FNUS73 KDTX 181200
FWSDTX

SPOT FORECAST FOR ST JOHNS WEST
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
800 AM EDT WED AUG 18 2010

IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

DISCUSSION...AN UPPER LEVEL DISTURBANCE WILL TRIGGER SOME LIGHT RAIN
ACROSS FAR SOUTHERN MICHIGAN TODAY. A COLD FRONT WILL THEN DROP INTO
THE REGION FROM THE NORTH ON THURSDAY...BRINGING A GOOD CHANCE OF
SHOWERS AND THUNDERSTORMS. HIGH PRESSURE WILL THEN SETTLE INTO THE
REGION FROM THE NORTH ON FRIDAY. LOW PRESSURE WILL HOWEVER QUICKLY
ADVANCE INTO THE REGION FROM WEST BY SATURDAY...BRINGING HIGHER
HUMIDITY AND ANOTHER CHANCE OF PRECIPITATION.


.TODAY...

SKY/WEATHER.........MOSTLY CLOUDY (70-80 PERCENT). SCATTERED
                    SPRINKLES OR LIGHT SHOWERS THROUGH NOON.
MAX TEMPERATURE.....76-81.
MIN HUMIDITY........42 PERCENT...BETWEEN 3 PM AND 5 PM.
WIND (20 FT)........VARIABLE WINDS 3 TO 5 MPH THIS MORNING...
                    BECOMING SOUTH 5 TO 7 MPH BY AFTERNOON.
TRANSPORT WINDS.....WEST AROUND 6 MPH.
MIXING HEIGHT.......3100 FT AGL...INCREASING TO 5700 FT AGL.
HAINES INDEX........5 OR MODERATE POTENTIAL FOR LARGE PLUME
                    DOMINATED FIRE GROWTH.
VENTILATION RATE....GOOD (MAX...300).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT).
MIN TEMPERATURE.....65-70.
MAX HUMIDITY........74 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 9 MPH...BECOMING NORTHWEST
                    5 TO 8 MPH AFTER MIDNIGHT.
TRANSPORT WINDS.....SOUTHWEST AROUND 7 MPH.
VENTILATION RATE....POOR (MIN...0).

$$
FORECASTER...CONSIDINE
REQUESTED BY...RANDY MCKENZIE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100818.STJOH.01/DTX