National Weather Service United States Department of Commerce

	EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 PM EDT SAT APR 18 2015

VAZ081-190900-
JAMES RIVER NWR RAWS-PRINCE GEORGE VA
37.25N  77.25W ELEV. 50 FT
620 PM EDT SAT APR 18 2015

DATE           04/18/15      SUN 04/19/15            MON 04/20/15            TUE
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                      54          69          61          83          55
TEMP             73 61 58 55 59 65 68 65 63 63 63 63 65 74 80 80 72 67 63 60 63
DEWPT            55 53 51 50 49 50 50 52 54 56 58 60 61 59 57 56 57 55 53 51 49
MAX/MIN RH                   84          52          92          43          72
RH               53 76 79 83 69 58 53 63 72 78 84 92 87 60 45 44 59 65 70 72 60
WIND DIR          E  E  E  E NE  E  E  E  E  E SE  S SW SW  S  S  S SW SW  W  W
WIND DIR DEG     09 11 10 07 06 08 08 08 09 11 14 17 20 21 19 20 20 21 23 25 27
WIND SPD          3  3  2  3  6 10 10 10 10 11 11 10  6  6  9 10  8  9  8  5  6
CLOUDS           FW FW FW FW SC B1 B2 OV OV OV OV B2 B1 B1 B1 B1 B1 B1 SC SC SC
CLOUDS(%)        10 10 11 21 32 55 79 89 99100100 85 69 65 62 65 68 58 47 40 33
VSBY             10 10 10 10 10 10  6  6  4  4  4  4  6 10 10  6  6  6  6  6 10
POP 12HR                     10          60         100          40          30
QPF 12HR                      0        0.04        0.76        0.02        0.02
SNOW 12HR                 00-00       00-00       00-00                        
RAIN                                C  L  D  D  D  D                           
RAIN SHWRS                                            C        C  C  C  C  C   
TSTMS                                                          C  C  C         
LAL                     1     1     1     1     1     1     1     3     3     1
HAINES                  5     5     4     4     3     3     4     4     4     4
MIX HGT               500   300  2100  2300   700   300  4100  4700  1000  1300
T WIND DIR              E     E     E    SE    SE    SW    SW    SW    SW     W
T WIND SPD              5     6    19    23    20    19    17    26    19    21
SMOKE DISP             PR    PR    PR    FR    PR    PR    GD    VG    PR    PR
ADI                     4    11    40    53    20    23    70    89    23    41
MAX LVORI               5     6     2     3     4     5     3     2     3     3
STABILITY               A     F     E     C     D     D     E     C     B     F
CEILING             26600 20800   300  7200  1000  1000  1700  4700 23500  2400
PRESSURE            29.86 29.92 29.95 29.93 29.76 29.60 29.57 29.53 29.48 29.55


DATE           04/21 WED 04/22/15 THU 04/23/15 FRI 04/24/15 SAT 04/25/15
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          75    48    69    47    68    45    63    44    62
TEMP          74 64 53 52 67 60 51 51 66 59 50 48 61 56 48 47 60 54
DEWPT         42 40 41 41 37 42 42 43 41 43 41 38 37 41 39 40 40 42
MIN/MAX RH       32    74    33    82    38    76    41    81    46
RH            32 41 64 66 33 51 71 76 41 55 71 68 41 58 70 75 47 64
WIND DIR       W  W  W  W SW SW SW  W  W NW NW NW  W NW  N  N NW  N
WIND SPD      10  5  3  3  8  3  3  3  9  3  3  3  8  3  3  3  5  3
AVG CLOUDS    SC FW FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR          5     5    10    10    10    10    10    10    10

$$

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