Tornado Watch 219

Issued

May 19, 2004, 3:00 PM CDT (20:00 UTC)

Expired

May 19, 2004, 8:00 PM CDT

In force

5 hr

Issued by

the Storm Prediction Center

The Aberdeen radar (KABR), 39 km from the middle of the area, began a volume at 20:01 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.

• Mesoscale Discussion 764May 19, 2:35 PM CDT
• Mesoscale Discussion 768May 19, 6:09 PM CDT
• Mesoscale Discussion 770May 19, 7:31 PM CDT

000 
WWUS20 KWNS 192004
SEL9  
SPC WW 192000
MNZ000-NDZ000-SDZ000-200100-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 219
NWS STORM PREDICTION CENTER NORMAN OK
300 PM CDT WED MAY 19 2004

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

       EXTREME WEST-CENTRAL MINNESOTA
       SOUTHEAST NORTH DAKOTA
       CENTRAL AND NORTHEAST SOUTH DAKOTA

EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 300 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 EAST AND WEST
OF A LINE FROM 45 MILES NORTH NORTHWEST OF FARGO NORTH DAKOTA TO
10 MILES WEST OF CHAMBERLAIN SOUTH DAKOTA.

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 218...

DISCUSSION...CONVECTION IS INCREASING ALONG AND JUST AHEAD OF A
SURFACE TROUGH NOW EXTENDING FROM NEAR JMS TO NEAR PIR ATTM.  LARGE
SCALE ASCENT WILL INCREASE ACROSS WW THROUGH THE EARLY
EVENING...WITH FURTHER HEATING PROVIDING AXIS OF MODERATE
INSTABILITY AHEAD OF EWD MOVING SURFACE TROUGH.  THUS...SEVERE
THUNDERSTORM DEVELOPMENT IS EXPECTED TO OCCUR DURING THE NEXT HOUR
OR SO ALONG THIS TROUGH.  LOW AND DEEP LAYER SHEAR WILL BE
SUFFICIENT FOR SUPERCELLS WITH AN ATTENDANT THREAT OF ISOLATED
TORNADOES AS ACTIVITY MOVES ENEWD TOWARDS WRN MN AND ERN SD.

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 25030.


...EVANS

472,0954 434,0981 434,1004 472,0983

Tornado Watches in South Dakota, 2004Tornado Watches in North Dakota, 2004Tornado Watches in Minnesota, 2004Every tornado watch in 2004

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.