EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Sun Sep 20 2026
MDZ022-210800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Sun Sep 20 2026
Date 09/20/26 Mon 09/21/26 Tue 09/22/26 Wed
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 69 75 67 71 62
TEMP 74 72 71 70 70 73 74 72 68 68 68 68 68 70 70 68 66 65 64 63 63
DEWPT 69 69 69 69 67 67 66 65 66 66 66 66 66 68 66 65 64 63 62 61 61
MAX/MIN RH 97 77 94 88 94
RH 83 89 92 97 91 81 77 80 92 93 93 94 94 93 88 90 92 92 93 93 93
WIND DIR S S SW NW N NE NE NE NE NE E E NE NE NE NE NE NE NE NE NE
WIND DIR DEG 18 20 23 31 01 04 05 06 06 06 07 07 06 06 06 06 05 05 04 05 04
WIND SPD 4 3 2 3 4 8 10 10 6 5 5 8 10 11 13 16 14 13 13 16 16
CLOUDS B1 B1 B2 B1 B1 B1 B1 B2 B2 B2 B2 OV B2 B2 OV OV OV OV OV OV B2
CLOUDS(%) 61 69 72 64 67 63 58 71 75 80 86 89 84 84 89 89 92 88 89 89 84
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 4 4 4 4 6 6 7 7 7
POP 12HR 40 10 60 70 60
QPF 12HR 0.03 0 0.13 0.85 0.37
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C L L L L L L C C C
TSTMS S S S S S
MIX HGT 500 1200 2900 2900 1300 1300 2100 2100 1100 1900
T WIND DIR S NW NE NE NE E NE NE NE NE
T WIND SPD 5 8 14 17 17 19 24 28 24 28
SMOKE DISP PR PR FR FR PR PR FR FR PR FR
ADI 5 19 46 43 18 26 52 59 24 51
MAX LVORI 6 8 4 5 6 5 4 5 5 5
STABILITY E F C D E D D D D D
CEILING 3200 4000 10900 1000 300 300 300 1000 300 300
PRESSURE 29.85 29.85 29.95 29.97 30.01 30.01 30.04 30.06 30.09 30.09
Date 09/23Thu 09/24/26Fri 09/25/26Sat 09/26/26Sun 09/27/26
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 67 58 67 56 66 53 69 54 72
TEMP 66 67 63 61 65 64 59 57 64 61 56 56 67 63 56 57 70 65
DEWPT 62 61 59 60 62 59 56 55 57 54 52 53 55 54 54 54 58 58
MIN/MAX RH 84 95 81 94 70 91 61 93 63
RH 88 81 87 96 90 83 90 93 77 78 87 90 65 72 92 90 66 77
WIND DIR NE NE NE NE NE NE N N N N N N NW N N N N N
WIND SPD 16 16 12 13 14 14 10 12 12 13 8 10 10 5 3 5 9 3
AVG CLOUDS B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 SC B1 SC B1 SC SC SC SC
POP 12HR 50 30 30 30 30 30 20 20 20
RAIN SHWRS C C C C C C C C C C S C S S S S
$$
MDZ025-210800-
Assateague Island RAWS - Worchester MD
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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