EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
620 AM EDT WED APR 25 2018
VAZ098-252100-
BACK BAY NWR RAWS-VIRGINIA BEACH VA
36.68N 75.93W ELEV. 8 FT
620 AM EDT WED APR 25 2018
DATE WED 04/25/18 THU 04/26/18 FRI 04/27/18
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 52 65 55 71
TEMP 61 62 64 63 60 58 57 54 54 61 64 63 60 58 58 57 59 65 69 69 63
DEWPT 59 61 59 56 56 54 53 50 50 47 48 48 49 50 52 53 56 55 54 53 53
MIN/MAX RH 76 90 56 90 58
RH 94 96 81 77 87 86 86 86 83 61 56 57 66 75 81 87 89 69 58 58 69
WIND DIR S S S SW W W W NW NW N N E S SE SE SE E SE SE SE NE
WIND DIR DEG 19 18 18 22 27 27 27 31 31 34 01 11 16 15 13 12 11 13 13 14 06
WIND SPD 8 8 9 9 9 8 8 10 9 8 3 4 4 5 4 6 6 10 6 10 4
CLOUDS B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 B2 B2 B2 OV B2 B1 SC SC B1
CLOUDS(%) 75 72 74 84 86 69 63 53 49 37 46 63 71 79 81 88 85 64 40 43 62
VSBY 2 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 50 10 5 50 40
QPF 12HR 0.12 0 0 0.14 0.04
SNOW 12HR 00-00 00-00 00-00
RAIN SHWRS S C C C C C C S S
TSTMS S
OBVIS PF
LAL 1 2 1 1 1 1 1 1 1 1
HAINES 4 3 3 3 3 3 3 3 4 4
MIX HGT 1900 1800 600 1100 3000 2700 400 300 2000 1800
T WIND DIR S SW W NW N SE SE SE SW SW
T WIND SPD 8 4 8 8 5 9 10 8 12 9
SMOKE DISP PR PR PR PR PR PR PR PR PR PR
ADI 16 12 10 12 19 20 10 8 34 29
MAX LVORI 8 6 6 5 4 3 5 6 4 3
STABILITY E C B E F B B D E B
CEILING 8800 2400 4300 1700 4700 4000 3200 300 9800
PRESSURE 29.76 29.67 29.68 29.75 29.86 29.87 29.88 29.78 29.68 29.65
DATE SAT 04/28/18 SUN 04/29/18 MON 04/30/18 TUE 05/01/18
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 55 66 53 64 50 65 53 70
TEMP 58 58 65 61 56 55 63 58 53 53 63 60 55 56 68 65
DEWPT 52 52 52 50 50 48 45 44 44 44 43 44 46 48 51 51
MAX/MIN RH 83 57 83 50 77 47 82 52
RH 80 79 61 65 80 77 52 59 70 74 49 57 72 76 55 60
WIND DIR SE W SE S NW N N NE NW N N SE SW SW S S
WIND SPD 3 3 3 4 9 11 9 3 6 8 4 6 8 8 6 10
AVG CLOUDS B1 SC SC SC SC FW FW FW FW CL CL CL CL CL CL FW
POP 12HR 5 5 0 0 0 0 0 0
$$
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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