EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 AM EDT Sun May 24 2026
MDZ022-242000-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 AM EDT Sun May 24 2026
Date Sun 05/24/26 Mon 05/25/26 Tue 05/26/26
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 75 65 78 66 78
TEMP 61 67 74 75 70 67 67 68 70 74 77 76 74 70 68 67 68 74 77 77 73
DEWPT 61 65 67 68 67 66 67 68 69 70 70 69 69 67 67 67 67 68 67 67 68
MIN/MAX RH 76 100 78 100 69
RH 100 93 79 80 89 97100100 97 87 80 80 86 92 98100 98 83 73 72 84
WIND DIR E E SE S SE SE S S SW SW SW SW S SW SW SW W NE SE E E
WIND DIR DEG 07 11 15 16 14 15 18 20 21 22 23 22 20 21 23 22 25 03 12 10 11
WIND SPD 2 3 4 6 4 3 3 3 5 9 8 5 3 2 2 2 2 3 3 3 2
CLOUDS OV OV B2 B2 B2 OV OV OV OV B2 OV OV OV OV OV OV B2 B2 B2 B2 B2
CLOUDS(%) 96 93 87 86 87 93 88 95 89 83 94 94 94 94 95 95 87 87 85 82 76
VSBY 1 7 7 7 7 7 7 6 7 7 6 6 4 4 6 6 6 6 6 6 7
POP 12HR 50 70 90 90 80
QPF 12HR 0.06 0.02 0.17 0.36 0.07
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S C L C C D D D D D D D D L L C
TSTMS S S S S S S S C C S S S
Obvis PF
MIX HGT 2200 2000 500 1000 2500 1700 600 700 1000 1100
T WIND DIR SE S S S SW SW SW SW N SW
T WIND SPD 6 10 8 11 17 13 6 4 9 2
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 25 27 6 21 51 34 4 4 18 3
MAX LVORI 9 6 9 9 4 6 9 9 6 5
STABILITY B C F E C C F F B B
CEILING 300 4000 300 300 1000 1600 3200 300 1800 7200
PRESSURE 30.20 30.13 30.11 30.06 30.09 30.06 30.07 30.04 30.04 30.04
Date Wed 05/27/26Thu 05/28/26Fri 05/29/26Sat 05/30/26
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 64 82 67 80 61 76 56 72
TEMP 67 68 78 77 71 70 79 74 64 65 74 69 61 61 70 66
DEWPT 66 67 68 69 67 66 62 63 59 57 54 55 53 55 52 54
MAX/MIN RH 100 67 90 54 86 48 85 52
RH 98 97 71 75 87 87 57 68 84 76 50 61 75 80 54 65
WIND DIR SW W W SW W NW N NE N N N SE NE N NE E
WIND SPD 1 1 3 2 2 3 4 2 2 3 5 3 2 4 6 3
AVG CLOUDS B2 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC B1 B1
POP 12HR 50 50 40 30 20 10 10 10
RAIN SHWRS C C C C C C C C S S
TSTMS S S S S
$$
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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