EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sat Apr 18 2026
MDZ022-190800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Sat Apr 18 2026
Date 04/18/26 Sun 04/19/26 Mon 04/20/26 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 56 65 38 57 33
TEMP 56 59 62 64 64 55 50 52 50 47 43 39 45 53 55 55 48 43 37 34 39
DEWPT 54 56 57 59 58 45 41 37 34 32 30 32 33 30 27 23 22 23 23 23 24
MAX/MIN RH 93 54 75 29 62
RH 93 90 85 84 81 70 70 56 54 56 60 75 62 41 33 29 35 45 56 62 53
WIND DIR SE SE S S W NW NW NW NW NW W W NW NW NW NW NW N N N N
WIND DIR DEG 13 15 17 19 27 32 32 32 30 30 25 27 30 30 31 31 33 34 34 35 00
WIND SPD 6 6 8 8 11 16 13 10 4 3 2 3 4 9 10 10 4 4 3 3 4
CLOUDS B2 OV B2 B1 OV OV OV B2 SC FW FW FW SC SC SC SC FW FW CL CL CL
CLOUDS(%) 86 93 79 52 88 94 95 79 31 6 11 23 30 31 30 30 13 6 3 5 4
VSBY 2 4 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 60 0 20 5
QPF 12HR 0 0.07 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C S S
Obvis PF PF
MIX HGT 500 1400 3000 3000 500 1200 8100 8600 700 1900
T WIND DIR SE S NW NW W NW NW NW N N
T WIND SPD 9 11 29 12 3 2 6 11 5 6
SMOKE DISP PR PR GD FR PR PR GD VG PR PR
ADI 9 21 98 76 2 3 66 95 4 27
MAX LVORI 6 5 3 3 3 4 2 2 3 3
STABILITY D D D C F F B B F F
CEILING 1000 14800 3200 20800 30000 19000 6300 6300 30000 27700
PRESSURE 29.84 29.70 29.78 29.94 30.04 30.09 30.14 30.12 30.20 30.25
Date 04/21Wed 04/22/26Thu 04/23/26Fri 04/24/26Sat 04/25/26
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 57 42 70 48 73 52 78 55 72
TEMP 55 50 46 51 68 64 53 53 71 63 54 57 75 65 58 59 69 64
DEWPT 21 30 36 42 46 50 47 46 46 47 47 51 52 51 51 54 55 55
MIN/MAX RH 26 77 45 83 39 86 41 89 58
RH 26 45 68 71 45 60 78 77 41 57 78 80 44 60 77 85 60 73
WIND DIR W S S SW SW W N N NW S SW SW S SE SE SE SE SE
WIND SPD 4 4 5 8 9 3 3 3 5 3 2 3 6 4 4 4 9 5
AVG CLOUDS CL CL FW SC B1 B1 SC FW CL CL FW FW FW FW FW SC B1 B1
POP 12HR 0 5 20 5 0 0 5 10 30
RAIN SHWRS S S S C
$$
MDZ025-190800-
Assateague Island RAWS - Worchester MD
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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