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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Jan 19 2026
VAZ024-192100-
RAWS 441631
37.63N 79.51W Elev. 865 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 40 14 32 13 43
TEMP 32 39 39 30 25 22 18 15 23 30 32 26 20 16 15 15 27 41 43 37
DEWPT 10 10 6 2 0 -3 -3 -5 -7-11-10 -7 -4 0 1 2 3 9 13 15
MAX/MIN RH 25 41 15 58 26
RH 39 30 25 29 33 32 38 40 26 16 15 23 34 48 53 55 35 26 29 40
WIND DIR W W W W W W W W W W W W W W SW S S S S S
WIND SPD 8 11 10 6 5 4 4 5 6 8 5 1 1 1 1 1 3 8 6 3
WIND GUST 23 27 27 24 21 17 16 17 19 19 16 19 19 16
CLOUDS CL FW FW FW FW SC FW FW CL CL CL CL CL CL FW FW FW FW SC SC
CLOUDS(%) 5 6 6 7 6 34 8 8 5 5 5 4 3 5 7 7 6 10 36 42
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 4 4 5 1 2 2 1 2 4 5 5 <1 <1 <1 <1 <1 2 3 3 <1
T WIND DIR W W W W W W W W W W W W W W W SE S S S S
T WIND SPD 27 26 26 16 21 18 14 17 20 17 16 10 4 2 1 2 13 17 18 9
DISPERSION PR PR VP VP VP VP VP VP VP
ADI 97 77106 7 10 8 7 37 73 70 64 5 2 1 1 2 40 59 61 4
MAX LVORI 1 1 1 2 2 2 2 1 1 1 1 2 2 2 2 3 1 1 1 2
STABILITY C D C F F F F C C C C G G G G B B C C F
CEILING None None None None None None None None None None
STA PRES 28.46 28.51 28.63 28.70 28.79 28.83 28.88 28.86 28.82 28.67
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 49 23 42 21 31 13 27
TEMP 32 32 49 39 29 23 40 36 28 22 29 26 18 14 25 23
DEWPT 18 26 30 22 16 12 12 16 15 11 5 3 3 5 7 7
RH 56 78 48 50 58 62 31 43 58 62 35 36 51 67 46 50
WIND SPD <15 <15 <15 <15 <15 <15 <15 <15
AVG CLOUDS SC SC SC SC FW SC B1 B1 B1 B1 B2 B2 B2 B2 B1 B1
POP 12HR 10 20 5 20 30 40 40 40
RAIN S
SNOW S 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