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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Tue Jan 20 2026

NCZ006-210900-
RAWS 310801
36.37N  79.29W Elev. 580 ft
701 PM EST Tue Jan 20 2026

Date           01/20/26      Wed 01/21/26            Thu 01/22/26            Fri
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                 17          47          32          55          33
TEMP                23 20 17 17 30 44 46 39 37 36 34 34 44 55 56 48 41 39 37 35
DEWPT                2  2  3  4  7 14 17 19 22 23 24 25 30 34 34 34 33 33 33 32
MIN/MAX RH                   54          28          69          42          89
RH                  39 45 53 56 37 29 31 44 54 59 66 69 57 45 43 58 73 79 85 89
WIND DIR             N  N  N  S  S  S  S  S SW SW SW SW  W  W  W  W  W NW NW  N
WIND SPD             0  0  0  1  4  8  8  4  4  4  3  3  4  5  4  1  1  1  1  2
CLOUDS              CL CL CL CL CL SC SC SC B1 B1 B1 SC SC SC SC SC B1 B1 B2 OV
CLOUDS(%)            2  4  4  5  4 29 35 26 51 64 54 36 36 29 30 42 56 62 84 92
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  7  7  6
POP 12HR                      0           0           5          10          30
RAIN                                                                    C  C  C
MIX HGT             <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  1  2  3 <1            
T WIND DIR           E  E SE SE  S  S  S  S SW SW SW SW SW  W  S SW            
T WIND SPD           1  1  3  4 13 16 19  9  8  8  6  6  5  4  2  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  2  5 28 50 57  4  5  5  3  7  9 13  8  2            
MAX LVORI            2  2  2  2  2  1  1  2  3  3  3  3  2  2  2  3            
STABILITY            G  G  G  B  C  C  C  F  E  E  F  B  C  C  C  F            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.84 29.83 29.82 29.69 29.64 29.58 29.62 29.60            


Date           01/23Sat 01/24/26Sun 01/25/26Mon 01/26/26Tue 01/27/26
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       46      19      25      13      28      13      31       3      32
TEMP          44 38 30 20 24 19 16 15 24 24 18 13 29 23 11  4 29 22
DEWPT         31 24 16 10  8 11 12 14 18 18 14 10 17 13  5  1 15 12
RH            60 57 55 64 50 70 84 96 77 77 84 87 60 65 76 87 55 65
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B2 B2 OV OV OV OV OV B2 B1 B1 B1 SC FW FW FW FW
POP 12HR           50      40      80      90      80      30      10       0       5
FRZG RAIN                           S  S  S                        
RAIN           C  C  S                                             
SLEET                               S  S  S                        
SNOW                 C  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