EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sun Apr 19 2026
MDZ022-200800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Sun Apr 19 2026
Date 04/19/26 Mon 04/20/26 Tue 04/21/26 Wed
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 37 57 31 57 44
TEMP 51 45 40 38 44 53 55 55 48 42 35 32 37 48 55 56 49 46 45 50 55
DEWPT 39 34 32 31 35 33 28 23 22 22 22 23 24 21 21 24 29 34 38 40 42
MAX/MIN RH 81 29 72 26 76
RH 63 65 73 76 69 45 35 30 35 44 59 69 58 34 26 29 46 63 76 69 61
WIND DIR NW NW S S W NW NW NW NW N N N N N NW S S S S S SW
WIND DIR DEG 30 32 19 19 25 30 31 31 33 33 34 34 00 34 30 18 16 17 18 19 21
WIND SPD 5 3 2 3 5 10 11 11 8 5 4 4 4 3 3 4 4 4 6 8 9
CLOUDS FW CL CL FW B1 B1 B1 SC FW FW CL FW CL CL CL CL FW FW SC B1 B1
CLOUDS(%) 21 3 4 22 56 52 63 44 14 6 5 6 5 4 3 5 9 23 46 55 57
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 5 10 0 0 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S
MIX HGT 600 1000 7800 8000 800 2100 5100 4800 600 1100
T WIND DIR W S W NW NW N NW S S S
T WIND SPD 4 3 18 19 8 6 6 2 11 12
SMOKE DISP PR PR EX EX PR PR PR PR PR PR
ADI 3 6 83 120 6 31 45 10 15 15
MAX LVORI 4 5 2 2 3 3 2 2 4 4
STABILITY F F C C F F A A F D
CEILING 30000 9800 6300 6600 6300 30000 23500 20800 9900 6300
PRESSURE 30.05 30.09 30.11 30.12 30.23 30.28 30.34 30.25 30.18 30.05
Date 04/22Thu 04/23/26Fri 04/24/26Sat 04/25/26Sun 04/26/26
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 71 50 75 52 75 54 70 52 64
TEMP 69 64 54 54 72 65 55 58 73 64 58 58 67 61 56 55 62 57
DEWPT 47 51 49 49 48 48 50 50 49 48 51 52 54 53 52 52 52 50
MIN/MAX RH 44 90 39 86 40 83 63 93 65
RH 45 63 83 83 42 54 84 76 43 56 79 80 63 75 88 92 71 77
WIND DIR W W N N NW S SW N E SE SE E E E E E E E
WIND SPD 8 2 2 3 4 3 2 3 6 4 4 4 8 5 4 5 8 5
AVG CLOUDS B1 B1 FW FW FW FW FW FW FW FW SC B1 B2 B1 B2 B2 B2 B1
POP 12HR 30 5 0 0 5 10 40 50 30
RAIN SHWRS S C S C C C S C
$$
MDZ025-200800-
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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