EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
410 PM EST Tue Jan 21 2025
VAZ064-220900-
Ft AP Hill RAWS - Caroline VA
38.10N 77.27W Elev. 201 ft
410 PM EST Tue Jan 21 2025
Date 01/21/25 Wed 01/22/25 Thu 01/23/25 Fri
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 10 24 11 35 17
TEMP 22 20 17 14 11 17 22 22 17 15 14 12 13 24 32 33 26 23 21 19 19
DEWPT 2 4 5 6 1 -1 -4 -4 -1 -1 0 1 2 4 6 7 9 10 11 12 13
MAX/MIN RH 69 29 64 30 81
RH 41 49 58 69 63 44 32 31 43 48 54 61 62 42 33 33 48 57 66 75 77
WIND DIR E NE N N N N N N E SE S S S SW SW SW S W NW NW N
WIND DIR DEG 09 02 34 34 35 35 35 01 10 13 16 19 20 21 22 23 17 28 31 33 34
WIND SPD 2 2 3 5 5 5 4 3 2 2 2 2 2 3 4 3 2 2 2 3 3
CLOUDS OV OV B2 B1 FW CL CL FW FW FW SC SC SC B1 B1 SC SC FW FW FW FW
CLOUDS(%) 100100 74 52 6 1 2 13 13 17 37 37 33 55 61 44 26 18 16 12 20
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 30 0 0 0 0
QPF 12HR 0.01 0 0 0 0
SNOW 12HR T 00-00 00-00
SNOW C
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 4 4 4 4 4 4 4 4 3
MIX HGT 1200 1000 3400 3300 500 400 2200 2200 500 500
T WIND DIR NW N N N E S SW SW W NW
T WIND SPD 4 13 11 2 4 2 5 5 3 4
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 4 20 45 13 3 3 24 23 2 7
MAX LVORI 3 3 2 2 3 4 3 2 3 5
STABILITY F E C B F F B B F F
CEILING 10400 20800 26600 26600 16100 30000 18200 25800 30000 30000
PRESSURE 30.34 30.30 30.34 30.32 30.30 30.25 30.18 30.05 30.02 30.04
Date 01/24Sat 01/25/25Sun 01/26/25Mon 01/27/25Tue 01/28/25
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 37 15 40 27 48 28 46 26 44
TEMP 35 26 20 17 37 34 30 29 45 38 32 29 44 36 30 27 42 36
DEWPT 13 15 15 13 13 14 17 20 22 24 26 26 28 27 25 20 16 19
MIN/MAX RH 37 87 32 69 36 90 47 81 32
RH 40 62 81 83 37 44 59 70 39 58 79 89 52 69 80 74 35 51
WIND DIR NW N NW W SW S SW SW SW SW SW SW SW W W W W W
WIND SPD 5 3 2 2 5 3 4 3 6 3 2 3 5 3 3 4 6 3
AVG CLOUDS FW SC SC FW FW FW SC B1 B2 B1 B1 B1 B1 B1 SC SC SC FW
POP 12HR 0 0 0 0 0 20 30 20 10
RAIN S C S S
SNOW S C
$$
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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