EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 AM EDT SUN APR 22 2018
MDZ022-222100-
POWELLVILLE RAWS - WICOMICO MD
38.35N 75.42W ELEV. 16 FT
620 AM EDT SUN APR 22 2018
DATE SUN 04/22/18 MON 04/23/18 TUE 04/24/18
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 61 40 65 47 62
TEMP 45 55 59 59 52 46 44 42 47 59 63 63 57 52 50 49 52 59 61 61 58
DEWPT 39 37 35 34 35 36 37 39 40 36 37 36 39 41 43 45 46 48 49 51 51
MIN/MAX RH 38 89 35 86 64
RH 81 50 40 40 52 69 76 89 76 42 37 36 50 66 77 86 80 66 65 70 77
WIND DIR NW N E SE SE SE SE E E SE SE SE E E E E E E E E E
WIND DIR DEG 32 35 10 13 14 14 15 11 09 12 13 12 11 11 11 10 11 11 11 11 10
WIND SPD 2 2 4 6 3 3 2 2 2 6 10 10 6 5 6 6 8 12 12 14 14
CLOUDS SC B1 B2 OV SC FW FW FW FW FW FW SC B1 B1 B2 B2 OV OV OV OV OV
CLOUDS(%) 41 55 78 89 40 24 9 12 14 18 21 38 55 68 80 87 94 97 99 99 99
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 4 4 6
POP 12HR 0 0 0 10 70
QPF 12HR 0 0 0 0 0.37
SNOW 12HR 00-00 00-00 00-00
RAIN C C L L L
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 5 4 3 3 4 5 5 5 5 3
MIX HGT 3800 3500 600 300 3700 3500 800 300 800 800
T WIND DIR N SE SE SE SE SE E E SE SE
T WIND SPD 1 6 4 3 8 13 8 8 14 19
SMOKE DISP PR PR PR PR PR FR PR PR PR PR
ADI 6 17 3 4 36 42 9 13 19 23
MAX LVORI 4 2 4 7 3 2 4 5 4 3
STABILITY F B A F F B B D D D
CEILING 10800 7200 7200 5500 26600 26600 20800 2400 2400 1700
PRESSURE 30.40 30.36 30.38 30.40 30.43 30.40 30.38 30.30 30.26 30.12
DATE WED 04/25/18 THU 04/26/18 FRI 04/27/18 SAT 04/28/18
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 52 68 51 65 48 67 49 64
TEMP 54 55 66 61 54 53 63 58 51 51 65 60 53 52 62 57
DEWPT 53 54 55 54 52 51 49 47 47 48 48 46 45 44 41 41
MAX/MIN RH 100 63 97 54 93 49 83 43
RH 95 96 68 77 93 93 60 66 85 87 55 61 76 76 46 55
WIND DIR SE S W S SW NW W SW SW SW S S W W W W
WIND SPD 10 5 8 4 3 8 3 3 4 5 8 8 10 10 10 5
AVG CLOUDS OV OV B2 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC
POP 12HR 70 50 20 20 10 20 30 20
RAIN L L
RAIN SHWRS C C S S S S S S S S C C 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
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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