FNUS73 KDTX 181129
FWSDTX

SPOT FORECAST FOR ST JOHNS N W
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
729 AM EDT THU MAR 18 2010

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

DISCUSSION...WARM AND DRY CONDITIONS WILL CONTINUE TODAY.  DEEP
MIXING WILL ONCE AGAIN LOWER DEW POINTS DURING THE AFTERNOON...
RESULTING IN RELATIVE HUMIDITY VALUES IN THE 20S.  THE CLOSE PROXIMITY
OF THE BURN TO THE LAKE MAY MAINTAIN SLIGHTLY HIGHER RH. SOUTHWEST
WINDS WILL REACH AS HIGH AS 15 MPH DURING THE AFTERNOON.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (30-40 PERCENT).
MAX TEMPERATURE.....AROUND 61.
MIN HUMIDITY........23 PERCENT.
WIND (20 FT)........WEST WINDS 8 TO 14 MPH.
TRANSPORT WINDS.....WEST AROUND 14 MPH.
MIXING HEIGHT.......1900 FT AGL THIS MORNING...INCREASING TO
                    4700 FT AGL IN THE AFTERNOON...PEAKING AT AROUND
                    5700 FT AGL BY LATE AFTERNOON...FINALLY DECREASING
                    TO 3600 FT AGL EARLY IN THE EVENING.
VENTILATION RATE....EXCELLENT (MAX...900).

.TONIGHT...

MAX HUMIDITY........85 PERCENT.
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.
TRANSPORT WINDS.....SOUTHWEST AROUND 9 MPH.

$$
FORECASTER...RICHTER
REQUESTED BY...STEVE CROSS
TYPE OF REQUEST...PRESCRIBED
.TAG 20100318.STJOH.01/DTX