FNUS73 KFGF 061200
FWSFGF

SPOT FORECAST FOR WENGELER...US FISH AND WILDLIFE
NATIONAL WEATHER SERVICE GRAND FORKS ND
700 AM CDT WED MAY 6 2009

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

EXPECT PARTLY SUNNY SKIES WITH ISOLATED RAIN SHOWERS POSSIBLE THIS
MORNING AND SCATTERED SHOWERS WITH ISOLATED THUNDERSTORMS POSSIBLE
THIS AFTERNOON AT THE PRESCRIBED BURN SITE AS A LOW PRESSURE SYSTEM
MOVES ACROSS SOUTHERN CANADA.

SOUTHWEST WINDS FROM 5 TO 15 MPH EARLY THIS MORNING WILL INCREASE
AND SHIFT TO THE WEST LATE THIS MORNING WITH PASSAGE OF A WEAK
SURFACE BOUNDARY. EXPECT THE STRONGEST WINDS FROM 15 TO 20 MPH THIS
AFTERNOON WITH FREQUENT GUSTS TO 30 MPH. WEST WINDS WILL TRANSPORT
DRIER AIR ACROSS THE PRESCRIBED BURN SITE AND WITH MAXIMUM
TEMPERATURES IN THE UPPER 60S...EXPECT MINIMUM RH VALUES TO BE
IN THE LOW 30 PERCENT RANGE. HOWEVER...RH VALUES MAY REMAIN ELEVATED
IF THICK CLOUD COVER OR PERSISTENT RAIN SHOWERS MOVE OVERHEAD.

WINDS WILL SHIFT TO THE NORTHWEST OVERNIGHT AFTER A COLD FRONTAL
PASSAGE. A SLIGHT CHANCE FOR RAIN SHOWERS WILL CONTINUE THROUGH THE
EVENING. TOTAL RAINFALL AMOUNTS WILL BE MINIMAL...LESS THAN ONE TENTH
OF AN INCH.

.TODAY...

SKY/WEATHER.........PARTLY SUNNY. ISOLATED RAIN SHOWERS IN THE
                    MORNING...THEN SCATTERED RAIN SHOWERS AND
                    ISOLATED THUNDERSTORMS IN THE AFTERNOON.
MAX TEMPERATURE.....64-69.
MIN HUMIDITY........31-36 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS FROM 5 TO 15 MPH EARLY THIS
                    MORNING...SHIFTING TO THE WEST FROM 15 TO 20 MPH
                    WITH GUSTS TO AROUND 30 MPH THIS AFTERNOON. GUSTY
                    AND ERRATIC WINDS ARE POSSIBLE NEAR THUNDERSTORMS
                    IN THE AFTERNOON.
MIXING HEIGHT.......300-900 FT AGL INCREASING TO 8200-10000 FT AGL.
MIXING WINDS........WEST 10 TO 18 MPH INCREASING TO 21 TO 30 MPH IN
                    THE LATE MORNING AND AFTERNOON.

TIME (CDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........71  69  67  66  64  62  61  59
WEATHER COV.....ISO ISO SCT SCT SCT SCT SCT SCT
WEATHER TYPE....RW  RW  RW  RW  RW  RW  RW  RW
TEMP............57  59  62  64  65  66  66  66
RH..............53  51  46  43  40  38  37  36
20 FT WIND DIR..W   W   W   W   W   W   W   W
20 FT WIND SPD..14  15  16  17  17  17  17  17
20 FT WIND GUST.25  25  30  30  30  30  30  30

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY BECOMING PARTLY CLOUDY.
                    SLIGHT CHANCE OF RAIN SHOWERS IN THE EVENING.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........88-93 PERCENT.
WIND (20 FT)........WEST WINDS 15 TO 20 MPH WITH GUSTS TO AROUND 30
                    MPH SHIFTING TO THE NORTHWEST 5 TO 10 MPH AFTER
                    MIDNIGHT.
MIXING HEIGHT.......7300 FT AGL DECREASING TO 300-700 FT AGL.
MIXING WINDS........WEST 25 TO 32 MPH BECOMING NORTHWEST 9 TO 15
                    MPH.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........57     53     49     48     52     58
WEATHER COV.....S CHC  S CHC  S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR NONE   NONE   NONE
TEMP............65     59     53     48     45     42
RH..............37     45     59     74     82     93
20 FT WIND......W 16   W 14   W 10   W 7    W 6    NW 7
20 FT WIND GUST.30     20     15     10     10     10

$$
FORECASTER...ROGERS
REQUESTED BY...CHRIS ROED
TYPE OF REQUEST...PRESCRIBED
.TAG 20090506.WENGE.01/FGF