EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Wed Jul 22 2026
MDZ022-222000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Wed Jul 22 2026
Date Wed 07/22/26 Thu 07/23/26 Fri 07/24/26
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 86 66 80 63 80
TEMP 74 80 84 84 78 74 72 68 68 74 78 79 73 67 65 63 69 77 80 78 73
DEWPT 74 75 74 74 74 72 70 66 65 64 63 63 64 63 62 61 64 62 62 63 63
MIN/MAX RH 71 96 56 92 55
RH 100 87 72 72 87 93 92 92 90 72 60 59 73 86 90 92 84 60 55 60 72
WIND DIR SW SW SW SW SW SW NW N N N NE E E E NE NE NE E E E E
WIND DIR DEG 23 24 24 23 21 24 33 01 01 02 04 07 08 07 05 04 04 06 07 07 07
WIND SPD 10 10 10 8 3 3 3 5 5 6 5 5 3 2 2 3 3 8 8 8 3
CLOUDS B2 B1 B2 B2 B2 B2 B2 B1 B2 B1 SC SC SC FW FW FW FW SC SC B1 B1
CLOUDS(%) 80 62 76 87 73 82 72 66 71 65 45 35 26 13 7 15 22 27 46 56 65
VSBY 7 7 6 6 6 6 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 80 80 20 5 10
QPF 12HR 0.37 0.28 0 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C L D L L L C S
TSTMS S S C C C C S
MIX HGT 3400 2900 600 900 4600 4400 600 1400 4600 4200
T WIND DIR SW SW W N NE N E E E E
T WIND SPD 24 19 8 12 14 6 3 5 12 13
SMOKE DISP GD GD PR PR FR PR PR PR FR FR
ADI 82 76 7 19 59 49 2 21 71 69
MAX LVORI 4 5 8 6 4 3 7 7 3 3
STABILITY D C F E C B F F B B
CEILING 1700 2400 6500 3200 5500 26600 4000 30000 30000 26600
PRESSURE 29.78 29.79 29.86 29.92 30.03 30.05 30.09 30.11 30.13 30.09
Date Sat 07/25/26Sun 07/26/26Mon 07/27/26Tue 07/28/26
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 80 64 83 67 87 70 88
TEMP 67 69 80 74 66 69 81 77 69 72 85 81 73 73 85 82
DEWPT 63 66 65 66 64 66 65 67 67 70 70 71 69 70 70 71
MAX/MIN RH 94 59 96 57 97 59 93 58
RH 89 90 60 76 93 91 59 71 91 93 61 72 87 90 61 71
WIND DIR NE NE E E N N E SE SW W SW S SW SW SW S
WIND SPD 2 3 5 3 0 1 3 3 2 2 6 4 3 4 6 3
AVG CLOUDS B1 B1 B1 SC SC SC SC FW SC SC SC SC B1 B1 SC B1
POP 12HR 20 20 10 20 20 20 40 40
RAIN SHWRS S S S S S S C C S C
TSTMS S C S C
$$
MDZ025-222000-
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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