EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri Aug 21 2026
MDZ025-220800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Fri Aug 21 2026
Date 08/21/26 Sat 08/22/26 Sun 08/23/26 Mon
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX 71 79 71 82 70
TEMP 74 72 72 71 72 76 78 78 76 74 73 72 74 79 81 81 77 73 72 71 72
DEWPT 68 68 68 69 70 70 72 72 73 73 72 72 73 72 71 69 70 68 67 64 65
MAX/MIN RH 95 80 100 66 84
RH 81 87 89 93 93 81 82 82 92 98 98100 99 81 71 67 78 83 84 80 79
WIND DIR E E E E E E SE SE SE S SW SW W W SW W W W NW NW NW
WIND DIR DEG 08 08 09 08 09 10 12 13 15 18 21 24 25 25 24 25 26 27 30 32 32
WIND SPD 8 6 8 6 8 11 11 10 9 9 8 8 6 8 8 8 5 4 5 8 5
CLOUDS SC B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 SC SC SC SC FW FW FW FW CL
CLOUDS(%) 50 80 70 89 90 82 74 85 83 75 72 76 28 34 35 34 19 21 16 12 3
VSBY 7 7 7 6 6 6 4 4 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 60 70 50 20 5
QPF 12HR 0.10 0.48 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L L L L L C C S S
TSTMS S C C C S S S
MIX HGT 1800 1600 1800 1500 1100 1000 1700 1500 700 800
T WIND DIR SE E SE S SW W SW W W NW
T WIND SPD 8 11 21 16 13 4 10 9 5 9
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 9 41 50 27 17 8 28 21 6 10
MAX LVORI 6 6 4 5 8 10 6 5 6 6
STABILITY E E D D D E B B F F
CEILING 6300 4000 300 1700 5500 26600 30000 21100 30000 5500
PRESSURE 30.05 30.01 30.01 29.92 29.89 29.84 29.86 29.86 29.92 29.94
Date 08/24Tue 08/25/26Wed 08/26/26Thu 08/27/26Fri 08/28/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN 81 70 80 72 81 74 82 74 83
TEMP 80 77 74 71 77 76 74 75 79 78 76 76 80 79 76 75 80 79
DEWPT 63 63 65 64 63 64 66 68 69 71 72 73 73 73 74 74 74 74
MIN/MAX RH 56 79 58 84 70 95 79 98 77
RH 57 63 74 79 61 66 77 82 72 80 87 91 81 85 94 97 82 87
WIND DIR SW W NW N E SW SW SE S S S S S S SW W S S
WIND SPD 5 3 3 5 4 4 3 4 10 11 10 8 10 10 9 5 6 5
AVG CLOUDS CL FW FW FW FW FW FW FW SC FW SC B1 B1 B1 B1 B1 B1 SC
POP 12HR 5 5 5 5 10 40 40 50 30
RAIN SHWRS S C C C C C C S
TSTMS S S C S S
$$
VAZ064-220800-
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
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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