FNUS73 KGRR 111819
FWSGRR

FIRE WEATHER PLANNING FORECAST FOR SNOW TRAIL...MI DNR
NATIONAL WEATHER SERVICE GRAND RAPIDS MI
219 PM EDT WED MAY 11 2011

FORECAST IS BASED ON IGNITION TIME OF 1500 EDT ON MAY 11.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
SHOWERS AND THUNDERSTORMS HAVE REMAINED NORTH OF HIGHWAY U.S. 10
TODAY. SHOWERS ARE THUNDERSTORMS ARE POSSIBLE ELSWHERE LATER THIS
AFTERNOON... WITH A BETTER CHANCE TONIGHT.

.REST OF TODAY...

SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF
                    SHOWERS AND THUNDERSTORMS AFTER 4 PM.
TEMPERATURE.........84 AT IGNITION...MAX 84.
RH..................54 PERCENT AT IGNITION...MIN 45 PERCENT.
WIND (20 FT)........WINDS EAST AT 7 MPH AT IGNITION...OTHERWISE
                    SOUTHEAST WINDS 5 TO 10 MPH. GUSTY AND ERRATIC
                    WINDS EXPECTED NEAR ANY THUNDERSTORMS.
MIXING WINDS........SOUTHEAST 12 TO 21 MPH SHIFTING TO THE SOUTH
                    AROUND 23 MPH IN THE EVENING.
MIXING HEIGHT.......5100 FT AGL AT IGNITION...OTHERWISE 5200-5700
                    FT AGL DECREASING TO 2500 FT AGL IN THE
                    EVENING.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH AT IGNITION...MAX 4.
SMOKE DISPERSAL.....500-800 (GOOD TO EXCELLENT) DECREASING TO 200
                    (FAIR) IN THE EVENING.

TIME (EDT)      3 PM   5 PM   7 PM
SKY (%).........65     65     65
WEATHER COV.....       S CHC  S CHC
WEATHER TYPE....       TSTM   TSTM
TEMP............84     82     81
RH..............54     58     64
20 FT WIND......E 6    SE 7   S 7
20 FT GUST......10     10     15
HAINES INDEX....4      3      4

$$
FORECASTER...MEADE
REQUESTED BY...RANDY MCKENZIE
TYPE OF REQUEST...PRESCRIBED
.TAG 20110511.SNOWT.01/GRR