EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EST Thu Jan 22 2026

NCZ001-230900-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
1231 AM EST Thu Jan 22 2026

Date           01/21/26      Thu 01/22/26            Fri 01/23/26            Sat
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                 31          41          28          36          17
TEMP                   36 32 33 33 38 38 32 32 30 29 31 32 34 33 28 25 23 21 18
DEWPT                  28 32 30 29 25 23 23 22 19 18 18 19 20 18 16 14 11 10 11
MIN/MAX RH                   99          54          69          54          73
RH                     72100 89 85 59 54 69 66 63 63 58 58 56 53 60 62 59 62 73
WIND DIR                W  W  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW  N  E
WIND SPD               19 24 23 18 12 10 10 10  9  8  9  8  8 10 13 13 12 11 11
WIND GUST              31                                                      
CLOUDS                 B1 B2 B1 SC FW SC SC B1 B1 B2 B2 OV B2 B2 B1 B1 B2 B2 OV
CLOUDS(%)              68 77 65 44 24 39 28 57 67 75 84 90 87 80 69 65 76 84 90
VSBY                   10  9 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  8   
POP 12HR                     30           5          10          20          30
RAIN                                                        S                  
SLEET                                                                         S
SNOW                                                  S  S     S        C  C  L
MIX HGT                <1 <1 <1  1  2  2 <1 <1 <1 <1 <1 <1  2  2 <1            
T WIND DIR              W  W  W  W  W NW NW NW NW NW NW  S SW NW NW            
T WIND SPD              8  8 11 11 14 12 10  6  6  4  2  3  1  9 11            
DISPERSION             GD GD             FR FR PR PR             FR FR FR FR   
ADI                     7  7 13 15 25 27  7  6  6  4  2  4  2 16 10            
MAX LVORI               4  8  5  4  2  2  3  3  3  3  3  3  3  2  2            
STABILITY               D  D  D  D  D  C  E  D  D  D  C  D  D  D  D            
CEILING                     400  None  None  None 14200  7300   900  2800      
STA PRES                  26.76 26.78 26.76 26.78 26.77 26.79 26.78            


Date           01/24Sun 01/25/26Mon 01/26/26Tue 01/27/26Wed 01/28/26
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       20      13      27      11      17       2      23      11      27
TEMP          17 15 15 18 21 27 23 13 13 10  7  3 18 16 13 13 24 21
DEWPT         13 10 11 15 21 24 19  9  7  2 -2 -4  4  3  3  2 12 11
RH            84 80 84 88100 88 84 84 76 69 66 72 53 56 63 61 60 65
WIND SPD          <15     15>     <15     15>     15>     15>     15>     15>     15>
AVG CLOUDS    OV OV OV OV OV B2 B2 B2 B1 SC SC SC FW FW FW SC B1 B1
POP 12HR           90     100      90      50      10       5       5       0       5
SLEET          S  S  S  S  D                                       
SNOW           L  D  D  D  D  L  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