EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Tue Apr 21 2026
MDZ022-220800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Tue Apr 21 2026
Date 04/21/26 Wed 04/22/26 Thu 04/23/26 Fri
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 46 71 51 76 52
TEMP 50 47 48 50 55 64 69 70 65 57 53 52 56 67 74 75 68 59 55 53 56
DEWPT 30 34 36 39 43 46 47 50 51 51 50 51 52 53 50 50 51 51 50 47 45
MAX/MIN RH 67 46 96 40 83
RH 46 60 63 66 65 52 46 48 61 81 88 96 87 61 44 41 54 75 83 80 66
WIND DIR S S S S S SW W W NE W W NW NW NW NW NW W SW NW NE E
WIND DIR DEG 15 16 17 18 20 23 25 27 02 26 26 32 33 33 30 29 25 22 32 06 06
WIND SPD 6 6 8 10 10 10 9 4 2 2 2 2 3 3 4 3 2 2 2 2 3
CLOUDS FW B1 B2 B2 B1 B1 B1 SC FW FW FW FW FW FW FW FW FW FW SC SC SC
CLOUDS(%) 12 54 71 75 67 52 64 50 20 17 10 17 21 17 13 11 14 22 30 38 45
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 40 5 0 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C
MIX HGT 600 1500 2900 3600 400 900 4600 4600 400 1200
T WIND DIR S S SW W S E S W S NE
T WIND SPD 12 16 18 13 2 5 5 12 3 6
SMOKE DISP PR PR FR FR PR PR FR GD PR PR
ADI 13 32 56 86 1 8 76 100 2 14
MAX LVORI 3 3 1 3 7 8 4 2 5 5
STABILITY D D D C F F A A F F
CEILING 9800 12700 5500 5000 4000 4000 30000 30000 30000 5500
PRESSURE 30.21 30.11 30.0 29.92 29.92 29.92 29.97 29.87 29.84 29.84
Date 04/24Sat 04/25/26Sun 04/26/26Mon 04/27/26Tue 04/28/26
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 68 49 60 48 58 44 63 49 69
TEMP 66 61 53 52 57 54 50 50 56 52 48 49 61 56 51 54 64 61
DEWPT 45 45 47 48 49 47 47 46 45 44 44 46 46 47 48 51 52 53
MIN/MAX RH 47 86 71 92 62 93 56 90 62
RH 47 57 80 86 75 78 89 87 66 75 87 89 58 72 89 90 65 MM
WIND DIR E E E E E E NE NE NE NE NE NE NE E E SE SE MM
WIND SPD 5 4 4 6 10 9 6 9 10 8 4 5 9 4 3 4 9 MM
AVG CLOUDS SC SC B1 B2 B2 B2 B2 OV B2 B1 B1 B1 B1 B1 SC B1 B1 B1
POP 12HR 10 40 50 70 50 30 20 30 50
RAIN SHWRS C C C C L L C C C S S S S C C C
$$
MDZ025-220800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
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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