EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Fri Aug 21 2026
MDZ025-212000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Fri Aug 21 2026
Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26
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 77 73 78 74 81
TEMP 71 73 75 75 75 75 75 74 74 75 77 77 76 76 75 75 75 78 80 79 77
DEWPT 69 69 69 69 69 70 70 71 72 72 73 73 73 73 73 73 73 72 72 72 71
MIN/MAX RH 80 90 87 96 77
RH 93 85 81 81 82 85 85 89 92 89 87 89 90 91 94 96 94 83 77 80 84
WIND DIR N N NE E E E E E E E SE S S SW SW W W W SW SW SW
WIND DIR DEG 00 01 04 07 08 09 09 08 10 11 13 16 18 21 22 26 26 25 22 24 24
WIND SPD 11 10 10 10 8 6 6 6 8 9 10 9 8 6 5 5 4 4 6 8 5
CLOUDS B2 B1 SC SC B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B1 B1 B1 SC B1 B1 SC
CLOUDS(%) 74 60 49 45 73 82 75 83 82 78 81 87 92 73 60 59 53 47 69 69 39
VSBY 7 7 7 7 7 7 7 6 6 6 6 6 7 7 7 7 7 7 7 7 7
POP 12HR 5 60 70 50 50
QPF 12HR 0 0.09 0.37 0.19 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C L L L L L C C S S C C
TSTMS S C C C S S S C C
MIX HGT 2500 2300 1600 1500 1800 1400 1200 1100 1600 1300
T WIND DIR N E E SE SE S S S SW SW
T WIND SPD 11 4 6 9 18 20 24 23 27 20
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 29 16 8 23 42 40 23 31 58 40
MAX LVORI 4 4 5 6 4 4 5 5 4 5
STABILITY D C E E C C E E C B
CEILING 1700 23500 11700 6300 1600 1700 3600 1700 1700 23500
PRESSURE 30.06 30.05 30.05 30.07 30.03 29.98 29.93 29.84 29.82 29.84
Date Mon 08/24/26Tue 08/25/26Wed 08/26/26Thu 08/27/26
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 70 79 71 80 73 82 75 83
TEMP 74 71 78 76 74 73 78 76 75 75 80 78 76 76 80 79
DEWPT 68 64 62 64 66 66 65 66 68 69 70 71 72 73 74 74
MAX/MIN RH 85 58 81 62 84 71 93 78
RH 82 78 58 66 77 80 64 71 80 82 73 80 87 90 83 87
WIND DIR NW NW SW SW SW NW SW SW SW E SE S S S S S
WIND SPD 6 8 5 4 4 5 4 5 4 5 10 12 12 10 10 11
AVG CLOUDS SC FW CL CL FW FW SC FW SC SC FW SC B1 B1 B1 B1
POP 12HR 5 5 10 5 10 20 40 50
RAIN SHWRS S C C C C
TSTMS S S S
$$
VAZ064-212000-
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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