EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Tue Jul 21 2026
MDZ025-212000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Tue Jul 21 2026
Date Tue 07/21/26 Wed 07/22/26 Thu 07/23/26
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 86 75 82 71 78
TEMP 78 82 85 85 82 78 77 76 77 80 81 81 78 75 73 72 73 76 77 77 75
DEWPT 75 75 76 76 75 76 75 74 75 75 74 74 74 74 72 68 68 66 65 65 65
MIN/MAX RH 74 96 76 98 63
RH 90 80 76 76 81 94 95 96 96 86 79 78 87 98 97 89 84 72 67 65 70
WIND DIR S S S S SW SW SW SW SW SW SW SW SW SW W N N N NE NE NE
WIND DIR DEG 19 20 19 20 22 21 21 22 23 22 22 21 23 22 27 35 02 02 03 04 05
WIND SPD 11 13 14 17 18 20 23 21 19 17 16 14 11 9 9 11 13 13 12 11 10
CLOUDS B2 B2 B2 OV B2 B2 OV OV B2 B2 B2 B2 OV OV B2 B2 B1 B2 B1 SC SC
CLOUDS(%) 73 70 76 90 87 85 93 88 84 71 76 76 94 94 79 80 68 73 55 38 40
VSBY 7 7 7 4 4 4 4 4 4 4 4 4 4 4 4 4 7 7 7 7 7
POP 12HR 70 70 70 70 30
QPF 12HR 0.59 1.03 0.74 1.36 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C L L L L L L L L L L L L L C C
TSTMS S C C L L L L L L L L L L L L L
MIX HGT 1900 1600 2000 2200 2100 1600 1300 1800 2900 2800
T WIND DIR S S SE SW SW SW SW SE N NE
T WIND SPD 18 18 11 25 34 20 16 21 25 12
SMOKE DISP PR PR PR FR GD FR PR FR GD PR
ADI 33 30 24 50 71 58 20 50 63 36
MAX LVORI 4 4 7 4 4 5 6 5 3 3
STABILITY D D D D D D D D D C
CEILING 4000 8000 5500 4700 1000 5400 3200 1000 1000 5500
PRESSURE 29.87 29.79 29.76 29.73 29.77 29.84 29.88 29.85 29.98 30.07
Date Fri 07/24/26Sat 07/25/26Sun 07/26/26Mon 07/27/26
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 70 78 71 76 71 78 73 81
TEMP 72 72 77 74 73 72 75 73 72 72 76 75 74 75 79 77
DEWPT 64 66 66 67 68 70 70 69 70 70 70 70 71 73 74 73
MAX/MIN RH 83 68 92 82 96 81 96 82
RH 76 80 69 79 85 92 85 87 92 93 81 85 91 94 85 87
WIND DIR NE NE NE E E NE NE NE N N E S SW SW S S
WIND SPD 9 11 11 10 8 8 10 6 4 4 6 6 6 6 10 8
AVG CLOUDS SC SC SC SC B1 B1 B2 B1 B1 SC SC SC B1 SC SC SC
POP 12HR 20 20 50 50 30 20 30 30
RAIN SHWRS S S C C C C C C S C C S C
TSTMS S S S C S S
$$
VAZ064-212000-
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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