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
MDZ025-220900-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 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 39 49 42 56 46
TEMP 48 45 43 41 40 45 48 48 45 44 43 43 43 50 54 54 51 49 48 47 47
DEWPT 38 37 36 34 32 33 33 36 39 39 40 40 40 40 41 41 42 41 40 40 39
MAX/MIN RH 77 56 92 58 77
RH 67 73 75 76 72 62 57 63 77 82 87 88 88 70 60 61 74 74 73 75 74
WIND DIR W W W W W W W W W W W NW NW NW NW W W W W W W
WIND DIR DEG 28 27 27 28 27 26 25 25 26 26 29 30 31 31 30 29 29 29 29 29 28
WIND SPD 14 13 14 14 14 14 18 20 21 21 21 20 19 19 18 20 18 17 14 14 16
CLOUDS B1 SC SC SC SC SC B1 B2 OV B2 B1 B1 SC SC SC SC SC SC SC SC SC
CLOUDS(%) 65 45 32 37 28 39 61 77 93 80 66 51 36 34 32 32 32 29 26 26 26
VSBY 7 7 7 7 7 7 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 60 60 5 0
QPF 12HR 0 0.06 0.08 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN S S S S
RAIN SHWRS L L L L
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 3 4 4 3 3 4 4 4 4
MIX HGT 3500 3300 4700 4500 3400 3400 4200 4300 3800 2800
T WIND DIR W W W W W NW NW W NW W
T WIND SPD 20 19 20 27 32 31 25 27 25 21
SMOKE DISP GD GD VG GD GD GD GD VG GD FR
ADI 32 44 74 77 44 68 65 87 37 47
MAX LVORI 3 3 3 3 4 4 3 3 3 3
STABILITY D D D D D D D D D D
CEILING 4700 3500 4700 7200 2400 1700 30000 30000 9600 30000
PRESSURE 29.59 29.54 29.55 29.48 29.46 29.52 29.75 29.80 29.90 30.0
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 56 47 60 52 61 44 51 41 53
TEMP 55 51 49 48 59 56 54 52 60 52 47 44 50 46 43 42 52 47
DEWPT 40 41 43 42 45 49 50 50 46 40 36 35 34 36 36 37 38 40
MIN/MAX RH 54 83 60 93 53 69 54 80 57
RH 55 68 80 81 61 76 85 93 60 63 65 71 55 69 75 80 58 76
WIND DIR W W W W SW S SW SW NW NW NW N W NW NW NW N N
WIND SPD 16 10 9 8 10 11 16 16 17 12 12 10 12 12 10 10 10 12
AVG CLOUDS FW FW FW FW FW SC B1 B1 B1 SC SC SC SC SC B1 B1 B1 B2
POP 12HR 0 0 0 10 10 5 10 20 30
RAIN S S 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