EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Fri May 1 2026
MDZ022-012000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Fri May 1 2026
Date Fri 05/01/26 Sat 05/02/26 Sun 05/03/26
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 65 48 58 43 61
TEMP 49 59 64 64 54 50 49 49 51 55 56 56 52 49 46 43 46 54 59 61 56
DEWPT 40 36 35 38 40 44 45 46 47 46 46 47 46 45 40 39 39 35 34 32 33
MIN/MAX RH 34 90 67 86 34
RH 70 42 34 38 59 80 85 90 86 72 69 72 79 86 81 85 76 48 39 34 43
WIND DIR NW NW SW S S S S S NW N N N N N NW NW NW NW NW NW W
WIND DIR DEG 33 32 24 18 16 17 17 18 32 00 35 01 00 34 32 31 32 31 30 30 28
WIND SPD 4 4 3 9 4 3 3 2 3 4 5 5 5 4 6 5 8 10 10 10 2
CLOUDS FW FW FW FW FW SC B1 B2 OV OV OV OV OV B2 B1 SC FW FW FW FW FW
CLOUDS(%) 18 23 24 11 22 48 60 86 92 88 89 90 88 81 53 36 16 20 24 15 9
VSBY 7 7 7 7 7 7 7 7 7 7 4 4 7 7 7 7 7 7 7 7 7
POP 12HR 0 20 60 40 5
QPF 12HR 0 0 0.16 0.04 0
SNOW 12HR 00-00 00-00 00-00
RAIN S C C L L C C S S
MIX HGT 5500 5100 500 1100 2800 2800 800 2500 6800 7200
T WIND DIR NW SW S S N N N NW NW W
T WIND SPD 6 9 8 4 9 12 5 16 23 17
SMOKE DISP PR PR PR PR PR PR PR FR VG VG
ADI 42 51 6 4 38 39 6 83 117 113
MAX LVORI 2 3 5 7 4 4 6 5 1 2
STABILITY A B E F C C E F C B
CEILING 17100 17100 30000 9800 3200 1000 10800 7900 30000 30000
PRESSURE 29.95 29.92 29.88 29.85 29.87 29.81 29.79 29.82 29.94 29.93
Date Mon 05/04/26Tue 05/05/26Wed 05/06/26Thu 05/07/26
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 43 72 57 76 60 73 56 70
TEMP 46 53 69 65 60 60 74 67 62 62 71 67 61 59 66 62
DEWPT 37 44 42 47 48 51 51 52 54 56 57 57 55 54 48 47
MAX/MIN RH 89 37 74 43 85 61 86 49
RH 71 71 37 52 64 71 44 59 75 82 61 70 81 83 53 57
WIND DIR SW S SW S S SW S S S S S S SW SW W W
WIND SPD 2 4 10 9 9 9 12 10 9 9 11 9 6 8 10 6
AVG CLOUDS FW FW FW FW FW FW FW FW SC B1 B1 B2 B2 B1 B1 B1
POP 12HR 0 0 0 0 20 50 60 50
RAIN SHWRS S C C L C C C
TSTMS S
$$
MDZ025-012000-
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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