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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EST Sat Nov 29 2025
NCZ003-300900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
731 PM EST Sat Nov 29 2025
Date 11/29/25 Sun 11/30/25 Mon 12/01/25 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
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 TEMP 26 49 24 45 30
TEMP 30 28 30 32 39 45 48 43 37 32 28 25 37 45 44 35 33 31 33 34
DEWPT 17 17 19 23 32 39 41 38 32 26 22 20 22 21 23 24 23 26 30 32
MIN/MAX RH 74 62 86 38 95
RH 58 63 63 69 76 79 77 82 82 78 78 81 54 38 43 64 66 81 89 92
WIND DIR SE SE SE SE S S SW W NW NW N N N SE SE SE SE S S SE
WIND SPD 2 1 2 2 4 5 3 2 2 4 4 3 2 3 2 1 1 1 1 1
CLOUDS B2 B1 B2 OV OV OV B2 B1 SC SC FW FW FW FW SC B1 B2 OV OV OV
CLOUDS(%) 84 55 76100100100 80 61 38 30 18 13 16 24 37 67 81 93 94 92
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7
POP 12HR 10 30 0 5 80
FRZG RAIN S
RAIN C C C D D
SNOW C C D
MIX HGT <1 <1 <1 <1 1 1 <1 <1 <1 1 1 1 2 3 2 <1
T WIND DIR S S S SW SW SW W NW NW N N N N SE SE E
T WIND SPD 8 13 8 3 3 4 4 12 17 18 14 12 5 6 5 2
DISPERSION VP VP VP VP VP VP VP VP VP VP VP
ADI 4 6 4 4 4 7 5 6 8 8 7 17 13 25 17 1
MAX LVORI 3 3 3 3 4 4 4 5 4 4 4 3 2 2 2 3
STABILITY F F F D D D C F G F F B B B B F
CEILING 13500 2400 700 2400 None None None None 10700
STA PRES 28.41 28.34 28.27 28.21 28.29 28.37 28.41 28.33
Date 12/02Wed 12/03/25Thu 12/04/25Fri 12/05/25Sat 12/06/25
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 TEMP 48 27 47 27 51 28 45 32 46
TEMP 45 40 32 27 46 36 30 30 50 38 31 31 42 40 36 33 44 39
DEWPT 41 38 29 24 28 29 26 25 29 27 24 23 30 33 32 31 34 31
RH 86 92 88 88 49 75 85 81 44 64 75 72 62 76 85 92 68 73
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV B2 B1 SC FW FW FW SC SC SC B1 B1 B2 B2 B2 B2 B1 B1
POP 12HR 90 10 0 0 5 10 30 50 30
RAIN D C C C C C C S
$$
This product is for planning and review purposes only and is not
to be substituted for an official fire weather spot forecast. The
data displayed are calculated from a 2.5 by 2.5 km digital
database and only approximates weather conditions in highly
varying terrain. Please relay any comments you have to the NWS via
email at rnk.webmaster@noaa.gov.
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 humdity
RH(%)...............................Relative humidity
WIND DIR(8 POINT COMPASS)...........Wind direction
WIND SPD(MPH).......................Wind speed
CLOUDS(CATEGORY)....................Cloud cover category
EXAMPLE: CL = CLEAR; FW = FEW; SC = Scattered; BK = Broken; OV = Overcast
CLOUDS(%)...........................Cloud cover as a percentage
VSBY................................Visibility value in statute miles
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER...
TYPE...
RAIN...........Rain
RAIN SHWRS.....Rain showers
TSTMS..........Thunderstorms
DRIZZLE........Drizzle
SNOW...........Snow
SNOWSHWRS......Snow showers
SLEET..........Sleet
FRZG RAIN......Freezing rain
FRZG DRZL......Freezing drizzle
COVERAGE...
IS.............Isolated
SC.............Scattered
NM.............Numerous
O..............Occasional
S..............Slight chance
C..............Chance
L..............Likely
WD.............Widespread
D..............Definite
AR.............Areas
PA.............Patchy
MIX HGT(THOUSANDS OF FT AGL)........Mixing height
Example: 6 = 6000 feet; 12 = 12000 feet; <1 = Less than 1000 foot
t WIND DIR(8 POINT COMPASS).........Transport Wind direction
T WIND SPD(MPH).....................Transport Wind speed
DISPERSION(CATEGORY)................Smoke Dispersion category
Values: vp =Very Poor;PR = Poor; FR = Fair; GD = Good;
ADI (INDEX).........................Atmospheric Dispersion Index
MAX LVORI (INDEX)...................Low Visibility Occurrence Risk Index
STABILITY (CATEGORY)................Pasquill Turner Stability
CEILING (FT)........................Ceiling
STA PRES (INCHES MERCURY)...........Station pressure
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 SPD(MPH).......................Wind Speed
Example: <15 = less than 15 MPH; 15> = 15 MPH or greater
AVE CLOUDS(CATEGORY)................Average Cloud Cover Category
POP 12HR(%).........................Probability for accumulating precipitation
WEATHER.............................See Day 1 through 3 weather descriptions