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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 AM EST Tue Jan 27 2026
VAZ018-272100-
RAWS 444002
37.56N 80.18W Elev. 2702 ft
731 AM EST Tue Jan 27 2026
Date Tue 01/27/26 Wed 01/28/26 Thu 01/29/26
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 30 9 28 11 25
TEMP 16 28 29 23 20 17 12 9 18 25 28 22 19 16 13 11 16 22 23 15
DEWPT -1 11 13 13 10 8 5 2 7 10 10 8 7 5 4 3 5 7 8 5
MAX/MIN RH 46 74 46 68 50
RH 46 48 51 65 64 67 73 72 61 52 46 54 59 61 67 69 61 52 52 64
WIND DIR W W W W W NW NW W W W W W W NW NW NW W W W W
WIND SPD 6 10 10 10 11 10 6 4 5 6 6 6 9 10 10 10 9 9 8 5
WIND GUST 26 32 35 35 39 35 26 18 20 21 25 26 32 36 35 26 23 20 18
CLOUDS CL CL FW SC B1 B1 SC SC SC SC SC SC SC SC SC FW SC SC SC SC
CLOUDS(%) 4 5 22 46 62 51 46 41 39 39 38 29 34 38 40 25 26 39 35 42
VSBY 10 10 10 10 10 10 10 10 10 9 10 10 9 10 10 10 9 9 10
POP 12HR 0 10 0 20 5
FLURRIES SC SC SC SC SC SC
SNOWSHWRS IS IS
MIX HGT 1 3 3 1 2 2 1 <1 2 3 3 1 1 1 1 <1 2 3 3 <1
T WIND DIR W W W W W NW NW NW W W W W W NW NW NW W W W W
T WIND SPD 13 31 31 36 37 31 26 16 14 17 23 11 17 25 18 13 17 18 19 17
DISPERSION FR FR FR PR PR PR FR FR PR
ADI 23 97106 41 42 35 18 17 32 61 90 5 12 17 12 13 46 60 76 12
MAX LVORI 2 1 1 1 1 3 3 3 1 1 1 2 2 2 3 3 1 1 1 3
STABILITY B C C D D D E B B B B F E E E C C C B E
CEILING None None 2400 None None None None None None None
STA PRES 27.82 27.73 27.80 27.83 27.85 27.76 27.76 27.77 27.81 27.79
Date Fri 01/30/26Sat 01/31/26Sun 02/01/26Mon 02/02/26
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 5 22 3 16 4 20 10 29
TEMP 8 6 21 13 6 3 14 9 5 5 17 13 12 10 26 21
DEWPT 1 1 8 5 0 -2 3 0 -2 -2 4 4 2 2 10 10
RH 72 79 56 70 76 79 61 66 72 72 56 67 63 69 50 62
WIND SPD <15 <15 <15 <15 <15 15> <15 <15
AVG CLOUDS B1 B2 B2 B2 B2 B2 OV OV OV OV B2 B1 SC SC SC SC
POP 12HR 5 30 30 30 20 10 5 5
SNOW C C C C 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