FNUS73 KDMX 081039
FWSDMX

SPOT FORECAST FOR PLC WEST...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
539 AM CDT FRI APR 8 2011

FORECAST IS BASED ON IGNITION TIME OF 1200 CDT ON APRIL 08.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

PLEASE REMEMBER TO SUBMIT A MID BURN OBSERVATION TO THE NATIONAL WEATHER
SERVICE FOR EACH PRESCRIBED BURN.

.DISCUSSION...
NORTHEAST TO EASTERLY WINDS EXPECTED TODAY. SLIGHT CHANCE
OF LOWER DEWPOINTS TO MOVE IN FROM THE NORTHEAST OR MIX
DOWN...OTHERWISE LOW LEVEL MOISTURE HIGH STILL FROM
THURSDAY RAINFALL SO KEPT DEWPOINTS IN THE 40S.
THUNDERSTORM CHANCES EXPECTED FOR THE WEEKEND WITH WINDY
CONDITIONS SUNDAY INTO MONDAY. GRASSLAND FIRE DANGER INDEX
INCREASES ACROSS THE AREA INTO THE WEEKEND/MONDAY...HOWEVER
EXPECT GREENNESS VALUES TO INCREASE WITH THE RAIN AS WELL.

.TODAY...

SKY/WEATHER.........CLOUDY (85-95 PERCENT).
MAX TEMPERATURE.....AROUND 56.
MIN HUMIDITY........74 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......2800 FT AGL.
MIXING WINDS........EAST 13 TO 18 MPH.
SMOKE DISPERSAL.....FAIR (44200 KNOT-FT).
WIND (20 FT)........EAST WINDS 9 TO 10 MPH.

TIME (CDT)      12P 1PM 2PM 3PM 4PM 5PM 6PM
SKY (%).........92  90  89  87  86  85  82
WEATHER COV.....
WEATHER TYPE....
TEMP............52  53  54  55  56  55  55
RH..............80  80  77  77  74  80  80
20 FT WIND DIR..E   E   E   E   E   E   E
20 FT WIND SPD..10  10  10  9   9   9   10
20 FT WIND GUST.15  15      10  10  10  15
MIX HGT (KFT)...2.6 2.8 2.7 2.7 2.7 1.9 1.1
MIXNG WIND DIR..E   E   E   E   E   E   E
MIXNG WIND SPD..18  18  18  17  17  17  17
HAINES INDEX....3   3   3   4   4   4   4

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). CHANCE OF
                    SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.
MIN TEMPERATURE.....AROUND 47.
MAX HUMIDITY........100 PERCENT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......900 FT AGL.
MIXING WINDS........EAST 13 TO 17 MPH.
SMOKE DISPERSAL.....POOR (14200 KNOT-FT).
WIND (20 FT)........SOUTHEAST WINDS 8 TO 12 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR THUNDERSTORMS AFTER
                    MIDNIGHT.

TIME (CDT)      7 PM   9 PM   11 PM  1 AM   3 AM   5 AM
SKY (%).........80     70     64     57     69     78
WEATHER COV.....                     CHANCE CHANCE CHANCE
WEATHER TYPE....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
TEMP............54     52     51     50     49     48
RH..............86     93     93     96     100    100
20 FT WIND......E 12   E 9    SE 8   SE 10  SE 9   SE 8
20 FT WIND GUST.15     10     10     15     10     10
MIX HGT (FT)....300    700    900    900    900    900
MIXNG WIND......E 17   E 17   E 16   E 15   E 14   E 14
HAINES INDEX....4      4      4      4      3      2

$$
FORECASTER...BEERENDS
REQUESTED BY...JAMES KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20110408.PLCWE.01/DMX