EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Thu May 7 2026
MDZ022-072000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Thu May 7 2026
Date Thu 05/07/26 Fri 05/08/26 Sat 05/09/26
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 60 46 68 53 73
TEMP 55 56 57 59 56 50 49 47 51 61 66 67 62 56 55 55 60 65 70 72 66
DEWPT 50 48 47 45 46 46 45 43 41 36 36 38 41 45 47 48 51 52 52 54 56
MIN/MAX RH 60 88 33 80 51
RH 85 74 68 60 69 86 86 86 68 39 33 34 47 68 74 78 72 63 53 53 70
WIND DIR N N N W SW W W NW NW NW W SW S S S S S S S SW S
WIND DIR DEG 00 01 00 29 21 25 28 31 33 31 26 24 19 18 19 19 19 20 20 21 20
WIND SPD 5 5 4 3 3 2 3 6 5 4 6 8 4 4 4 5 8 11 12 10 3
CLOUDS OV OV OV B2 SC FW SC CL CL CL CL CL CL SC SC SC B1 B1 B1 B1 FW
CLOUDS(%) 100100 97 86 42 24 38 4 3 2 2 5 5 27 28 41 64 67 69 69 22
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 80 0 0 0 50
QPF 12HR 0.15 0 0 0 0.05
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS D L C C C C C
TSTMS S S
MIX HGT 2800 2700 600 1400 6800 6500 500 1500 4500 4000
T WIND DIR N W SW NW NW SW S S S S
T WIND SPD 12 4 5 11 19 13 9 13 28 16
SMOKE DISP PR PR PR PR VG VG PR PR VG GD
ADI 39 20 3 34 120 120 5 38 106 64
MAX LVORI 3 3 6 6 1 2 3 4 1 3
STABILITY C B F F B B F E C D
CEILING 4000 5500 8900 30000 30000 6300 6300 8000 10800 4000
PRESSURE 29.84 29.79 29.80 29.85 29.93 29.90 29.94 29.92 29.90 29.79
Date Sun 05/10/26Mon 05/11/26Tue 05/12/26Wed 05/13/26
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 79 56 66 46 66 49 70
TEMP 58 61 77 70 63 59 63 60 49 50 64 59 51 55 67 64
DEWPT 55 57 54 58 57 55 49 45 41 41 38 41 43 47 47 51
MAX/MIN RH 95 43 91 51 77 37 78 47
RH 91 87 45 66 81 89 60 58 74 71 39 52 74 75 49 62
WIND DIR S S S S S N N N N NW NW W SW S S S
WIND SPD 2 2 5 3 3 6 10 4 3 5 8 2 2 3 10 5
AVG CLOUDS FW SC SC SC B1 B2 B2 B2 SC SC FW FW SC SC B1 B1
POP 12HR 5 20 60 70 10 5 10 40
RAIN SHWRS S C L L S C C
TSTMS S
$$
MDZ025-072000-
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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