EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Thu Apr 18 2024
MDZ022-190800-
Powellville RAWS - Wicomico MD
38.35N 75.42W Elev. 16 ft
510 PM EDT Thu Apr 18 2024
Date 04/18/24 Fri 04/19/24 Sat 04/20/24 Sun
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 47 62 50 68 43
TEMP 54 50 48 48 50 56 61 59 53 52 52 52 54 59 64 65 59 52 48 44 47
DEWPT 47 44 44 44 45 47 48 48 48 50 51 51 51 47 41 38 40 39 36 30 33
MAX/MIN RH 86 62 96 37 63
RH 78 80 86 86 83 72 63 67 83 93 96 96 91 64 43 37 49 60 63 57 58
WIND DIR NE NE NE NE NE E E E SE SE S NW NW N NW NW W NW N N N
WIND DIR DEG 04 04 04 04 06 08 10 11 12 15 17 30 33 33 32 30 29 33 34 34 35
WIND SPD 10 10 9 6 8 6 6 6 5 3 3 2 5 6 6 8 5 6 6 5 5
CLOUDS SC B2 B2 OV OV B2 B2 B2 B2 B2 B2 OV B2 B2 B1 SC SC SC SC SC SC
CLOUDS(%) 42 70 82 89 91 76 72 78 82 83 87 88 84 81 57 39 27 27 29 36 39
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 5 40 20 5
QPF 12HR 0 0 0.12 0 0
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS C C C C S S
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 2 4 4 3 2 2 4 4 4 3
MIX HGT 1600 1700 2600 2400 800 1100 4100 4800 500 1200
T WIND DIR NE NE E SE S NW NW NW NW N
T WIND SPD 18 12 11 10 6 5 14 9 5 9
SMOKE DISP PR PR PR PR PR PR FR FR PR PR
ADI 22 30 32 29 7 17 58 70 7 18
MAX LVORI 4 4 3 4 8 9 3 2 3 3
STABILITY D D C C E F C B F F
CEILING 1000 1000 1000 1000 1000 1000 5500 15700 30000 14800
PRESSURE 30.06 30.06 30.06 30.01 29.96 29.92 29.95 29.92 29.93 30.01
Date 04/21Mon 04/22/24Tue 04/23/24Wed 04/24/24Thu 04/25/24
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 61 44 64 43 68 52 71 43 62
TEMP 60 52 47 48 63 53 46 50 67 57 55 58 68 59 50 49 61 53
DEWPT 31 38 38 38 36 39 39 42 41 44 48 49 49 44 38 38 36 38
MIN/MAX RH 33 74 36 86 39 78 47 68 39
RH 33 59 71 69 36 59 78 74 39 62 77 72 51 57 63 65 39 57
WIND DIR W SE W N NE SE SW NW SE S S SW W N N N N S
WIND SPD 4 4 3 5 6 5 3 4 10 9 10 9 11 10 10 10 10 6
AVG CLOUDS B1 B2 B2 B1 SC SC SC FW FW SC B1 B1 SC SC SC SC SC FW
POP 12HR 10 20 5 0 0 20 30 20 10
RAIN S
RAIN SHWRS 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
LAL(CAT)............................LIGHTNING ACTIVITY LEVEL
HAINES(CAT).........................HAINES INDEX
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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