EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Mon Jul 20 2026
MDZ025-202000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Mon Jul 20 2026
Date Mon 07/20/26 Tue 07/21/26 Wed 07/22/26
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 81 74 84 76 84
TEMP 75 79 79 80 78 76 75 74 76 81 83 83 81 79 78 76 78 82 83 83 79
DEWPT 69 68 68 68 69 70 72 73 74 74 76 76 75 75 77 76 77 76 76 75 75
MIN/MAX RH 68 100 76 100 75
RH 81 71 69 68 73 81 89 98 96 81 78 79 83 90 98100 98 84 79 78 87
WIND DIR E E E SE SE SE SE S S S S S SW SW SW SW SW SW SW SW SW
WIND DIR DEG 06 09 10 11 13 14 15 17 20 20 19 19 21 21 22 22 23 23 23 23 23
WIND SPD 8 9 9 9 10 11 11 11 11 13 16 16 17 19 19 21 18 17 16 13 10
CLOUDS SC FW FW FW FW SC B1 B2 B2 B2 B1 OV OV OV OV OV OV OV OV OV B2
CLOUDS(%) 28 17 14 14 17 31 59 81 71 79 67 88 91 91 96 96 94 94 89 89 81
VSBY 7 7 7 7 7 7 7 7 6 6 6 6 6 6 4 4 4 4 4 4 4
POP 12HR 0 50 70 90 90
QPF 12HR 0 0.08 0.52 0.75 0.62
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L L L L D D D D D D D D L
TSTMS S S S L L L D D C C S S C C S
MIX HGT 2500 2300 1400 1400 1500 1500 2200 2100 1900 1800
T WIND DIR E SE SE S S S S S SW N
T WIND SPD 6 10 16 16 18 18 32 24 4 0
SMOKE DISP PR PR PR PR PR PR GD FR PR PR
ADI 24 24 19 24 32 28 48 48 34 0
MAX LVORI 4 4 5 5 4 4 4 5 6 6
STABILITY B C D D D D D D D D
CEILING 30000 6300 30000 300 4000 7200 2400 1000 1500 8000
PRESSURE 29.98 29.98 29.96 29.92 29.89 29.84 29.84 29.81 29.84 29.84
Date Thu 07/23/26Fri 07/24/26Sat 07/25/26Sun 07/26/26
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 71 78 71 74 71 75 71 77
TEMP 74 73 77 71 71 72 73 72 72 73 74 72 72 73 75 75
DEWPT 70 68 66 67 66 67 66 66 66 67 66 67 67 69 69 69
MAX/MIN RH 92 69 86 77 85 77 88 78
RH 89 85 71 85 83 84 78 81 83 83 77 83 85 86 80 83
WIND DIR NW NE NE NE NE NE NE NE NE NE NE E NW N SE S
WIND SPD 10 12 11 9 6 10 10 8 5 6 9 6 3 3 6 9
AVG CLOUDS B2 B1 B1 B1 SC FW SC SC B1 B1 B1 B1 SC SC SC FW
POP 12HR 70 30 20 10 10 10 20 10
RAIN SHWRS L C C C S S S
TSTMS S
$$
VAZ064-202000-
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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