EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 AM EDT SUN APR 22 2018
VAZ096-222100-
GREAT DISMAL SWAMP RAWS-SUFFOLK VA
36.61N 76.55W ELEV. 35 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 65 45 67 53 65
TEMP 47 59 64 64 56 49 47 46 49 61 65 65 60 56 55 54 55 62 64 64 62
DEWPT 40 38 38 35 37 39 41 42 43 44 43 44 45 48 50 52 53 54 56 57 57
MIN/MAX RH 35 86 44 93 73
RH 76 45 39 35 49 68 79 86 80 53 45 46 58 74 83 93 93 75 75 78 84
WIND DIR SE SE SE SE SE SE E E E E E E E E E E E E E SE SE
WIND DIR DEG 12 12 11 11 11 12 08 08 09 10 11 10 09 10 11 10 10 11 11 12 12
WIND SPD 1 3 4 8 4 3 3 3 5 10 11 10 9 6 8 9 10 13 16 12 10
CLOUDS FW FW B1 B1 B1 B1 SC SC SC B1 B2 B2 OV OV OV OV OV OV OV OV OV
CLOUDS(%) 25 20 51 62 68 55 42 43 44 57 70 80 90 94 98 99 99 99 99 96 93
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 6 6 4 4 4 4 7
POP 12HR 0 0 5 60 90
QPF 12HR 0 0 0 0.26 0.95
SNOW 12HR 00-00 00-00 00-00
RAIN C C L L D D L L C
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 4 4 5 5 5 4 4 4 3 3
MIX HGT 3600 3800 1000 400 3500 3300 1300 600 1500 1400
T WIND DIR SE SE E E SE E E SE SE SE
T WIND SPD 2 9 5 6 20 21 12 18 27 20
SMOKE DISP PR PR PR PR GD GD PR PR PR PR
ADI 16 34 6 9 59 63 15 30 47 41
MAX LVORI 3 2 4 6 3 2 4 5 4 4
STABILITY F B B F D C C D D D
CEILING 17100 20800 18300 14800 23500 2400 3200 7200 1000 300
PRESSURE 30.38 30.34 30.36 30.36 30.38 30.34 30.30 30.19 30.14 29.96
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 58 73 54 69 51 71 51 70
TEMP 59 61 71 66 58 57 67 62 55 54 69 63 55 54 68 61
DEWPT 57 57 58 57 55 54 51 51 49 50 50 49 48 45 42 44
MAX/MIN RH 97 59 100 53 93 47 80 37
RH 94 88 63 73 91 90 57 68 80 86 51 60 77 71 39 52
WIND DIR S SW SW SW SW NW N S SW SW S S W W W W
WIND SPD 4 3 6 3 2 4 2 2 3 4 5 4 6 8 9 4
AVG CLOUDS B2 B2 B1 B1 B1 B1 B1 B1 B1 SC SC B1 B1 B1 SC SC
POP 12HR 50 40 20 20 20 20 20 10
RAIN C C
RAIN SHWRS C C S S S S S S S S 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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