National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
520 AM EST SUN FEB 18 2018

VAZ096-182100-
GREAT DISMAL SWAMP RAWS-SUFFOLK VA
36.61N  76.55W ELEV. 35 FT
520 AM EST SUN FEB 18 2018

DATE             SUN 02/18/18            MON 02/19/18            TUE 02/20/18
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                      54          36          61          54          77
TEMP             41 49 53 52 44 39 38 39 39 50 59 61 58 58 58 58 58 67 74 76 69
DEWPT            37 35 34 32 33 33 33 35 39 46 52 55 56 56 55 56 57 63 62 61 61
MIN/MAX RH                   45         100          78         100          58
RH               85 58 48 46 65 78 82 87100 86 79 82 94 94 91 96 96 87 66 60 76
WIND DIR         NW  N NE NE  E  E  E  E  E SE  S  S  S  S  S  S  S SW SW SW  S
WIND DIR DEG     33 00 03 05 08 08 08 09 09 14 18 20 17 18 19 19 20 21 21 21 19
WIND SPD          4  8  6  5  3  3  2  2  2  3  3  3  3  3  3  4  4  8  9  9  6
CLOUDS           FW CL CL CL CL FW FW SC B2 OV OV B2 B2 B2 B2 B2 B2 B1 B1 SC SC
CLOUDS(%)         9  3  3  3  4  7 18 44 80 97 92 85 87 83 79 75 70 61 53 40 42
VSBY              7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0          10          30          20          10
QPF 12HR                      0           0        0.02           0           0
SNOW 12HR                 00-00       00-00       00-00                        
RAIN                                      C  C                                 
RAIN SHWRS                                      S  S  S  S  S  S               
LAL                     1     1     1     1     1     1     1     1     1     1
HAINES                  4     4     4     4     2     3     3     3     3     4
MIX HGT              2500  2300   300   300   500   500   300   300  2400  2400
T WIND DIR              N    NE     E     E    SE    SW     S    SW    SW     S
T WIND SPD             16     8     5     3     5     5     3     3     6    10
SMOKE DISP             PR    PR    PR    PR    PR    PR    PR    PR    PR    PR
ADI                    50    34     3     4     6     8     3     4    26    32
MAX LVORI               4     3     7     8     6     6    10     9     6     3
STABILITY               F     B     B     F     D     B     B     F     E     B
CEILING             30000 30000 23500 20800  5500  1700  1000   300  1000  4000
PRESSURE            30.28 30.37 30.45 30.46 30.45 30.37 30.38 30.36 30.39 30.34


DATE          WED 02/21/18 THU 02/22/18 FRI 02/23/18 SAT 02/24/18
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          59    78    57    71    49    63    49    71
TEMP          64 63 76 69 61 58 69 61 54 50 61 57 52 51 68 63
DEWPT         59 59 61 61 58 57 55 53 49 46 50 49 50 51 55 54
MAX/MIN RH       90    56    95    55    89    64   100    55
RH            85 93 60 76 90 95 61 74 83 87 68 77 93100 63 73
WIND DIR       S  S SW  S SW SW  W NW  N NE NE  E  S SW SW SW
WIND SPD       5  4 10  4  5  4  3  4  3  3  3  3  3  4 10  9
AVG CLOUDS    SC SC B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR         10    10    30    30    30    20    20    20
RAIN SHWRS                 C  C  C  C  C  C  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