Alert archive / Iowa / Tornado Watches in 2000

Tornado Watch 445

June 13, 200047 counties in Iowa; 10 counties in Kansas; 27 counties in Missouri

The Storm Prediction Center issued this tornado watch at Jun 13, 2000, 5:30 PM CDT for 47 counties in Iowa; 10 counties in Kansas; 27 counties in Missouri. It was in force for 7 hr.

The area

The outline as issued.

The facts

Issued
Jun 13, 2000, 5:30 PM CDT (22:30 UTC)
Expired
Jun 14, 2000, 12:00 AM CDT
In force
7 hr
Issued by
the Storm Prediction Center
All 84 counties

Adair County, IA, Adams County, IA, Allamakee County, IA, Appanoose County, IA, Benton County, IA, Black Hawk County, IA, Boone County, IA, Bremer County, IA, Buchanan County, IA, Butler County, IA, Cerro Gordo County, IA, Chickasaw County, IA, Clarke County, IA, Dallas County, IA, Davis County, IA, Decatur County, IA, Fayette County, IA, Floyd County, IA, Franklin County, IA, Grundy County, IA, Hamilton County, IA, Hancock County, IA, Hardin County, IA, Howard County, IA, Iowa County, IA, Jasper County, IA, Keokuk County, IA, Lucas County, IA, Madison County, IA, Mahaska County, IA, Marion County, IA, Marshall County, IA, Mitchell County, IA, Monroe County, IA, Polk County, IA, Poweshiek County, IA, Ringgold County, IA, Story County, IA, Tama County, IA, Taylor County, IA, Union County, IA, Wapello County, IA, Warren County, IA, Wayne County, IA, Winneshiek County, IA, Worth County, IA, Wright County, IA, Atchison County, KS, Doniphan County, KS, Douglas County, KS, Franklin County, KS, Jefferson County, KS, Johnson County, KS, Leavenworth County, KS, Miami County, KS, Osage County, KS, Wyandotte County, KS, Andrew County, MO, Buchanan County, MO, Caldwell County, MO, Carroll County, MO, Cass 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, Mercer County, MO, Nodaway County, MO, Platte County, MO, Putnam County, MO, Ray County, MO, Saline County, MO, Schuyler County, MO, Sullivan County, MO, Worth County, MO

The radar

The Des Moines radar (KDMX), 153 km from the middle of the area, began a volume at 22:33 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

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

IssuedProductOfficeCountiesLasted
Jun 13, 5:40 PM CDTSevere Thunderstorm WarningDMXAdair, Adams35 min
Jun 13, 6:19 PM CDTSevere Thunderstorm WarningDMXHamilton, Story41 min
Jun 13, 6:37 PM CDTSevere Thunderstorm WarningDMXHardin38 min
Jun 13, 6:48 PM CDTSevere Thunderstorm WarningTOPJefferson42 min
Jun 13, 6:50 PM CDTSevere Thunderstorm WarningEAXAtchison, Doniphan55 min
Jun 13, 6:57 PM CDTTornado WarningDMXMarshall33 min
Jun 13, 7:18 PM CDTSevere Thunderstorm WarningEAXLeavenworth, Wyandotte57 min
Jun 13, 7:18 PM CDTSevere Thunderstorm WarningEAXBuchanan, Platte57 min
Jun 13, 7:23 PM CDTSevere Thunderstorm WarningTOPOsage37 min
Jun 13, 7:29 PM CDTFlash Flood WarningARXFloyd3 hr
Jun 13, 7:30 PM CDTSevere Thunderstorm WarningTOPJefferson30 min
Jun 13, 7:39 PM CDTSevere Thunderstorm WarningTOPDouglas36 min
Jun 13, 7:46 PM CDTSevere Thunderstorm WarningDMXBlack Hawk, Bremer44 min
Jun 13, 7:53 PM CDTSevere Thunderstorm WarningEAXClinton, DeKalb67 min
Jun 13, 7:58 PM CDTSevere Thunderstorm WarningTOPJefferson, Shawnee32 min
Jun 13, 8:03 PM CDTSevere Thunderstorm WarningDVNBenton, Buchanan27 min
Jun 13, 8:08 PM CDTSevere Thunderstorm WarningTOPDouglas42 min
Jun 13, 8:11 PM CDTSevere Thunderstorm WarningEAXCaldwell, Daviess64 min
Jun 13, 8:14 PM CDTSevere Thunderstorm WarningTOPCoffey, Franklin, Osage61 min
Jun 13, 8:16 PM CDTSevere Thunderstorm WarningEAXJohnson, Leavenworth, Wyandotte59 min
Jun 13, 8:30 PM CDTSevere Thunderstorm WarningDVNBuchanan, Delaware, Linn45 min
Jun 13, 8:30 PM CDTSevere Thunderstorm WarningDVNBenton45 min
Jun 13, 8:48 PM CDTSevere Thunderstorm WarningTOPDouglas27 min
Jun 13, 9:15 PM CDTSevere Thunderstorm WarningEAXJohnson, Miami60 min
Jun 13, 9:16 PM CDTSevere Thunderstorm WarningDVNKeokuk, Washington44 min
Jun 13, 9:19 PM CDTSevere Thunderstorm WarningEAXPutnam41 min
Jun 13, 9:55 PM CDTFlash Flood WarningDVNIowa4 hr

The nearest sounding before it

Topeka, KS (KTOP), launched 12:00Z, 10.5 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-pSkew-T log-p diagram, Topeka, KS at 12:00Z on 2000-06-13Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1552 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, Topeka, KS at 12:00Z on 2000-06-13The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 156 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
1552 J/kg
Mixed-layer CIN
-218 J/kg
Mixed-layer LCL
1105 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
156 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.6

Open this sounding in Storm Lab

The text

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

948 
WWUS9 KMKC 132210
SEL5  

SEL5  
MKC WW 132210
IAZ000-KSZ000-MOZ000-140500-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 445
STORM PREDICTION CENTER NORMAN OK
510 PM CDT TUE JUN 13 2000

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

   CENTRAL AND EASTERN IOWA                               
   NORTHEAST KANSAS                             
   NORTHERN AND WESTERN MISSOURI                           

EFFECTIVE THIS TUESDAY NIGHT AND WEDNESDAY MORNING FROM 530 PM
UNTIL MIDNIGHT CDT.

TORNADOES...HAIL TO 2 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS
TO 80 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.

THE TORNADO WATCH AREA IS ALONG AND 65 STATUTE MILES EAST AND WEST
OF A LINE FROM 35 MILES SOUTH OF OLATHE KANSAS TO 50 MILES EAST
NORTHEAST OF MASON CITY IOWA.

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...  CONTINUE...WW 440...WW 441...WW
442...WW 443...WW 444...

DISCUSSION...STRONG SURFACE PRESSURE FALLS...CONCENTRATING INVOF
INTERSECTION OF RETREATING E/W OUTFLOW BOUNDARY OVER SRN IA AND
NE/SW-ORIENTED SQUALL LINE...EXPECTED TO BE FOCUS OF GREATEST
SEVERE THREAT NEXT SEVERAL HOURS AS INTERSECTION MOVES NE ACROSS
CNTRL IA.  OTHER EMBEDDED SUPERCELLS WITH TORNADIC POTENTIAL...NOW
N AND W OF TOP...WILL AFFECT PARTS OF NW MO/NE KS LATER THIS
EVENING. 

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2 INCHES.  EXTREME TURBULENCE AND SURFACE WIND
GUSTS TO 70 KNOTS.  A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 550. 
MEAN STORM MOTION VECTOR 23035.

...CORFIDI

432,0910 382,0933 382,0955 432,0934

SPC that day

Everything else SPC issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 12, 11:00 PM CDTSevere Thunderstorm WatchSPCPlymouth5 hr
Jun 13, 11:45 AM CDTSevere Thunderstorm WatchSPCAdair, Adams, Appanoose, Audubon, Boone, Calhoun and 40 more5 hr
Jun 13, 2:00 PM CDTTornado WatchSPCAdair, Adams, Audubon, Boone, Calhoun, Carroll and 18 more6 hr
Jun 13, 2:15 PM CDTSevere Thunderstorm WatchSPCBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 8 more6 hr
Jun 13, 3:00 PM CDTTornado WatchSPCBarber, Butler, Chase, Clark, Comanche, Edwards and 9 more6 hr

Nearby

Tornado Watches in Iowa, 2000Tornado 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.