EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Wed Aug 26 2026
MDZ022-262000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Wed Aug 26 2026
Date Wed 08/26/26 Thu 08/27/26 Fri 08/28/26
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 84 70 85 70 85
TEMP 66 79 83 83 75 72 72 72 74 82 83 83 77 73 72 71 73 80 83 82 76
DEWPT 64 63 62 64 66 67 68 68 71 71 71 71 72 72 72 71 72 73 73 73 72
MIN/MAX RH 49 96 65 100 71
RH 94 58 49 54 72 83 86 88 91 70 67 67 85 96 99100 97 79 71 74 88
WIND DIR N SW SW S S S S S S S S S S S SW S SW SW SW S SW
WIND DIR DEG 00 21 21 19 16 16 17 17 17 18 18 17 16 18 21 20 23 23 23 19 20
WIND SPD 0 3 5 8 4 4 4 3 4 9 9 8 3 3 3 2 2 3 3 3 2
CLOUDS FW FW B1 SC SC SC B1 B1 B1 B1 B1 SC SC B1 B1 B1 B2 B1 B2 B2 B2
CLOUDS(%) 20 18 52 35 38 35 53 61 52 59 60 46 47 60 58 69 70 61 78 78 77
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 7
POP 12HR 0 5 20 30 70
QPF 12HR 0 0 0.02 0.02 0.11
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C S S L L C
TSTMS S S C S C C S
MIX HGT 5600 5400 400 700 3900 3600 500 600 3800 3600
T WIND DIR SW S S S S S S SW SW W
T WIND SPD 5 10 6 6 13 8 8 9 9 8
SMOKE DISP FR FR PR PR FR PR PR PR PR PR
ADI 51 65 5 9 54 38 6 12 41 43
MAX LVORI 5 3 6 6 4 5 9 9 4 7
STABILITY A B F E C C F F B B
CEILING 18200 5500 17100 12000 6300 7200 7900 10800 8300 6800
PRESSURE 30.06 30.01 30.01 29.96 29.98 29.93 29.92 29.92 29.98 29.98
Date Sat 08/29/26Sun 08/30/26Mon 08/31/26Tue 09/01/26
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 68 83 68 84 70 89 73 90
TEMP 71 71 81 75 70 71 82 77 72 73 87 81 75 75 88 82
DEWPT 70 70 70 70 69 71 70 71 71 72 72 72 72 73 72 73
MAX/MIN RH 99 69 100 65 98 58 96 57
RH 97 97 69 84 97100 67 82 96 97 62 74 90 94 59 74
WIND DIR NW NE E E E E SE S S SW W S SW SW W S
WIND SPD 2 3 6 3 1 1 4 3 2 2 4 3 3 3 5 4
AVG CLOUDS B2 B2 B2 B2 B2 SC SC SC SC FW FW FW FW SC SC SC
POP 12HR 30 20 10 10 5 5 5 10
RAIN SHWRS C C S S
TSTMS S S
$$
MDZ025-262000-
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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