EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Wakefield VA
410 PM EST Tue Jan 21 2025
VAZ096-220900-
Great Dismal Swamp RAWS-Suffolk VA
36.61N 76.55W Elev. 35 ft
410 PM EST Tue Jan 21 2025
Date 01/21/25 Wed 01/22/25 Thu 01/23/25 Fri
UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07
MIN/MAX 20 29 15 37 20
TEMP 25 23 22 22 21 25 28 27 22 20 18 16 17 27 34 35 29 26 24 22 22
DEWPT 12 17 17 16 12 12 11 9 11 12 12 14 15 18 15 14 16 15 14 14 15
MAX/MIN RH 81 43 96 39 76
RH 57 76 81 76 68 56 47 45 61 71 78 92 92 68 46 41 58 61 66 71 75
WIND DIR N N N N N N N N NE N N N N NW NW W NW NW NW NW N
WIND DIR DEG 01 00 00 35 01 00 01 02 04 02 35 34 34 33 30 29 29 30 31 33 35
WIND SPD 4 4 4 6 8 8 8 5 2 2 2 2 2 3 3 3 1 2 2 2 3
CLOUDS OV OV OV OV B2 B2 SC CL CL FW FW SC B1 B2 B2 B2 B2 SC SC SC SC
CLOUDS(%) 100100 99 95 78 71 45 2 3 9 20 39 58 72 76 74 70 50 50 45 43
VSBY 6 2 2 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7
POP 12HR 90 20 5 10 5
QPF 12HR 0.14 0 0 0 0
SNOW 12HR 2 00-00 00-00
SNOW L D L C S
LAL 1 1 1 1 1 1 1 1 1 1
HAINES 2 4 4 4 4 3 3 4 4 4
MIX HGT 1800 1500 3400 3300 500 500 1700 1700 400 500
T WIND DIR N N N N N N N W W NW
T WIND SPD 13 21 20 11 4 5 6 5 3 4
SMOKE DISP PR PR GD FR PR PR PR PR PR PR
ADI 15 41 55 52 2 7 13 15 2 7
MAX LVORI 4 4 1 3 5 8 5 3 3 4
STABILITY D E D C F F C C F F
CEILING 4800 7200 2400 30000 30000 30000 1700 3600 20800 23500
PRESSURE 30.42 30.37 30.38 30.40 30.42 30.34 30.30 30.18 30.15 30.15
Date 01/24Sat 01/25/25Sun 01/26/25Mon 01/27/25Tue 01/28/25
UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MAX/MIN 40 18 43 25 51 30 48 29 47
TEMP 38 29 23 20 40 34 29 27 48 41 34 31 46 39 33 30 45 38
DEWPT 18 20 18 16 17 19 20 21 25 28 28 29 34 34 32 27 25 26
MIN/MAX RH 41 87 36 81 38 91 58 96 40
RH 44 68 81 83 40 54 69 78 41 60 77 91 63 82 96 88 45 62
WIND DIR N N NW NW W S SW SW SW SW SW SW SW SW W W W W
WIND SPD 4 2 2 2 4 3 3 3 6 3 2 3 6 3 3 4 6 3
AVG CLOUDS SC SC SC FW CL FW SC B1 B1 B1 B1 B2 B2 B1 B1 SC SC FW
POP 12HR 0 0 0 0 0 10 30 20 10
RAIN S C C S S
$$
VAZ098-220900-
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