EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
510 PM EDT Fri May 3 2024
VAZ096-040800-
Great Dismal Swamp RAWS-Suffolk VA
36.61N 76.55W Elev. 35 ft
510 PM EDT Fri May 3 2024
Date 05/03/24 Sat 05/04/24 Sun 05/05/24 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 59 72 62 80 64
TEMP 61 61 60 60 61 66 71 71 65 63 63 63 65 74 78 79 74 69 67 65 67
DEWPT 59 59 60 59 59 61 62 61 60 60 60 61 63 64 64 63 64 64 63 63 65
MAX/MIN RH 98 71 93 57 97
RH 92 95 98 96 92 83 72 71 83 90 90 93 92 71 62 58 71 84 87 93 93
WIND DIR E E E E E SE E E E E SE SE SE S S S S S S S SW
WIND DIR DEG 08 10 09 09 10 12 10 10 11 11 13 14 15 18 18 17 16 18 19 20 21
WIND SPD 9 5 6 3 4 4 9 10 6 5 4 3 4 9 9 6 5 5 5 5 5
CLOUDS B2 B2 OV OV OV OV OV B2 OV OV OV OV B2 B2 B2 B2 B2 B1 B1 B2 B2
CLOUDS(%) 82 86 91 93 92 91 88 87 90 92 89 89 84 81 78 75 73 64 64 75 79
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 20 20 30 30 30
QPF 12HR 0.01 0 0.02 0.05 0
SNOW 12HR 00-00 00-00 00-00
DRIZZLE S S
RAIN SHWRS S S S C C S S C C C C C C C
TSTMS C C C C
LAL 1 1 1 1 1 1 3 3 3 1
HAINES 3 3 3 4 4 3 3 3 3 3
MIX HGT 700 900 2100 2000 800 1000 4500 3900 700 1500
T WIND DIR E E E E E SE S S S S
T WIND SPD 12 11 11 12 13 9 14 13 6 9
SMOKE DISP PR PR PR PR PR PR FR FR PR PR
ADI 13 12 32 32 13 16 56 56 5 25
MAX LVORI 8 8 5 4 5 6 4 3 5 7
STABILITY D E C C E E C C E E
CEILING 300 300 300 1700 1000 1700 1000 2200 3200 300
PRESSURE 30.02 30.03 30.09 30.07 30.09 30.09 30.10 30.04 30.04 30.01
Date 05/06Tue 05/07/24Wed 05/08/24Thu 05/09/24Fri 05/10/24
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 83 65 84 65 88 67 89 66 85
TEMP 81 76 68 68 82 77 69 69 85 80 71 71 87 80 70 70 83 76
DEWPT 66 67 65 66 66 66 65 67 66 67 67 67 67 67 65 66 65 64
MIN/MAX RH 57 98 55 100 49 97 48 93 51
RH 60 74 90 93 58 69 87 93 52 64 87 87 52 65 84 87 55 66
WIND DIR SW S SW SW W S SW SW W S SW SW SW W S SW S NE
WIND SPD 9 9 6 8 10 5 4 5 11 9 5 8 12 9 5 3 3 3
AVG CLOUDS B2 B2 B2 B2 B1 B1 SC SC SC SC B1 B1 SC B1 B1 SC B1 B1
POP 12HR 60 50 50 20 30 40 40 40 50
RAIN SHWRS C L C C C C S C C S C C S S C
TSTMS C C S S C S C C S C C S C
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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