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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EST Mon Jan 19 2026
NCZ003-200900-
RAWS 310301
36.48N 80.86W Elev. 1300 ft
501 PM EST Mon Jan 19 2026
Date 01/19/26 Tue 01/20/26 Wed 01/21/26 Thu
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 15 35 16 43 27
TEMP 31 26 21 18 16 25 33 34 26 22 20 18 18 29 40 43 36 32 31 31 33
DEWPT 9 6 3 0 -2 -5 -9 -5 2 3 3 4 4 5 12 17 18 19 21 25 28
MIN/MAX RH 45 19 55 32 82
RH 39 42 45 44 44 26 15 18 35 43 47 53 53 35 31 35 47 58 66 78 82
WIND DIR SW W NW NW NW NW NW W N N N N S S S S SW SW W W W
WIND SPD 3 2 2 2 2 4 5 3 0 0 0 0 1 2 6 5 2 1 1 1 2
WIND GUST 14 14 12 17 16
CLOUDS FW SC FW FW FW CL CL FW FW CL FW FW FW FW FW SC SC B1 B1 B2 B1
CLOUDS(%) 14 31 10 8 6 5 5 6 6 5 6 9 10 8 18 27 45 53 65 75 62
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 7
POP 12HR 0 0 0 0 10
RAIN S
MIX HGT 1 1 <1 1 1 3 4 4 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR NW NW NW NW NW NW W W NW W NW SE SE S SW S SW
T WIND SPD 18 19 14 13 13 16 16 13 6 2 1 1 2 16 18 16 9
DISPERSION VP VP VP VP VP VP VP VP VP VP VP VP
ADI 8 9 7 6 19 48 61 69 3 1 1 1 2 47 61 50 4
MAX LVORI 2 2 2 2 2 1 1 1 2 2 2 2 2 1 1 1 2
STABILITY G G G G B C C B G G G G B B C C F
CEILING None None None None None None None None None
STA PRES 28.24 28.30 28.40 28.41 28.47 28.45 28.44 28.33
Date 01/22Fri 01/23/26Sat 01/24/26Sun 01/25/26Mon 01/26/26
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 52 28 43 21 30 14 29 9 33
TEMP 49 43 33 29 41 35 29 22 27 23 18 15 26 24 15 9 29 24
DEWPT 31 29 27 24 23 20 16 13 14 13 11 10 13 11 6 4 12 12
RH 50 57 78 81 48 54 58 68 57 65 73 80 57 57 67 80 48 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC FW SC B1 B2 B2 B2 B2 OV OV OV OV B2 B1 SC SC SC FW
POP 12HR 20 20 30 40 60 60 50 20 10
RAIN S S C S
SNOW C S C L L L L C C 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