EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri Jul 31 2026
MDZ022-010800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Fri Jul 31 2026
Date 07/31/26 Sat 08/01/26 Sun 08/02/26 Mon
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
MIN/MAX 67 88 70 89 73
TEMP 77 71 69 68 72 84 87 85 79 75 73 72 75 83 87 87 81 77 76 75 76
DEWPT 68 69 68 68 71 69 68 69 69 70 69 70 72 71 72 72 73 74 74 74 75
MAX/MIN RH 100 54 100 60 98
RH 74 94 97100 96 62 54 58 73 85 88 93 90 67 61 61 77 89 93 97 98
WIND DIR SE S S S S S S S S S S S S S S S S S S S S
WIND DIR DEG 14 17 19 18 19 18 17 16 16 17 17 17 16 16 16 16 16 17 19 19 20
WIND SPD 3 2 2 2 2 3 6 10 6 5 5 3 3 8 10 10 9 6 8 6 8
CLOUDS FW FW FW FW SC SC B1 SC B1 B1 SC SC SC SC SC SC B2 B2 B2 B2 B2
CLOUDS(%) 11 10 21 20 26 33 59 44 53 56 49 36 36 31 39 41 86 86 78 78 86
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 6 6 5
POP 12HR 0 5 0 20 80
QPF 12HR 0 0 0 0 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S D D L L D
TSTMS S C C S
MIX HGT 500 500 4900 4200 700 1700 4200 4000 900 1400
T WIND DIR S S S S S S S S S S
T WIND SPD 6 4 9 13 11 10 17 16 13 13
SMOKE DISP PR PR FR FR PR PR FR FR PR PR
ADI 4 4 65 67 11 40 88 64 15 30
MAX LVORI 8 10 4 3 6 9 3 4 5 6
STABILITY F F A B E F B C D D
CEILING 4000 26600 5500 23500 18200 17100 20800 23500 3300 1700
PRESSURE 29.94 29.92 29.95 29.92 29.90 29.90 29.92 29.84 29.84 29.88
Date 08/03Tue 08/04/26Wed 08/05/26Thu 08/06/26Fri 08/07/26
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
MAX/MIN 85 71 85 70 86 72 86 72 86
TEMP 83 79 73 74 83 79 72 74 84 80 74 75 85 80 74 75 84 80
DEWPT 76 75 73 74 76 74 72 73 75 74 73 74 76 75 73 74 76 74
MIN/MAX RH 78 100 77 100 73 100 73 100 73
RH 80 88100100 80 85100 99 75 83 97 98 75 84 97 98 77 82
WIND DIR S S SW SW S S S SW S S S SW SW S SW SW SW S
WIND SPD 9 5 3 3 5 3 2 3 6 4 3 3 6 4 3 3 4 3
AVG CLOUDS B2 OV B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC B1 B1 SC B1 B1
POP 12HR 80 60 50 30 40 20 40 30 40
RAIN SHWRS D D L C C C S C C C S C C S C C
TSTMS S C C C S S C S C S S
$$
MDZ025-010800-
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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