Alert archive / Missouri / Severe Thunderstorm Watches in 2000

Severe Thunderstorm Watch 736

September 11, 20007 counties in Kansas; 26 counties in Missouri; 8 counties in Oklahoma

The Storm Prediction Center issued this severe thunderstorm watch at Sep 11, 2000, 10:45 PM CDT for 7 counties in Kansas; 26 counties in Missouri; 8 counties in Oklahoma. It was in force for 4 hr.

The area

The outline as issued.

The facts

Issued
Sep 11, 2000, 10:45 PM CDT (03:45 UTC)
Expired
Sep 12, 2000, 3:00 AM CDT
In force
4 hr
Issued by
the Storm Prediction Center
All 41 counties

Bourbon County, KS, Cherokee County, KS, Crawford County, KS, Labette County, KS, Montgomery County, KS, Neosho County, KS, Wilson County, KS, Barry County, MO, Barton County, MO, Camden County, MO, Cedar County, MO, Christian County, MO, Dade County, MO, Dallas County, MO, Douglas County, MO, Greene County, MO, Hickory County, MO, Jasper County, MO, Laclede County, MO, Lawrence County, MO, Maries County, MO, McDonald County, MO, Miller County, MO, Newton County, MO, Polk County, MO, Pulaski County, MO, St. Clair County, MO, Stone County, MO, Taney County, MO, Texas County, MO, Vernon County, MO, Webster County, MO, Wright County, MO, Craig County, OK, Delaware County, OK, Mayes County, OK, Nowata County, OK, Ottawa County, OK, Rogers County, OK, Tulsa County, OK, Washington County, OK

The radar

The Springfield radar (KSGF), 89 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

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

IssuedProductOfficeCountiesLasted
Sep 11, 10:45 PM CDTSevere Thunderstorm WarningSGFBourbon45 min
Sep 11, 11:03 PM CDTSevere Thunderstorm WarningSGFCedar, Polk57 min
Sep 11, 11:03 PM CDTSevere Thunderstorm WarningSGFCamden, Hickory57 min
Sep 11, 11:09 PM CDTSevere Thunderstorm WarningICTNeosho, Wilson66 min
Sep 11, 11:32 PM CDTSevere Thunderstorm WarningSGFBourbon, Crawford28 min
Sep 11, 11:46 PM CDTSevere Thunderstorm WarningSGFDade29 min
Sep 11, 11:53 PM CDTSevere Thunderstorm WarningSGFDallas, Laclede, Webster, Wright37 min
Sep 11, 11:53 PM CDTSevere Thunderstorm WarningSGFGreene, Polk37 min
Sep 12, 12:00 AM CDTSevere Thunderstorm WarningSGFBarton, Vernon45 min
Sep 12, 12:24 AM CDTSevere Thunderstorm WarningICTMontgomery51 min
Sep 12, 1:52 AM CDTSevere Thunderstorm WarningSGFBarton23 min

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 3.8 hours before the alert went out and 71 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 00:00Z on 2000-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1561 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, Springfield, MO at 00:00Z on 2000-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 55 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
1561 J/kg
Mixed-layer CIN
-119 J/kg
Mixed-layer LCL
2128 m above ground
0-6 km bulk shear
23 kt
0-1 km storm-relative helicity
55 m²/s²
0-3 km storm-relative helicity
156 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

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

912 
WWUS9 KMKC 120332
SEL6  

SEL6  
WWUS9 KMKC 120327
MKC WW 120327
KSZ000-MOZ000-OKZ000-120800-

URGENT - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WATCH NUMBER 736
STORM PREDICTION CENTER NORMAN OK
1027 PM CDT MON SEP 11 2000

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

   SOUTHEAST KANSAS                             
   SOUTHWEST MISSOURI                           
   NORTHEAST OKLAHOMA                           

EFFECTIVE THIS MONDAY NIGHT AND TUESDAY MORNING FROM 1045 PM UNTIL
300 AM CDT.

HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE SEVERE THUNDERSTORM WATCH AREA IS ALONG AND 55 STATUTE MILES
NORTH AND SOUTH OF A LINE FROM 5 MILES NORTHWEST OF BARTLESVILLE
OKLAHOMA TO 15 MILES EAST SOUTHEAST OF FORT LEONARD WOOD 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...  CONTINUE...WW 732...WW 733...WW
734...WW 735...

DISCUSSION...SEVERE THUNDERSTORMS CONTINUE TO DEVELOP SEWD INTO LOW
LEVEL JET.  WITH AIRMASS REMAINING UNSTABLE COUPLED WITH THE STEEP
LAPSE RATES ABOVE BOUNDARY LAYER...POTENTIAL FOR DAMAGING WINDS AND
LARGE HAIL WILL CONTINUE FOR SEVEREL HOURS.


AVIATION...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 550.  MEAN STORM
MOTION VECTOR 32025.


...HALES

365,0915 360,0960 373,0960 382,0915

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 8:00 PM CDTSevere Thunderstorm WatchSPCClark, Lewis, Marion, Monroe, Ralls, Randolph and 1 more4 hr
Sep 11, 10:30 PM CDTSevere Thunderstorm WatchSPCFranklin, Gasconade, Lincoln, Osage, Saint Charles, Saint Louis and 2 more5 hr

Nearby

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