FNUS73 KMPX 271316 FWSMPX SPOT FORECAST FOR GREY CLOUD SNA...MN DNR NATIONAL WEATHER SERVICE TWIN CITIES/CHANHASSEN MN 816 AM CDT TUE APR 27 2010 FORECAST IS BASED ON IGNITION TIME OF 1030 CDT ON APRIL 27. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... A LARGE AREA OF HIGH PRESSURE WILL BUILD ACROSS THE WESTERN GREAT LAKES...AND INTO THE UPPER MIDWEST THROUGH TONIGHT. AN AREA OF LOW PRESSURE WILL BEGIN TO DEEPEN ACROSS THE ROCKIES...AND INTO THE PLAINS BY WEDNESDAY. THE PRESSURE GRADIENT ACROSS THE UPPER MIDWEST WILL STRENGTHEN CAUSING GUSTY WINDS TO DEVELOP BY WEDNESDAY. IN ADDITION TO THE STRENGTHENING PRESSURE GRADIENT AND GUSTY WINDS...HUMIDITY LEVELS WILL REMAIN LOW AS THE DRY CANADIAN AIR MASS SLOWLY RETREATS. .TODAY... SKY/WEATHER.........MOSTLY SUNNY. TEMPERATURE.........58 AT IGNITION...MAX 63. MIN HUMIDITY........28 PERCENT AT IGNITION...MIN 19 PERCENT. WIND (20 FT)........WINDS NORTHEAST AT 6 MPH AT IGNITION...OTHERWISE NORTHEAST WINDS 5 TO 6 MPH UNTIL LATE AFTERNOON BECOMING LIGHT. HAINES INDEX........4 OR LOW AT IGNITION...MAX 4. SMOKE DISPERSAL.....POOR TO GOOD (6000-49200). TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM 6 PM SKY (%).........CLEAR MCLEAR MCLEAR MCLEAR MCLEAR MCLEAR WEATHER COV..... WEATHER TYPE....NONE NONE NONE NONE NONE NONE TEMP............44 55 60 62 63 63 RH..............43 28 21 19 18 17 20 FT WIND......NE 5 NE 5 NE 5 NE 5 NE 5 NE 3 20 FT WIND GUST. 5 HAINES INDEX....4 4 3 3 4 4 .TONIGHT... MAX HUMIDITY........64 PERCENT. WIND (20 FT)........LIGHT WINDS. .WEDNESDAY... SKY/WEATHER.........PARTLY SUNNY. MAX TEMPERATURE.....69. MIN HUMIDITY........22 PERCENT. WIND (20 FT)........LIGHT WINDS BECOMING SOUTHEAST 8 TO 13 MPH. $$ FORECASTER...HULTQUIST REQUESTED BY...RUSS SMITH TYPE OF REQUEST...PRESCRIBED .TAG 20100427.GREYC.01/MPX