EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Mon Aug 17 2026
MDZ025-172000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Mon Aug 17 2026
Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26
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 85 75 84 73 85
TEMP 77 81 83 83 78 77 76 75 77 80 81 80 78 76 75 73 74 80 82 83 79
DEWPT 76 75 75 75 75 76 76 75 75 75 74 74 73 72 71 70 70 70 70 71 72
MIN/MAX RH 74 100 76 91 66
RH 97 84 78 78 90 97 99 99 96 83 80 81 85 88 89 89 87 70 68 67 78
WIND DIR SW W W W SW SW W NW N N NE NE NE NW NW NW NW N S S S
WIND DIR DEG 23 25 25 26 24 24 28 30 34 35 05 05 05 33 31 32 33 34 18 19 20
WIND SPD 10 10 8 6 3 3 3 3 4 4 4 3 2 3 3 3 3 3 4 8 6
CLOUDS B1 SC SC SC SC SC B1 B2 B1 FW B1 B1 SC FW FW FW FW FW FW FW FW
CLOUDS(%) 55 43 37 30 40 45 67 75 53 24 61 61 43 15 14 16 13 8 7 6 9
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 10 30 40 0 0
QPF 12HR 0 0 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C S C C
TSTMS S S S
MIX HGT 1000 900 500 500 900 700 500 500 1600 1600
T WIND DIR W W SW NW N E SE SE SE E
T WIND SPD 12 9 5 6 10 9 6 3 4 9
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 18 11 5 11 12 10 4 5 14 17
MAX LVORI 6 6 9 9 6 6 6 7 5 4
STABILITY C B F E A A F F A B
CEILING 4000 30000 4700 4700 30000 30000 4200 300 1300 4000
PRESSURE 29.84 29.79 29.81 29.82 29.87 29.86 29.89 29.89 29.92 29.89
Date Thu 08/20/26Fri 08/21/26Sat 08/22/26Sun 08/23/26
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 76 84 73 81 73 81 72 81
TEMP 77 78 82 79 76 75 79 77 75 75 79 77 75 74 79 77
DEWPT 73 75 75 74 74 73 73 72 73 73 74 73 73 73 72 71
MAX/MIN RH 93 81 96 80 96 80 97 77
RH 87 91 81 87 94 95 84 85 93 95 86 86 94 96 81 81
WIND DIR S SW S S W NE E E E NW SW S SW SW SW SW
WIND SPD 8 4 9 8 6 8 9 8 8 8 9 9 8 8 6 5
AVG CLOUDS FW FW SC B1 B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 5 50 70 50 70 60 60 40
RAIN SHWRS C L L C C L L L L L C C C
TSTMS C S S C S S S
$$
VAZ064-172000-
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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