FNUS73 KGRB 041633
FWSGRB

SPOT FORECAST FOR POWELL MARSH...BIA
NATIONAL WEATHER SERVICE GREEN BAY WI
1133 AM CDT TUE MAY 4 2010

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON MAY 04.
IF CONDITIONS BECOME UNREPRESENTATIVE CONTACT THE NATIONAL WEATHER
SERVICE IN GREEN BAY.

.DISCUSSION...A WEAK HIGH PRESSURE SYSTEM PASSING QUICKLY OVER THE
STATE WILL BRING A PERIOD OF MOSTLY SUNNY SKIES TO THE REGION.
LATER THIS AFTERNOON...A WARM FRONT LIFTING NORTH OVER THE STATE MAY
PRODUCE AN ISOLATED SHOWER OR STORM OVER NORTHERN WISCONSIN. MORE
SHOWERS AND STORMS ARE POSSIBLE TONIGHT AS A COLD FRONT SWEEPS OVER
THE STATE. BLUSTERY SOUTHWEST TO WEST WINDS ARE ON TAP WEDNESDAY
AS A LOW PRESSURE SYSTEM SLOWLY TRACKS OVER THE NORTHERN GREAT LAKES
REGION.

630 AM OBSERVED HAINES INDEX AT GREEN BAY...3 OR VERY LOW.

.REST OF TODAY...

SKY/WEATHER.........PARTLY CLOUDY. A SLIGHT CHANCE OF SHOWERS AND
                    THUNDERSTORMS LATE. CHANCE OF RAIN 20 PERCENT.
                    TEMPERATURE.........63 AT IGNITION...MAX 70.
RELATIVE HUMIDITY...34 PERCENT AT IGNITION...MIN 28 PERCENT.
WIND (20 FT)........WINDS SOUTH AT 9 MPH AT IGNITION...OTHERWISE
                    SOUTH WINDS 7 TO 12 MPH BECOMING SOUTHEAST AFTER
                    3 PM. GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS LATE.
MIXING HEIGHT.......6400 FT AGL AT IGNITION...THEN 6700 FT AGL.
TRANSPORT WINDS.....SOUTHWEST AT AROUND 10 MPH AT IGNITION...THEN
                    SOUTH 10 TO 15 MPH.
SMOKE DISPERSAL.....57700 /GOOD/ AT IGNITION...THEN 83000
                    /EXCELLENT/.

TIME (CDT)      NOON   2 PM   4 PM   6 PM
SKY (%).........PCLDY  PCLDY  MCLDY  MCLDY
WEATHER COV.....              CHANCE CHANCE
WEATHER TYPE....NONE   NONE   TSTORM TSTORM
TEMP............63     69     69     67
RH..............37     29     29     34
20 FT WIND......S 8    S 10   S 10   S 8
20 FT WIND GUST.10     15     15     15

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY. A CHANCE OF THUNDERSTORMS IN THE
                    EVENING. A CHANCE OF RAIN SHOWERS THROUGH THE
                    NIGHT. CHANCE OF RAIN 50 PERCENT.
MIN TEMPERATURE.....43.
RELATIVE HUMIDITY...MAX 85 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 7 TO 12 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS IN THE
                    EVENING.
MIXING HEIGHT.......5000 FT AGL DECREASING TO 400 FT AGL EARLY IN
                    THE EVENING.
TRANSPORT WINDS.....SOUTH 18 TO 23 MPH SHIFTING TO THE WEST 26 TO
                    31 MPH LATE IN THE EVENING...THEN BECOMING
                    SOUTHWEST 13 TO 18 MPH AFTER MIDNIGHT.
SMOKE DISPERSAL.....4900 /POOR/.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........MCLDY  MCLDY  MCLDY  MCLDY  MCLDY  MCLDY
WEATHER COV.....CHANCE CHANCE CHANCE CHANCE CHANCE S CHC
WEATHER TYPE....RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR RNSHWR
TEMP............64     56     51     48     45     43
RH..............39     54     67     78     84     85
20 FT WIND......SE 8   S 6    SW 7   SW 8   SW 7   SW 7
20 FT WIND GUST.15     15     15     10     10     10

$$
FORECASTER...KALLAS
REQUESTED BY...DAVE PERGOLSKI
TYPE OF REQUEST...PRESCRIBED
.TAG 20100504.POWEL.01/GRB