EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Sun Jul 19 2026
MDZ025-192000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Sun Jul 19 2026
Date Sun 07/19/26 Mon 07/20/26 Tue 07/21/26
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 84 73 81 75 85
TEMP 78 81 82 81 79 77 76 75 76 79 79 79 78 77 76 76 77 80 81 82 82
DEWPT 75 73 73 71 71 71 70 69 70 69 68 69 69 71 72 73 76 76 78 78 77
MIN/MAX RH 71 84 69 94 85
RH 91 78 73 72 77 82 83 82 82 71 70 71 75 81 86 90 95 88 91 88 86
WIND DIR W NW N E E NE N NE E E E SE SE SE SE SE S S S S S
WIND DIR DEG 28 30 35 07 07 04 01 04 07 08 10 12 13 13 14 15 16 19 20 20 20
WIND SPD 10 9 10 9 5 3 6 5 6 9 9 9 10 11 11 10 11 12 14 16 19
CLOUDS B2 B1 SC SC FW FW SC SC SC SC FW FW SC B1 B1 B1 B2 B2 B2 B2 B2
CLOUDS(%) 70 56 49 34 25 24 26 26 26 28 23 17 33 55 69 69 84 84 81 81 84
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 6 6 4
POP 12HR 10 5 5 50 80
QPF 12HR 0 0 0 0.04 0.20
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C D D L L D
TSTMS S C C S S C C C
MIX HGT 1300 700 800 1400 1700 1800 1500 1400 1700 1800
T WIND DIR N SE E E E E E SE S SW
T WIND SPD 5 6 6 12 14 10 11 9 17 27
SMOKE DISP PR PR PR PR PR PR PR PR PR GD
ADI 15 8 5 29 32 24 14 20 38 50
MAX LVORI 4 4 5 5 3 4 5 6 5 4
STABILITY C B F F B B D D D D
CEILING 4800 3200 3200 4000 4700 5500 30000 30000 300 14300
PRESSURE 29.81 29.82 29.87 29.89 29.95 29.96 29.96 29.93 29.92 29.84
Date Wed 07/22/26Thu 07/23/26Fri 07/24/26Sat 07/25/26
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 72 78 71 79 72 80
TEMP 79 79 83 80 75 73 76 75 72 73 76 75 73 73 77 76
DEWPT 77 78 78 75 71 68 66 67 66 67 66 67 68 69 69 69
MAX/MIN RH 97 78 92 68 83 68 88 74
RH 94 96 84 88 88 84 73 75 81 82 72 76 84 88 77 79
WIND DIR SW SW SW SW NW N NE NE N N NE E E NE E SE
WIND SPD 20 18 14 12 11 11 9 5 6 9 10 6 5 5 8 6
AVG CLOUDS B2 OV B2 B2 B2 B1 B1 SC FW FW FW SC B1 B1 B1 SC
POP 12HR 80 80 60 30 20 20 20 20
RAIN SHWRS D D D L L C C S S S S S S S
TSTMS C C C C C
$$
VAZ064-192000-
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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