EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Mon Jul 21 2025
VAZ081-220800-
James River NWR RAWS-Prince George VA
37.25N 77.25W Elev. 50 ft
510 PM EDT Mon Jul 21 2025
Date 07/21/25 Tue 07/22/25 Wed 07/23/25 Thu
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 69 87 67 88 67
TEMP 78 74 71 70 72 81 84 84 78 72 69 68 72 81 85 85 77 72 69 68 72
DEWPT 74 72 70 69 69 69 68 67 68 67 67 67 68 68 67 66 67 67 67 66 68
MAX/MIN RH 97 55 96 52 96
RH 88 93 96 97 90 67 58 57 70 84 93 96 88 64 56 53 72 85 93 96 89
WIND DIR E E NE N N NE NE NE E E NE NE NE NE E E E SE SE SE E
WIND DIR DEG 07 08 05 01 02 04 05 06 07 07 06 03 03 06 08 10 11 12 13 13 07
WIND SPD 3 2 2 2 3 4 4 4 3 2 1 1 2 3 4 4 3 2 1 1 1
CLOUDS SC FW FW FW FW FW FW SC FW FW FW FW FW FW FW FW FW FW FW FW FW
CLOUDS(%) 42 23 15 19 13 18 25 26 25 8 6 10 9 21 24 23 23 14 10 8 8
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 0 0 0 0
QPF 12HR 0.04 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
TSTMS S
MIX HGT 500 900 5800 5600 600 1000 5500 5400 600 600
T WIND DIR E NE NE NE E NE NE E E N
T WIND SPD 3 4 11 11 8 3 8 8 4 2
SMOKE DISP PR PR FR FR PR PR PR PR PR PR
ADI 3 11 77 77 5 8 54 45 4 4
MAX LVORI 8 9 3 3 7 8 3 3 7 9
STABILITY F F A A F F A A F F
CEILING 9800 22400 30000 3200 30000 30000 300 30000 30000 25200
PRESSURE 29.82 29.87 29.93 29.94 29.98 30.01 30.07 30.05 30.05 30.06
Date 07/24Fri 07/25/25Sat 07/26/25Sun 07/27/25Mon 07/28/25
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 90 72 95 75 96 74 94 74 91
TEMP 86 81 74 76 91 86 78 79 93 84 76 78 91 82 76 77 89 81
DEWPT 69 72 71 73 72 74 73 74 74 76 74 75 76 77 74 75 75 75
MIN/MAX RH 54 97 51 90 54 95 61 99 65
RH 56 74 91 90 53 68 85 85 54 79 93 91 61 84 95 95 65 84
WIND DIR S S S SW SW S SW W SW SE S W SW E SW N N NW
WIND SPD 3 2 2 3 4 2 2 2 3 2 2 2 3 2 2 2 4 2
AVG CLOUDS FW FW FW FW FW FW FW FW FW B1 B1 SC SC B1 B1 SC SC B1
POP 12HR 5 0 5 10 30 30 40 30 30
RAIN SHWRS C C C C S C
TSTMS C C C C C
$$
VAZ096-220800-
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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