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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Fri Jan 9 2026
NCZ001-100900-
RAWS 310142
36.40N 81.46W Elev. 4608 ft
701 PM EST Fri Jan 9 2026
Date 01/09/26 Sat 01/10/26 Sun 01/11/26 Mon
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 51 54 24 28 19
TEMP 52 51 52 51 51 52 53 51 47 41 32 26 26 25 23 22 22 21 20 19
DEWPT 51 51 51 50 50 51 52 49 45 38 28 21 19 13 9 9 11 12 12 11
MIN/MAX RH 100 90 99 55 71
RH 96100 96 96 96 96 96 93 93 89 85 81 74 60 54 57 62 68 71 70
WIND DIR SW SW SW S S SW SW W W W NW W W NW NW NW NW NW NW NW
WIND SPD 5 5 5 8 10 11 13 19 26 33 37 40 39 33 34 40 35 29 24 18
WIND GUST 46 46
CLOUDS OV OV OV OV B2 OV OV B2 B2 B2 B1 SC B1 SC FW FW FW SC SC FW
CLOUDS(%) 90 93 93 99 86 95 88 85 85 84 61 30 60 39 19 12 23 36 26 17
VSBY 4 4 4 2 2 4 6 7 6 10 10 10 10 10 10 10
POP 12HR 100 100 50 10 0
RAIN L C C C
RAIN SHWRS NM O NM O NM
MIX HGT <1 <1 <1 <1 <1 1 1 <1 1 1 1 1 4 5 4 2
T WIND DIR S SW SE SE S SW W W W NW NW W W NW NW NW
T WIND SPD 2 3 1 6 9 4 11 12 16 24 31 24 49 48 36 35
DISPERSION PR PR PR GD GD GD GD GD GD GD GD
ADI 2 2 1 8 10 7 18 11 14 27 28 33140149 99 40
MAX LVORI 10 9 9 6 7 8 5 5 5 4 4 3 3 1 1 1
STABILITY E E E D D D D D D D D D D D D D
CEILING 500 500 400 300 300 None None None None
STA PRES 26.81 26.72 26.63 26.61 26.63 26.62 26.65 26.74
Date 01/12Tue 01/13/26Wed 01/14/26Thu 01/15/26Fri 01/16/26
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 36 25 45 31 39 25 28 17 30
TEMP 34 29 27 26 43 34 35 34 38 34 33 26 25 22 20 18 28 26
DEWPT 9 12 10 12 17 22 21 23 27 28 27 22 17 13 12 11 13 16
RH 35 48 48 55 35 61 56 64 64 78 78 85 71 68 71 73 53 65
WIND SPD <15 <15 <15 15> <15 15> 15> 15> <15
AVG CLOUDS FW CL CL CL FW FW SC B2 B2 B2 B2 B2 B2 B2 B1 B1 SC FW
POP 12HR 0 0 0 5 20 40 40 20 10
SNOW S S C C C C S 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