FNUS73 KDLH 141842 FWSDLH SPOT FORECAST FOR MUD GOOSE RX...USFS NATIONAL WEATHER SERVICE DULUTH MN 142 PM CDT TUE APR 14 2009 FORECAST IS BASED ON IGNITION TIME OF 1255 CDT ON APRIL 14. IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION... DRY AND CHILLY HIGH PRESSURE OVER JAMES BAY CONTINUES TO RIDGE STRONGLY SOUTHWESTWARD OVER LAKE SUPERIOR AND ACROSS NORTHERN MINNESOTA...AND WILL CONTINUE TO DO SO FOR THE NEXT FEW DAYS. SCATTERED SHOWERS FROM A DECAYING DISTURBANCE ALOFT HAVE MOVED NORTH OF THE MUD GOOSE AREA...IN NORTHERN CASS COUNTY...AND SKIES WILL CONTINUE TO CLEAR. A VERY CHILLY AND BRISK ONSHORE FLOW... WITH DEW POINTS AS LOW AS ZERO...WILL MOISTEN SOMEWHAT TO DEW POINTS IN THE UPPER TEENS ACROSS NORTHERN CASS COUNTY THIS AFTERNOON. TEMPERATURES IN THE MID 30S NEAR LAKE SUPERIOR WILL WARM INTO THE UPPER 50S BY THE TIME THE AIR GETS TO NORTHERN CASS COUNTY THIS AFTERNOON. NORTHEAST WINDS TO 20 MPH WILL VEER TO THE SOUTHEAST AND SUBSIDE TO 5 TO 8 MPH WITH SOME GUSTS TO 12 TO 15 MPH BY THE TIME THEY REACH NORTHERN CASS COUNTY THIS AFTERNOON. FOR TONIGHT...TEMPERATURES AND WINDS WILL PLUNGE RIGHT AFTER SUNSET...WITH LOWS OF SEVERAL DEGREES BELOW FREEZING BY WEDNESDAY MORNING. NORTHERN CASS COUNTY WILL BE UNDER A STRONG INVERSION SO EAST WINDS WILL REMAIN ALOFT AND SMOKE DISPERSAL WILL DETERIORATE FROM GOOD TO POOR DURING THE EVENING AND OVERNIGHT. THE OUTLOOK FOR WEDNESDAY CALLS FOR CONTINUED VERY DRY CONDITIONS WITH TEMPERATURES RISING INTO THE LOW TO MID 60S...RELATIVE HUMIDIES ACROSS NORTHERN CASS COUNTY DROPPING TO 20 PERCENT OR LOWER...AND SOUTHEAST WINDS BECOMING MORE BRISK...AVERAGING 10 TO 13 MPH AT 20 FEET WITH GUSTS POSSIBLY OVER 20 MPH AT 20 FEET. THESE MORE HARSH CONDITIONS ARE A CONSEQUENCE OF DEVELOPING LOW PRESSURE OVER THE WESTERN DAKOTAS AND A SIGNIFICANT STRENGTHENING OF THE ALREADY STRONG HIGH PRESSURE RIDGE OVER LAKE SUPERIOR. .TODAY... SKY / WEATHER.......PARTLY SUNNY. ISOLATED RAIN SHOWERS EARLY IN THE MORNING. CHANCE OF SHOWERS 20 PERCENT. MAX TEMPERATURE.....55-60. MIN HUMIDITY........21 PERCENT. 20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST 7 TO 8 MPH. MIXING HEIGHT.......550 FT AGL INCREASING TO 4550 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTH 5 TO 10 MPH. SMOKE DISPERSAL.....GOOD (32100). TIME (CDT) 12P 1PM 2PM 3PM 4PM 5PM 6PM TEMP............51 53 55 57 58 58 57 RH..............27 25 23 21 22 22 22 20 FT WIND DIR..SE SE SE S S S SE 20 FT WIND SPD..4 4 5 6 7 7 6 20 FT WIND GUST.7 7 8 13 14 14 13 .TONIGHT... SKY / WEATHER.......MOSTLY CLEAR. MIN TEMPERATURE.....26-31. MAX HUMIDITY........69 PERCENT. 20-FOOT WINDS.......SOUTHEAST WINDS 3 TO 6 MPH IN THE EVENING BECOMING LIGHT. MIXING HEIGHT.......750 FT AGL. TRANSPORT WINDS.....SOUTHEAST 10 TO 15 MPH. SMOKE DISPERSAL.....POOR (7700). TIME (CDT) 7 PM 9 PM 11 PM 1 AM 3 AM 5 AM TEMP............55 45 39 36 33 31 RH..............24 35 44 50 58 63 20 FT WIND DIR..E E SE SE SE SE 20 FT WIND SPD..5 5 4 3 2 1 20 FT WIND GUST.12 8 7 6 5 3 .WEDNESDAY... SKY / WEATHER.......MOSTLY SUNNY. MAX TEMPERATURE.....59-64. MIN HUMIDITY........20 PERCENT. 20-FOOT WINDS.......LIGHT WINDS BECOMING SOUTHEAST 9 TO 12 MPH. MIXING HEIGHT.......650 FT AGL INCREASING TO 5350 FT AGL IN THE AFTERNOON. TRANSPORT WINDS.....SOUTHEAST 15 TO 20 MPH. SMOKE DISPERSAL.....FAIR (17700) INCREASING TO EXCELLENT (93250) IN THE AFTERNOON. TIME (CDT) 7 AM 9 AM 11 AM 1 PM 3 PM 5 PM TEMP............29 37 47 56 61 62 RH..............69 50 34 24 20 20 20 FT WIND DIR..S S S SE SE SE 20 FT WIND SPD..1 5 9 11 11 9 20 FT WIND GUST.3 12 17 21 21 17 $$ FORECASTER...PETER REQUESTED BY...MARK BENDER TYPE OF REQUEST...PRESCRIBED .TAG 20090414.MUDGO.01/DLH