EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Wed Apr 22 2026
MDZ022-222000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Wed Apr 22 2026
Date Wed 04/22/26 Thu 04/23/26 Fri 04/24/26
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 71 51 76 51 68
TEMP 55 64 69 69 65 58 54 52 55 67 74 75 67 58 54 53 56 63 66 64 55
DEWPT 46 47 47 49 51 53 52 51 52 51 50 48 51 51 50 48 46 43 42 41 44
MIN/MAX RH 45 98 38 86 42
RH 72 54 45 49 60 86 93 96 89 57 43 38 55 77 86 83 69 47 43 43 66
WIND DIR S SW W W SE E NE N N NW NW NW SW SW SW NE NE E E E E
WIND DIR DEG 20 23 26 28 13 08 05 00 00 33 31 29 24 20 23 05 06 07 08 10 11
WIND SPD 11 10 9 6 3 2 2 2 3 3 4 3 2 2 2 2 3 4 5 5 4
CLOUDS SC B1 B2 B1 SC FW FW FW FW FW FW FW FW FW FW SC SC SC SC FW B1
CLOUDS(%) 46 58 80 59 36 22 11 17 21 10 13 10 7 16 24 30 41 43 28 22 59
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 30 5 0 5 10
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C
MIX HGT 2900 2900 300 500 4400 4300 300 600 2700 2200
T WIND DIR SW W SW E S W SW N NE E
T WIND SPD 16 13 2 4 8 12 5 4 6 3
SMOKE DISP PR FR PR PR FR GD PR PR PR PR
ADI 51 61 2 7 79 95 3 9 19 7
MAX LVORI 3 3 7 9 4 3 6 6 2 3
STABILITY C C F F A A F F A B
CEILING 17100 5500 4700 30000 24600 4700 26600 26600 4700 18200
PRESSURE 30.01 29.92 29.92 29.90 29.92 29.84 29.84 29.84 29.84 29.81
Date Sat 04/25/26Sun 04/26/26Mon 04/27/26Tue 04/28/26
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 51 60 48 61 47 63 49 66
TEMP 52 53 57 54 50 49 58 54 48 50 61 56 51 54 64 62
DEWPT 47 48 47 48 47 46 44 43 43 44 45 45 47 51 55 55
MAX/MIN RH 86 70 92 53 85 55 89 70
RH 83 83 71 82 90 89 59 67 82 82 57 66 86 90 72 81
WIND DIR E E E E NE NE NE NE NE NE NE E E E SE S
WIND SPD 4 6 10 9 8 10 10 8 4 5 9 5 4 5 9 5
AVG CLOUDS B1 B2 B2 B2 B2 OV B2 B1 SC B1 B1 B1 B1 B1 B2 B2
POP 12HR 30 60 70 30 20 20 30 60
RAIN SHWRS C S C L L C C C S S S S C C C L
TSTMS S S S
$$
MDZ025-222000-
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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