EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Tue May 12 2026
MDZ022-130800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Tue May 12 2026
Date 05/12/26 Wed 05/13/26 Thu 05/14/26 Fri
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 50 74 57 69 50
TEMP 62 56 54 52 55 66 71 73 68 62 60 58 59 65 68 68 62 56 52 51 54
DEWPT 46 47 47 47 49 47 48 49 51 53 55 56 55 50 48 46 46 45 45 45 46
MAX/MIN RH 86 41 94 44 82
RH 56 72 79 85 80 50 44 43 54 72 86 94 88 58 48 45 56 66 77 82 74
WIND DIR S S S S S SW S S S S S W NW NW NW NW NW NW NW NW NW
WIND DIR DEG 16 17 18 19 20 20 18 18 17 18 20 25 31 32 30 30 30 30 30 30 30
WIND SPD 5 5 5 5 9 12 13 14 10 9 5 3 6 6 8 10 6 4 4 6 10
CLOUDS CL CL FW FW CL FW FW FW B1 B1 B2 OV B1 SC SC SC SC SC FW SC SC
CLOUDS(%) 3 5 13 8 1 11 8 22 56 54 79 90 60 49 26 36 35 28 24 30 31
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 10 50 20 0
QPF 12HR 0 0 0.02 0.01 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C S S
MIX HGT 500 1500 5900 5200 1000 1700 5700 5600 2100 2700
T WIND DIR S S SW S S W NW NW NW NW
T WIND SPD 8 13 25 23 12 10 19 23 18 17
SMOKE DISP PR PR VG VG PR PR GD VG FR FR
ADI 4 40 107 106 14 43 118 120 10 66
MAX LVORI 4 5 1 2 5 8 3 2 4 4
STABILITY F F C C D E B B F E
CEILING 30000 30000 30000 20800 6600 5500 4400 22100 4000 3200
PRESSURE 30.12 30.06 30.03 29.90 29.81 29.69 29.72 29.70 29.77 29.80
Date 05/15Sat 05/16/26Sun 05/17/26Mon 05/18/26Tue 05/19/26
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 71 55 82 66 87 66 87 68 89
TEMP 68 66 56 61 80 76 70 70 85 79 68 70 85 78 71 72 87 79
DEWPT 47 49 48 53 51 57 58 60 58 60 60 62 61 61 62 64 63 63
MIN/MAX RH 42 81 36 74 38 79 43 80 42
RH 47 54 74 76 36 52 66 71 40 53 75 76 45 56 73 75 45 57
WIND DIR NW W SW SW SW S SW W SW S S S S S S SW SW S
WIND SPD 10 3 2 3 9 4 4 3 5 3 1 3 8 6 4 6 10 9
AVG CLOUDS SC FW FW FW FW FW SC SC FW FW FW FW FW FW FW FW FW FW
POP 12HR 5 0 0 5 5 5 5 5 10
$$
MDZ025-130800-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 PM EDT Tue May 12 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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