FNUS73 KDTX 231142
FWSDTX

SPOT FORECAST FOR TOBICO SOUTH
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
742 AM EDT FRI APR 23 2010

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

DISCUSSION...SURFACE HIGH PRESSURE ACROSS THE EASTERN GREAT LAKES
WILL PROVIDE A DRY FEED OF AIR ACROSS SOUTHEAST MICHIGAN TODAY WITH
RH VALUES IN THE 25 TO 35 PERCENT RANGE. MOISTURE WILL INCREASE OVER
THE WEEKEND AS A LOW PRESSURE SYSTEM AND WARM FRONT LIFT TOWARD THE
REGION. THIS WILL BRING AN INCREASING CHANCE OF RAIN DURING THIS
TIME.


.TODAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....56-61.
MIN HUMIDITY........31 PERCENT.
WIND (EYE LEVEL)....EAST WINDS 5 TO 10 MPH.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH.
MIXING HEIGHT.......2200 FT AGL...INCREASING TO 3800 FT AGL BY
                    AFTERNOON.
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). A SLIGHT CHANCE
                    OF RAIN SHOWERS BY 0200.
MIN TEMPERATURE.....39-44.
MAX HUMIDITY........72 PERCENT.
WIND (EYE LEVEL)....EAST WINDS 5 TO 9 MPH.
WIND (20 FT)........EAST WINDS 5 TO 9 MPH.
TRANSPORT WINDS.....EAST AROUND 8 MPH.
MIXING HEIGHT.......1600 FT AGL...DECREASING TO 600 FT AGL AFTER
                    MIDNIGHT.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
VENTILATION RATE....POOR (MIN...0).

$$
FORECASTER...KURIMSKI
REQUESTED BY...RANDY MCKENZIE
TYPE OF REQUEST...PRESCRIBED
.TAG 20100423.TOBIC.01/DTX