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

NCZ001-212100-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
931 AM 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                 35          29          39          29          34
TEMP                28 34 34 30 33 33 31 33 33 37 39 33 31 30 31 30 30 33 33 27
DEWPT                8  8 12 13 18 25 31 27 26 17 14 12 22 21 23 23 22 23 21 18
MAX/MIN RH                   31         100          31          73          62
RH                  42 33 39 49 53 72100 78 75 44 35 41 69 69 72 75 72 66 61 68
WIND DIR            SW  S SW SW  W  W  W  W  W  W  W  W  W  W  W NW NW NW NW NW
WIND SPD            11 13 14 13 16 19 24 23 18 13 10  9  9  9 10 10 10 10 10 14
CLOUDS              FW FW SC B1 B2 B1 B1 B1 SC FW SC SC B1 B2 B2 B2 OV B2 B2 B2
CLOUDS(%)            8 22 50 59 72 68 67 62 42 24 28 35 55 71 73 86 91 82 71 79
VSBY                10 10 10 10 10 10  8  6  7 10 10 10 10  6  6  5  5  6  6  6
POP 12HR                      0          10          10          30          30
FRZG RAIN                                                S  C  C  C            
RAIN                                                  S              C         
SNOW                                                                 C  S  S  S
MIX HGT             <1  2  1 <1 <1 <1 <1 <1  1  2  1 <1 <1 <1 <1 <1 <1  2  2 <1
T WIND DIR           S  S  S  S SW SW  W  W  W  W  W NW NW NW  W SW SW  W  N NW
T WIND SPD          11 14 12 10  8  8 11 17 16 13 13  5  4  3  1  2  3  2 11 12
DISPERSION                   FR GD GD GD             PR PR PR FR             GD
ADI                 13 24 19  9  7  7 10 19 22 25 27  4  4  3  1  2  4  4 22 11
MAX LVORI            2  2  2  2  2  3  7  3  3  2  2  2  3  3  3  3  3  3  2  3
STABILITY            D  D  D  D  D  D  D  D  D  D  C  E  D  D  D  C  D  D  D  D
CEILING                    None  4400  1000  None  None 21800 14200  7800   700
STA PRES                  26.82 26.79 26.74 26.78 26.77 26.78 26.76 26.79 26.77


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       16      18      12      23      10      17       4      25
TEMP          21 17 16 15 14 16 17 22 18 11 14 12  7  5 22 17
DEWPT         10  9 11 10 10 13 17 17 14  6  8  4 -2 -4  7  7
RH            62 70 80 80 84 88100 81 84 80 76 70 66 65 52 64
WIND SPD          <15     <15     <15     <15     15>     15>     15>     15>
AVG CLOUDS    B2 B2 OV OV OV OV OV B2 B2 B2 B1 SC SC FW FW FW
POP 12HR           30      80     100      80      40      10       5       5
SLEET                      S  S                              
SNOW           S  C  L  D  D  D  D  C  C  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