EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Tue Apr 21 2026
MDZ022-212000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Tue Apr 21 2026
Date Tue 04/21/26 Wed 04/22/26 Thu 04/23/26
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 59 45 70 51 75
TEMP 41 50 57 58 50 47 47 50 55 64 68 67 62 57 53 52 54 66 73 74 67
DEWPT 26 20 21 25 29 34 38 41 44 46 48 49 51 52 51 51 52 50 49 48 50
MIN/MAX RH 24 76 47 98 39
RH 56 30 24 28 43 62 71 72 66 52 48 52 69 83 93 97 92 57 43 40 55
WIND DIR N N NW S SE S S S S SW W W W NW NW NW NW NW NW W SW
WIND DIR DEG 01 34 29 17 15 16 17 18 20 23 25 26 29 30 32 32 32 33 31 29 24
WIND SPD 3 3 3 6 6 5 8 9 10 10 9 5 2 2 2 2 2 3 4 3 2
CLOUDS CL CL CL FW FW SC B1 B2 B2 B2 B1 B1 SC SC FW FW FW FW FW FW FW
CLOUDS(%) 4 3 2 6 6 29 58 74 71 70 69 64 42 32 18 21 18 13 10 7 7
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 10 40 10 0
QPF 12HR 0 0 0.05 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C
MIX HGT 4600 4300 500 800 2800 2700 300 700 4300 4200
T WIND DIR NW SW S S SW SW SW N NW W
T WIND SPD 6 6 11 17 18 9 3 3 8 11
SMOKE DISP PR PR PR PR PR PR PR PR FR FR
ADI 36 33 15 22 49 44 2 4 65 87
MAX LVORI 2 2 3 4 1 3 7 10 4 3
STABILITY A A F D C C F F A A
CEILING 23500 12700 8000 7200 13800 3200 4000 25800 27200 26600
PRESSURE 30.36 30.26 30.22 30.11 30.01 29.94 29.94 29.93 29.93 29.85
Date Fri 04/24/26Sat 04/25/26Sun 04/26/26Mon 04/27/26
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 53 72 51 63 50 60 46 64
TEMP 55 56 70 61 54 54 60 56 52 52 58 54 48 50 62 57
DEWPT 51 49 48 48 49 50 51 50 50 49 48 45 45 46 46 46
MAX/MIN RH 86 44 88 69 92 63 92 54
RH 85 77 45 62 83 87 72 80 92 89 69 71 88 86 56 67
WIND DIR W NE E E SE E E E NE NE NE NE NE NE E E
WIND SPD 2 2 5 3 3 4 10 8 6 9 10 8 4 5 9 4
AVG CLOUDS FW SC SC SC B1 B1 B1 B2 B2 B2 B2 B1 SC SC SC SC
POP 12HR 5 10 30 50 70 40 20 10
RAIN SHWRS C C C C L L C C S
$$
MDZ025-212000-
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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