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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Thu Jan 8 2026
NCZ001-090900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
701 PM EST Thu Jan 8 2026
Date 01/08/26 Fri 01/09/26 Sat 01/10/26 Sun
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 43 53 51 53 29
TEMP 44 44 45 48 48 51 52 52 53 53 53 52 51 52 52 52 49 43 37 32
DEWPT 34 39 43 45 48 50 50 51 52 51 52 51 51 52 52 51 46 39 32 24
MIN/MAX RH 94 91 97 92 99
RH 68 82 93 89100 96 93 96 96 93 96 96100100100 96 89 86 82 72
WIND DIR S S S S S SW SW SW SW SW S S S SW SW W W W NW W
WIND SPD 13 14 13 13 12 10 8 8 6 5 9 13 14 13 13 19 25 29 34 35
CLOUDS B2 B2 OV OV OV OV OV OV OV OV OV OV OV OV OV OV B2 B2 B2 SC
CLOUDS(%) 71 84 94 93 94 89 95 89 92 90 93 94 96 95 95 92 87 85 74 49
VSBY 10 10 5 3 5 6 3 4 2 2 3 2 1 1 5 10
POP 12HR 10 80 100 100 50
RAIN L D
RAIN SHWRS NM NM O O O O O O SC SC
TSTMS IS IS
MIX HGT <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 <1 1 2 2 1
T WIND DIR SE S S S S S SW SW SW S SW S S SW W W
T WIND SPD 9 9 6 6 6 11 8 5 5 4 3 3 8 13 6 16
DISPERSION FR GD FR PR PR PR PR GD GD GD GD
ADI 8 8 6 8 8 14 9 5 4 3 3 4 12 26 11 14
MAX LVORI 3 4 5 5 8 5 6 7 8 6 6 8 5 4 7 5
STABILITY D D D D D D D D E E D D D D D D
CEILING 9900 11600 500 2300 500 1500 400 300 300
STA PRES 26.79 26.77 26.77 26.73 26.77 26.73 26.65 26.59
Date 01/11Mon 01/12/26Tue 01/13/26Wed 01/14/26Thu 01/15/26
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 33 18 33 25 41 31 39 28 31
TEMP 25 22 20 19 31 26 27 27 39 33 32 34 37 34 33 30 27 25
DEWPT 16 9 11 11 10 12 9 10 17 20 19 20 26 29 29 26 21 19
RH 68 57 67 70 41 55 46 48 40 58 58 56 64 82 85 85 78 78
WIND SPD 15> 15> <15 <15 <15 <15 <15 15> 15>
AVG CLOUDS B1 B1 SC SC FW CL CL FW FW FW SC B2 B2 B2 B2 B2 B2 B2
POP 12HR 10 0 0 0 0 5 20 30 20
RAIN S S C
SNOW S 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
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