EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri May 15 2026
MDZ022-160800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Fri May 15 2026
Date 05/15/26 Sat 05/16/26 Sun 05/17/26 Mon
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 51 82 64 87 65
TEMP 65 57 54 52 62 74 79 80 71 69 69 67 68 79 85 86 80 70 67 65 71
DEWPT 45 47 47 49 52 48 48 51 53 55 55 55 59 61 61 61 62 62 61 61 64
MAX/MIN RH 89 33 75 43 87
RH 49 69 77 89 69 40 33 35 53 62 61 65 73 54 44 44 54 76 81 87 80
WIND DIR W SW SW SW SW SW SW S S S SW SW SW W W SW S S S S SW
WIND DIR DEG 28 23 22 22 22 22 22 20 18 19 21 22 24 26 26 24 19 16 17 19 22
WIND SPD 2 2 3 3 3 6 10 10 8 8 8 6 5 5 5 4 2 2 1 1 1
CLOUDS SC SC FW CL CL CL CL FW FW FW B1 SC SC SC FW FW FW FW FW FW CL
CLOUDS(%) 29 45 12 4 2 1 1 9 9 20 54 39 45 27 24 19 18 13 11 9 5
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 0 5 5 5
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
MIX HGT 500 600 5300 5000 600 1000 5700 5400 400 900
T WIND DIR SW SW SW SW S SW NW W SW SE
T WIND SPD 5 4 16 18 10 11 11 6 4 3
SMOKE DISP PR PR GD GD PR PR FR FR PR PR
ADI 3 6 119 88 10 18 77 68 2 6
MAX LVORI 4 7 2 2 3 4 3 2 5 6
STABILITY F F B B E D B A F F
CEILING 26600 15900 30000 30000 6300 6300 13400 10500 11700 18200
PRESSURE 30.01 30.05 30.09 30.02 29.98 29.97 30.03 30.06 30.12 30.17
Date 05/18Tue 05/19/26Wed 05/20/26Thu 05/21/26Fri 05/22/26
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 87 67 89 69 89 66 73 57 71
TEMP 86 78 70 72 88 80 73 73 87 81 71 68 72 66 59 60 69 64
DEWPT 63 61 61 62 59 62 63 63 62 64 63 59 55 55 54 52 51 53
MIN/MAX RH 46 78 37 74 41 76 55 83 51
RH 46 57 72 72 38 54 69 71 43 56 74 73 55 68 83 76 53 67
WIND DIR S S S SW SW S SW SW SW S SW NW N NE NE NE NE E
WIND SPD 5 4 3 4 8 6 4 5 8 4 3 4 4 1 1 3 4 2
AVG CLOUDS CL CL CL CL CL CL CL FW FW SC B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 0 5 0 0 20 40 50 40 30
RAIN SHWRS S C C C C C C C C
TSTMS S S S S
$$
MDZ025-160800-
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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