Suppression Forecast
Issued by NWS Detroit/Pontiac, MI

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000
FNUS73 KDTX 241332
FWSDTX

SPOT FORECAST FOR NAP AT WHITE OAK...ANN ARBOR PARKS
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
932 AM EDT FRI APR 24 2015

FORECAST IS BASED ON IGNITION TIME OF 0940 EDT ON APRIL 24.

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

.DISCUSSION...WARMER TEMPERATURES TODAY WILL LEAD TO VERY
LOW RH VALUES /20-30 PCT/. LOW PRESSURE IS FORECAST TO TRACK ACROSS
THE OHIO VALLEY ON SATURDAY WHILE HIGH PRESSURE HOLDS NEARLY
STATIONARY TO THE NORTH OF THE STATE. THIS WILL LEAD TO NORTHEAST
WINDS. THESE WINDS WILL SUSTAIN COOL BUT VERY DRY CONDITIONS ACROSS
THE AREA THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....52-57.
MIN HUMIDITY........26 PERCENT.
EYE LEVEL WINDS.....LIGHT NORTHEAST TO NORTHWEST WINDS.
WIND (20 FT)........NORTHWEST WINDS 5 TO 10 MPH...BECOMING NORTH 5
                    TO 7 MPH EARLY THIS EVENING.
TRANSPORT WINDS.....NORTHWEST 9 TO 16 MPH.
MIXING HEIGHT.......1800 FT AGL...INCREASING TO 5900 FT AGL.
VENTILATION RATE....EXCELLENT (MAX...800).

TIME (EDT)      9AM 10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM
SKY (%).........12  13  13  13  14  14  18  21  25  28  32
WEATHER COV.....
WEATHER TYPE....
TEMP............35  38  43  47  50  52  54  55  55  54  52
RH..............55  48  37  32  30  28  26  25  26  29  34
20 FT WIND DIR..NW  NW  NW  NW  NW  NW  NW  NW  NW  NW  N
20 FT WIND SPD..6   6   6   6   7   7   7   7   6   6   6
20 FT WIND GUST.10  10  10  10  10  10  10  10  10  10  10
EYE LVL WND DIR.NE  NE  N   NW  NW  NW  NW  NW  NW  NW  N
EYE LVL WND SPD.5   5   5   5   5   5   5   5   5   4   4
EYE LVL WND GST.10  10  10  10  10  10  10  10  10  10  10
MIX HGT (KFT)...1.8 3.2 4.4 5.2 5.6 5.8 5.9 5.8 5.5 5.1 4.6
VRATE (KT-FT)...200 400 500 600 800 800 800 700 600 500 400

$$
FORECASTER...FREITAG
REQUESTED BY...MIKE HAHN
TYPE OF REQUEST...PRESCRIBED
.TAG 20150424.NAPAT.01/DTX


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