EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Mon Apr 27 2026
MDZ022-280800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Mon Apr 27 2026
Date 04/27/26 Tue 04/28/26 Wed 04/29/26 Thu
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 39 66 48 66 52
TEMP 53 46 44 41 44 56 63 64 59 54 51 49 51 60 64 65 61 57 55 53 54
DEWPT 38 40 40 39 41 40 39 39 41 44 44 46 48 49 49 50 52 56 55 52 49
MAX/MIN RH 98 38 92 54 100
RH 57 78 87 93 90 55 42 40 52 70 77 87 89 67 58 58 72 96100 96 81
WIND DIR E NE NE N NE SE SE SE SE SE SE SE SE SE SE SE SE S SW NW NW
WIND DIR DEG 08 06 06 00 02 13 14 14 13 14 15 14 14 15 14 14 14 17 24 30 30
WIND SPD 4 2 1 1 1 4 6 5 3 2 2 2 3 8 10 10 9 6 6 10 11
CLOUDS FW FW FW SC SC SC B1 B2 B2 B1 B1 B2 B2 B2 OV OV OV OV B2 B1 B1
CLOUDS(%) 14 7 6 26 29 44 67 73 74 66 61 71 71 78 89 90 97 97 82 69 60
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 4 4 7 7 7
POP 12HR 0 5 10 60 90
QPF 12HR 0 0 0 0.15 0.37
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L D D C C S
TSTMS S
MIX HGT 500 500 4000 3300 600 1000 2300 2000 600 2200
T WIND DIR NE NE SE S S SE SE SE SW NW
T WIND SPD 4 2 8 6 5 5 16 18 12 21
SMOKE DISP PR PR PR PR PR PR PR PR PR FR
ADI 2 2 39 31 3 12 47 40 20 73
MAX LVORI 7 10 4 2 4 6 3 3 8 5
STABILITY F F A B F F C D D D
CEILING 23500 20800 14800 10800 3200 3200 2400 2400 1000 20800
PRESSURE 30.21 30.15 30.15 30.09 30.04 30.0 29.92 29.75 29.59 29.67
Date 04/30Fri 05/01/26Sat 05/02/26Sun 05/03/26Mon 05/04/26
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 65 43 65 46 60 43 63 46 70
TEMP 63 58 49 48 62 57 50 49 57 54 47 47 60 57 50 52 67 62
DEWPT 43 38 35 36 36 39 39 43 42 42 38 38 35 40 40 45 46 47
MIN/MAX RH 42 67 36 80 50 77 36 82 44
RH 47 46 58 63 38 50 67 80 56 64 72 71 39 53 68 77 46 58
WIND DIR NW NW NW NW W SW W N N NW NW NW W W SW W W S
WIND SPD 13 5 4 4 9 3 2 3 8 4 3 4 10 3 3 3 9 4
AVG CLOUDS SC FW FW FW FW SC B1 B1 B1 B1 SC FW FW FW FW FW FW FW
POP 12HR 20 0 5 30 40 20 5 5 10
RAIN SHWRS S C C C C S
$$
MDZ025-280800-
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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