EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Wed Sep 9 2026
MDZ025-092000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Wed Sep 9 2026
Date Wed 09/09/26 Thu 09/10/26 Fri 09/11/26
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 82 74 85 72 79
TEMP 75 79 80 80 78 77 77 75 76 81 83 83 80 77 75 73 73 77 78 77 75
DEWPT 68 68 68 68 67 69 70 70 71 70 72 72 73 73 73 72 71 67 66 65 66
MIN/MAX RH 65 85 67 98 66
RH 81 68 68 67 69 78 81 82 83 71 69 70 80 86 92 94 94 72 66 67 75
WIND DIR SW SW S S S S SW SW SW SW SW SW S SW W NW N N NE NE E
WIND DIR DEG 23 22 19 19 19 20 22 22 23 23 22 20 20 23 28 33 00 02 04 06 07
WIND SPD 9 10 14 16 17 18 20 19 17 13 10 11 10 8 6 9 10 10 10 9 4
CLOUDS SC SC FW FW FW FW FW FW FW FW CL FW B1 B1 B1 B1 B1 SC SC FW SC
CLOUDS(%) 30 32 21 16 12 18 15 22 12 8 5 13 65 65 52 58 51 33 31 25 31
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 10 50 5
QPF 12HR 0 0 0 0.03 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C
TSTMS S
MIX HGT 2100 1500 1600 1400 1700 1000 800 1400 2500 2000
T WIND DIR SW SW SW SW SW SW NW N NE NE
T WIND SPD 14 23 26 27 21 11 6 8 16 10
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 36 37 32 43 41 23 11 28 48 27
MAX LVORI 3 3 3 4 3 4 8 9 4 4
STABILITY C D D D D C D D C C
CEILING 5500 20800 30000 30000 13800 7700 4000 5500 4000 4700
PRESSURE 30.27 30.17 30.10 30.01 29.96 29.88 29.89 29.92 30.01 30.01
Date Sat 09/12/26Sun 09/13/26Mon 09/14/26Tue 09/15/26
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 80 74 82 74 81 74 81
TEMP 73 74 78 76 76 76 80 79 76 75 79 77 75 75 79 78
DEWPT 68 68 67 71 74 75 74 75 75 74 72 72 72 72 72 72
MAX/MIN RH 85 67 99 83 99 77 91 77
RH 82 82 68 85 94 97 83 90 99 97 80 85 90 91 79 82
WIND DIR E E SE SE SE S S S W N E E SE E SE S
WIND SPD 4 8 10 10 9 5 8 5 3 3 9 8 8 6 10 10
AVG CLOUDS SC SC SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC
POP 12HR 5 20 50 40 10 5 0 5
RAIN SHWRS S C C C S
TSTMS S S S
$$
VAZ064-092000-
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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