EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sun Aug 16 2026
MDZ025-170800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Sun Aug 16 2026
Date 08/16/26 Mon 08/17/26 Tue 08/18/26 Wed
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 74 85 74 83 72
TEMP 78 77 77 76 76 82 84 84 81 77 76 75 76 80 82 82 78 75 74 73 74
DEWPT 71 72 75 75 75 76 75 75 76 75 75 73 73 73 73 72 72 72 71 70 70
MAX/MIN RH 99 72 98 71 92
RH 80 87 96 97 96 82 75 74 86 94 98 96 93 80 74 72 81 88 90 91 88
WIND DIR S S SW SW SW W W W W W W NW N N NE E E S W NW NW
WIND DIR DEG 17 19 21 21 23 25 25 26 25 26 27 32 34 00 04 08 10 18 27 30 32
WIND SPD 16 17 17 14 11 10 9 8 5 3 4 5 6 5 4 4 3 3 3 3 3
CLOUDS B2 B2 B2 B1 B1 SC FW FW FW SC SC SC SC FW FW FW FW FW FW FW FW
CLOUDS(%) 70 87 83 67 63 29 16 14 14 28 38 28 35 23 19 16 19 18 13 15 6
VSBY 7 7 4 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 70 10 10 10 5
QPF 12HR 0.39 0.01 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L C S
TSTMS C C C S
MIX HGT 1500 1200 1100 800 400 700 1700 1500 600 400
T WIND DIR S SW SW SW SW NW NE NE E E
T WIND SPD 23 20 16 10 6 6 13 11 5 3
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 26 24 24 14 3 12 31 25 4 4
MAX LVORI 5 5 5 6 9 8 5 5 7 7
STABILITY D D C B F F B A F F
CEILING 4700 1700 1000 6300 6300 4000 4000 4700 300 300
PRESSURE 29.97 29.85 29.86 29.79 29.80 29.78 29.84 29.84 29.88 29.88
Date 08/19Thu 08/20/26Fri 08/21/26Sat 08/22/26Sun 08/23/26
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 82 75 84 72 79 71 79 72 81
TEMP 81 79 78 78 82 79 75 74 77 77 74 73 77 76 74 73 79 77
DEWPT 70 72 74 75 75 74 72 71 70 69 69 71 70 70 71 71 70 70
MIN/MAX RH 68 94 77 95 73 92 76 94 73
RH 69 78 89 93 80 85 92 91 78 77 87 91 80 82 88 93 75 77
WIND DIR S S S SW S SE NE NE NE NE E N NE E SE N SE SW
WIND SPD 5 8 10 9 10 8 8 10 10 8 6 8 10 6 6 6 8 6
AVG CLOUDS CL FW FW FW FW B1 B2 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 SC
POP 12HR 0 10 50 60 30 50 40 40 20
RAIN SHWRS S C L C C C C C C C C C S S
TSTMS C S C C C S S S
$$
VAZ064-170800-
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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