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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Jan 19 2026
NCZ006-192100-
RAWS 310801
36.37N 79.29W Elev. 580 ft
701 AM EST Mon Jan 19 2026
Date Mon 01/19/26 Tue 01/20/26 Wed 01/21/26
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 45 17 39 15 46
TEMP 35 43 45 37 29 25 21 18 28 36 38 29 22 19 17 18 30 43 45 37
DEWPT 19 18 15 13 9 6 3 2 -1 -4 -4 -2 1 3 5 5 8 11 15 18
MAX/MIN RH 29 49 15 59 26
RH 52 36 29 37 42 44 45 49 28 17 16 25 39 49 58 56 39 27 29 46
WIND DIR W W W W NW NW NW NW NW NW W N N N S S S S S S
WIND SPD 5 9 8 3 3 2 2 2 4 5 3 0 0 0 1 2 4 8 6 3
WIND GUST 19
CLOUDS CL CL CL FW FW FW FW FW CL CL CL CL CL FW FW FW FW SC SC B1
CLOUDS(%) 4 5 5 8 7 16 8 9 3 5 4 3 3 6 6 6 21 42 38 53
VSBY 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR 0 0 0 0 0
MIX HGT 3 4 4 <1 <1 2 <1 <1 3 4 5 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W W W W NW NW NW NW NW W W SW SW S S S S S S
T WIND SPD 20 17 19 5 13 11 10 9 13 12 11 2 1 1 2 4 13 14 17 8
DISPERSION VP VP VP VP VP VP VP VP VP
ADI 60 63 74 3 6 5 5 10 41 47 63 1 1 1 1 5 32 52 52 4
MAX LVORI 1 1 1 2 2 2 2 2 1 1 1 2 2 2 3 3 1 1 1 2
STABILITY C C C G G G G B C C B G G G G B C C C F
CEILING None None None None None None None None None None
STA PRES 29.45 29.46 29.57 29.65 29.76 29.79 29.84 29.83 29.81 29.66
Date Thu 01/22/26Fri 01/23/26Sat 01/24/26Sun 01/25/26
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 28 54 25 47 23 34 15 29
TEMP 32 33 51 42 32 25 44 40 32 25 32 29 21 16 26 24
DEWPT 22 27 35 30 23 19 21 23 21 20 15 12 9 9 12 12
RH 66 78 54 62 69 78 39 50 63 81 49 48 59 73 55 60
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS B1 B1 SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR 20 20 10 20 40 50 50 50
FRZG RAIN S
RAIN S S S S S S
SNOW S C C C C C 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