Cooper County, MO, Dade County, MO, Dallas County, MO, Greene County, MO, Henry County, MO, Hickory County, MO, Howard County, MO, Jasper County, MO, Johnson County, MO, Knox County, MO, Lawrence County, MO, Lewis County, MO, Lincoln County, MO, Macon County, MO, Marion County, MO, Miller County, MO, Moniteau County, MO, Monroe County, MO, Montgomery County, MO, Morgan County, MO, Osage County, MO, Pettis County, MO, Pike County, MO, Polk County, MO, Ralls County, MO, Randolph County, MO, Saline County, MO, Shelby County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Pleasant Hill radar (KEAX), 101 km from the middle of the area, began a volume at 23:48 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

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

IssuedProductOfficeCountiesLasted
May 8, 7:01 PM CDTSevere Thunderstorm WarningSGFSt. Clair29 min
May 8, 7:08 PM CDTSevere Thunderstorm WarningLSXBoone52 min
May 8, 7:19 PM CDTSevere Thunderstorm WarningSGFBenton56 min
May 8, 7:42 PM CDTSevere Thunderstorm WarningLSXAudrain48 min
May 8, 7:52 PM CDTSevere Thunderstorm WarningLSXKnox38 min
May 8, 7:55 PM CDTSevere Thunderstorm WarningLSXBoone50 min
May 8, 8:08 PM CDTSevere Thunderstorm WarningLSXAudrain, Callaway52 min
May 8, 8:11 PM CDTSevere Thunderstorm WarningSGFBenton, Camden, Morgan64 min
May 8, 8:12 PM CDTSevere Thunderstorm WarningLSXMoniteau48 min
May 8, 8:22 PM CDTSevere Thunderstorm WarningLSXLewis53 min
May 8, 8:24 PM CDTSevere Thunderstorm WarningEAXBates, Cass51 min
May 8, 8:36 PM CDTSevere Thunderstorm WarningLSXCole39 min
May 8, 8:38 PM CDTSevere Thunderstorm WarningLSXPike, Ralls52 min
May 8, 8:50 PM CDTSevere Thunderstorm WarningDVNHancock55 min
May 8, 8:58 PM CDTSevere Thunderstorm WarningILXFulton, Knox47 min
May 8, 9:08 PM CDTSevere Thunderstorm WarningEAXJohnson, Lafayette52 min
May 8, 9:08 PM CDTSevere Thunderstorm WarningEAXHenry52 min
May 8, 9:10 PM CDTSevere Thunderstorm WarningLSXMontgomery50 min
May 8, 9:18 PM CDTSevere Thunderstorm WarningICTLabette57 min
May 8, 9:23 PM CDTSevere Thunderstorm WarningDVNMcDonough37 min
May 8, 9:37 PM CDTSevere Thunderstorm WarningSGFCherokee, Crawford38 min
May 8, 9:38 PM CDTSevere Thunderstorm WarningEAXPettis52 min
May 8, 9:45 PM CDTSevere Thunderstorm WarningILXFulton60 min
May 8, 9:50 PM CDTSevere Thunderstorm WarningILXMason, Tazewell55 min
May 8, 9:57 PM CDTSevere Thunderstorm WarningLSXLincoln48 min
May 8, 10:02 PM CDTTornado WarningILXTazewell43 min
May 8, 10:06 PM CDTSevere Thunderstorm WarningSGFBarton, Jasper39 min
May 8, 10:12 PM CDTSevere Thunderstorm WarningEAXJohnson48 min
May 8, 10:29 PM CDTSevere Thunderstorm WarningILXLogan, Menard61 min
May 8, 10:38 PM CDTSevere Thunderstorm WarningLSXMoniteau37 min
May 8, 10:40 PM CDTTornado WarningILXMcLean, Tazewell50 min
May 8, 10:44 PM CDTSevere Thunderstorm WarningSGFBarton, Dade, Jasper, Lawrence61 min
May 8, 11:18 PM CDTSevere Thunderstorm WarningLSXAdams42 min
May 8, 11:31 PM CDTSevere Thunderstorm WarningLSXCallaway44 min
May 8, 11:34 PM CDTSevere Thunderstorm WarningSGFCedar26 min
May 8, 11:47 PM CDTSevere Thunderstorm WarningSGFDallas, Hickory, Polk43 min

The nearest sounding before it

Springfield, MO (KSGF), launched 12:00Z, 11.8 hours before the alert went out and 180 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, Springfield, MO at 12:00Z on 2000-05-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1208 joules per kilogram.LCLLFCEL10008507005003002001001 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, Springfield, MO at 12:00Z on 2000-05-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 383 square meters per square second.193958Sfc1 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
1208 J/kg
Mixed-layer CIN
-587 J/kg
Mixed-layer LCL
1266 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
383 m²/s²
0-3 km storm-relative helicity
370 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.

569 
WWUS9 KMKC 082316
SEL7  

SEL7  
MKC WW 082316
ILZ000-KSZ000-MOZ000-090500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 247
STORM PREDICTION CENTER NORMAN OK
616 PM CDT MON MAY 8 2000

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

   WEST CENTRAL ILLINOIS                           
   SOUTHEAST KANSAS                             
   MISSOURI                           

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 645 PM UNTIL
MIDNIGHT CDT.

TORNADOES...HAIL TO 3 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 70 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 15 MILES SOUTHWEST OF JOPLIN MISSOURI TO 65 MILES
NORTHEAST OF QUINCY ILLINOIS.

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 245.  WATCH NUMBER 245 WILL NOT BE IN EFFECT AFTER 645 PM
CDT.  CONTINUE...WW 246...

DISCUSSION...STORMS DEVELOPING ALONG FRONTAL ZONE WRN MO. WITH
CONTINUED WEAKENING OF CAP IN THE VERY UNSTABLE WARM SECTOR  SEVERE
STORMS WILL BECOME MORE WIDESPREAD VICINITY FRONTAL ZONE WITH SHEAR
PROFILES SUFFICIENT FOR SUPERCELLS AND ISOLATED TORNADOES.


AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 3 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 60 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. 
MEAN STORM MOTION VECTOR 24030.


...HALES

365,0955 403,0913 403,0885 365,0932

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 8, 7:30 AM CDTSevere Thunderstorm WatchSPCBoone, Bureau, Carroll, DeKalb, DuPage, Grundy and 15 more5 hr
May 8, 2:00 PM CDTTornado WatchSPCAdams, Boone, Brown, Bureau, Carroll, Cass and 36 more6 hr

Nearby

Tornado Watches in Missouri, 2000Tornado Watches in Illinois, 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.