EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE WAKEFIELD VA
510 PM EDT SAT SEP 25 2021
VAZ098-260900-
BACK BAY NWR RAWS-VIRGINIA BEACH VA
36.68N 75.93W ELEV. 8 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 61 76 60 79 65
TEMP 70 67 65 63 65 71 74 73 69 66 65 63 63 73 78 77 72 70 68 67 67
DEWPT 56 57 57 56 59 57 53 52 54 55 56 57 57 59 57 58 60 61 61 61 62
MAX/MIN RH 85 46 82 48 85
RH 61 70 75 79 81 61 48 47 58 66 75 80 81 61 49 51 66 74 79 80 85
WIND DIR N W W W NW NW NW NW NW W W W W SW SW S S SW SW SW SW
WIND DIR DEG 34 26 27 28 32 33 33 32 31 28 26 26 26 24 21 20 20 21 22 23 23
WIND SPD 4 6 8 9 11 13 11 10 6 6 5 6 6 6 6 10 10 11 11 11 11
CLOUDS SC FW CL CL CL CL CL CL CL CL CL CL CL FW FW FW FW FW CL FW FW
CLOUDS(%) 40 22 4 5 2 4 4 1 3 2 2 3 3 7 11 8 6 6 5 6 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 4 4 4 5 5 5 5 5 4 4
MIX HGT 3300 2300 4600 5200 2300 900 3800 3700 500 500
T WIND DIR W NW NW NW W W W SW SW SW
T WIND SPD 10 13 18 12 9 8 9 13 17 16
SMOKE DISP PR PR GD GD PR PR PR PR PR PR
ADI 8 36 47 50 7 7 40 43 17 18
MAX LVORI 4 4 3 3 4 6 4 3 4 4
STABILITY B F E C B F F C C E
CEILING 4700 30000 30000 30000 30000 23500 26600 13800 13800 14800
PRESSURE 29.94 29.95 30.01 30.01 30.07 30.09 30.13 30.04 30.03 30.01
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 83 66 75 64 72 62 72 62 73
TEMP 81 75 69 68 74 70 66 65 71 67 64 64 71 67 64 64 72 67
DEWPT 65 65 65 65 65 58 57 57 57 56 55 56 57 56 56 57 58 57
MIN/MAX RH 56 91 65 76 56 78 57 81 57
RH 57 70 85 93 73 67 75 76 60 66 73 77 61 68 75 79 61 70
WIND DIR SW SW W NW N N N N N N N N N N N N NW NE
WIND SPD 10 10 8 9 13 13 11 12 13 12 11 12 13 11 11 10 10 9
AVG CLOUDS FW FW SC SC SC SC FW FW FW FW FW FW FW FW FW FW FW SC
POP 12HR 10 30 20 10 10 10 10 10 10
RAIN SHWRS C S S
TSTMS C
$$
NCZ014-260900-
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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