EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri Apr 19 2024
VAZ098-200800-
Back Bay NWR RAWS-Virginia Beach VA
36.68N 75.93W Elev. 8 ft
510 PM EDT Fri Apr 19 2024
Date 04/19/24 Sat 04/20/24 Sun 04/21/24 Mon
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 64 52 57 50
TEMP 54 56 55 56 58 62 63 62 59 57 56 54 53 56 56 55 53 53 52 51 53
DEWPT 52 53 55 55 57 56 50 48 48 50 49 44 41 40 42 41 43 44 43 43 43
MAX/MIN RH 98 59 77 56 75
RH 93 90 98 96 96 82 64 59 67 76 77 69 63 57 58 59 68 72 72 75 69
WIND DIR SE SE S S SW N N N E E N NE NE NE NE NE NE NE N N N
WIND DIR DEG 11 14 17 16 21 34 00 00 10 09 02 03 03 03 04 06 06 06 00 00 01
WIND SPD 9 8 6 4 3 8 12 10 4 3 8 12 11 10 9 9 6 5 9 10 10
CLOUDS B2 B2 B2 B2 OV OV B2 B1 SC SC B1 B1 B2 B2 OV OV OV OV B2 B1 SC
CLOUDS(%) 71 78 85 87 89 89 72 54 34 32 52 64 79 82 90 88 90 91 86 67 42
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 50 20 5 40 50
QPF 12HR 0.06 0.01 0 0.08 0.11
SNOW 12HR 00-00 00-00 00-00
RAIN S S C C C C C C
RAIN SHWRS S C C C S
TSTMS S
LAL 1 2 2 1 1 1 1 1 1 1
HAINES 3 2 2 4 4 3 2 4 5 5
MIX HGT 1100 400 1500 1700 1000 2500 2900 2700 1600 3000
T WIND DIR SE SE NE N N NE NE N N N
T WIND SPD 10 4 6 14 1 20 11 8 10 14
SMOKE DISP PR PR PR PR PR FR PR PR PR FR
ADI 9 7 26 31 2 50 38 23 16 57
MAX LVORI 8 9 7 3 4 3 2 3 3 4
STABILITY D E C C F D D C D D
CEILING 1000 1000 1000 2400 20800 4000 4700 8000 10700 16400
PRESSURE 30.02 29.98 29.98 29.96 29.98 30.01 30.09 30.02 30.01 30.03
Date 04/22Tue 04/23/24Wed 04/24/24Thu 04/25/24Fri 04/26/24
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 63 53 71 51 62 50 63
TEMP 60 55 52 54 62 57 55 56 69 64 56 52 60 57 53 53 62 59
DEWPT 40 39 40 42 43 45 48 50 51 51 47 44 42 42 42 43 44 45
MIN/MAX RH 46 67 49 83 51 75 48 73 51
RH 47 55 64 65 50 63 77 81 52 62 71 75 51 56 68 69 53 59
WIND DIR NE E NE NE E SE S SW SW N N N N NE NE N NE SE
WIND SPD 11 6 5 6 9 9 8 10 10 10 14 14 11 8 9 9 10 8
AVG CLOUDS SC SC SC FW CL FW FW SC SC SC SC FW FW FW FW FW SC SC
POP 12HR 10 0 0 0 10 10 10 5 10
$$
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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