FNUS73 KMQT 171130
FWSMQT

SPOT FORECAST FOR RIFLE RANGE SNOW ON RX...USDA FOREST SERVICE
NATIONAL WEATHER SERVICE MARQUETTE MI
730 AM EDT FRI APR 17 2009

FORECAST IS BASED ON IGNITION TIME OF 0900 EDT ON APRIL 17.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...HIGH PRESSURE OVER LOWER MICHIGAN WILL MOVE SOUTH
TODAY. ALTHOUGH THE HIGH IS MOVING AWAY...DRY AIR ASSOCIATED WITH
IT IS EXPECTED TO REMAIN IN PLACE OVER UPPER MICHIGAN. SUNSHINE
COMBINED WITH THE DRY AIR SHOULD ALLOW TEMPERATURES TO REACH
AROUND 66 TODAY WITH AFTERNOON HUMIDITY VALUES FALLING TO AROUND
18 PERCENT. WINDS ARE EXPECTED TO MAINLY BE OUT OF THE SOUTHWEST
AT 5 TO 10 MPH. TONIGHT...A COLD FRONT OVER NORTHERN ONTARIO WILL
BE MOVING SLOWLY TO THE SOUTH...NOW EXPECTED TO CROSS THE RIFLE
RANGE SNOW ON RX AROUND 10 AM SATURDAY. ALONG AND AFTER THE
FRONTAL PASSAGE THERE WILL BE A CHANCE OF LIGHT RAIN (UP TO 0.10
OF AN INCH POSSIBLE). WITH THE PASSAGE OF THE FRONT...EXPECT WINDS
TO TURN FROM A LIGHT WEST TO NORTHEAST AT 6 TO 11 MPH. THE MAIN
IMPACT FROM THE FRONT IS TO BRING MUCH COOLER AIR IN...WITH HIGHS
ONLY AROUND 50 ON SATURDAY. COOLER AND DRIER AIR IS EXPECTED FOR
SUNDAY AS HIGH PRESSURE BUILDS INTO NORTHEAST ONTARIO.

GENERAL WINDS ARE DEFINED AS THE 10 METER OR 33 FOOT WIND.

.TODAY...

SKY/WEATHER.........SUNNY THEN BECOMING PARTLY CLOUDY.
MAX TEMPERATURE.....46 AT IGNITION...MAX 66.
MIN HUMIDITY........35 PERCENT AT IGNITION...MIN 18 PERCENT.
GENERAL WINDS.......WINDS SOUTHWEST AT 9 MPH AT
                    IGNITION...OTHERWISE SOUTHWEST WINDS 5 TO 10 MPH.
HAINES INDEX........5...OR MODERATE POTENTIAL FOR LARGE
                    PLUME DOMINATED FIRE GROWTH.
TRANSPORT WINDS.....WEST 24 TO 44 MPH BECOMING NORTHWEST 16 TO 31
                    MPH BY LATE MORNING.
VENTILATION INDEX...POOR (69) AT IGNITION. MAX...GOOD (566)
                    INCREASING TO EXCELLENT (939) IN THE
                    AFTERNOON.
RAINFALL AMOUNT.....0.00 INCHES.

TIME (EDT)      9 AM   11 AM  1 PM   3 PM   5 PM   7 PM
SKY (%).........5      17     29     35     42     49
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TEMP............46     56     62     65     65     61
RH..............35     24     20     18     19     23
GENERAL WIND....SW 7   W 7    W 7    W 7    W 6    W 6
GENERAL GUST....15     15     15     15     15     15
VINDX KT-FT/100.69     164    566    884    894    434
HAINES INDEX....5      5      5      5      4      4

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF RAIN SHOWERS.
MAX TEMPERATURE.....MAX 50.
MIN HUMIDITY........MIN 60 PERCENT.
GENERAL WINDS.......WEST WINDS 5 MPH OR LESS SHIFTING TO THE
                    NORTHWEST 6 TO 11 MPH LATE IN THE
                    MORNING...THEN SHIFTING TO THE NORTHEAST IN THE
                    AFTERNOON.
HAINES INDEX........2...OR VERY LOW POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
TRANSPORT WINDS.....NORTHWEST 6 TO 12 MPH SHIFTING TO THE EAST 7 TO
                    16 MPH BY LATE MORNING...THEN INCREASING TO 12
                    TO 22 MPH EARLY IN THE EVENING.
VENTILATION INDEX...GOOD (378).
RAINFALL AMOUNT.....0.07 INCHES.

TIME (EDT)      8 AM   10 AM  NOON   2 PM   4 PM   6 PM
SKY (%).........93     91     89     88     83     77
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE CHANCE
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............40     43     45     46     45     43
RH..............72     67     65     65     64     67
GENERAL WIND....W 4    W 4    NW 6   NE 7   NE 7   NE 9
GENERAL GUST....5      5      10     15     15     15
VINDX KT-FT/100.20     27     96     294    378    351
HAINES INDEX....2      2      2      2      2      2

$$
FORECASTER...AJ
REQUESTED BY...STEVE SJOGREN
TYPE OF REQUEST...PRESCRIBED
.TAG 20090417.RIFLE.02/MQT