EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Thu Sep 17 2026
MDZ022-172000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Thu Sep 17 2026
Date Thu 09/17/26 Fri 09/18/26 Sat 09/19/26
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 83 70 84 65 78
TEMP 68 78 82 82 74 72 72 71 72 80 83 81 74 70 68 66 67 73 76 76 72
DEWPT 65 66 66 65 66 66 67 68 70 71 69 67 67 67 65 63 63 63 62 63 64
MIN/MAX RH 56 94 63 93 60
RH 90 67 57 57 77 81 85 91 93 74 64 63 79 90 90 91 87 71 62 64 76
WIND DIR S S S S S S SW SW NW N N NE NE NE NE NE NE E E E E
WIND DIR DEG 18 20 20 19 17 19 21 24 30 34 01 03 05 06 04 04 04 06 08 09 10
WIND SPD 3 5 6 6 4 4 3 3 3 5 8 6 3 2 3 3 4 8 9 9 3
CLOUDS SC FW FW FW SC FW SC B1 SC SC B1 B1 FW FW SC SC SC FW SC SC SC
CLOUDS(%) 46 23 24 16 34 19 37 51 46 38 58 51 25 20 26 26 28 25 43 43 42
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 10 10 10 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
MIX HGT 3300 3100 500 700 3800 3700 400 900 4500 4200
T WIND DIR S S S SW N NE NE NE NE E
T WIND SPD 9 10 12 9 10 10 6 9 11 11
SMOKE DISP PR PR PR PR PR PR PR PR FR FR
ADI 37 36 6 8 42 48 4 13 46 45
MAX LVORI 4 4 5 6 4 4 6 6 3 4
STABILITY B B F F B D F F B C
CEILING 5500 18200 9800 4700 4700 2400 4700 3200 3200 2400
PRESSURE 30.26 30.12 30.09 30.01 30.01 29.98 30.02 30.02 30.07 30.07
Date Sun 09/20/26Mon 09/21/26Tue 09/22/26Wed 09/23/26
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 82 67 77 64 74 64 73
TEMP 68 68 80 75 71 68 76 70 68 66 72 69 67 66 71 68
DEWPT 65 66 68 70 70 68 69 68 67 66 66 66 65 65 65 65
MAX/MIN RH 100 65 100 78 100 73 99 76
RH 89 93 67 85 96100 84 90 97100 81 88 96 96 81 87
WIND DIR SE S S S W N NE NE NE NE NE NE NE NE E NE
WIND SPD 3 3 9 5 3 5 10 9 9 10 11 11 8 10 12 10
AVG CLOUDS SC B1 SC SC B2 B2 B1 B1 B1 B2 B2 B1 B2 B2 B1 B1
POP 12HR 0 20 60 30 20 30 30 30
RAIN SHWRS S L C S C S S C C S C C C
TSTMS S C
$$
MDZ025-172000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
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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