Tornado Watch 414

Issued

Jun 13, 2001, 12:00 AM CDT (05:00 UTC)

Expired

Jun 13, 2001, 5:00 AM CDT

In force

5 hr

Issued by

the Storm Prediction Center

The Sioux Falls radar (KFSD), 129 km from the middle of the area, began a volume at 05:00 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.

000 
WWUS9 KMKC 130444
SEL4  

SEL4  
WWUS9 KMKC 130440
MKC WW 130440
IAZ000-MNZ000-NEZ000-SDZ000-131000-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 414
STORM PREDICTION CENTER NORMAN OK
1140 PM CDT TUE JUN 12 2001

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

   NORTHWEST IOWA                               
   SOUTHWEST MINNESOTA                          
   NORTHERN NEBRASKA                           
   SOUTHEAST SOUTH DAKOTA                       

EFFECTIVE THIS WEDNESDAY MORNING FROM MIDNIGHT CDT UNTIL 500 AM
CDT.

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

THE TORNADO WATCH AREA IS ALONG AND 55 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 25 MILES WEST SOUTHWEST OF VALENTINE NEBRASKA
TO 35 MILES SOUTHEAST OF FAIRMONT MINNESOTA.

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 412.  WATCH NUMBER 412 WILL NOT BE IN EFFECT AFTER MIDNIGHT
CDT.  CONTINUE...WW 413...

DISCUSSION...SEVERE THUNDERSTORMS AND ISOLATED TORNADIC SUPERCELLS
WILL CONTINUE TO DEVELOP ALONG AND NORTH OF E/W FRONTAL ZONE ACROSS
NRN NEB INTO NWRN IA.  LOW LEVEL JET HAS INCREASED TO 60 KT
RESULTING IN VERY FAVORABLE VEERING SHEAR PROFILES SUPPORTING
SUPERCELLS.  WITH CONTINUE INFLUX OF HIGH INSTABILITY IN WARM
SECTOR...SEVERE POTENTIAL WILL CONTINUE MUCH OF NIGHT.


AVIATION...TORNADOES AND 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 600. 
MEAN STORM MOTION VECTOR 27030.6


...HALES

;433,1010 440,0935 422,0935 415,1010;

Tornado Watches in Iowa, 2001Tornado Watches in South Dakota, 2001Tornado Watches in Nebraska, 2001Every tornado watch in 2001

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.