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Severe Thunderstorm Watch 675
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WW0675 Radar
Hazard Tornadoes EF2+ Tornadoes
Likelihood Low Very Low
Severe Wind 65 kt+ Wind
Moderate Low
Severe Hail 2"+ Hail
Moderate Very Low

Note:  The expiration time in the watch graphic is amended if the watch is replaced, cancelled or extended.
Note: Click for Watch Status Reports.
   SEL5
   
   URGENT - IMMEDIATE BROADCAST REQUESTED
   SEVERE THUNDERSTORM WATCH NUMBER 675
   NWS STORM PREDICTION CENTER NORMAN OK
   1010 PM CDT FRI JUL 22 2011
   
   THE NWS STORM PREDICTION CENTER HAS ISSUED A
   SEVERE THUNDERSTORM WATCH FOR PORTIONS OF 
   
          NORTHWEST MINNESOTA
          CENTRAL AND EASTERN NORTH DAKOTA
   
   EFFECTIVE THIS FRIDAY NIGHT AND SATURDAY MORNING FROM 1010 PM
   UNTIL 500 AM CDT.
   
   HAIL TO 1.5 INCHES IN DIAMETER...THUNDERSTORM WIND GUSTS TO 70
   MPH...AND DANGEROUS LIGHTNING ARE POSSIBLE IN THESE AREAS.
   
   THE SEVERE THUNDERSTORM WATCH AREA IS APPROXIMATELY ALONG AND 130
   STATUTE MILES EAST AND WEST OF A LINE FROM 50 MILES NORTH
   NORTHWEST OF GRAND FORKS NORTH DAKOTA TO 55 MILES SOUTHWEST OF
   FARGO NORTH DAKOTA.  FOR A COMPLETE DEPICTION OF THE WATCH SEE
   THE ASSOCIATED WATCH OUTLINE UPDATE (WOUS64 KWNS WOU5).
   
   REMEMBER...A SEVERE THUNDERSTORM WATCH MEANS CONDITIONS ARE
   FAVORABLE FOR 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. SEVERE THUNDERSTORMS CAN AND OCCASIONALLY
   DO PRODUCE TORNADOES.
   
   OTHER WATCH INFORMATION...CONTINUE...WW 673...WW 674...
   
   DISCUSSION...TSTMS EXPECTED TO INCREASE IN COVERAGE AND POSSIBLY
   STRENGTH ALONG 850 MB WARM/QSTNRY FRONT LYING WSW/ESE ALONG MAIN
   AXIS OF WW THROUGH EARLY SAT.  DEGREE OF ELEVATED INSTABILITY
   /MAINLY GIVEN 16-17C 850 MB DEW POINTS/ AND STRENGTHENING OF SLY LLJ
   SUGGEST POTENTIAL FOR SVR HAIL.  OTHERWISE...WRN/CNTRL ND BOW MCS
   SHOULD CONTINUE MAINLY EWD.  WHILE CONVECTIVE SYSTEM LIKELY WILL
   BECOME SOMEWHAT ELEVATED IN WW AREA...POTENTIAL WILL STILL EXIST FOR
   DMGG SFC GUSTS GIVEN HEAVY PRECIP LOADING...ELY LOW LVL FLOW...AND
   DEGREE OF ORGANIZATION OF LINE.
   
   AVIATION...A FEW SEVERE THUNDERSTORMS WITH HAIL SURFACE AND ALOFT
   TO 1.5 INCHES. EXTREME TURBULENCE AND SURFACE WIND GUSTS TO 60
   KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO 500. MEAN STORM
   MOTION VECTOR 26030.
   
   
   ...CORFIDI
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