FNUS72 KGSP 141148
FWSGSP

SPOT FORECAST FOR GRAPEVINE UNIT 1...USFS
NATIONAL WEATHER SERVICE GREENVILLE-SPARTANBURG SC
748 AM EDT THU APR 14 2011

FORECAST IS BASED ON IGNITION TIME OF 1000 EDT ON APRIL 14.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...
HIGH PRESSURE WILL SHIFT EAST ACROSS THE REGION TODAY...BEFORE A
COLD FRONT APPROACHES FROM THE WEST FRIDAY AND REACHES THE CAROLINA
COAST BY SATURDAY NIGHT. HIGH PRESSURE WILL THEN RETURN TO THE AREA
EARLY NEXT WEEK.

.TODAY...

SKY/WEATHER.........SUNNY (10-20 PERCENT).
MAX TEMPERATURE.....57 AT IGNITION...MAX 73.
MIN HUMIDITY........MINIMUM 27 PERCENT.
WIND (20 FT)........BECOMING SOUTHEAST AROUND 10 MPH WITH GUSTS UP TO
                    20 MPH IN AFTERNOON.
MIXING HEIGHT.......1500 FT AGL AT IGNITION...INCREASING TO 5100-5900 FT
                    AGL.
TRANSPORT WINDS.....SOUTH 7 TO 14 MPH.

TIME (EDT)          10 AM  NOON   2 PM   4 PM
SKY (%).............0      12     15     22
WEATHER COV.........
WEATHER TYPE........NONE   NONE   NONE   NONE
TEMP................57     65     70     72
RH..................48     35     30     29
20 FT WIND..........E 7    E 9    E 8    SE 7
20 FT WIND GUST.....15     18     18     15
MIX HGT (FT)........1500   3000   4700   5500
TRANSPORT WIND......SE 13  SE 10  S 8    S 7

.TONIGHT...

SKY/WEATHER.........PARTLY CLOUDY (35-45 PERCENT)...THEN BECOMING
                    MOSTLY CLOUDY (50-60 PERCENT).
MIN TEMPERATURE.....AROUND 52.
MAX HUMIDITY........83 PERCENT.
WIND (20 FT)........SOUTHEAST WINDS AROUND 5 MPH EARLY IN THE
                    EVENING...BECOMING LIGHT...THEN BECOMING EAST
                    AROUND 5 MPH AFTER MIDNIGHT.
MIXING HEIGHT.......4300-6100 FT AGL...DECREASING TO 300-500 FT
                    AGL.
TRANSPORT WINDS.....SOUTHEAST 7 TO 15 MPH...INCREASING TO 17 TO 22
                    MPH AFTER MIDNIGHT.

TIME (EDT)          6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%).............32     45     45     49     56     57
WEATHER COV.........
WEATHER TYPE........NONE   NONE   NONE   NONE   NONE   NONE
TEMP................71     66     61     58     55     53
RH..................34     43     54     62     69     77
20 FT WIND..........SE 5   SE 4   E 4    E 4    E 5    E 4
20 FT WIND GUST.....15     10     10     10     10     10
MIX HGT (FT)........6000   6100   2400   500    300    400
TRANSPORT WIND......S 7    SE 8   SE 13  SE 18  SE 22  SE 20

$$
FORECASTER...LANE
REQUESTED BY...ANDY PASCARELLA
TYPE OF REQUEST...PRESCRIBED
.TAG 20110414.GRAPE.01/GSP