EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sat Sep 5 2026
VAZ081-060800-
James River NWR RAWS-Prince George VA
37.25N 77.25W Elev. 50 ft
510 PM EDT Sat Sep 5 2026
Date 09/05/26 Sun 09/06/26 Mon 09/07/26 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 68 84 63 84 60
TEMP 77 73 70 69 70 78 82 82 75 69 67 65 67 77 82 82 73 67 65 62 65
DEWPT 72 71 70 68 68 68 65 64 64 65 65 64 65 65 63 63 63 62 61 59 61
MAX/MIN RH 100 53 100 49 96
RH 76 94 97100 93 72 58 56 71 87 93 96 93 66 53 52 69 84 87 91 87
WIND DIR NE NE N NE NE NE NE NE NE NE NE NE NE NE NE E E SE N N NW
WIND DIR DEG 06 03 02 02 03 05 03 05 06 06 04 03 02 06 06 08 10 12 00 00 31
WIND SPD 3 2 2 2 3 5 5 5 4 3 2 3 3 5 5 5 3 2 0 0 1
CLOUDS B1 B1 SC B1 B1 B1 B1 SC SC FW SC SC FW FW FW FW FW FW CL CL CL
CLOUDS(%) 62 63 45 59 52 52 61 49 33 8 38 38 21 9 20 17 16 10 2 1 4
VSBY 7 7 7 5 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 40 20 20 0 0
QPF 12HR 0.13 0 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C S S S S S S
TSTMS S S
Obvis PF
MIX HGT 800 1000 4200 4400 800 800 5100 5000 600 400
T WIND DIR NE NE NE NE NE NE NE E E NE
T WIND SPD 4 5 11 9 5 5 11 10 4 3
SMOKE DISP PR PR FR FR PR PR FR FR PR PR
ADI 2 8 44 54 3 8 68 60 4 4
MAX LVORI 9 9 4 3 6 9 4 3 7 10
STABILITY F F C C F F A A F F
CEILING 8000 5800 3200 3700 6700 30000 30000 3200 30000 4700
PRESSURE 29.73 29.76 29.80 29.81 29.87 29.92 30.01 30.01 30.06 30.09
Date 09/08Wed 09/09/26Thu 09/10/26Fri 09/11/26Sat 09/12/26
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 86 61 89 68 93 68 85 63 86
TEMP 83 75 65 63 87 80 72 70 90 83 73 69 82 76 67 64 84 76
DEWPT 60 62 60 61 65 65 63 64 70 70 65 63 64 64 61 61 64 65
MIN/MAX RH 43 94 47 81 48 84 52 91 50
RH 46 64 86 93 48 61 74 81 51 65 77 82 55 66 83 90 51 68
WIND DIR SE SE S SW SW S SW SW W SW NW N N NE NE N SE SE
WIND SPD 2 2 1 2 5 5 5 5 8 3 3 3 3 1 1 1 3 2
AVG CLOUDS FW FW SC FW FW FW FW CL FW FW B1 SC SC SC SC FW SC SC
POP 12HR 0 0 0 0 10 30 20 10 20
RAIN SHWRS C S S
TSTMS 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
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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