EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Mon Aug 17 2026
MDZ022-172000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Mon Aug 17 2026
Date Mon 08/17/26 Tue 08/18/26 Wed 08/19/26
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 90 72 87 68 88
TEMP 75 82 87 88 82 78 75 74 74 82 85 85 78 74 71 69 72 82 86 87 80
DEWPT 75 75 74 74 75 75 74 73 74 74 72 72 70 69 67 66 68 68 67 68 68
MIN/MAX RH 60 100 63 91 52
RH 100 79 65 63 79 92 96 96 99 77 66 65 77 86 89 91 89 63 53 53 67
WIND DIR SW W W W W W W NW N N N N E NW NW NW NW W W SW S
WIND DIR DEG 23 27 29 29 25 26 25 30 35 35 34 35 09 33 30 31 32 28 25 23 19
WIND SPD 4 6 6 5 2 1 1 2 3 3 3 3 1 1 1 2 2 3 3 4 2
CLOUDS B1 SC SC SC SC SC B2 B1 SC FW B1 B1 SC FW FW FW FW CL CL FW FW
CLOUDS(%) 57 47 41 29 43 50 71 67 41 20 59 59 37 10 17 15 11 5 4 6 6
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 10 30 40 0 0
QPF 12HR 0 0 0.03 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S S C C
TSTMS S S S
MIX HGT 4400 4500 400 800 4300 4800 500 500 4600 4700
T WIND DIR W W W NW N N S SE SE SE
T WIND SPD 13 11 4 6 6 4 6 2 3 4
SMOKE DISP FR FR PR PR PR PR PR PR PR PR
ADI 71 82 2 10 28 16 3 2 22 18
MAX LVORI 4 4 8 8 5 4 6 8 4 3
STABILITY B B F F A B F F A A
CEILING 4700 6100 4000 4700 30000 3200 8000 300 300 4200
PRESSURE 29.80 29.76 29.76 29.79 29.84 29.81 29.84 29.85 29.87 29.84
Date Thu 08/20/26Fri 08/21/26Sat 08/22/26Sun 08/23/26
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 71 88 69 83 68 83 68 83
TEMP 73 75 86 79 72 72 80 77 71 71 80 76 71 71 80 77
DEWPT 70 73 74 73 72 72 73 71 71 71 74 72 71 71 72 70
MAX/MIN RH 96 68 100 73 100 74 100 69
RH 90 94 68 82 99100 79 82100100 82 87 99100 77 79
WIND DIR S SW S S NW NE NE E E E SW S SW SW SW SW
WIND SPD 2 2 4 3 2 3 4 3 2 3 4 3 2 3 4 2
AVG CLOUDS FW SC SC B2 B2 B1 B1 B2 B2 B2 B2 B2 B2 B1 B1 B1
POP 12HR 10 60 70 60 60 60 60 40
RAIN SHWRS S L L C C L L L L L L C C C
TSTMS S C S S S S S S
$$
MDZ025-172000-
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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