FNUS71 KAKQ 222018
FWSAKQ

SPOT FORECAST FOR HOERNICKE...MD DNR FOREST SERVICE
NATIONAL WEATHER SERVICE WAKEFIELD VA
418 PM EDT THU APR 22 2010

FORECAST IS BASED ON IGNITION TIME OF 1030 EDT ON APRIL 23.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
A COLD FRONT CROSSES THE AREA TONIGHT...THEN STALL ACROSS THE CAROLINAS
FRIDAY. WEAK HIGH PRESURE BUILDS INTO THE REGION FRIDAY. THE OLD FRONTAL
BOUNDARY RETURNS NORTH AS A WARM FRONT OVER THE WEEKEND.

.FRIDAY...

SKY/WEATHER.........MOSTLY SUNNY (35-45 PERCENT).
MAX TEMPERATURE.....AROUND 68.
MIN HUMIDITY........35 PERCENT.
WIND (20FT/2MIN)....NORTHWEST WINDS 5 TO 8 MPH.
MIXING HEIGHT.......300-2000 FT AGL...INCREASING TO 5000-5500 FT AGL.                   AGL.
TRANSPORT WINDS.....NORTHWEST 10 TO 17 MPH...INCREASING TO 20 TO 21
                    MPH IN THE AFTERNOON.
VENTILATION RATE....VERY POOR TO POOR (2300-36100
                    FT-MPH)...INCREASING TO FAIR TO GOOD
                    (54400-98500 FT-MPH) IN THE AFTERNOON.

TIME (EDT)      10A 11A 12P 1PM 2PM 3PM 4PM 5PM 6PM 7PM 8PM 9PM
SKY (%).........39  39  40  40  42  43  44  45  46  47  47  48
WEATHER COV.....
WEATHER TYPE....
TEMP............63  65  66  67  68  68  68  68  66  63  59  56
RH..............55  48  43  40  37  39  40  43  50  60  64  74
20 FT WIND DIR..N   N   NW  NW  NW  NW  NW  NW  W   W   W   SW
20 FT WIND SPD..7   7   6   7   7   6   6   5   3   3   1   2
20 FT WIND GUST.10  10  15  15  15  15  15  10  5   5       5
MIX HGT (KFT)...2.8 3.7 4.6 5.5 5.5 5.3 5.2 5.0 3.4 1.8 0.3 0.3
TRANSP WIND DIR.NW  NW  NW  NW  NW  NW  NW  NW  N   N   NE  NE
TRANSP WIND SPD.15  17  20  21  21  21  21  20  16  10  7   6

.FRIDAY NIGHT...

SKY/WEATHER.........PARTLY CLOUDY (40-50 PERCENT)...THEN BECOMING
                    MOSTLY CLOUDY (50-60 PERCENT).
MIN TEMPERATURE.....AROUND 42.
MAX HUMIDITY........93 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS.
MIXING HEIGHT.......1800-3400 FT AGL...DECREASING TO 300 FT AGL
                    EARLY IN THE EVENING.
TRANSPORT WINDS.....NORTH 7 TO 16 MPH...BECOMING SOUTHEAST 1 TO 6
                    MPH IN THE LATE EVENING AND OVERNIGHT.
VENTILATION RATE....VERY POOR TO FAIR (300-46500 FT-MPH).

.SATURDAY...

SKY/WEATHER.........MOSTLY CLOUDY (75-85 PERCENT). A CHANCE OF RAIN
                    EARLY IN THE MORNING. RAIN LIKELY EARLY IN THE
                    AFTERNOON.
MAX TEMPERATURE.....AROUND 65.
MIN HUMIDITY........41 PERCENT.
WIND (20FT/2MIN)....LIGHT WINDS...BECOMING SOUTHEAST 5 TO 8 MPH IN
                    THE LATE MORNING AND AFTERNOON.
MIXING HEIGHT.......300-2000 FT AGL...INCREASING TO 2800-3300 FT
                    AGL LATE IN THE MORNING.
TRANSPORT WINDS.....SOUTH 2 TO 10 MPH...INCREASING TO 12 TO 14 MPH
                    LATE.
VENTILATION RATE....VERY POOR TO POOR (600-38400 FT-MPH).



FORECASTER...RUSNAK
REQUESTED BY...CHRIS ROBERTSON
TYPE OF REQUEST...PRESCRIBED
.TAG 20100423.HOERN.02/AKQ