EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sat Aug 15 2026
MDZ025-160800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Sat Aug 15 2026
Date 08/15/26 Sun 08/16/26 Mon 08/17/26 Tue
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 82 75 87 74
TEMP 77 76 75 75 76 79 80 80 78 76 76 77 78 82 85 85 80 78 76 75 75
DEWPT 71 71 70 69 69 69 69 70 71 73 75 75 76 75 75 75 75 75 75 73 73
MAX/MIN RH 87 69 100 71 98
RH 82 86 84 83 80 73 70 72 80 89 95 97 95 81 73 71 85 93 97 95 92
WIND DIR E E SE SE SE SE S S S S S SW SW W W W W W NW NW N
WIND DIR DEG 10 11 13 12 13 14 16 17 17 19 20 22 24 26 26 28 28 28 30 32 34
WIND SPD 5 6 5 5 9 10 12 14 17 17 18 14 12 10 9 9 4 4 4 6 6
CLOUDS FW FW SC SC B1 B1 B2 OV OV B1 B2 B2 B2 SC FW FW SC SC FW SC FW
CLOUDS(%) 21 18 28 39 54 69 72 88 88 68 72 76 77 43 23 20 26 35 23 28 20
VSBY 7 7 7 7 7 7 7 7 7 7 6 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 40 70 10 10
QPF 12HR 0 0.07 0.28 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C L C
TSTMS C C C
MIX HGT 800 1100 2400 2400 1100 1000 2500 2400 500 700
T WIND DIR E SE SE S S SW W SW SW NW
T WIND SPD 8 8 14 19 26 24 12 8 6 8
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 5 14 39 41 26 28 32 26 3 11
MAX LVORI 6 6 3 3 5 5 5 6 9 9
STABILITY F F C D D D C B F F
CEILING 14800 7200 7200 5600 4700 4600 8900 4700 6300 7200
PRESSURE 30.10 30.09 30.09 30.03 29.95 29.87 29.84 29.80 29.82 29.84
Date 08/18Wed 08/19/26Thu 08/20/26Fri 08/21/26Sat 08/22/26
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 83 72 83 75 84 72 80 71 80
TEMP 81 78 74 74 81 79 77 77 82 78 75 74 78 75 73 73 80 76
DEWPT 72 71 70 69 70 72 74 75 73 73 70 70 69 69 69 69 69 69
MIN/MAX RH 69 86 67 95 75 91 73 89 69
RH 75 78 85 84 70 79 90 95 80 84 86 90 76 77 85 87 74 76
WIND DIR NE SE W NW S S S SW S S N NE E E E E E E
WIND SPD 4 3 3 3 6 10 11 9 9 6 9 11 10 9 9 10 11 11
AVG CLOUDS FW FW FW FW FW FW FW SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 5 0 0 20 50 40 30 40 30
RAIN SHWRS S C C C S C C C C C C
TSTMS S S S S
$$
VAZ064-160800-
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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