EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Wed May 20 2026
MDZ025-210800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Wed May 20 2026
Date 05/20/26 Thu 05/21/26 Fri 05/22/26 Sat
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 62 65 56 60 55
TEMP 67 67 66 64 64 63 62 61 58 58 58 58 59 59 58 58 57 58 57 56 60
DEWPT 63 63 62 62 64 62 57 57 56 57 56 56 56 55 54 54 54 56 57 56 59
MAX/MIN RH 100 85 99 85 100
RH 87 88 89 93100 97 85 88 95 95 94 96 91 87 85 88 93 93 99100 97
WIND DIR S S S SW NE NE NE NE NE NE NE NE NE NE NE NE NE E NE NE NE
WIND DIR DEG 19 19 17 22 03 04 04 05 06 05 05 05 06 06 06 06 06 07 06 06 06
WIND SPD 16 14 9 6 5 14 19 20 18 17 17 19 20 20 19 20 19 18 17 17 13
CLOUDS SC SC SC B1 B2 OV B2 OV OV OV OV OV OV B2 B2 B2 OV OV OV OV OV
CLOUDS(%) 28 35 32 56 84 89 87 90 96 94 92 94 90 87 87 87 88 89 89 90 88
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 6 6 6 6 7
POP 12HR 5 30 50 70 70
QPF 12HR 0 0.06 0.05 0.04 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C C C L L L L L L C
MIX HGT 500 500 1400 1400 1200 1400 2000 1800 1400 1100
T WIND DIR S SW NE NE NE NE NE NE E E
T WIND SPD 12 6 18 26 23 27 27 26 24 25
SMOKE DISP PR PR PR PR PR PR FR FR PR PR
ADI 15 7 40 43 23 47 51 49 28 34
MAX LVORI 6 9 9 5 5 5 4 4 5 5
STABILITY D F D D D D D D D D
CEILING 30000 4700 300 1000 900 1000 1000 1000 1000 1000
PRESSURE 30.01 30.05 30.12 30.14 30.15 30.11 30.19 30.21 30.26 30.25
Date 05/23Sun 05/24/26Mon 05/25/26Tue 05/26/26Wed 05/27/26
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 63 57 69 60 69 60 70 60 70
TEMP 62 60 61 62 66 63 63 63 66 63 63 64 67 64 63 64 67 64
DEWPT 61 60 61 61 63 62 63 63 63 63 63 63 62 61 62 61 61 60
MIN/MAX RH 96 100 88 100 88 100 82 100 77
RH 97100100100 92 99100 99 90100100 95 83 91 97 91 80 88
WIND DIR E E SE SE S S N SW S S S NE SE S W NW S S
WIND SPD 10 6 6 6 9 8 8 6 8 5 3 3 5 3 3 3 5 4
AVG CLOUDS B2 B2 OV OV B2 B2 B2 B2 B2 B1 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR 50 80 50 40 40 60 40 30 20
RAIN SHWRS C C L D C C C C S C C L C S C C S S
TSTMS C C S S S S S S
$$
VAZ064-210800-
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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