FNUS73 KDTX 121203
FWSDTX

SPOT FORECAST FOR BAY CITY...MI DNR
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
803 AM EDT THU APR 12 2012

FORECAST IS BASED ON IGNITION TIME OF 1100 EDT ON APRIL 12.

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

.DISCUSSION...

LAKE BREEZE INFLUENCE IS EXPECTED TO PRODUCE INCREASED NORTHEAST
WIND DURING THE MID TO LATE AFTERNOON.

HIGH PRESSURE WILL SETTLE OVER THE REGION TODAY AND HELP ENSURE DRY
CONDITIONS WITH LIGHT WIND THROUGH FRIDAY. THIS HIGH WILL THEN SHIFT
TO THE ATLANTIC COAST BY SATURDAY AS THE NEXT LOW PRESSURE SYSTEM
TAKES SHAPE FROM CENTRAL CANADA INTO THE CENTRAL PLAINS STATES.
INCREASING SOUTH WINDS WILL BRING MILDER AIR AND WET CONDITIONS INTO
THE GREAT LAKES WHICH WILL LAST THROUGH MONDAY.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT).
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........41 PERCENT.
WIND (20 FT)........NORTHWEST WINDS 5 TO 6 MPH...BECOMING NORTHEAST
                    5 TO 10 MPH BY AFTERNOON.
TRANSPORT WINDS.....NORTHWEST 5 TO 7 MPH.
MIXING HEIGHT.......2500 FT AGL...INCREASING TO 6700 FT AGL.
VENTILATION RATE....GOOD (MAX...400).

TIME (EDT)      11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
SKY (%).........8   16  24  33  40  46  53  49  44
WEATHER COV.....
WEATHER TYPE....
TEMP............45  48  50  52  54  54  55  53  52
RH..............57  51  48  44  42  42  41  43  48
20 FT WIND DIR..W   NW  N   N   N   NE  NE  NE  NE
20 FT WIND SPD..4   4   5   5   5   6   6   6   7
20 FT WIND GUST.5   5               10  10  10  10
MIX HGT (KFT)...3.3 4.1 4.9 5.5 6.0 6.4 6.6 6.7 6.7
VRATE (KT-FT)...200 200 300 300 400 400 400 400 300

.TONIGHT...

SKY/WEATHER.........MOSTLY CLEAR (20-30 PERCENT). AREAS OF FROST
                    AFTER MIDNIGHT.
MIN TEMPERATURE.....30-35.
MAX HUMIDITY........89 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS 5 TO 10 MPH.
TRANSPORT WINDS.....NORTH AROUND 7 MPH...BECOMING SOUTHEAST 6 TO 7
                    MPH BY MIDNIGHT.

TIME (EDT)      8 PM   10 PM  MIDNGT 2 AM   4 AM   6 AM
SKY (%).........40     22     12     10     9      7
WEATHER COV.....                     AREAS  AREAS  AREAS
WEATHER TYPE....NONE   NONE   NONE   FROST  FROST  FROST
TEMP............49     43     39     36     34     33
RH..............53     69     79     83     84     89
20 FT WIND DIR..E      E      E      SE     SE     SE
20 FT WIND SPD..7      7      7      6      6      6
20 FT WIND GUST.10     10     10     10     10

$$

FORECASTER...TILLEY
REQUESTED BY...JIM FISHER
TYPE OF REQUEST...PRESCRIBED
.TAG 20120412.BAYCI.01/DTX