EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri Jul 17 2026
MDZ022-180800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Fri Jul 17 2026
Date 07/17/26 Sat 07/18/26 Sun 07/19/26 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 72 95 74 88 67
TEMP 81 73 72 73 78 90 94 92 87 80 78 77 77 82 86 86 80 73 70 68 73
DEWPT 65 68 69 71 75 75 73 76 75 74 75 75 74 72 69 67 68 66 65 65 68
MAX/MIN RH 95 51 97 53 90
RH 58 83 89 95 91 62 51 59 68 82 91 96 91 71 58 53 67 78 83 90 83
WIND DIR SE SE S SE S S SW S S SW SW W W NW NW NW N N NE NE NE
WIND DIR DEG 14 15 16 15 17 19 21 20 20 22 23 25 27 31 32 33 01 02 03 03 05
WIND SPD 4 3 3 3 4 9 10 11 8 5 8 5 5 5 5 4 3 1 1 3 3
CLOUDS B1 SC B1 B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 SC SC SC FW FW FW FW FW
CLOUDS(%) 60 29 51 61 55 55 52 52 87 53 66 69 60 38 45 45 15 18 13 16 12
VSBY 5 5 5 5 7 7 7 7 4 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 50 80 20 5
QPF 12HR 0 0.04 0.17 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C D C C S S
TSTMS C C C C S
Obvis K K K K
MIX HGT 400 1000 5200 5300 600 1600 4500 5200 500 1000
T WIND DIR SE SE S S S SW NW NW NE NE
T WIND SPD 4 6 14 18 13 13 14 10 4 9
SMOKE DISP PR PR VG VG PR PR FR FR PR PR
ADI 3 16 102 96 14 36 66 83 3 4
MAX LVORI 6 8 3 3 5 6 4 3 5 6
STABILITY F E C C D D B A F F
CEILING 17100 6300 8000 8900 5500 9200 11700 4000 30000 30000
PRESSURE 30.0 29.97 29.92 29.77 29.77 29.73 29.77 29.78 29.86 29.87
Date 07/20Tue 07/21/26Wed 07/22/26Thu 07/23/26Fri 07/24/26
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 86 70 89 75 88 69 84 66 85
TEMP 84 80 73 76 87 85 79 78 86 83 73 72 82 79 69 71 83 79
DEWPT 65 68 70 73 74 75 75 75 74 72 67 66 64 65 64 66 65 67
MIN/MAX RH 53 96 64 92 63 85 51 90 52
RH 53 67 92 90 66 72 88 91 69 70 81 82 55 62 84 84 54 67
WIND DIR E SE SE S S S SW SW W NW N N N E N N E MM
WIND SPD 4 3 3 3 9 9 9 8 8 3 4 4 4 3 1 2 4 MM
AVG CLOUDS FW FW SC SC B1 B1 B1 B2 B2 B2 B1 B1 SC SC SC FW SC SC
POP 12HR 10 20 30 50 70 50 30 20 20
RAIN SHWRS S S S C C C L L C C C S S S
TSTMS S S C C S S C 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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