Power Pacific system will continue to bring significant impacts for Pacific Northwest into northern California the remainder of the week. Dangerous coastal affects, heavy rain, flooding, strong winds, and higher elevation mountain snow continues. Meanwhile, a storm across the east is set to bring the first accumulating snow to many higher elevations of the Catskills into the central Appalachians. Read More >
EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
410 PM EST Thu Nov 21 2024
VAZ064-220900-
Ft AP Hill RAWS - Caroline VA
38.10N 77.27W Elev. 201 ft
410 PM EST Thu Nov 21 2024
Date 11/21/24 Fri 11/22/24 Sat 11/23/24 Sun
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 30 48 38 57 36
TEMP 42 38 34 32 32 40 46 46 43 41 40 39 39 49 55 54 46 42 40 39 37
DEWPT 34 31 27 24 24 27 30 31 33 33 33 34 35 36 38 38 38 36 35 34 34
MAX/MIN RH 78 51 83 49 91
RH 72 76 75 74 71 59 53 56 68 74 76 82 85 62 53 54 73 80 83 84 91
WIND DIR W W W W SW W W W W W NW NW NW NW W W W W W W W
WIND DIR DEG 27 28 27 26 24 25 25 26 26 27 29 31 30 30 29 29 29 28 27 26 25
WIND SPD 5 5 5 5 4 9 11 11 10 10 9 8 5 9 10 10 6 4 3 3 3
CLOUDS B1 SC FW FW SC B1 B2 B2 OV B1 SC SC SC SC B1 SC SC SC SC SC SC
CLOUDS(%) 61 27 23 24 26 63 83 86 90 67 44 42 41 47 53 40 26 27 29 30 32
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 10 50 20 0 0
QPF 12HR 0 0.04 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN S C
RAIN SHWRS C C S S
SNOW S
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 4 4 3 3 4 4 4 4 4
MIX HGT 900 800 3700 3300 800 700 4900 4400 500 400
T WIND DIR W W W W W NW NW W W SW
T WIND SPD 21 16 17 21 16 9 16 20 9 3
SMOKE DISP PR PR GD GD PR PR GD GD PR PR
ADI 13 10 64 60 18 8 75 66 9 3
MAX LVORI 4 4 3 3 4 5 3 4 5 7
STABILITY F F C D D D C D F F
CEILING 5500 5400 17100 4000 2400 30000 30000 4000 15900 30000
PRESSURE 29.5 29.45 29.44 29.36 29.37 29.48 29.67 29.71 29.82 29.89
Date 11/24Mon 11/25/24Tue 11/26/24Wed 11/27/24Thu 11/28/24
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 36 63 49 62 37 51 31 48
TEMP 56 46 40 37 60 56 52 50 61 49 42 38 49 40 35 32 46 39
DEWPT 35 38 37 36 41 44 45 47 40 35 31 30 30 32 31 31 32 35
MIN/MAX RH 44 97 46 87 41 74 46 96 56
RH 46 74 89 96 49 65 78 89 46 59 65 74 48 73 85 96 58 85
WIND DIR W W SW S SW S SW W NW N N N W N N N NW N
WIND SPD 5 3 2 3 5 5 6 6 10 4 3 3 4 3 1 2 6 4
AVG CLOUDS SC FW FW FW SC SC B1 B1 B1 SC SC SC SC SC B1 B1 B2 B2
POP 12HR 0 0 0 10 10 5 10 20 30
RAIN S S C 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