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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EST Fri Jan 9 2026
VAZ012-100900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
231 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 60 30 36 18
TEMP 58 54 53 53 52 52 56 59 58 54 50 42 34 30 34 34 30 25 23 23 20 19
DEWPT 52 53 52 52 51 50 53 53 51 49 46 37 28 22 21 13 10 11 13 14 14 13
MIN/MAX RH 98 75 88 41 80
RH 80 96 96 96 96 93 90 80 77 83 86 82 78 72 58 41 42 55 65 68 77 77
WIND DIR SW SW SW SW S S S S W W W NW W W W W NW NW NW NW NW W
WIND SPD 2 2 1 1 1 2 2 3 3 4 5 6 6 6 8 9 9 8 6 6 4 3
WIND GUST 17 18 21 25 24 23 20 17
CLOUDS OV OV OV OV OV OV OV OV OV OV OV B2 B1 SC B1 B1 SC SC SC SC SC FW
CLOUDS(%) 93 92 91 90 92 96 92 94 93 89 88 83 58 45 59 65 33 30 38 45 33 23
VSBY 4 4 4 4 3 2 3 5 6 8 6 7 7 7 6 10 10 10
POP 12HR 90 100 70 20 5
RAIN L C C S L L S
RAIN SHWRS NM O O O NM
SNOW S S S S
MIX HGT 1 <1 <1 <1 <1 <1 <1 2 1 <1 1 2 2 2 5 6 4 2
T WIND DIR SW SW S SW S E E W NW W W NW W W W W NW NW
T WIND SPD 6 4 2 4 2 4 3 3 10 12 10 25 21 17 42 43 34 34
DISPERSION VP VP VP VP VP PR PR PR PR PR PR VP
ADI 13 2 1 2 1 4 4 8 17 8 7 17 15 36125141131 23
MAX LVORI 4 6 8 8 8 6 6 4 3 4 5 3 4 3 1 1 1 2
STABILITY C F F F F C C C C E E E E C D D C E
CEILING 200 100 100 400 300 1200 2100 None None
STA PRES 27.36 27.29 27.19 27.15 27.17 27.19 27.22 27.33
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 43 24 51 32 46 25 34 16 37
TEMP 40 33 27 25 50 38 36 34 46 38 33 26 34 26 21 17 36 30
DEWPT 11 14 15 14 19 22 24 25 28 30 28 22 16 13 13 12 13 16
RH 30 45 60 62 29 52 61 69 49 73 82 85 47 57 71 80 38 55
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS FW CL FW CL FW FW SC B1 B2 B2 B2 B2 B2 B2 B1 B1 SC SC
POP 12HR 0 0 0 10 30 60 40 30 10
RAIN S C C L
SNOW S L 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