EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Wed Aug 12 2026
MDZ025-122000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Wed Aug 12 2026
Date Wed 08/12/26 Thu 08/13/26 Fri 08/14/26
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 74 86 74 82
TEMP 75 78 80 79 78 76 76 75 76 81 83 85 80 77 77 75 76 81 82 80 77
DEWPT 72 72 71 71 72 72 72 72 73 72 73 73 74 74 74 73 74 73 73 72 71
MIN/MAX RH 75 91 66 97 73
RH 90 83 75 76 82 86 87 90 91 75 73 68 80 91 92 94 94 78 75 76 82
WIND DIR NW NW NW E SE S SW SW SW SW S S S SW SW SW NE N NE NE N
WIND DIR DEG 30 31 31 09 14 19 21 22 22 21 19 20 20 21 22 24 06 33 02 03 02
WIND SPD 9 8 6 4 4 6 8 6 8 6 9 8 8 5 6 6 6 8 9 8 9
CLOUDS B2 B1 SC SC SC SC B1 B1 SC SC SC SC B1 B1 B1 B1 B2 B1 B1 B1 B1
CLOUDS(%) 81 51 39 47 35 39 57 60 36 28 43 26 66 69 65 69 70 69 68 69 58
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 10 10 50 50
QPF 12HR 0.05 0 0 0.18 0.10
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C C C C C C C S
TSTMS S S S S S
MIX HGT 1700 1600 400 500 1300 1300 500 700 1500 1500
T WIND DIR N SE S SW W SW S N N NW
T WIND SPD 4 6 10 11 9 6 3 9 10 8
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 10 12 11 11 15 13 4 13 18 17
MAX LVORI 6 5 5 6 5 5 6 6 4 4
STABILITY C A E D B B E E B C
CEILING 12000 3200 30000 23500 5500 8000 4700 5500 11400 14800
PRESSURE 29.88 29.85 29.86 29.82 29.87 29.84 29.86 29.89 29.97 30.01
Date Sat 08/15/26Sun 08/16/26Mon 08/17/26Tue 08/18/26
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 72 80 71 80 75 85 72 81
TEMP 75 74 78 76 74 73 78 77 77 77 83 80 76 74 79 78
DEWPT 72 67 68 67 67 68 68 70 72 74 74 74 72 71 70 70
MAX/MIN RH 89 64 86 70 93 71 92 71
RH 89 79 70 74 79 84 73 78 85 92 74 82 89 92 75 78
WIND DIR NE N NE E S S S S SW SW W W NW N NE E
WIND SPD 10 11 10 6 5 3 11 16 18 13 11 8 8 9 8 4
AVG CLOUDS B1 SC FW FW SC SC SC SC B1 B1 B1 B1 SC FW FW FW
POP 12HR 20 5 5 20 40 30 20 10
RAIN SHWRS S S C S C S
TSTMS S S
$$
VAZ064-122000-
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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