National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 AM EDT SUN APR 22 2018

VAZ096-222100-
GREAT DISMAL SWAMP RAWS-SUFFOLK VA
36.61N  76.55W ELEV. 35 FT
620 AM EDT SUN APR 22 2018

DATE             SUN 04/22/18            MON 04/23/18            TUE 04/24/18
UTC 3HRLY     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3HRLY     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN                      65          45          67          53          65
TEMP             47 59 64 64 56 49 47 46 49 61 65 65 60 56 55 54 55 62 64 64 62
DEWPT            40 38 38 35 37 39 41 42 43 44 43 44 45 48 50 52 53 54 56 57 57
MIN/MAX RH                   35          86          44          93          73
RH               76 45 39 35 49 68 79 86 80 53 45 46 58 74 83 93 93 75 75 78 84
WIND DIR         SE SE SE SE SE SE  E  E  E  E  E  E  E  E  E  E  E  E  E SE SE
WIND DIR DEG     12 12 11 11 11 12 08 08 09 10 11 10 09 10 11 10 10 11 11 12 12
WIND SPD          1  3  4  8  4  3  3  3  5 10 11 10  9  6  8  9 10 13 16 12 10
CLOUDS           FW FW B1 B1 B1 B1 SC SC SC B1 B2 B2 OV OV OV OV OV OV OV OV OV
CLOUDS(%)        25 20 51 62 68 55 42 43 44 57 70 80 90 94 98 99 99 99 99 96 93
VSBY              7  7  7  7  7  7  7  7  7  7  7  7  7  7  6  6  4  4  4  4  7
POP 12HR                      0           0           5          60          90
QPF 12HR                      0           0           0        0.26        0.95
SNOW 12HR                 00-00       00-00       00-00                        
RAIN                                                  C  C  L  L  D  D  L  L  C
LAL                     1     1     1     1     1     1     1     1     1     1
HAINES                  4     4     5     5     5     4     4     4     3     3
MIX HGT              3600  3800  1000   400  3500  3300  1300   600  1500  1400
T WIND DIR             SE    SE     E     E    SE     E     E    SE    SE    SE
T WIND SPD              2     9     5     6    20    21    12    18    27    20
SMOKE DISP             PR    PR    PR    PR    GD    GD    PR    PR    PR    PR
ADI                    16    34     6     9    59    63    15    30    47    41
MAX LVORI               3     2     4     6     3     2     4     5     4     4
STABILITY               F     B     B     F     D     C     C     D     D     D
CEILING             17100 20800 18300 14800 23500  2400  3200  7200  1000   300
PRESSURE            30.38 30.34 30.36 30.36 30.38 30.34 30.30 30.19 30.14 29.96


DATE          WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18
UTC 6HRLY     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6HRLY     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX          58    73    54    69    51    71    51    70
TEMP          59 61 71 66 58 57 67 62 55 54 69 63 55 54 68 61
DEWPT         57 57 58 57 55 54 51 51 49 50 50 49 48 45 42 44
MAX/MIN RH       97    59   100    53    93    47    80    37
RH            94 88 63 73 91 90 57 68 80 86 51 60 77 71 39 52
WIND DIR       S SW SW SW SW NW  N  S SW SW  S  S  W  W  W  W
WIND SPD       4  3  6  3  2  4  2  2  3  4  5  4  6  8  9  4
AVG CLOUDS    B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC
POP 12HR         50    40    20    20    20    20    20    10
RAIN           C  C                                          
RAIN SHWRS           C  C  S  S  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