FNUS73 KDTX 231159
FWSDTX

SPOT FORECAST FOR JOHNSON FARM
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
759 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.........PARTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....62-67.
MIN HUMIDITY........31 PERCENT.
WIND (EYE LEVEL)....SOUTHEAST WINDS 7 TO 12 MPH.
WIND (20 FT)........SOUTHEAST WINDS 7 TO 12 MPH WITH GUSTS TO
                    AROUND 25 MPH.
TRANSPORT WINDS.....SOUTHEAST AROUND 10 MPH.
MIXING HEIGHT.......1600 FT AGL...INCREASING TO 3200 FT AGL.
HAINES INDEX........4 OR LOW POTENTIAL FOR LARGE PLUME DOMINATED
                    FIRE GROWTH.
VENTILATION RATE....GOOD (MAX...300).

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (60-70 PERCENT) UNTIL 0200...THEN
                    BECOMING MOSTLY CLOUDY (80-90 PERCENT). RAIN
                    SHOWERS LIKELY BY 0200.
MIN TEMPERATURE.....42-47.
MAX HUMIDITY........73 PERCENT.
WIND (EYE LEVEL)....EAST WINDS 5 TO 10 MPH.
WIND (20 FT)........EAST WINDS 5 TO 10 MPH.
TRANSPORT WINDS.....SOUTHEAST AROUND 13 MPH.
MIXING HEIGHT.......200 FT AGL.
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.JOHNS.01/DTX