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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 PM EST Sun Jan 11 2026
NCZ001-120900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
201 PM EST Sun Jan 11 2026
Date 01/11/26 Mon 01/12/26 Tue 01/13/26 Wed
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 17 37 28 46 36
TEMP 19 19 19 18 18 21 26 34 34 32 30 29 28 29 35 42 46 43 39 37 36 36
DEWPT 11 10 11 11 10 9 8 9 9 1 7 11 12 13 14 16 18 20 20 20 21 24
MIN/MAX RH 75 26 51 32 62
RH 70 67 70 73 70 59 46 35 35 26 37 46 50 51 41 34 32 39 46 50 54 61
WIND DIR NW NW NW NW NW NW W W W W W W W W W W W W W W W W
WIND SPD 31 33 27 20 18 14 9 8 9 8 9 10 10 9 9 9 9 9 11 14 16 16
WIND GUST 48 49 40
CLOUDS SC SC B1 SC SC FW FW FW FW CL CL FW FW FW FW FW FW FW SC SC SC B1
CLOUDS(%) 42 29 51 46 34 13 9 6 8 4 3 21 18 12 19 23 17 18 34 44 44 66
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 10 0 0 0 0
SNOWSHWRS SC
MIX HGT 3 2 1 <1 <1 <1 <1 1 1 <1 <1 <1 <1 <1 <1 2 2 <1
T WIND DIR NW NW NW NW NW NW NW W W W W W NW W W W SW W
T WIND SPD 34 33 32 23 12 9 10 11 10 5 6 8 8 5 4 18 11 9
DISPERSION GD GD GD GD PR PR FR FR PR FR GD GD
ADI 78 37 29 21 11 10 8 21 15 4 5 5 5 4 4 40 22 6
MAX LVORI 3 3 3 3 3 2 2 2 2 2 2 2 2 2 2 1 2 2
STABILITY D D D D D D C C C E E E E C C C C E
CEILING None None None None None None None None None
STA PRES 26.83 26.86 26.89 26.83 26.82 26.78 26.75 26.63
Date 01/14Thu 01/15/26Fri 01/16/26Sat 01/17/26Sun 01/18/26
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 38 20 23 13 28 20 31 18 24
TEMP 37 38 33 20 22 19 16 15 24 25 23 22 28 25 22 19 22 19
DEWPT 29 31 28 18 10 6 6 4 11 13 13 15 19 19 18 15 11 9
RH 72 76 82 92 59 56 64 61 57 60 65 74 68 78 84 84 62 64
WIND SPD <15 15> 15> 15> 15> 15> 15> 15> 15>
AVG CLOUDS B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 B1 B1 B1 B2 B1 SC
POP 12HR 10 70 60 10 0 5 10 30 20
RAIN SHWRS NM
SNOW L L S S 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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