Tornado Watch 527

Issued

Jun 25, 2005, 6:40 PM MDT (00:40 UTC)

Expired

Jun 26, 2005, 1:00 AM MDT

In force

6 hr

Issued by

the Storm Prediction Center

The Glasgow radar (KGGW), 218 km from the middle of the area, began a volume at 00:42 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 1469Jun 25, 5:09 PM MDT
• Mesoscale Discussion 1476Jun 25, 9:20 PM MDT
• Mesoscale Discussion 1478Jun 25, 10:49 PM MDT

000 
WWUS20 KWNS 260039
SEL7  
SPC WW 260039
MTZ000-NDZ000-SDZ000-260700-

URGENT - IMMEDIATE BROADCAST REQUESTED
TORNADO WATCH NUMBER 527
NWS STORM PREDICTION CENTER NORMAN OK
640 PM MDT SAT JUN 25 2005

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

       EASTERN MONTANA
       WESTERN NORTH DAKOTA
       NORTHWEST SOUTH DAKOTA

EFFECTIVE THIS SATURDAY NIGHT AND SUNDAY MORNING FROM 640 PM UNTIL
100 AM MDT.

TORNADOES...HAIL TO 2.5 INCHES IN DIAMETER...THUNDERSTORM WIND
GUSTS TO 70 MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE
AREAS.

THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 120 STATUTE
MILES EAST AND WEST OF A LINE FROM 60 MILES NORTH NORTHEAST OF
WILLISTON NORTH DAKOTA TO 30 MILES SOUTH OF BROADUS MONTANA.  FOR
A COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE
UPDATE (WOUS64 KWNS WOU7).

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 525. WATCH NUMBER 525 WILL NOT BE IN EFFECT AFTER 640
PM MDT. CONTINUE...WW 523...WW 524...WW 526...

DISCUSSION...LARGE/SUSTAINED SUPERCELLS AND ADDITIONAL STORM
CLUSTERS WILL CONTINUE TO SPREAD E/NE ACROSS WW AREA TONIGHT AS
UPPER SPEED MAX CONTINUES NE INTO SRN SASKATCHEWAN.  EXISTING STORMS
WILL ENCOUNTER AXIS OF GREATEST SURFACE-BASED INSTABILITY AND LOW
LEVEL SHEAR... ATTM EXTENDING FROM NW SD INTO E CNTRL MT...DURING
THE NEXT FEW HOURS.  AS A RESULT...THREAT WILL EXIST FOR TORNADOES
IN ADDITION TO LARGE HAIL/HIGH WIND.

AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL
SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE
WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO
550. MEAN STORM MOTION VECTOR 25025.


...CORFIDI

485,1002 445,1025 445,1075 485,1054

Tornado Watches in North Dakota, 2005Tornado Watches in Montana, 2005Tornado Watches in South Dakota, 2005Every tornado watch in 2005

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.