EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Thu Aug 13 2026
MDZ022-132000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Thu Aug 13 2026
Date Thu 08/13/26 Fri 08/14/26 Sat 08/15/26
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 71 85 69 84
TEMP 75 84 89 88 82 77 75 72 75 82 85 83 77 74 72 70 71 79 82 81 76
DEWPT 72 72 70 69 72 71 70 70 71 72 71 71 71 71 70 69 70 69 68 66 68
MIN/MAX RH 52 92 63 100 59
RH 90 66 54 54 72 83 85 92 87 72 63 68 82 90 93 97 96 71 63 60 76
WIND DIR SW NW W NW W SW W N NE NE E E E S NE N N NE NE E E
WIND DIR DEG 24 30 28 29 26 22 28 33 03 06 07 07 10 19 03 01 02 05 06 08 11
WIND SPD 2 5 6 8 2 1 1 2 3 4 4 4 3 2 2 3 4 5 5 6 3
CLOUDS SC FW SC SC SC SC SC SC SC B1 B1 B2 B2 B1 B1 B1 SC SC SC SC SC
CLOUDS(%) 40 18 46 34 29 46 48 46 38 55 66 75 73 56 52 54 43 40 48 46 48
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 5 5 20 40 10
QPF 12HR 0 0 0.13 0.13 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C C S
TSTMS S S S
MIX HGT 5100 5000 500 500 2400 2200 500 900 4000 3800
T WIND DIR NW W W NW E E E NE NE E
T WIND SPD 11 11 3 3 5 10 9 14 16 9
SMOKE DISP FR GD PR PR PR PR PR PR FR FR
ADI 71 88 2 3 18 25 5 19 66 57
MAX LVORI 3 3 6 7 4 4 7 7 4 4
STABILITY A B F F C B F F B B
CEILING 5500 4000 23500 4000 4000 13800 9800 300 4700 1700
PRESSURE 29.85 29.84 29.88 29.93 30.0 29.98 29.96 29.94 30.02 30.06
Date Sun 08/16/26Mon 08/17/26Tue 08/18/26Wed 08/19/26
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 88 74 91 70 86 68 87
TEMP 70 72 84 80 76 77 89 84 74 72 84 79 71 72 85 80
DEWPT 68 69 71 72 73 75 74 74 71 70 69 70 69 70 70 71
MAX/MIN RH 97 59 98 59 97 59 96 58
RH 93 91 65 77 90 94 63 73 90 93 61 73 93 93 60 74
WIND DIR SE S S S SW W W W NW N NE SE SE N SE SE
WIND SPD 3 3 10 9 10 9 8 3 2 3 4 3 1 2 4 3
AVG CLOUDS B1 B1 B1 B1 B1 B1 SC B1 SC SC SC FW FW FW FW FW
POP 12HR 5 30 50 30 30 10 5 10
RAIN SHWRS C C S C C
TSTMS S S S
$$
MDZ025-132000-
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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