EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Sat Apr 18 2026
MDZ025-182000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Sat Apr 18 2026
Date Sat 04/18/26 Sun 04/19/26 Mon 04/20/26
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 57 54 61 46 55
TEMP 53 56 56 56 55 57 58 59 60 60 54 52 50 49 48 47 48 53 54 53 50
DEWPT 52 52 52 53 53 55 56 56 55 49 43 40 38 38 37 36 35 34 32 32 31
MIN/MAX RH 88 96 63 67 43
RH 97 88 88 90 95 95 93 90 85 66 66 64 62 65 66 66 60 48 43 46 48
WIND DIR NE E E E SE S S S W NW NW NW NW NW W W NW NW NW NW N
WIND DIR DEG 06 07 09 11 13 16 18 20 25 32 32 32 32 31 26 25 30 30 30 33 34
WIND SPD 9 10 10 10 10 11 14 14 13 20 18 13 10 9 8 9 10 11 13 12 12
CLOUDS B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 OV B2 B1 FW FW FW FW SC SC SC SC
CLOUDS(%) 52 60 53 56 64 65 68 76 81 85 89 84 61 16 6 13 22 39 38 47 40
VSBY 1 2 1 1 1 2 7 7 6 6 6 6 7 7 7 7 7 7 7 7 7
POP 12HR 0 10 70 10 20
QPF 12HR 0 0 0.06 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L L L S S
Obvis F+ PF PF PF F+ PF
MIX HGT 700 600 500 800 2800 2700 1200 1200 6500 6300
T WIND DIR E E S SW NW NW W W NW NW
T WIND SPD 12 14 19 23 31 18 10 14 16 20
SMOKE DISP PR PR PR PR GD GD PR PR VG VG
ADI 14 17 21 23 77 62 11 24 96 96
MAX LVORI 6 5 5 5 3 3 3 3 1 2
STABILITY C D D D D D E E C C
CEILING 26600 300 300 300 4500 8900 30000 30000 5000 5500
PRESSURE 30.02 30.01 29.89 29.77 29.82 29.97 30.09 30.14 30.20 30.17
Date Tue 04/21/26Wed 04/22/26Thu 04/23/26Fri 04/24/26
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 41 53 47 64 52 62 52 65
TEMP 44 42 50 47 50 53 62 58 55 54 60 56 55 55 62 59
DEWPT 29 29 26 33 41 45 47 49 50 49 47 47 50 50 49 51
MAX/MIN RH 59 39 80 58 86 60 85 62
RH 56 59 39 58 71 77 58 73 83 84 63 72 85 83 64 76
WIND DIR N N E S S SW SW S NW N E S SW W SE S
WIND SPD 12 10 5 10 13 12 10 5 5 6 6 4 5 5 9 10
AVG CLOUDS FW FW CL CL FW FW FW SC SC FW FW FW FW FW FW FW
POP 12HR 10 0 5 20 10 0 0 5
RAIN SHWRS S
$$
VAZ064-182000-
Ft AP Hill RAWS - Caroline VA
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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