EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Tue May 12 2026
MDZ022-122000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Tue May 12 2026
Date Tue 05/12/26 Wed 05/13/26 Thu 05/14/26
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 69 48 76 55 68
TEMP 51 60 66 66 57 52 52 50 61 69 74 73 64 61 59 56 58 62 67 66 59
DEWPT 44 39 37 40 43 46 46 47 50 49 49 50 52 54 55 54 54 49 47 45 45
MIN/MAX RH 33 95 40 94 45
RH 78 45 34 38 60 80 81 89 67 48 41 45 64 76 88 94 85 62 48 47 59
WIND DIR N N NW S S S S S S S S S S S S SW W NW NW NW NW
WIND DIR DEG 01 00 31 16 16 17 18 18 19 20 19 18 17 18 19 23 29 30 30 30 30
WIND SPD 4 4 4 5 5 6 6 6 10 13 16 16 12 10 8 4 5 9 9 10 8
CLOUDS FW CL CL CL CL FW FW FW CL FW FW SC B2 B2 OV OV B1 SC B1 B1 SC
CLOUDS(%) 10 1 1 1 2 7 13 8 5 16 24 47 73 79 96 89 64 38 54 52 36
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 6 7 7 7 7 7
POP 12HR 0 0 5 90 20
QPF 12HR 0 0 0 0.14 0.01
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C L D D S
MIX HGT 6100 5500 400 1500 5800 5200 1200 1700 5500 5400
T WIND DIR N SW S S SW S S W NW NW
T WIND SPD 10 9 10 13 24 25 17 13 17 17
SMOKE DISP FR FR PR PR VG VG PR PR GD GD
ADI 72 63 8 35 110 110 17 39 95 71
MAX LVORI 3 3 4 6 1 2 5 6 3 2
STABILITY A A F E C C D E B D
CEILING 30000 30000 30000 6300 7200 20400 5500 1000 30000 4700
PRESSURE 30.17 30.13 30.14 30.09 30.04 29.92 29.84 29.73 29.76 29.72
Date Fri 05/15/26Sat 05/16/26Sun 05/17/26Mon 05/18/26
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 49 71 55 82 64 86 66 88
TEMP 52 55 70 64 57 61 80 75 68 69 84 78 69 70 85 78
DEWPT 45 48 48 49 49 52 51 55 56 59 57 58 58 61 61 61
MAX/MIN RH 90 43 76 36 75 38 77 43
RH 77 78 45 58 75 72 37 50 65 72 40 51 69 73 45 55
WIND DIR NW NW NW W SW SW SW S SW W SW S S SW S S
WIND SPD 6 10 10 3 2 2 8 4 3 3 6 3 2 3 8 6
AVG CLOUDS SC SC SC SC SC FW FW FW FW SC FW FW FW FW SC FW
POP 12HR 0 5 0 0 5 5 5 0
$$
MDZ025-122000-
Assateague Island RAWS - Worchester MD
38.08N 75.20W Elev. 12 ft
510 AM 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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