EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sun Jul 19 2026
MDZ025-200800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Sun Jul 19 2026
Date 07/19/26 Mon 07/20/26 Tue 07/21/26 Wed
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 75 86 76
TEMP 78 77 75 75 75 78 79 80 78 76 76 75 77 81 84 84 82 79 78 77 78
DEWPT 70 70 70 69 68 67 67 68 68 69 71 73 74 75 76 77 76 76 76 76 76
MAX/MIN RH 84 66 97 78 98
RH 77 81 83 82 79 69 67 68 72 79 85 94 91 81 79 79 84 92 94 97 94
WIND DIR E NE N NE E E E SE SE SE SE SE S S S S S SW SW SW SW
WIND DIR DEG 07 04 01 04 07 08 10 12 13 13 14 15 16 19 20 20 20 21 22 23 22
WIND SPD 5 3 6 5 6 9 9 9 10 11 11 10 11 12 14 16 19 20 20 21 18
CLOUDS FW FW SC SC SC FW FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 OV OV OV
CLOUDS(%) 25 24 26 26 26 18 21 10 25 40 65 83 83 82 76 76 82 85 92 92 88
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 6 6 4 4 4 4 4 4 4
POP 12HR 5 5 50 70 90
QPF 12HR 0 0 0.14 0.41 1.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L L L L D D D
TSTMS C C C C L L C C C C S
MIX HGT 800 1300 1700 1800 1600 1400 1700 1800 2100 2300
T WIND DIR E E E E E SE S SW S SW
T WIND SPD 6 12 14 10 11 9 17 27 34 28
SMOKE DISP PR PR PR PR PR PR PR GD GD FR
ADI 5 29 32 24 14 20 38 50 48 43
MAX LVORI 5 5 3 4 5 6 5 4 4 4
STABILITY F F B B D D D D D D
CEILING 3200 4000 4700 5500 30000 30000 300 14300 1000 1000
PRESSURE 29.87 29.89 29.95 29.96 29.96 29.93 29.92 29.84 29.88 29.80
Date 07/22Thu 07/23/26Fri 07/24/26Sat 07/25/26Sun 07/26/26
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 84 70 76 70 76 71 78 71 79
TEMP 83 79 74 71 74 73 71 72 75 74 73 73 76 75 73 73 77 76
DEWPT 76 75 70 67 65 66 65 66 65 66 66 67 67 67 68 70 70 70
MIN/MAX RH 75 91 71 85 70 85 72 90 77
RH 80 87 89 86 74 79 81 83 72 77 80 84 73 78 85 90 81 81
WIND DIR SW SW NW N NE NE N N NE E E NE E SE SW SW SE MM
WIND SPD 14 12 11 11 9 5 6 9 10 6 5 5 8 6 5 5 9 MM
AVG CLOUDS OV OV B2 B1 SC SC SC FW FW SC SC SC SC SC SC SC SC FW
POP 12HR 80 70 30 20 20 20 20 10 10
RAIN SHWRS D D L C C S S S S S S S S
TSTMS C D S
$$
VAZ064-200800-
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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