Suppression Forecast
Issued by NWS Des Moines, IA

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000
FNUS73 KDMX 212107
FWSDMX

SPOT FORECAST FOR PLC EAST...USFWS
NATIONAL WEATHER SERVICE DES MOINES IA
407 PM CDT MON APR 21 2014

FORECAST IS BASED ON IGNITION TIME OF 1000 CDT ON APRIL 22.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

AN INITIAL OBSERVATION AT IGNITION AND A MID BURN OBSERVATION ARE REQUIRED...
PLEASE RELAY THEM TO THE NATIONAL WEATHER SERVICE FOR EACH PRESCRIBED BURN.

.DISCUSSION...

WINDS WILL DECREASE OVERNIGHT AND REMAIN LIGHT TO MODERATE FROM THE
NORTH ON TUESDAY AS HIGH PRESSURE APPROACHES.  SKIES WILL GENERALLY
BE CLEAR WITH NO THREAT OF RAIN.  MIXING WILL INCREASE STEADILY
THROUGH THE MORNING INTO MIDDAY.

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT).
TEMPERATURE.........MIN 43.
RH..................MAX 76 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 8 TO 17 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......5700 FT AGL DECREASING TO 1100 FT AGL.
MIXING WINDS........NORTH 17 TO 26 MPH DECREASING TO 9 TO 13 MPH IN
                    THE LATE EVENING AND OVERNIGHT.
SMOKE DISPERSAL.....EXCELLENT (125000 KNOT-FT) DECREASING
                    TO POOR(4000 KNOT-FT) IN THE LATE
                    EVENING AND OVERNIGHT.
WIND (20 FT)........NORTH WINDS 8 TO 17 MPH.

TIME (CDT)      6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).........27     8      0      0      0      0
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE   NONE   NONE
TSTM COV........
TEMP............70     66     60     55     51     47
RH..............41     40     47     57     63     71
20 FT WIND......N 17   N 15   N 12   N 10   N 10   N 9
20 FT WIND GUST.25     20     15     15            10
EYE LEVEL WIND..N 12   N 11   N 9    N 7    N 7    N 6
EYE LVL WND GST.25     20     15     15            10
MIX HGT (FT)....5200   4400   1800   1300   900    500
MIXNG WIND......N 26   N 22   N 13   N 12   N 12   N 10
HAINES INDEX....4      4      3      3      3      4

.TUESDAY...

SKY/WEATHER.........SUNNY (5-15 PERCENT).
TEMPERATURE.........56 AT IGNITION...MAX 67.
RH..................43 PERCENT AT IGNITION...MIN 29 PERCENT.
EYE LEVEL WINDS.....NORTH WINDS 7 TO 10 MPH.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
MIXING HEIGHT.......1700 FT AGL INCREASING TO 6500 FT AGL.
MIXING WINDS........NORTH 8 TO 15 MPH INCREASING TO 10 TO 18 MPH IN
                    THE LATE MORNING AND AFTERNOON.
SMOKE DISPERSAL.....POOR(4000 KNOT-FT) INCREASING TO
                    EXCELLENT (72700 KNOT-FT) IN THE
                    AFTERNOON.
WIND (20 FT)........WINDS NORTH AT 10 MPH AT IGNITION...OTHERWISE
                    NORTH WINDS 7 TO 10 MPH.

TIME (CDT)      6 AM      9 AM      NOON      3 PM
SKY (%).........1         6         13        15
WEATHER COV.....
WEATHER TYPE....NONE      NONE      NONE      NONE
TSTM COV........
TEMP............43        48        59        66
RH..............76        58        40        30
20 FT WIND......N 8G10    N 10G15   N 9G15    N 8G10
EYE LEVEL WIND..N 6G10    N 7G15    N 6G15    N 6G10
MIX HGT (FT)....300       1700      4700      6300
MIXNG WIND......N 8       N 15      N 16      N 14
HAINES INDEX....4         4         3         3

$$
FORECASTER...COGIL
REQUESTED BY...JIM KRIZMAN
TYPE OF REQUEST...PRESCRIBED
.TAG 20140422.PLCEA.01/DMX



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