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
VAZ096-220900-
Great Dismal Swamp RAWS-Suffolk VA
36.61N 76.55W Elev. 35 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 32 51 39 59 36
TEMP 46 42 38 34 35 43 49 49 45 42 41 40 40 50 57 56 47 43 41 39 37
DEWPT 32 31 28 25 24 25 27 29 31 31 31 32 34 36 38 39 39 38 36 35 35
MAX/MIN RH 72 41 77 45 92
RH 58 65 67 69 64 49 42 46 57 65 67 74 79 57 49 52 74 81 81 85 92
WIND DIR W W W W W W W W W W W W W W W W W W W W W
WIND DIR DEG 26 27 27 26 26 26 26 26 25 26 26 27 27 29 28 28 26 26 27 27 26
WIND SPD 5 5 6 6 5 10 13 12 11 11 10 9 5 10 11 10 4 3 3 3 3
CLOUDS SC FW FW FW FW FW FW SC B1 SC SC SC SC SC SC FW FW FW FW FW FW
CLOUDS(%) 34 11 12 23 12 16 24 44 64 46 28 27 26 30 34 24 13 13 13 12 11
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 5 10 5 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 4 5 4 3 3 4 3 4 4
MIX HGT 400 500 5100 4600 700 600 5000 4400 400 400
T WIND DIR W W W W W W NW W W W
T WIND SPD 9 17 18 27 16 11 20 16 6 4
SMOKE DISP PR PR GD GD PR PR GD GD PR PR
ADI 7 14 68 69 23 10 68 63 4 3
MAX LVORI 3 3 2 2 3 4 3 3 5 6
STABILITY F E C D D E D D F F
CEILING 7500 11700 11700 28500 4600 8300 30000 30000 23500 13800
PRESSURE 29.62 29.60 29.61 29.55 29.55 29.62 29.80 29.85 29.94 30.03
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 61 39 66 52 67 40 56 37 56
TEMP 58 49 43 40 63 59 55 53 65 53 45 41 54 46 41 38 54 46
DEWPT 38 41 39 39 44 45 45 49 48 42 35 34 35 37 35 35 38 41
MIN/MAX RH 44 96 46 83 47 76 47 90 53
RH 47 74 86 96 51 61 69 86 54 66 68 76 48 72 80 90 55 83
WIND DIR W W W SW SW S SW SW W N N N W E SW W SW NW
WIND SPD 8 3 3 3 6 5 8 8 10 4 4 3 5 3 3 3 9 5
AVG CLOUDS FW FW FW FW FW FW SC B1 B1 SC SC SC SC SC SC B1 B1 B1
POP 12HR 0 0 0 10 10 5 10 20 20
RAIN S S S
$$
VAZ098-220900-
Back Bay NWR RAWS-Virginia Beach VA
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