EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri Jul 31 2026
MDZ025-010800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Fri Jul 31 2026
Date 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX 74 80 74 82 75
TEMP 75 74 75 74 76 78 79 78 76 76 76 75 76 79 80 80 78 77 77 76 77
DEWPT 70 72 72 72 73 72 72 72 71 73 73 73 74 73 73 74 74 76 76 75 77
MAX/MIN RH 94 80 95 79 100
RH 83 93 91 92 92 82 81 81 84 91 90 91 93 83 79 81 88 96 97 98100
WIND DIR S S S S S S S S S S S S S SE SE SE S S S S S
WIND DIR DEG 16 19 20 20 18 16 17 16 17 17 18 17 16 15 15 15 16 18 19 20 20
WIND SPD 5 6 6 4 4 8 10 12 12 12 11 8 9 10 11 12 13 16 17 14 14
CLOUDS FW FW FW FW FW SC SC SC B1 B1 B1 SC SC SC SC SC B2 B2 B2 B2 B2
CLOUDS(%) 11 8 18 18 24 28 44 31 65 53 53 35 42 38 38 43 80 80 76 76 76
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 6 6 6
POP 12HR 0 5 0 20 70
QPF 12HR 0 0 0 0.04 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S L L L L L
TSTMS C S S S
MIX HGT 600 500 1400 1300 1100 1300 1800 1600 1400 1400
T WIND DIR S S S S S S SE S S S
T WIND SPD 9 8 11 14 14 12 13 17 19 17
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 7 10 26 26 14 27 32 34 21 28
MAX LVORI 6 6 5 4 5 6 4 4 5 5
STABILITY F F B C D E C C D D
CEILING 4700 28900 5500 23500 20800 17100 20800 8000 10800 1700
PRESSURE 29.98 29.96 30.01 29.97 29.95 29.95 29.95 29.89 29.88 29.93
Date 08/03Tue 08/04/26Wed 08/05/26Thu 08/06/26Fri 08/07/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN 82 74 81 74 81 75 81 75 82
TEMP 80 79 76 76 79 77 76 75 79 78 77 77 80 79 76 76 80 78
DEWPT 75 75 76 75 75 74 75 75 75 75 75 76 76 76 75 76 76 75
MIN/MAX RH 85 100 87 100 86 98 87 99 86
RH 86 90100 99 88 91 97100 89 91 96 98 90 91 97 99 87 91
WIND DIR S S SW SW S S S SW S S SW SW S S SW SW S S
WIND SPD 16 14 11 8 10 10 9 6 11 12 11 9 11 12 10 8 10 10
AVG CLOUDS B2 B2 B1 B2 B1 B1 SC B1 SC SC SC SC SC SC B1 SC SC SC
POP 12HR 70 50 40 30 20 20 20 30 30
RAIN SHWRS L L C C C C C S S S S S C S S C
TSTMS S C C S S C C S S S S S S S
$$
VAZ064-010800-
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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