National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
520 AM EST WED FEB 21 2018

VAZ081-212100-
JAMES RIVER NWR RAWS-PRINCE GEORGE VA
37.25N  77.25W ELEV. 50 FT
520 AM EST WED FEB 21 2018

DATE             WED 02/21/18            THU 02/22/18            FRI 02/23/18
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3HRLY     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN                      79          60          68          47          63
TEMP             62 68 74 77 72 69 66 65 61 66 67 66 60 57 53 52 50 53 59 61 59
DEWPT            60 63 64 64 62 62 62 62 61 61 56 55 51 47 45 44 43 45 50 51 52
MIN/MAX RH                   64         100          66          79          69
RH               93 83 72 64 72 77 86 90100 83 67 68 74 68 75 74 79 73 72 70 78
WIND DIR         SW SW SW SW  S SW  S  S  S  S SW SW  S  S  S NE  E SE  S  S  S
WIND DIR DEG     20 21 22 21 20 21 20 20 20 20 22 22 20 18 17 04 08 12 19 18 17
WIND SPD          5  8  9  9  5  4  4  4  3  5  8  8  3  3  2  0  1  1  3  3  3
CLOUDS           B2 B2 B1 SC FW FW FW FW SC SC B1 B1 B2 OV OV OV OV OV B1 B2 B2
CLOUDS(%)        72 72 67 30 23 22 24 23 36 43 64 63 81 98100100100 91 67 80 74
VSBY              4  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                     10          10          50          50          30
QPF 12HR                      0           0        0.02        0.02        0.02
SNOW 12HR                 00-00       00-00       00-00                        
RAIN                                                  C  C  C  C               
RAIN SHWRS                                C  C  C  C              C  C  C  C   
OBVIS             F                                                            
LAL                     1     1     1     1     1     1     1     1     1     1
HAINES                  4     3     3     3     3     3     3     2     2     4
MIX HGT              2500  2700  1100   500  1700  1800   700   700  1800  1700
T WIND DIR             SW    SW    SW     S    SW    NW    NE    NE     E     S
T WIND SPD             12    16    13     6     9     5    10    10     5     2
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                    35    48     8     8    20    12     9    11     9     3
MAX LVORI               5     3     6     8     6     3     4     4     4     4
STABILITY               E     B     B     F     F     C     B     D     D     B
CEILING               300   300   300   300   300  1000   300  1000  1000  1000
PRESSURE            30.34 30.31 30.31 30.34 30.34 30.29 30.37 30.39 30.42 30.31


DATE          SAT 02/24/18 SUN 02/25/18 MON 02/26/18 TUE 02/27/18
UTC 6HRLY     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6HRLY     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX          55    75    58    74    49    64    42    61
TEMP          57 59 72 68 62 59 72 63 54 50 62 54 47 44 59 51
DEWPT         53 55 60 58 57 58 61 55 51 45 42 41 38 38 38 38
MAX/MIN RH       88    62    96    60    91    45    82    44
RH            87 89 66 71 85 95 67 74 89 84 48 61 72 79 45 60
WIND DIR      SW SW SW SW  S  S SW  W  W  N  N SE SW SW NW  N
WIND SPD       3  4  8  4  3  5 10  6  4  3  3  2  3  3  5  6
AVG CLOUDS    B2 B2 B2 B2 B2 OV OV B2 B1 B1 B1 SC SC SC SC FW
POP 12HR         10    30    40    50    20    20    20    20
RAIN SHWRS           C  C  C  C  C  C  S  S  S  S  S  S  S  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