EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Fri Aug 21 2026
MDZ022-212000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Fri Aug 21 2026
Date Fri 08/21/26 Sat 08/22/26 Sun 08/23/26
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 81 69 77 70 83
TEMP 68 75 80 80 73 71 70 70 71 74 76 76 74 72 71 71 72 79 82 81 75
DEWPT 67 67 67 68 68 68 68 68 70 72 72 73 73 71 71 71 71 72 71 71 69
MIN/MAX RH 66 98 87 100 70
RH 96 77 66 68 85 91 93 94 98 91 87 90 96 99 98100 97 79 70 72 82
WIND DIR N N NE NE E E E E E E SE SE SE S SW W W W W W W
WIND DIR DEG 35 01 03 06 09 09 08 08 08 11 13 13 15 20 23 27 26 26 25 27 25
WIND SPD 5 5 4 4 3 2 2 2 2 3 4 4 3 2 1 1 2 3 3 4 2
CLOUDS B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV B1 B1 B1 B1 SC B2 B2 SC
CLOUDS(%) 69 59 55 53 74 83 76 83 82 82 82 83 92 67 60 65 55 45 73 73 28
VSBY 7 7 7 7 7 7 7 6 5 6 4 4 7 7 7 7 7 7 6 6 7
POP 12HR 5 60 70 50 60
QPF 12HR 0 0.11 0.44 0.34 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C L L L L L C C S S L L
TSTMS S C C C S S C C
MIX HGT 3400 3400 700 800 2000 1800 600 800 4000 3500
T WIND DIR N N SE SE SE SE S S SW SW
T WIND SPD 9 4 5 4 17 16 13 9 18 17
SMOKE DISP PR PR PR PR PR PR PR PR GD GD
ADI 29 18 3 7 55 47 8 12 73 71
MAX LVORI 4 5 7 9 5 7 9 9 4 5
STABILITY C C F F B C F F B C
CEILING 1700 2400 13800 3200 5200 1100 1000 1700 1700 3200
PRESSURE 30.03 30.01 30.01 30.04 30.0 29.93 29.88 29.78 29.77 29.77
Date Mon 08/24/26Tue 08/25/26Wed 08/26/26Thu 08/27/26
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 65 81 63 81 65 82 69 82
TEMP 69 68 80 74 67 66 79 74 66 69 80 76 71 72 80 77
DEWPT 64 63 61 63 63 64 64 64 64 68 69 70 70 72 73 72
MAX/MIN RH 87 52 96 58 99 67 100 77
RH 85 84 52 69 86 93 60 72 93 96 70 82 96100 79 85
WIND DIR NW NW W SW NW NW W SW SW SE SE SE S S S SE
WIND SPD 3 3 5 1 1 2 3 2 1 2 6 4 3 3 6 3
AVG CLOUDS FW FW CL FW FW FW FW FW SC SC FW SC B1 B1 B1 B1
POP 12HR 5 5 5 5 5 20 40 50
RAIN SHWRS S C C C C
TSTMS S S S
$$
MDZ025-212000-
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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