EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Wed May 13 2026
MDZ022-132000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Wed May 13 2026
Date Wed 05/13/26 Thu 05/14/26 Fri 05/15/26
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 74 56 69 50 71
TEMP 60 69 73 72 63 62 61 59 58 63 67 67 62 55 53 50 53 61 69 70 63
DEWPT 48 47 46 49 52 54 55 55 54 50 46 44 45 46 45 45 47 46 44 46 48
MIN/MAX RH 38 92 43 83 39
RH 64 45 38 45 67 76 81 89 86 62 46 43 55 71 74 83 80 58 40 42 58
WIND DIR S SW S S S S S W NW NW NW NW NW NW NW NW NW NW NW NW W
WIND DIR DEG 20 21 20 18 17 18 20 25 31 32 31 30 30 30 30 30 30 31 30 30 27
WIND SPD 11 14 16 16 11 8 5 4 6 10 10 11 10 8 8 8 10 11 11 10 4
CLOUDS CL CL CL FW B2 B2 OV B2 B2 B1 SC SC B1 SC B1 B1 SC SC SC FW FW
CLOUDS(%) 0 4 5 24 70 87 95 87 71 53 45 41 54 50 52 51 41 36 37 24 23
VSBY 7 7 7 7 7 7 6 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 60 20 10 10
QPF 12HR 0 0.06 0.01 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S L C S
MIX HGT 6000 5200 800 1700 6200 5900 2000 3200 6200 6500
T WIND DIR SW S S W NW NW NW NW NW NW
T WIND SPD 26 27 17 10 17 19 14 16 20 17
SMOKE DISP VG VG PR PR GD GD PR GD VG VG
ADI 120 119 18 28 76 79 27 74 91 120
MAX LVORI 1 3 4 6 3 2 3 4 3 3
STABILITY C C D E C C D D C C
CEILING 30000 18200 14300 1000 1700 4000 4000 3200 3200 4000
PRESSURE 30.03 29.88 29.79 29.68 29.73 29.73 29.79 29.79 29.84 29.85
Date Sat 05/16/26Sun 05/17/26Mon 05/18/26Tue 05/19/26
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 55 83 64 88 68 88 67 88
TEMP 56 63 80 75 68 69 86 79 70 72 85 77 70 71 85 78
DEWPT 48 53 52 57 58 60 59 61 60 62 61 61 61 64 63 63
MAX/MIN RH 81 37 79 37 76 42 81 45
RH 74 70 38 54 71 73 40 54 71 71 45 58 73 77 48 59
WIND DIR SW SW SW S SW SW SW S S SW S S S SW SW S
WIND SPD 3 4 10 4 3 3 4 3 1 2 6 5 3 4 9 8
AVG CLOUDS FW FW FW FW SC SC FW FW FW FW SC FW FW FW FW FW
POP 12HR 0 0 10 5 5 0 10 5
$$
MDZ025-132000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM EDT Wed May 13 2026
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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