EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
510 PM EDT SAT SEP 25 2021
VAZ096-260900-
GREAT DISMAL SWAMP RAWS-SUFFOLK VA
36.61N 76.55W ELEV. 35 FT
510 PM EDT SAT SEP 25 2021
DATE 09/25/21 SUN 09/26/21 MON 09/27/21 TUE
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 55 76 53 81 59
TEMP 65 59 58 57 58 69 73 73 63 58 56 54 56 73 78 78 69 64 63 61 62
DEWPT 55 54 53 52 55 53 50 51 53 53 51 50 53 56 55 56 57 57 56 55 57
MAX/MIN RH 93 43 90 44 86
RH 70 83 84 85 90 58 44 46 69 81 83 85 88 55 46 47 66 77 79 81 85
WIND DIR W W W W NW NW NW NW NW SW SW W W SW SW SW S S SW SW SW
WIND DIR DEG 27 26 25 29 32 33 31 30 30 24 23 25 25 23 23 22 19 19 21 22 22
WIND SPD 2 3 3 3 4 8 6 5 2 2 2 3 2 3 5 5 3 3 4 3 4
CLOUDS SC FW CL CL CL CL CL CL CL CL CL CL CL FW FW FW CL CL CL FW FW
CLOUDS(%) 49 6 5 3 1 2 2 1 1 1 2 3 3 8 11 8 5 5 5 7 7
VSBY 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 0 0 0 0 0
QPF 12HR 0 0 0 0 0
SNOW 12HR 00-00 00-00 00-00
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 6 3 5 5 5 5 5 5 4 5
MIX HGT 300 500 4700 5100 300 300 3400 3800 400 300
T WIND DIR SW W NW NW W SW SW SW SW SW
T WIND SPD 3 6 12 8 3 3 9 10 8 8
SMOKE DISP PR PR FR FR PR PR PR FR PR PR
ADI 2 6 50 47 2 4 40 47 4 7
MAX LVORI 6 6 4 3 5 6 4 3 5 5
STABILITY B F F B B F F B B F
CEILING 30000 30000 30000 30000 30000 30000 21700 13800 14800 14800
PRESSURE 29.90 29.92 29.98 29.97 30.02 30.04 30.09 30.0 29.97 29.95
DATE 09/28 WED 09/29/21 THU 09/30/21 FRI 10/01/21 SAT 10/02/21
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 85 61 77 56 73 55 73 54 74
TEMP 83 73 66 64 75 66 60 59 71 64 58 58 71 63 58 57 72 64
DEWPT 62 64 61 62 63 57 55 55 54 54 53 54 55 54 54 54 56 56
MIN/MAX RH 49 96 59 92 49 90 51 93 53
RH 50 72 84 95 68 73 86 89 54 70 82 86 57 72 86 89 57 75
WIND DIR SW SW W NW N N N N N N N N N NE W N NW NE
WIND SPD 8 4 3 3 8 4 3 5 9 6 3 5 9 5 5 5 6 3
AVG CLOUDS FW FW SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW FW
POP 12HR 10 30 20 10 5 5 10 10 10
RAIN SHWRS C S S
TSTMS C
$$
VAZ098-260900-
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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