EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 PM EDT TUE APR 24 2018
MDZ025-250900-
ASSATEAGUE ISLAND RAWS - WORCHESTER MD
38.08N 75.20W ELEV. 12 FT
620 PM EDT TUE APR 24 2018
DATE 04/24/18 WED 04/25/18 THU 04/26/18 FRI
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 54 60 52 64 50
TEMP 55 55 55 55 55 58 59 59 57 55 54 53 55 60 63 63 57 55 53 51 53
DEWPT 50 51 52 53 54 53 53 53 53 51 50 48 47 47 47 47 47 46 46 48 50
MAX/MIN RH 96 78 89 56 92
RH 85 88 91 94 95 83 79 79 86 87 87 85 76 61 57 56 69 72 77 89 89
WIND DIR E E SE SE S S S SW SW W W NW NW NW SW SW SW SW SW S E
WIND DIR DEG 10 11 12 15 16 18 19 20 24 28 28 30 30 30 23 22 21 22 21 16 11
WIND SPD 16 18 18 12 10 9 10 9 9 8 9 10 10 9 6 8 6 6 3 5 4
CLOUDS OV OV OV B2 B1 B1 B2 B2 OV B2 B1 SC SC SC SC SC B1 B1 B1 B2 B2
CLOUDS(%) 100 98 92 79 57 59 74 81 89 73 58 47 36 33 31 42 52 60 68 83 86
VSBY 5 4 7 7 7 7 7 6 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 100 60 30 10 40
QPF 12HR 0.56 0.05 0.01 0 0.03
SNOW 12HR 00-00 00-00 00-00
RAIN D D
RAIN SHWRS C C S C L C C S S C C
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 3 3 3 3 3 3 5 5 3 3
MIX HGT 300 300 1000 1000 700 1100 1700 1500 700 200
T WIND DIR E SE S S W NW W SW S SE
T WIND SPD 20 13 9 6 10 13 9 8 6 10
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 20 18 12 11 11 20 23 16 7 17
MAX LVORI 4 5 5 5 5 5 3 3 5 5
STABILITY D D E C B E F B B F
CEILING 300 300 300 2200 1000 1000 20800 17100 14800 4000
PRESSURE 30.01 29.82 29.75 29.69 29.68 29.73 29.85 29.88 29.92 29.86
DATE 04/27 SAT 04/28/18 SUN 04/29/18 MON 04/30/18 TUE 05/01/18
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 50 60 49 58 47 59 50 62
TEMP 60 55 53 52 59 56 51 51 57 54 49 49 58 55 52 52 61 59
DEWPT 50 50 49 48 48 47 46 43 40 41 41 40 42 43 44 47 50 49
MIN/MAX RH 68 94 63 83 51 77 53 86 63
RH 71 83 86 87 66 72 83 75 53 63 74 72 55 63 74 83 67 68
WIND DIR SE S W SW SW SW NW NW NW W NW NW SW SW SW SW SW S
WIND SPD 6 5 3 3 6 6 9 11 8 9 9 10 5 9 9 9 10 12
AVG CLOUDS B2 B2 B1 B1 SC SC SC FW FW FW FW CL CL CL CL CL FW CL
POP 12HR 40 10 20 5 0 0 0 0 0
RAIN SHWRS C 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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