EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Tue Sep 22 2026
MDZ025-222000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Tue Sep 22 2026
Date Tue 09/22/26 Wed 09/23/26 Thu 09/24/26
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 74 67 72 65 69
TEMP 71 72 72 71 70 70 69 69 69 70 71 70 68 68 67 67 66 69 68 67 66
DEWPT 69 68 67 66 66 66 66 66 65 65 64 64 63 63 63 63 62 62 61 61 60
MIN/MAX RH 82 90 78 87 77
RH 92 86 84 84 87 87 88 90 89 84 80 80 83 86 85 86 86 79 78 80 80
WIND DIR E E NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND DIR DEG 07 07 06 06 05 06 05 05 05 05 04 04 05 04 04 04 04 04 03 03 03
WIND SPD 19 20 23 24 26 26 27 27 28 28 29 31 31 31 29 28 27 27 26 26 27
CLOUDS OV B2 OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2
CLOUDS(%) 92 87 95 97 96 96 97 96 93 89 90 94 92 88 85 85 80 76 76 79 82
VSBY 7 7 7 7 7 7 6 7 5 6 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 50 60 70 20 30
QPF 12HR 0.10 0.07 0.20 0.12 0.06
SNOW 12HR 00-00 00-00 00-00
RAIN C L C L L C S S S S
RAIN SHWRS C C C C C C C S
MIX HGT 2700 2800 2800 2800 3300 3500 3500 3500 4100 4000
T WIND DIR NE NE NE NE NE NE NE NE NE NE
T WIND SPD 29 32 35 35 36 40 39 34 34 35
SMOKE DISP GD GD GD GD VG VG VG VG VG VG
ADI 70 73 49 84 96 106 55 90 100 99
MAX LVORI 4 4 4 4 4 4 4 4 4 4
STABILITY D D D D D D D D D D
CEILING 1000 1700 1000 1000 1000 1700 10800 1700 1700 1000
PRESSURE 30.11 30.14 30.19 30.19 30.25 30.26 30.26 30.22 30.21 30.17
Date Fri 09/25/26Sat 09/26/26Sun 09/27/26Mon 09/28/26
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 61 70 60 70 60 70 62 71
TEMP 65 61 66 65 62 61 68 66 63 62 69 67 63 63 70 67
DEWPT 59 56 54 53 54 56 54 55 55 56 55 57 57 59 57 58
MAX/MIN RH 86 61 84 60 85 61 89 64
RH 84 83 64 65 76 85 62 68 77 83 62 71 82 86 64 72
WIND DIR N N N N N N N N N NW NW NW NW NW N NE
WIND SPD 23 21 19 19 17 17 16 14 12 12 11 10 8 10 10 8
AVG CLOUDS B2 B2 B1 SC B1 SC SC SC B1 B1 SC SC SC SC SC SC
POP 12HR 40 30 20 20 10 10 10 5
RAIN SHWRS S C C S S S S S
TSTMS S
$$
VAZ064-222000-
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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