EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Sun Aug 16 2026
MDZ025-162000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Sun Aug 16 2026
Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
MAX/MIN 81 75 87 74 83
TEMP 76 79 79 79 77 76 76 76 78 82 84 86 81 77 77 75 75 80 82 81 78
DEWPT 70 69 69 69 71 73 75 75 75 75 75 74 75 75 74 72 72 72 72 71 71
MIN/MAX RH 68 100 66 96 69
RH 81 71 71 71 82 91 97 97 91 79 74 68 82 94 93 91 90 76 71 71 79
WIND DIR SE SE S S S S S SW SW W W W W W NW NW NW N NE E SE
WIND DIR DEG 13 15 16 17 17 18 20 21 23 25 27 28 26 28 30 32 33 35 05 08 12
WIND SPD 6 10 11 13 16 17 18 16 11 10 9 8 4 4 5 6 8 5 4 4 3
CLOUDS SC SC B1 B2 B1 B2 OV B2 B2 SC FW FW FW SC SC SC FW FW FW FW FW
CLOUDS(%) 47 43 60 77 68 86 91 77 72 36 15 23 19 39 30 35 18 8 12 11 16
VSBY 7 7 7 7 7 6 4 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 30 80 10 5 5
QPF 12HR 0.02 0.39 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C D L C S
TSTMS S S S
MIX HGT 2000 2000 1700 1100 1200 1000 400 700 2300 2100
T WIND DIR S S S SW W W W NW N E
T WIND SPD 14 19 27 25 17 10 6 6 8 5
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 36 37 32 33 31 16 4 11 21 13
MAX LVORI 3 4 5 5 4 5 8 8 4 4
STABILITY B D D D C B F F B A
CEILING 6300 6300 4000 2400 3600 23500 4700 30000 7600 4700
PRESSURE 30.12 30.05 29.96 29.85 29.84 29.79 29.84 29.84 29.90 29.88
Date Wed 08/19/26Thu 08/20/26Fri 08/21/26Sat 08/22/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MIN/MAX 73 84 75 83 72 80 73 80
TEMP 75 74 82 79 77 77 81 78 75 74 78 77 75 75 78 78
DEWPT 70 69 70 72 74 75 74 73 71 71 70 70 71 71 71 71
MAX/MIN RH 89 65 96 77 92 74 90 75
RH 85 84 67 79 90 96 81 84 90 91 78 80 86 87 79 81
WIND DIR W NW S S S SW S SE NE NE E E SE NE E E
WIND SPD 3 3 6 9 11 8 9 6 8 10 10 10 9 8 10 10
AVG CLOUDS FW FW CL CL FW SC SC B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 0 20 50 50 40 50 40
RAIN SHWRS S S C C C C C C C C C
TSTMS S S C S S S C S S
$$
VAZ064-162000-
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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