Tornado Watch 622

Issued

Jul 26, 2000, 2:30 PM CDT (19:30 UTC)

Expired

Jul 26, 2000, 8:00 PM CDT

In force

6 hr

Issued by

the Storm Prediction Center

The Omaha radar (KOAX), 6 km from the middle of the area, began a volume at 19:31 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.

432 
WWUS9 KMKC 261913
SEL2  

SEL2  
MKC WW 261906
IAZ000-NEZ000-270100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 622
STORM PREDICTION CENTER NORMAN OK
206 PM CDT WED JUL 26 2000

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

   CENTRAL AND SOUTHWESTERN IOWA                               
   EASTERN AND SOUTH CENTRAL NEBRASKA                           

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 230 PM UNTIL
800 PM 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 65 STATUTE MILES NORTH AND
SOUTH OF A LINE FROM 5 MILES WEST SOUTHWEST OF KEARNEY NEBRASKA TO
45 MILES NORTH OF OTTUMWA 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.


DISCUSSION...AIR MASS VERY UNSTABLE ACROSS THE REGION WITH CAPES
AOA 4000 J/KG. SLOW MOVING FRONT AND SOUTHWESTERN PORTION OF UPPER
SHORT WAVE TROUGH WILL PROVIDE WEAK BUT PERSISTANT UPWARD FORCING
WITH THUNDERSTORMS INTENSIFYING THIS AFTERNOON. 40 TO 50 KT
NORTHWESTERLY FLOW AT MID LEVELS WILL PROVIDE FAVORABLE SHEAR FOR
SUPERCELLS WITH ISOLATED TORNADOES AND SCATTERED LARGE HAIL.

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 500. 
MEAN STORM MOTION VECTOR 28035.

...ROGASH

404,0922 394,0990 413,0990 424,0922

Tornado Watches in Iowa, 2000Tornado Watches in Nebraska, 2000Tornado Watches in Missouri, 2000Every tornado watch in 2000

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.