EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EST Wed Jan 21 2026

VAZ018-212100-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
131 PM EST Wed Jan 21 2026

Date             Wed 01/21/26            Thu 01/22/26            Fri 01/23/26
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                 42          35          48          28          41
TEMP                      42 37 35 37 36 38 41 47 46 36 32 30 29 29 36 40 39 30
DEWPT                     13 16 20 29 33 32 30 26 22 20 18 17 18 16 16 15 14 10
MAX/MIN RH                   26          87          38          61          34
RH                        30 42 54 72 89 79 65 43 38 52 56 58 63 58 43 36 35 42
WIND DIR                  SW SW  W  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW
WIND SPD                  12  5  5  6  8  9 10  9  6  3  2  2  2  3  4  6  6  6
WIND GUST                    23 23 26 28 31 31 27 25 16 14 13 13 14 18 20 23 25
CLOUDS                    SC SC SC SC SC SC SC FW FW FW FW SC B1 B2 B2 B2 B2 B1
CLOUDS(%)                 41 33 30 34 50 41 27 16 18 21 23 41 63 73 75 81 78 54
VSBY                      10 10 10 10 10 10 10 10 10 10 10 10 10 10  9  9  9 10
POP 12HR                      0          20           0           5          10
RAIN                             S                                             
MIX HGT                    2 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  3  3  2
T WIND DIR                 S  S SW SW  W  W  W  W  W  W  W NW NW NW NW  W NW NW
T WIND SPD                16 12  6  6  6 19 25 19 20 13  9 11 10  8 11  9 12 17
DISPERSION                   PR PR PR PR             VP VP VP VP             PR
ADI                       32  6  3  3  6 23 69 64 63  6  4  5  5  6 19 21 30 12
MAX LVORI                  1  2  2  3  5  3  1  1  1  2  3  3  3  3  2  2  2  2
STABILITY                  D  F  F  F  D  C  C  C  C  G  G  F  F  C  D  D  D  E
CEILING                    None  None  None  None  None  None 21300 14600  6200
STA PRES                  27.93 27.90 27.86 27.89 27.87 27.92 27.93 27.96 27.94


Date          Sat 01/24/26Sun 01/25/26Mon 01/26/26Tue 01/27/26
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       19      24      14      25      13      24       4      28
TEMP          22 19 23 17 14 15 21 22 21 14 22 14 10  5 24 20
DEWPT          4  3  9  8  8 10 15 16 15 10  9  2 -1 -3  5  5
RH            45 49 54 67 76 80 77 77 77 84 57 58 60 69 43 51
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 OV OV OV OV B2 B2 B2 B1 B1 SC SC FW FW
POP 12HR           20      80     100      90      50      10      10       0
SNOW              S  C  D  D  D  D  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