EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
410 PM EDT SUN JUL 22 2018
VAZ096-230900-
GREAT DISMAL SWAMP RAWS-SUFFOLK VA
36.61N 76.55W ELEV. 35 FT
410 PM EDT SUN JUL 22 2018
DATE 07/22/18 MON 07/23/18 TUE 07/24/18 WED
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 75 83 74 84 73
TEMP 87 81 79 76 75 77 82 82 81 77 75 75 75 75 82 83 79 76 73 73 73 75
DEWPT 76 75 74 73 73 74 74 75 75 74 73 73 73 73 74 76 74 74 71 70 73 72
MAX/MIN RH 96 75 99 77 100
RH 70 82 85 90 94 90 77 79 82 92 95 94 96 97 79 80 85 95 93 90100 90
WIND DIR S SE SE SE SE SE SE SE SE SE SE SE SE SE SE SE S SE SE SE SE SE
WIND DIR DEG 17 15 15 15 14 14 15 15 15 14 14 14 14 14 15 15 16 15 15 15 15 15
WIND SPD 8 6 6 6 6 8 10 10 8 6 6 5 6 6 10 9 8 5 5 4 5 5
CLOUDS B2 B1 B2 B2 OV OV OV OV OV OV OV B2 OV B2 OV B2 OV B2 OV OV OV OV
CLOUDS(%) 79 67 74 80 88 91 93 92 92 92 92 86 90 86 90 84 89 85 90 90 92 91
VSBY 6 6 6 6 6 6 6 4 4 6 6 6 6 6 6 6 6 4 4 4 4 4
POP 12HR 60 70 60 70 70
QPF 12HR 0.33 0.52 0.14 0.21 0.65
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS L L L L L L L L L L L L L L L L L L L L L L
TSTMS L L L C C C C C C C C C C C C C C C C C C C
LAL 4 2 3 3 3 2 3 3 2 4
HAINES 3 3 3 3 3 3 3 3 3 3
MIX HGT 1000 700 2800 2700 800 900 3000 3000 1000 500
T WIND DIR S SE S SE SE SE SE S S SE
T WIND SPD 13 10 20 16 13 13 19 16 11 9
SMOKE DISP PR PR FR FR PR PR FR FR PR PR
ADI 14 15 50 48 13 20 50 47 9 15
MAX LVORI 5 6 4 4 5 6 4 4 5 7
STABILITY B D D C C D D C C D
CEILING 9400 5500 1700 6200 1000 1000 1000 1000 6000 3500
PRESSURE 29.79 29.84 29.90 29.92 29.98 30.01 30.03 30.03 30.02 30.0
DATE 07/25 THU 07/26/18 FRI 07/27/18 SAT 07/28/18 SUN 07/29/18
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 84 73 87 73 88 73 88 72 87
TEMP 82 80 75 76 86 82 76 76 87 82 76 76 87 82 75 75 86 82
DEWPT 75 74 72 73 75 74 72 73 75 75 73 74 75 74 72 73 75 74
MIN/MAX RH 0 0 0 0 0 0 0 0 0
RH 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
WIND DIR S S S S S S SW SW SW S SW SW SW S SW SW S S
WIND SPD 9 8 6 6 8 5 4 5 5 3 4 4 4 3 3 3 4 4
AVG CLOUDS OV OV B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2
POP 12HR 70 50 50 40 40 30 50 50 60
RAIN SHWRS L L C C C C C C C C C C C C C C L L
TSTMS C C C C C C C C C C C C C C C C L L
$$
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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