FNUS73 KFGF 032023
FWSFGF

SPOT FORECAST FOR SILO WILDFIRE...USFWS
NATIONAL WEATHER SERVICE GRAND FORKS ND
323 PM CDT THU NOV 3 2011

FORECAST IS BASED ON REQUEST TIME OF 1512 CDT ON NOVEMBER 03.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

...FIRE WEATHER WATCH IN EFFECT FRIDAY AFTERNOON DUE TO STRONG
WIND AND LOW HUMIDITY...

.DISCUSSION...

THE GUSTY SOUTH-SOUTHWESTERLY WINDS WILL WEAKEN A LITTLE LATE THIS
AFTERNOON AND EARLY THIS EVENING...BUT THEN INCREASE AGAIN THROUGH
THE REMAINDER OF THE NIGHT.

LOW PRESSURE WILL CONTINUE TO ORGANIZE IN THE WESTERN UNITED
STATES...RESULTING IN VERY WINDY AND DRY WEATHER FRIDAY. THE
SOUTHERLY WINDS ARE FORECASTED TO INCREASE BY FRIDAY AFTERNOON TO
ABOUT 25 MPH WITH GUSTS UP TO 45 MPH. THE RELATIVE HUMIDITY IS
FORECASTED TO REACH AN AFTERNOON MINIMUM AROUND 25 PERCENT.
CONSIDERING THE DRY VEGETATION AND ONGOING WILDFIRE...AS WELL AS
THE WEATHER FORECASTED TO APPROACH CRITICAL CRITERIA TOMORROW...A
FIRE WEATHER WATCH WAS ISSUED FOR FRIDAY AFTERNOON. THE CONDITIONS
SHOULD SLIGHTLY IMPROVE FRIDAY EVENING WHEN THE WINDS WEAKEN A BIT
AND THE HUMIDITY INCREASES. HOWEVER...IT WILL STILL BE DRY AND
WINDY THROUGH FRIDAY NIGHT.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR.
MIN TEMPERATURE.....31-36.
MAX HUMIDITY........45-50 PERCENT.
WIND (20 FT)........SOUTH WINDS 11 TO 16 MPH. GUSTS UP TO 25 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
MIXING HEIGHT.......300 FT AGL.
MIXING WINDS........SOUTH 13 TO 21 MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........8      8      8      8      8      8
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............44     41     38     37     36     35
RH..............39     46     49     50     49     49
20 FT WIND......S 9    S 9    S 11   S 12   S 14   S 14
20 FT WIND GUST.15     15     20     20     25     25

.FRIDAY...

SKY/WEATHER.........SUNNY.
MAX TEMPERATURE.....50-55.
MIN HUMIDITY........21-26 PERCENT.
WIND (20 FT)........WINDY. SOUTH WINDS 22 TO 27 MPH WITH GUSTS TO
                    AROUND 40 MPH.
MIXING HEIGHT.......300 FT AGL INCREASING TO 1100-2900 FT AGL EARLY
                    IN THE AFTERNOON.
MIXING WINDS........SOUTH 18 TO 23 MPH INCREASING TO 30 TO 36 MPH
                    LATE IN THE MORNING...THEN INCREASING TO 39 TO
                    47 MPH IN THE AFTERNOON DECREASING TO AROUND 30
                    MPH LATE IN THE AFTERNOON.

TIME (CDT)      7 AM      10 AM     1 PM      4 PM
SKY (%).........8         6         5         6
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............34        36        47        52
RH..............47        44        31        26
20 FT WIND......S 15G25   S 19G30   S 23G40   S 24G40

$$
FORECASTER...GROCHOCINSKI
REQUESTED BY...LEE NELSON
TYPE OF REQUEST...WILDFIRE
.TAG 20111103.SILOW.01/FGF