Suppression Forecast
Issued by NWS Sterling, VA

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000
FNUS71 KLWX 061853
FWSLWX

SPOT FORECAST FOR WHIPPOORWILL - GRINDSTONE MTN...USDI - NPS
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
253 PM EDT WED MAY 6 2015

FORECAST IS BASED ON REQUEST TIME OF 1446 EDT ON MAY 06.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.

.DISCUSSION...

A WEAK COLD FRONT ACROSS PENNSYLVANIA WILL DRIFT SOUTHWARD ACROSS
THE AREA TODAY BEFORE DISSIPATING TONIGHT. HIGH PRESSURE WILL BUILD
OVER THE NORTHERN MID-ATLANTIC THURSDAY. LOW PRESSURE OFF THE
CAROLINA COAST FRIDAY WILL GRADUALLY ERODE THIS WEEKEND...SENDING
ITS MOISTURE NORTHEASTWARD. A COLD FRONT WILL ARRIVE EARLY NEXT WEEK.

.TODAY...

SKY/WEATHER.........MOSTLY SUNNY (40-50 PERCENT). SCATTERED SHOWERS AND
                    THUNDERSTORMS LATE.
MAX TEMPERATURE.....AROUND 79.
MIN HUMIDITY........47 PERCENT.
WIND (20 FT)........SOUTH 7 TO 9 MPH.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR
                    THUNDERSTORMS.
CWR.................10 PERCENT...INCREASING TO 50 PERCENT.
MIXING HEIGHT.......4400 FT AGL...INCREASING TO 6800-8300 FT AG...DECREASING
                    TO 5500 FT AGL.
TRANSPORT WINDS.....SOUTH 4 TO 7 MPH.
SMOKE DISPERSAL.....GOOD (32800 KNOT-FT).

TIME (EDT)       2 PM   4 PM
SKY (%)..........47     53
WEATHER COV......       SCTTRD
WEATHER TYPE.....NONE   RNSHWR
TEMP.............79     78
RH...............47     48
20 FT WIND.......S 7    E 5
20 FT WIND GUST..
CWR..............10     50
VRATE KT-FT/1000.8      31

.TONIGHT...

SKY/WEATHER.........MOSTLY CLOUDY (60-70 PERCENT). SCATTERED
                    THUNDERSTORMS EARLY IN THE EVENING. SCATTERED
                    SHOWERS IN THE EVENING. ISOLATED THUNDERSTORMS
                    LATE IN THE EVENING. PATCHY FOG LATE.
MIN TEMPERATURE.....AROUND 57.
MAX HUMIDITY........96 PERCENT.
WIND (20 FT)........SOUTH WINDS 5 TO 7 MPH..BECOMING LIGHT AND VARIABLE.
                    GUSTY AND ERRATIC WINDS EXPECTED NEAR THUNDERSTORMS.
CWR.................50 PERCENT...DECREASING TO 10 PERCENT.
MIXING HEIGHT.......1800-3700 FT AGL...DECREASING TO 200-800 FT AGL
                    EARLY IN THE EVENING.
TRANSPORT WINDS.....SOUTHEAST AROUND 7 MPH...BECOMING NORTH.
SMOKE DISPERSAL.....POOR TO FAIR (1100-22900 KNOT-FT).

TIME (EDT)       6 PM   8 PM   10 PM  MIDNGT 2 AM   4 AM
SKY (%)..........59     65     71     72     70     69
WEATHER COV......SCTTRD SCTTRD SCTTRD               PATCHY
WEATHER TYPE.....RNSHWR RNSHWR RNSHWR NONE   NONE   FOG
TEMP.............76     71     66     63     61     59
RH...............52     61     70     78     84     87
20 FT WIND.......S 6    SE 3   N 5    N 2    E 2    NE 2
20 FT WIND GUST..7      4      7
CWR..............50     50     30     10     10     10
VRATE KT-FT/1000.23     3      2      4      2      2

.THURSDAY...

SMOKE DISPERSAL.....POOR TO FAIR (3800-19900 KNOT-FT).
SKY/WEATHER.........MOSTLY SUNNY (45-55 PERCENT).
MAX TEMPERATURE.....AROUND 77.
MIN HUMIDITY........48 PERCENT.
WIND (20 FT)........LIGHT AND VARIABLE WINDS...BECOMING SOUTHEAST
                    AROUND 5 MPH LATE. GUSTY AND ERRATIC WINDS
                    EXPECTED NEAR THUNDERSTORMS IN THE AFTERNOON.

TIME (EDT)       6 AM   8 AM   10 AM  NOON   2 PM   4 PM
SKY (%)..........57     56     52     45     41     40
WEATHER COV......                     S CHC  S CHC  S CHC
WEATHER TYPE.....NONE   NONE   NONE   RNSHWR RNSHWR RNSHWR
TEMP.............57     61     70     77     75     75
RH...............96     87     63     48     50     50
20 FT WIND.......N 2    NE 2   E 2    E 2    SE 3   SE 4
20 FT WIND GUST..              4      4      4
VRATE KT-FT/1000.4      6      6      7      7      16

$$
FORECASTER...WOODCOCK
REQUESTED BY...MATT WAY JANE HULSE
TYPE OF REQUEST...WILDFIRE
.TAG 20150506.WHIPP.03/LWX



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