FNUS73 KGRR 271347
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR MOONLIGHT RX...USFS
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
947 AM EDT SAT APR 27 2013

FORECAST IS BASED ON IGNITION TIME OF 1230 EDT ON APRIL 27.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...FAIR WEATHER IS EXPECTED TODAY AS A RIDGE OF HIGH
PRESSURE NOSES INTO THE GREAT LAKES REGION FROM THE EAST. SUNNY
SKIES THIS MORNING WILL GIVE WAY TO SOME SCATTERED CUMULUS CLOUDS
THIS AFTERNOON...BUT OVERALL ABUNDANT SUNSHINE IS EXPECTED.
TEMPERATURES WILL WARM INTO THE UPPER 60S THIS AFTERNOON WITH DEW
POINTS TAILING OFF INTO THE UPPER 30S PRODUCING MINIMUM RELATIVE
HUMIDITY VALUES IN THE 30 TO 35 PERCENT RANGE. SOUTH-SOUTHWEST
WINDS OF 5 TO 15 MPH CAN BE EXPECTED THROUGH THE AFTERNOON. DRY
CONDITIONS UNDER PARTLY CLOUDY SKIES ARE EXPECTED TONIGHT. ON
SUNDAY...AN UPPER LOW DRIFTING SOUTH OF LOWER MICHIGAN WILL BRING
RAIN TO THE FAR SOUTHERN PORTIONS OF THE STATE AND INCREASING
CLOUDS OVER CENTRAL LOWER MICHIGAN.


.TODAY...

SKY/WEATHER.........SUNNY (15-25 PERCENT).
TEMPERATURE.........65 AT IGNITION...MAX 68.
RH..................40 PERCENT AT IGNITION...MIN 32 PERCENT.
WIND (20 FT)........WINDS SOUTHWEST AT 8 MPH AT
                    IGNITION...OTHERWISE LIGHT WINDS BECOMING
                    SOUTHWEST 7 TO 15 MPH.
MIXING WINDS........SOUTHWEST 14 TO 20 MPH.
MIXING HEIGHT.......4400 FT AGL AT IGNITION...OTHERWISE 4400-4900
                    FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 5.
SMOKE DISPERSAL.....0-300 (POOR TO GOOD) INCREASING TO 600-900
                    (EXCELLENT TO EXCELLENT).

TIME (EDT)      NOON   2 PM   4 PM   6 PM
SKY (%).........19     27     34     32
WEATHER COV.....
WEATHER TYPE....NONE   NONE   NONE   NONE
TEMP............63     66     68     65
RH..............43     38     34     38
20 FT WIND......SW 13  SW 13  SW 13  SW 12
20 FT GUST......15     16     17     15
HAINES INDEX....4      5      5      5

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (20-30 PERCENT).
TEMPERATURE.........MIN 43.
RH..................MAX 81 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH IN THE EVENING BECOMING
                    LIGHT...THEN BECOMING SOUTHEAST 5 TO 10 MPH
                    AFTER MIDNIGHT.
MIXING WINDS........SOUTH 7 TO 14 MPH.
MIXING HEIGHT.......3300-3800 FT AGL DECREASING TO 1100-1600 FT AGL
                    OVERNIGHT.
SMOKE DISPERSAL.....100-500 (POOR TO GOOD).

.SUNDAY...

SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
TEMPERATURE.........MAX 69.
RH..................MIN 49 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 8 MPH.
MIXING WINDS........SOUTH 6 TO 10 MPH.

$$
FORECASTER...DUKE
REQUESTED BY...JOHN HUSCHKE
TYPE OF REQUEST...PRESCRIBED
.TAG 20130427.MOONL.01/GRR