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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
308 AM EST Sun Jan 11 2026
VAZ018-112100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
308 AM EST Sun Jan 11 2026
Date Sun 01/11/26 Mon 01/12/26 Tue 01/13/26
UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19
MAX/MIN TEMP 37 24 45 31 54
TEMP 40 34 37 34 31 31 29 28 25 26 33 42 44 37 33 33 32 31 40 51 52 45
DEWPT 34 26 26 21 15 13 15 16 18 18 18 18 17 16 16 17 19 19 22 26 28 26
MAX/MIN RH 47 76 33 61 37
RH 79 72 64 58 51 47 55 60 74 71 53 37 33 42 49 51 58 61 48 37 39 47
WIND DIR W W W W NW NW NW NW NW W W W W W W W W W W SW SW SW
WIND SPD 16 13 16 19 19 21 18 13 12 6 6 6 5 3 3 4 3 3 3 5 5 5
WIND GUST 28 26 31 35 36 41 37 26 23 24 21 18 18 16 17 19 16 14 13 17 18 20
CLOUDS SC SC B1 B1 SC SC SC SC SC SC FW FW CL CL FW FW SC SC FW FW FW SC
CLOUDS(%) 49 28 56 66 40 26 31 40 38 36 12 8 5 5 10 20 37 31 11 19 20 34
VSBY 10 10 6 6 6 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 20 5 0 0 0
SNOW S S S
MIX HGT 2 <1 4 5 4 3 2 2 2 1 1 2 2 <1 <1 <1 <1 <1 1 2 2 <1
T WIND DIR NW W W W NW NW NW NW NW W W W W W W W W W W W SW SW
T WIND SPD 26 21 29 36 39 36 33 26 20 13 11 14 16 6 8 6 10 9 11 16 9 8
DISPERSION GD GD GD FR FR VP VP VP VP PR
ADI 30 27 83115111 49 45 36 23 17 19 40 46 3 4 3 5 10 18 44 24 4
MAX LVORI 3 3 1 1 1 1 1 1 3 3 2 1 1 2 2 2 3 3 2 1 2 2
STABILITY D D D D D D D D D C C C C G G F G B B C C F
CEILING None None None None None None None None None None
STA PRES 27.72 27.84 27.97 28.00 28.01 27.92 27.89 27.86 27.84 27.68
Date Wed 01/14/26Thu 01/15/26Fri 01/16/26Sat 01/17/26
UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19
MIN/MAX TEMP 38 49 27 34 20 39 26 42
TEMP 41 38 48 41 35 28 31 25 22 21 36 33 29 28 42 33
DEWPT 26 29 34 32 26 19 14 9 8 10 16 18 20 21 23 21
RH 55 70 58 70 69 68 49 50 54 62 43 53 69 75 46 61
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR 5 40 60 40 20 10 20 20
RAIN S C L L S
SNOW S L C S S S 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