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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
732 AM EST Wed Jan 28 2026
NCZ003-282100-
RAWS 310302
36.35N 80.48W Elev. 1076 ft
732 AM EST Wed Jan 28 2026
Date Wed 01/28/26 Thu 01/29/26 Fri 01/30/26
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 34 11 34 18 30
TEMP 23 31 34 28 21 17 13 11 21 29 34 25 22 20 19 19 23 27 29 26
DEWPT 13 15 15 13 9 6 5 4 8 9 11 9 9 9 9 10 12 14 16 17
MAX/MIN RH 45 70 37 69 57
RH 65 51 45 53 59 61 70 73 56 42 38 50 57 62 64 67 62 57 58 68
WIND DIR NW W W W W NW NW NW NW W W NW N NE NE NE E E E NE
WIND SPD 3 5 6 8 5 5 5 3 4 4 3 2 2 3 3 4 3 3 4 5
CLOUDS B1 FW FW FW FW FW FW FW SC SC SC SC SC B1 B2 B2 OV OV OV OV
CLOUDS(%) 56 8 11 6 6 9 14 6 30 47 37 26 44 65 78 86 96 99100100
VSBY 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 5 30
SNOW C C C
MIX HGT 2 4 3 <1 <1 <1 <1 <1 2 3 3 <1 <1 <1 <1 <1 1 3 2 <1
T WIND DIR W W W W W NW NW NW W W W SW W N NE E E S E E
T WIND SPD 10 12 16 12 10 16 14 13 12 11 11 2 1 1 1 4 6 3 3 10
DISPERSION PR PR PR PR VP VP VP VP PR
ADI 28 55 60 8 5 7 7 14 30 39 42 1 1 1 1 4 11 10 7 9
MAX LVORI 3 1 1 2 3 3 3 3 2 1 1 2 3 3 4 3 2 2 3 3
STABILITY B B B E F F F B B B B G F F F C C C D D
CEILING None None None None None None None 6400 8000 4300
STA PRES 29.14 29.04 29.05 29.11 29.17 29.10 29.12 29.11 29.13 29.06
Date Sat 01/31/26Sun 02/01/26Mon 02/02/26Tue 02/03/26
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 16 19 11 23 11 33 14 37
TEMP 21 16 18 16 12 12 20 18 14 12 28 26 18 16 33 28
DEWPT 15 9 9 6 2 1 6 5 3 4 13 14 12 11 21 19
RH 77 73 67 64 63 60 54 56 61 70 53 60 77 80 61 68
WIND SPD <15 <15 15> 15> <15 <15 <15 <15
AVG CLOUDS OV OV OV OV B2 B2 B1 SC FW SC SC SC SC SC SC SC
POP 12HR 60 60 40 10 5 5 5 5
SNOW C L L L C C
$$
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