National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
520 PM EST WED JAN 18 2017

VAZ081-190900-
JAMES RIVER NWR RAWS-PRINCE GEORGE VA
37.25N  77.25W ELEV. 50 FT
520 PM EST WED JAN 18 2017

DATE           01/18/17      THU 01/19/17            FRI 01/20/17            SAT
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3HRLY     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07

MIN/MAX                      39          60          39          56          44
TEMP             54 46 43 41 40 52 59 59 47 42 41 41 41 47 52 53 51 46 45 45 45
DEWPT            40 38 37 36 36 39 39 39 39 39 39 39 39 43 46 47 46 46 45 45 44
MAX/MIN RH                   86          47          92          78         100
RH               59 73 79 82 85 61 47 47 74 89 92 92 92 87 80 81 83100100100 96
WIND DIR          N  N  N  N NW  N  W  W  S  S  S  S  S  S  S  S  S  S SW SW SW
WIND DIR DEG     01 01 00 00 32 34 28 25 20 19 18 17 16 16 17 17 17 20 23 24 22
WIND SPD          3  2  3  2  1  3  3  3  2  1  1  1  2  4  4  3  2  3  2  1  1
CLOUDS           FW CL FW FW FW FW SC SC SC SC B1 B2 OV OV OV OV B2 B1 B2 B1 B2
CLOUDS(%)        11  5 11 21 22 21 31 26 27 32 51 71 89 96 97 93 77 69 74 65 78
VSBY              7  7  7  7  7  7  7  7  7  7  7  7  6  6  6  7  7  7  7  7  7
POP 12HR                      0           0          10          70          10
QPF 12HR                      0           0           0        0.15           0
SNOW 12HR                 00-00       00-00       00-00                        
RAIN                                                  L  L  L  C               
LAL                     1     1     1     1     1     1     1     1     1     1
HAINES                  3     2     4     4     4     4     2     3     5     5
MIX HGT              1300   300  2600  2500   300   300  1700  1800   300   300
T WIND DIR              N     N     N     W     S     S     S     S     W    SE
T WIND SPD             12     6     8     3     3     3     9     5     6     2
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                     6     5    22    14     2     5    20    17     4     2
MAX LVORI               4     6     4     4     7     7     6     5     9    10
STABILITY               B     F     F     B     B     F     D     B     B     F
CEILING             30000 30000 26600  3200 26600 17100  8000  2400  1700 23500
PRESSURE             30.0 30.02 30.04 29.97 29.96 29.92 29.92 29.84 29.84 29.82


DATE           01/21 SUN 01/22/17 MON 01/23/17 TUE 01/24/17 WED 01/25/17
UTC 6HRLY     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6HRLY     13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MAX/MIN          60    49    59    52    62    46    59    41    62
TEMP          57 54 51 50 58 56 53 53 61 54 49 47 57 50 45 43 59 56
DEWPT         52 50 48 48 52 52 53 53 53 49 46 45 45 43 41 41 44 45
MIN/MAX RH       81    94    78   100    69    94    57    95    52
RH            84 87 89 94 80 88100100 76 83 89 92 64 76 85 92 56 67
WIND DIR       S SE SE  E  E  E  E  E SE  S SW  W  W  W  W SW SW SW
WIND SPD       3  3  3  3  5  6  6 10  9  5  3  4  8  4  3  3  6  5
AVG CLOUDS    B2 B2 B2 OV OV OV OV OV OV OV B2 B1 B1 B1 SC FW FW FW
POP 12HR         20    50    70    70    70    10    10     5     5
RAIN              S                                                
RAIN SHWRS           C  C  L  L  L  L  L  L                        
TSTMS                         S  C  C     S                        

$$
EXPERIMENTAL ONLY...THIS PRODUCT IS FOR PLANNING AND REVIEW PURPOSES ONLY AND
IS NOT TO BE SUBSTITUTED FOR AN OFFICIAL FIRE WEATHER SPOT
FORECAST.
BELOW IS A WEATHER ELEMENT KEY FOR THIS PRODUCT.
(NOTE...WINDS DO NOT REFLECT LOCAL TERRAIN EFFECTS.)

DAY 1 THROUGH 3...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
MIN/MAX RH OR MAX/MIN RH(%).........MAXIMUM/MINIMUM HUMIDITY
RH(%)...............................RELATIVE HUMIDITY
WIND DIR(8 POINT COMPASS)...........20 FT. WIND DIRECTION
WIND DIR DEG(DEGREES)...............20 FT. WIND DIRECTION IN TENS OF DEGREES
                                    RELATIVE TO DUE NORTH.
     EXAMPLE: 09 = 90 DEGREES = EAST; 18 = 180 DEGREES = SOUTH;
              27 = 270 DEGREES = WEST; 36 = 360 DEGREES = NORTH
WIND SPD(MPH).......................20 FT. WIND SPEED
WIND GUST(MPH)......................20 FT. WIND GUST
WIND CHILL..........................WIND CHILL TEMPERATURE
HEAT INDX...........................HEAT INDEX
CLOUDS(CAT).........................CLOUD COVER CATEGORY
     EXAMPLE: CL = CLEAR; FW = FEW; SC = SCATTERED;
              B1 = MOSTLY CLOUDY; B2 = CONSIDERABLE CLOUDS; OV = OVERCAST
CLOUDS(%)...........................CLOUD COVER AS A PERCENTAGE
VSBY................................VISIBILITY VALUE IN STATUTE MILES
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
QPF 12HR(IN)........................LIQUID EQUIVALENT PRECIPITATION AMOUNT
WEATHER...
     TYPE...
       RAIN...........RAIN
       RAIN SHWRS.....RAIN SHOWERS
       TSTMS..........THUNDERSTORMS
       DRIZZLE........DRIZZLE
       SNOW...........SNOW
       SNOWSHWRS......SNOW SHOWERS
       SLEET..........SLEET
       FLURRIES.......FLURRIES
       FRZG RAIN......FREEZING RAIN
       FRZG DRZL......FREEZING DRIZZLE
     COVERAGE...
       S..............SLIGHT CHANCE
       C..............CHANCE
       L..............LIKELY
       O..............OCCASIONAL
       D..............DEFINITE
       AR.............AREAS
       PA.............PATCHY
OBVIS...............................OBSTRUCTION TO VISIBILITY
     TYPE...
       F..............FOG
       PF.............PATCHY FOG
       F+.............DENSE FOG
       H..............HAZE
       BS.............BLOWING SNOW
       K..............SMOKE
       BD.............BLOWING DUST
       AF.............VOLCANIC ASHFALL
LAL(CAT)............................LIGHTNING ACTIVITY LEVEL
HAINES(CAT).........................HAINES INDEX
MIX HGT(FT AGL).....................MIXING HEIGHT
T WIND DIR(8 POINT COMPASS).........TRANSPORT WIND DIRECTION
T WIND SPD(MPH).....................TRANSPORT WIND SPEED
SMOKE DISPERSION....................SMOKE DISPERSION CATEGORY
     VALUES: VP = VERY POOR; PR = POOR; FR = FAIR; GD = GOOD
ADI (INDEX).........................ATMOSPHERIC DISPERSION INDEX
CEILING (FT)........................CEILING
PRESSURE (INCHES MERCURY)...........STATION PRESSURE
MAX LVORI (INDEX)...................LOW VISIBILITY OCCURRENCE RISK INDEX
STABILITY (CAT).....................PASQUILL TURNER STABILITY
WATCH/WARNING/ADVISORY...
     EXAMPLE: W = WARNING; Y = ADVISORY; A = WATCH
     IN EFFECT FOR THE INDICATED HOUR 

DAY 4 THROUGH 7...
MAX/MIN TEMP OR MIN/MAX TEMP(F).....MAXIMUM/MINIMUM AIR TEMPERATURE
TEMP(F).............................AIR TEMPERATURE
DEWPT(F)............................DEW POINT TEMPERATURE
RH(%)...............................RELATIVE HUMIDITY
WIND DIR............................20 FT. WIND DIRECTION
WIND SPD(MPH).......................20 FT. WIND SPEED
AVG CLOUDS(CAT).....................AVERAGE CLOUD COVER CATEGORY
POP 12HR(%).........................PROBABILITY FOR ACCUMULATING PRECIPITATION
WEATHER...
     SEE DAY 1 THROUGH 3 WEATHER DESCRIPTIONS