Suppression Forecast
Issued by NWS Wakefield, VA

Home | Current Version | Previous Version | Text Only | Print | Product List | Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
309
FNUS71 KAKQ 231459
FWSAKQ

Spot Forecast for Big Woods WMA - Unit 11...The Nature Conservancy
National Weather Service Wakefield VA
1059 AM EDT Thu Mar 23 2017

Forecast is based on ignition time of 1200 EDT on March 23.
If conditions become unrepresentative...contact the National Weather
Service.

.DISCUSSION...
High pressure results in dry and cool conditions with light NE-E winds
today. High pressure slides offshore tonight...resulting in a warming
trend through the weekend. Continued dry with breezy SW winds Friday
and Saturday.

.TODAY...

Sky/weather.........Sunny (0-5 percent).
Max temperature.....43 to 45 at ignition. High 50 to 52.
Min humidity........30 to 34 percent at ignition. Minimum 21 to 24
                    percent.
Wind (20 ft)........Light winds...becoming east around 5 mph late
                    in the morning.
Chance of pcpn......0 percent.
Mixing height.......2600-2700 ft AGL at ignition...increasing to
                    3300 ft AGL by mid to late afternoon.
Transport winds.....Northeast 5 to 14 mph...becoming east 2 to 3
                    mph late.
Haines Index........4 or low potential for large plume dominated
                    fire growth.

TIME (EDT)          12P 1PM 2PM 3PM 4PM 5PM
Sky (%).............0   0   0   0   0   0
Weather cov.........
Weather type........
Tstm cov............
Temp................44  46  48  49  50  50
RH..................27  25  22  21  20  20
20 FT wind dir......NE  NE  NE  NE  E   E
20 FT wind spd......5   5   5   4   4   4
20 FT wind gust.....15  10  10  10  10  10
Mix hgt (kft).......2.9 3.1 3.3 3.3 3.3 3.3
Transp wind dir.....NE  NE  NE  NE  E   E
Transp wind spd.....7   6   5   3   2   2
LVORI...............2   2   2   2   2   2
ADI.................23  19  16  11  8   8
Chc of pcpn (%).....0   0   0   0   0   0
Haines index........4   4   4   4   4   4
VRate kt-ft/1000....18  16  13  10  7   7

.TONIGHT...

Sky/weather.........Mostly clear (5-15 percent).
Min temperature.....28 to 30.
Max humidity........75 to 79 percent.
Wind (20 ft)........Southeast winds around 5 mph in the
                    evening...becoming light.
Chance of pcpn......0 percent.
Mixing height.......400-2300 ft AGL...decreasing to 300 ft AGL in
                    the late evening and overnight.
Transport winds.....South 3 to 9 mph.
Haines Index........3 to 4 or very low to low potential for large
                    plume dominated fire growth.

TIME (EDT)          6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM 5AM
Sky (%).............2   5   7   7   6   6   7   9   10  13  15  17
Weather cov.........
Weather type........
Tstm cov............
Temp................47  44  41  39  36  34  34  33  33  32  32  32
RH..................25  30  37  42  50  56  56  61  61  66  69  72
20 FT wind dir......E   E   E   E   SE  SE  SE  SE  SE  SE  S   S
20 FT wind spd......4   4   4   4   4   4   4   3   3   3   3   3
20 FT wind gust.....10  10  10  10  10  10  10  5   5   5   5   5
Mix hgt (kft).......2.3 1.3 0.4 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.3
Transp wind dir.....E   SE  SE  SE  SE  SE  SE  SE  S   S   S   S
Transp wind spd.....3   6   7   8   8   8   8   9   8   7   6   5
LVORI...............2   2   2   2   2   3   3   3   3   3   3   3
ADI.................9   2   3   3   4   4   4   4   4   3   3   2
Chc of pcpn (%).....0   0   0   0   0   0   0   0   0   0   0   0
Haines index........4   4   4   4   4   4   4   4   4   4   3   3
VRate kt-ft/1000....7   6   2   2   2   2   2   2   2   2   1   1

.FRIDAY...

Sky/weather.........Mostly sunny (25-35 percent).
Max temperature.....64 to 67.
Min humidity........34 to 37 percent.
Wind (20 ft)........Light winds...becoming southwest 6 to 14 mph
                    with gusts up to 25 mph in the late morning and
                    afternoon.
Chance of pcpn......0 percent.
Mixing height.......300-2100 ft AGL...increasing to 2600-3800 ft AGL
                    in the afternoon.
Transport winds.....South 5 to 13 mph...increasing to southwest 15
                    to 23 mph late in the morning.
Haines Index........3 or very low potential for large plume
                    dominated fire growth.

TIME (EDT)          6 AM   8 AM   10 AM  NOON   2 PM   4 PM
Sky (%).............19     23     29     34     40     41
Weather cov.........
Weather type........NONE   NONE   NONE   NONE   NONE   NONE
Tstm cov............
Temp................32     32     44     56     62     65
RH..................75     81     57     40     36     37
20 ft wind..........S 3    S 3    S 6    SW 8   SW 10  SW 10
20 ft wind gust.....5      5      15     20     25     25
Mix hgt (ft)........300    300    1200   2100   3000   3500
Transport wind......S 5    S 8    S 13   SW 17  SW 21  SW 23
LVORI...............3      4      2      1      1      1
ADI.................2      6      18     34     50     59
Chc of pcpn (%).....0      0      0      0      0      0
Haines index........3      3      3      3      3      3
VRate kt-ft/1000....1      2      13     31     55     69

$$
Forecaster...DeROSA
Requested by...Bobby Clontz
Type of request...PRESCRIBED
.TAG 1705055.0/AKQ
.EMAIL bclontz@tnc.org



USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.