The potential for heavy snow at higher elevations in the western U.S. will continue for many spots through the weekend. In the meantime, the eastern half of the continental U.S. will transition to above normal temperatures ahead of a pair of cold fronts next week that will bring readings back to closer to normal as we approach Thanksgiving Day. Read More >
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
410 PM EST Sun Nov 24 2024
VAZ081-250900-
James River NWR RAWS-Prince George VA
37.25N 77.25W Elev. 50 ft
410 PM EST Sun Nov 24 2024
Date 11/24/24 Mon 11/25/24 Tue 11/26/24 Wed
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 36 65 50 68 34
TEMP 49 44 41 39 37 52 62 62 52 52 52 51 52 59 66 64 50 44 41 38 35
DEWPT 40 39 38 37 37 42 42 41 43 43 44 46 50 54 49 42 39 37 34 32 32
MAX/MIN RH 99 42 89 45 84
RH 72 81 89 92 98 68 48 46 71 73 74 83 94 83 54 45 66 75 76 79 88
WIND DIR SW SW NW N NE SE S S S S SW SW SW W NW NW NW NW N N NE
WIND DIR DEG 23 23 33 02 06 15 19 18 18 20 21 21 22 25 30 30 30 32 35 00 03
WIND SPD 3 2 2 2 1 2 3 3 2 3 5 4 5 9 9 5 3 2 2 2 2
CLOUDS CL FW FW FW CL CL FW FW FW SC SC B1 B1 B1 SC SC FW FW FW FW FW
CLOUDS(%) 5 12 9 14 4 4 6 16 25 39 45 58 69 68 38 26 16 11 18 16 23
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 10 20 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 4 4 4 4 4 4 5 5 4
MIX HGT 400 400 2000 2000 500 700 3800 3200 500 400
T WIND DIR W NE SE S S SW W NW NW NE
T WIND SPD 2 2 4 6 5 6 16 11 4 4
SMOKE DISP PR PR PR PR PR PR GD FR PR PR
ADI 1 3 14 21 5 10 73 62 2 4
MAX LVORI 6 9 5 3 3 6 5 3 4 6
STABILITY F F B C F E D C F F
CEILING 20800 23500 30000 30000 23500 18200 6300 26600 26600 20900
PRESSURE 29.94 30.0 30.03 29.98 29.92 29.84 29.84 29.86 29.96 30.01
Date 11/27Thu 11/28/24Fri 11/29/24Sat 11/30/24Sun 12/01/24
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 58 46 58 39 50 27 44 27 45
TEMP 55 52 48 48 57 49 44 40 49 38 32 28 42 35 30 28 43 34
DEWPT 33 37 42 46 53 47 41 38 33 29 23 20 20 23 21 22 25 26
MIN/MAX RH 42 90 77 95 48 75 39 78 46
RH 44 57 79 94 87 91 88 92 54 70 70 71 41 62 69 78 49 72
WIND DIR S SE SE S W NW NW NW NW NW W W NW SW SW SW W W
WIND SPD 3 2 2 3 4 6 3 4 10 6 5 4 9 3 3 3 6 4
AVG CLOUDS SC B1 B2 OV OV OV B2 B2 B1 SC FW FW FW FW SC B1 SC SC
POP 12HR 0 40 60 60 20 5 5 5 5
RAIN C L L L C
RAIN SHWRS 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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