National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
520 AM EST SAT FEB 17 2018

VAZ096-172100-
GREAT DISMAL SWAMP RAWS-SUFFOLK VA
36.61N  76.55W ELEV. 35 FT
520 AM EST SAT FEB 17 2018

DATE             SAT 02/17/18            SUN 02/18/18            MON 02/19/18
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                      47          37          55          37          65
TEMP             39 44 46 45 42 41 40 39 38 49 54 53 45 42 40 39 40 55 60 60 57
DEWPT            33 34 35 39 40 40 39 38 36 37 35 34 34 35 35 37 40 47 52 55 56
MIN/MAX RH                   65          97          45          98          73
RH               79 68 65 81 92 95 96 97 92 64 48 48 65 76 82 90100 74 77 86 98
WIND DIR         NE  E  E  E  N NW NW NW NW  N NE NE  E  E  E  E SE SE  S  S  S
WIND DIR DEG     04 07 09 09 35 32 30 30 32 35 02 05 09 10 11 11 11 15 18 19 18
WIND SPD          5  6  5  3  3  3  3  3  2  4  3  4  3  3  2  2  2  3  3  5  3
CLOUDS           SC B2 OV OV OV OV OV B1 FW FW FW FW FW FW SC B1 B2 B2 B2 B2 B2
CLOUDS(%)        46 79100100 97 98 96 67 25 13 12 13 13 22 31 52 74 79 85 81 76
VSBY              7  7  6  4  4  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                     80          80           0          20          40
QPF 12HR                   0.11        0.13           0           0        0.01
SNOW 12HR                 00-00       00-00       00-00                        
RAIN                    L  D  D  C                                             
RAIN SHWRS                                                  S  S  C  C  S  S  S
LAL                     1     1     1     1     1     1     1     1     1     1
HAINES                  2     2     2     4     4     4     4     3     3     3
MIX HGT              1900  1700   500   300  3100  3100   300   300  1600  1600
T WIND DIR              E    NE    NW    NW     N    NE     E     E     S    SW
T WIND SPD             12     9    11     9    11     6     5     3     3     5
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                    23    19    10    10    38    32     3     4     9    10
MAX LVORI               3     6     7     8     4     3     5     9     6     9
STABILITY               E     D     D     F     F     B     B     F     F     C
CEILING              4700  4000  1000  6300 30000 30000 26600 20800  1700   300
PRESSURE            30.30 30.17 30.03 30.07 30.27 30.34 30.43 30.44 30.43 30.34


DATE          TUE 02/20/18 WED 02/21/18 THU 02/22/18 FRI 02/23/18
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          56    77    58    78    55    70    50    64
TEMP          58 58 75 69 62 60 75 68 60 56 68 61 53 50 61 57
DEWPT         55 56 60 59 57 57 59 58 56 53 53 51 48 43 48 48
MAX/MIN RH       98    56    93    52    90    54    83    58
RH            90 94 60 70 83 90 58 70 85 90 59 71 83 78 62 74
WIND DIR       S  S SW  S  S SW SW  S SW  N  N  N  N NE NE SE
WIND SPD       3  5 10  8  5  4 10  4  3  2  3  4  3  3  3  3
AVG CLOUDS    B2 B1 B1 SC SC B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B1
POP 12HR         20    10    10    10    20    30    30    30
RAIN SHWRS     S  S                    S  S  C  C  C  C  C  C

$$

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