National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
410 PM EDT SUN AUG 19 2018

VAZ081-200900-
JAMES RIVER NWR RAWS-PRINCE GEORGE VA
37.25N  77.25W ELEV. 50 FT
410 PM EDT SUN AUG 19 2018

DATE           08/19/18      MON 08/20/18            TUE 08/21/18            WED
UTC 3HRLY     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3HRLY     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX                      71          83          71          86          73
TEMP          82 78 74 73 72 73 79 82 82 77 74 73 72 74 81 85 84 80 76 75 74 76
DEWPT         71 73 72 71 70 71 71 71 71 71 71 71 71 71 71 72 72 72 73 73 72 71
MAX/MIN RH                   97          67          97          65          97
RH            69 85 93 93 93 93 77 69 69 81 89 92 97 91 72 65 68 78 90 94 93 85
WIND DIR       N NE  E NE NE NE NE NE  E  E  E  E SE  S  S  S  S  S  S SW SW  W
WIND DIR DEG  01 02 08 04 05 05 03 05 08 11 10 10 15 16 17 19 19 19 20 22 23 25
WIND SPD       3  3  4  2  3  4  3  3  4  3  3  3  1  3  5  6  6  8  4  3  3  4
CLOUDS        B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B2 B2 OV B2 B2 B2 B2 B2 B1 B1 SC SC
CLOUDS(%)     70 80 87 86 91 87 83 75 74 74 70 72 89 85 86 75 78 78 68 53 49 44
VSBY           7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  6  6  7  7  7  7  7
POP 12HR                     40          40          30          60          40
QPF 12HR                   0.16        0.18        0.01        0.28        0.12
SNOW 12HR                 00-00       00-00       00-00                        
RAIN SHWRS     C  C  C  C  C  C  C  C  C  S  S  C  C  C  C  L  L  C  C  S  S   
TSTMS          C  C  C  S           C  C              S  S  L  L  C  C         
LAL                     3     2     3     3     1     2     4     4     3     1
HAINES                  4     4     3     3     3     3     3     3     3     4
MIX HGT               400   300  3400  3500   400   300  3900  3800   300   300
T WIND DIR              E     E     E    SE     E    SE    SW     S     S    SW
T WIND SPD              4     5     8     8     4     5    13    17    12     9
SMOKE DISP             PR    PR    PR    PR    PR    PR    FR    GD    PR    PR
ADI                     3     8    24    23     2     9    43    57    10     8
MAX LVORI               7     7     5     5     7     8     5     4     6     7
STABILITY               B     D     D     B     B     D     D     B     B     F
CEILING                 0     0     0     0     0     0  5400  7200 13800  6300
PRESSURE            29.84 29.87 29.92 29.90 29.92 29.89 29.86 29.77 29.72 29.70


DATE           08/22 THU 08/23/18 FRI 08/24/18 SAT 08/25/18 SUN 08/26/18
UTC 6HRLY     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6HRLY     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN          88    67    82    63    84    64    85    65    87
TEMP          86 78 71 70 80 74 67 67 82 76 68 68 83 76 69 69 85 78
DEWPT         71 69 65 61 62 60 56 59 61 63 60 63 66 67 66 66 70 69
MIN/MAX RH       57    83    49    82    47    90    53   100    57
RH            61 74 80 74 53 61 69 76 49 63 76 84 57 73 90 90 61 74
WIND DIR      NW NW  N  N  N NE NE  N  E  E SE NE  E SE  E  W  S  S
WIND SPD       6  3  3  5  4  3  1  3  3  3  2  3  4  3  2  2  3  2
AVG CLOUDS    SC B1 SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC SC
POP 12HR         30    20    10     5     5     5    10    10    20
RAIN SHWRS        C  S  S                                      S  S
TSTMS             C  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