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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Wed Jan 28 2026
VAZ012-290900-
RAWS 447502
37.01N 81.18W Elev. 2540 ft
701 PM EST Wed Jan 28 2026
Date 01/28/26 Thu 01/29/26 Fri 01/30/26 Sat
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 8 28 10 31 11
TEMP 15 13 10 8 16 26 27 17 12 11 11 11 23 30 29 22 19 17 13 11
DEWPT 1 2 0 -2 1 2 1 -1 3 5 6 7 13 15 16 15 13 12 9 6
MIN/MAX RH 66 30 84 51 86
RH 53 61 63 63 51 35 32 44 66 76 80 83 65 53 58 74 77 80 84 80
WIND DIR NW NW NW NW W W W NW NW W NW NW SE S NW N NE N N N
WIND SPD 11 17 14 9 5 6 5 3 2 2 1 1 1 2 2 2 2 2 2 3
WIND GUST 24 28
CLOUDS B1 B1 B1 B1 SC SC SC FW B1 B1 B2 B2 OV OV OV OV OV OV OV OV
CLOUDS(%) 58 57 64 56 46 32 30 21 55 66 81 83 92 95 91 96 96 95 95 94
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 5 0 5 60 70
SNOW S S L L L L L L L
MIX HGT <1 1 1 <1 2 3 3 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR W NW NW NW W W W W W N W SE SE S S E
T WIND SPD 20 29 25 13 16 13 13 5 4 0 2 2 6 8 4 5
DISPERSION FR GD GD VP VP VP VP VP VP VP VP
ADI 14 27 23 15 37 46 46 3 2 0 1 2 13 24 11 3
MAX LVORI 2 2 2 2 1 1 1 2 3 4 4 5 2 2 2 4
STABILITY E D D D B B B G F F F C C C C F
CEILING None 1700 None None None 3000 800 700 0
STA PRES 27.20 27.24 27.30 27.28 27.29 27.27 27.27 27.21
Date 01/31Sun 02/01/26Mon 02/02/26Tue 02/03/26Wed 02/04/26
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 19 2 17 3 30 11 35 18 41
TEMP 18 10 7 3 16 13 8 4 28 21 17 15 33 28 23 19 39 30
DEWPT 5 -1 0 -4 0 1 2 -1 9 10 10 11 18 19 17 15 21 20
RH 56 60 72 72 48 58 76 79 44 62 73 84 53 68 77 84 48 66
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS OV OV B2 B2 B1 SC SC SC SC SC SC SC B1 B1 B1 B2 B1 B1
POP 12HR 70 40 10 0 5 10 5 10 30
RAIN S C
SNOW L L 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