EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri Sep 18 2026
MDZ022-190800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Fri Sep 18 2026
Date 09/18/26 Sat 09/19/26 Sun 09/20/26 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 66 77 66 81 69
TEMP 73 70 68 66 67 75 75 74 68 67 67 66 68 76 79 79 73 71 71 70 69
DEWPT 70 70 68 65 66 65 64 64 64 66 66 65 67 66 66 67 68 71 71 70 69
MAX/MIN RH 100 66 100 65 100
RH 89 99 99 96 97 71 69 71 88 98 98 97 97 71 65 67 84 99100100100
WIND DIR E NE N NE NE NE NE E E E E SE SE S S S S S SW W N
WIND DIR DEG 07 04 02 03 04 06 06 07 08 10 11 11 13 16 18 18 17 19 22 27 34
WIND SPD 3 2 3 4 5 9 9 9 5 4 3 3 4 8 9 9 5 4 3 3 3
CLOUDS SC SC B1 B1 SC SC B1 B1 B1 B1 FW SC FW SC SC SC B1 B1 B1 B2 B1
CLOUDS(%) 49 45 58 55 44 47 68 67 56 55 23 37 17 38 42 38 60 60 66 74 69
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 20 5 5 30
QPF 12HR 0 0.01 0 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S S C C C C C
TSTMS S
MIX HGT 500 1000 3500 3100 500 700 4000 3700 500 1100
T WIND DIR NE NE NE E E SE S SW W N
T WIND SPD 4 9 13 14 14 9 18 18 10 17
SMOKE DISP PR PR FR PR PR PR GD GD PR PR
ADI 4 15 50 37 11 13 86 83 11 25
MAX LVORI 10 9 4 5 9 9 4 4 9 8
STABILITY F E C D E F B C E F
CEILING 4000 4000 30000 1700 1700 3200 4700 2400 14800 3300
PRESSURE 30.01 30.01 30.04 30.04 30.06 30.01 29.97 29.84 29.81 29.89
Date 09/21Tue 09/22/26Wed 09/23/26Thu 09/24/26Fri 09/25/26
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 78 66 72 63 68 61 67 58 70
TEMP 75 72 67 66 70 67 63 63 67 65 62 62 67 63 59 59 68 64
DEWPT 68 68 66 66 66 64 63 63 64 63 62 62 64 62 59 59 61 60
MIN/MAX RH 77 100 84 100 90 100 84 100 72
RH 78 88 97100 89 90 99100 92 94 99100 90 97100100 78 88
WIND DIR NE NE NE NE NE NE NE NE NE NE NE NE NE NE N N N N
WIND SPD 9 8 6 11 14 14 10 14 16 16 10 13 13 11 6 9 10 5
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC SC
POP 12HR 50 40 50 40 50 40 40 30 20
RAIN SHWRS C C C C C C C C C C C C C C C S S S
TSTMS C S S S S S S
$$
MDZ025-190800-
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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