EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sat May 23 2026
MDZ025-240800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Sat May 23 2026
Date 05/23/26 Sun 05/24/26 Mon 05/25/26 Tue
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX 60 67 63 71 61
TEMP 61 61 61 62 63 64 64 66 65 65 65 64 65 67 70 68 65 65 65 64 63
DEWPT 60 61 60 62 63 63 63 64 64 64 65 64 65 66 66 65 64 65 65 64 63
MAX/MIN RH 100 92 100 85 100
RH 97100 99100 99 97 97 94 94 98 99100 98 97 86 90 98 99 99 98100
WIND DIR E E E SE SE S S S S S S S S S S S S S SW SW N
WIND DIR DEG 08 09 09 12 15 16 16 17 17 18 20 20 20 20 19 16 18 19 22 22 34
WIND SPD 18 16 10 8 8 9 10 10 10 11 11 10 10 9 10 10 6 5 4 3 3
CLOUDS OV OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 OV OV OV OV
CLOUDS(%) 94 92 93 94 88 87 84 85 81 84 85 87 85 84 80 80 81 89 90 90 88
VSBY 2 2 2 2 2 3 6 7 2 7 6 6 6 6 6 6 6 6 6 6 6
POP 12HR 70 80 70 70 70
QPF 12HR 0.09 0.22 0.09 0.07 0.27
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L C C L L L C S C L L L L L L L L L L L
TSTMS S S S S S S
Obvis PF PF PF PF PF PF PF
MIX HGT 800 400 500 500 500 600 600 600 500 500
T WIND DIR NE SE S S S S SW SW SW NE
T WIND SPD 9 6 9 13 13 11 13 8 2 3
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 10 6 15 16 13 14 16 13 4 4
MAX LVORI 9 9 9 6 7 8 6 9 10 10
STABILITY D D C D D D D D E F
CEILING 300 300 300 300 300 300 300 1900 4700 5000
PRESSURE 30.23 30.20 30.22 30.17 30.13 30.10 30.09 30.07 30.09 30.09
Date 05/26Wed 05/27/26Thu 05/28/26Fri 05/29/26Sat 05/30/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN 69 61 72 62 72 60 67 57 65
TEMP 67 62 63 65 69 66 65 66 69 65 64 63 64 61 61 61 63 60
DEWPT 65 62 63 64 66 65 65 64 62 61 60 58 56 55 56 56 54 54
MIN/MAX RH 93 100 87 100 75 91 71 89 72
RH 94100100 99 88 97100 94 78 87 88 84 74 81 84 84 73 80
WIND DIR E SE SW W S SW W W W E N N E E SE NE E SE
WIND SPD 4 3 1 2 3 4 3 3 5 4 4 8 9 6 6 10 10 9
AVG CLOUDS OV B2 B2 OV B2 B2 B2 B2 B2 B1 B1 B1 B1 SC SC B1 SC B1
POP 12HR 60 60 40 40 20 20 20 20 20
RAIN SHWRS L C C L C C C C S S S S S S S S S S
TSTMS S
$$
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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