EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Sun Aug 16 2026
MDZ022-162000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Sun Aug 16 2026
Date Sun 08/16/26 Mon 08/17/26 Tue 08/18/26
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 83 72 89 71 87
TEMP 72 80 81 80 75 74 74 74 76 83 88 90 83 76 75 73 73 82 86 87 79
DEWPT 70 67 67 67 68 71 73 74 75 75 74 74 74 73 72 70 71 71 68 67 66
MIN/MAX RH 62 100 60 97 52
RH 92 65 63 65 78 92 97 99 97 77 63 61 74 90 91 90 93 70 55 53 65
WIND DIR SE SE S S S S SW SW SW W W NW W W NW NW NW N N NW N
WIND DIR DEG 14 15 17 16 16 18 22 21 24 27 29 29 29 28 31 32 33 34 34 32 34
WIND SPD 3 6 9 10 8 8 8 6 5 6 8 6 2 2 2 3 3 4 4 4 1
CLOUDS B1 B1 B1 B2 B2 B2 B2 B2 B1 SC FW FW FW SC FW SC FW CL FW FW FW
CLOUDS(%) 55 51 66 81 74 86 85 79 67 29 16 22 16 34 20 27 14 4 17 10 9
VSBY 7 7 7 7 7 6 4 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 40 80 10 5 5
QPF 12HR 0.03 0.42 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C D L C
TSTMS S C S S
MIX HGT 3500 3100 700 1000 4500 5100 400 900 5400 5900
T WIND DIR S S S SW W W W N NW W
T WIND SPD 16 20 16 14 18 13 5 6 9 5
SMOKE DISP FR FR PR PR GD GD PR PR PR FR
ADI 67 63 17 18 91 103 3 11 53 63
MAX LVORI 4 3 5 8 4 4 6 6 4 4
STABILITY C C D D B B F F A A
CEILING 6300 6300 3500 6000 3200 26600 4700 3900 6300 4700
PRESSURE 30.07 30.01 29.92 29.80 29.79 29.76 29.79 29.80 29.86 29.84
Date Wed 08/19/26Thu 08/20/26Fri 08/21/26Sat 08/22/26
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 67 88 72 87 68 83 67 83
TEMP 69 71 87 81 74 74 85 79 70 70 82 76 70 71 81 77
DEWPT 66 67 66 68 71 73 73 71 68 69 69 68 68 70 70 69
MAX/MIN RH 92 49 97 63 100 63 100 67
RH 89 87 50 65 88 97 66 77 93 98 65 75 94 97 69 76
WIND DIR SW W SW S S SW W NE NE NE E E E NE SE E
WIND SPD 1 1 4 3 3 3 4 2 2 3 5 3 2 3 5 3
AVG CLOUDS FW FW CL CL FW B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 0 30 50 50 40 50 40
RAIN SHWRS C C C C C C C C C C C
TSTMS S S C S S C S S
$$
MDZ025-162000-
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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