EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
930 AM EST Wed Feb 5 2025
VAZ081-051530-
James River NWR RAWS-Prince George VA
37.25N 77.25W Elev. 50 ft
930 AM EST Wed Feb 5 2025
Date 02/05/25 Thu 02/06/25 Fri 02/07/25 Sat
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX 34 59 49 64 33
TEMP 36 35 34 35 35 37 42 50 58 57 57 56 54 50 56 61 60 49 42 38 35 36
DEWPT 26 29 31 33 34 36 39 45 50 54 55 56 53 46 40 35 33 34 31 29 28 28
MAX/MIN RH 96 75 99 36 75
RH 66 78 89 92 95 96 89 83 75 89 93 99 97 86 55 37 36 57 66 71 75 72
WIND DIR E E E NE E SW SW SW SW SW SW SW W W NW NW NW NE NE NE NE NE
WIND DIR DEG 07 08 07 06 08 20 22 22 22 22 23 24 26 29 31 30 32 05 05 06 06 06
WIND SPD 4 3 3 3 2 3 6 10 10 8 5 5 5 4 4 4 3 3 3 3 3 3
CLOUDS OV OV OV OV OV OV OV OV B2 B1 B1 B1 SC SC FW FW FW FW SC SC SC B1
CLOUDS(%) 99100100 99 99 98 91 89 75 67 65 65 48 37 10 19 16 24 30 42 48 66
VSBY 7 5 4 3 2 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 70 70 30 5 20
QPF 12HR 0.10 0.11 0.03 0 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN C C C L L L C S S C
RAIN SHWRS S S C C S S
LAL
HAINES
MIX HGT 2300 2000 1100 1600 1700 600 700 3500 3400 500 1200
T WIND DIR NE NE E SW SW SW W NW NW NE E
T WIND SPD 11 6 5 11 19 16 10 13 9 5 5
SMOKE DISP PR PR PR PR PR PR PR FR PR PR PR
ADI 25 10 4 31 36 16 11 59 56 5 4
MAX LVORI 4 6 8 6 5 8 8 3 3 3 4
STABILITY D F F D D D E B B F F
CEILING 1700 1000 1000 1000 1700 1000 1000 30000 30000 26600 21700
PRESSURE 30.26 30.20 30.09 29.97 29.82 29.81 29.84 29.98 30.02 30.11 30.17
Date 02/08Sun 02/09/25Mon 02/10/25Tue 02/11/25Wed 02/12/25
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN 44 40 67 34 44 33 42 31 42
TEMP 40 41 46 55 65 51 39 34 43 40 35 33 41 39 33 32 40 37
DEWPT 32 36 45 54 51 38 29 28 29 29 29 30 33 32 32 30 33 31
MIN/MAX RH 71 96 52 77 53 89 69 94
RH 73 82 96 96 59 61 69 81 56 64 79 89 75 78 MM MM 77 79
WIND DIR E E SW SW W N N NE NE NE NE N NE NE MM MM MM MM
WIND SPD 4 3 5 9 10 6 5 4 4 3 3 4 6 5 MM MM MM MM
AVG CLOUDS B2 B2 B2 B2 B1 SC B1 B2 B2 B1 B2 B2 OV B2 OV OV B2 B2
POP 12HR 50 40 20 40 40 50 70 70 50
RAIN C C C S S S C C C C C C L L L L C C
SNOW C C C C C L L L L 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
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