EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Sat Sep 19 2026
MDZ025-192000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Sat Sep 19 2026
Date Sat 09/19/26 Sun 09/20/26 Mon 09/21/26
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 76 71 78 71 76
TEMP 72 74 75 73 73 72 72 72 73 75 76 76 75 75 75 73 71 74 75 73 71
DEWPT 68 67 67 67 67 66 66 66 67 67 67 69 70 72 72 72 70 69 68 67 66
MIN/MAX RH 77 83 75 99 78
RH 88 79 77 80 81 79 81 81 82 76 75 79 85 91 92 95 98 85 80 80 84
WIND DIR NE NE NE E E E E SE SE SE S S S S SW W N NE NE NE NE
WIND DIR DEG 04 05 06 08 09 11 11 12 13 15 17 18 18 20 22 28 34 02 04 04 05
WIND SPD 12 12 11 12 14 13 12 11 11 11 10 10 11 10 8 6 8 16 17 17 19
CLOUDS SC SC B1 SC SC SC SC SC SC SC SC SC SC SC B1 B2 B2 B2 B2 B2 B2
CLOUDS(%) 41 43 51 49 50 42 43 31 28 29 28 30 36 36 61 74 71 73 77 78 83
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 10 5 20 30 40
QPF 12HR 0.01 0 0 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C C C C C S
TSTMS S
MIX HGT 2300 2500 2500 2300 2400 2000 1100 1300 2000 2200
T WIND DIR NE E E SE S S S SW SW SE
T WIND SPD 14 16 16 14 13 13 18 14 9 6
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 32 36 25 40 39 33 18 20 19 13
MAX LVORI 4 3 4 4 3 4 5 8 5 5
STABILITY D D D D C C D E D D
CEILING 30000 12700 9800 7200 4800 4800 4000 4000 4000 3200
PRESSURE 30.09 30.09 30.09 30.07 30.04 29.97 29.93 29.89 29.89 29.86
Date Tue 09/22/26Wed 09/23/26Thu 09/24/26Fri 09/25/26
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 69 74 68 73 66 72 62 70
TEMP 70 69 72 69 68 68 72 69 68 68 70 67 64 64 68 65
DEWPT 66 67 64 63 63 65 64 63 64 65 63 61 60 61 58 57
MAX/MIN RH 92 75 90 78 93 79 91 67
RH 89 92 77 78 84 90 80 80 86 95 81 81 88 90 71 73
WIND DIR NE NE NE NE NE NE NE NE NE NE NE N N N N N
WIND SPD 19 21 25 29 28 28 28 33 31 29 28 32 26 24 19 23
AVG CLOUDS B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B1 B1
POP 12HR 40 50 40 50 50 40 40 30
RAIN SHWRS S C C C C C C C C C C C C S C C
TSTMS S S S
$$
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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