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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 PM EDT Mon Sep 21 2026

NCZ003-220800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
1131 PM EDT Mon Sep 21 2026

Date           09/21/26      Tue 09/22/26            Wed 09/23/26            Thu
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 67          74          59          62          55
TEMP                   69 69 68 70 73 72 67 64 62 61 60 61 61 61 60 59 58 57 56
DEWPT                  68 67 67 69 69 68 66 63 62 60 59 60 60 60 60 59 58 57 56
MIN/MAX RH                  100          87          98          97         100
RH                     97 93 97 97 87 87 97 97100 97 96 97 97 97100100100100100
WIND DIR                E NE NE  E  E NE NE NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD                5  4  4  3  3  4  9 11 13 14 13 10 10  9 12 14 14 13 11
WIND GUST                                               23 21 20               
CLOUDS                 B2 B2 B2 OV B2 B2 OV OV OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)              76 74 84 90 77 80 90 94 93 90 81 86 81 82 85 84 83 85 78
VSBY                    5  4  5  6  8  5  4  3  6  5  6  6  6  6 10            
POP 12HR                     40          80          90          70          70
RAIN                                      D  D  L  C  L  L  L  L  L  L  L  L  C
RAIN SHWRS             SC SC SC SC NM NM                                       
TSTMS                        IS IS SC SC                                       
MIX HGT                <1 <1  1  1  2  2  1  1  1  1  1  2  2  2  1            
T WIND DIR             NE NE NE SE SW  N NE NE NE NE NE NE NE NE NE            
T WIND SPD              6  5  4  4  3  4 11 12 11 12 13 12 16 16 12            
DISPERSION             PR VP             PR FR FR GD             FR GD GD FR   
ADI                     5  4  6  8  8  8 10 11 10 11 21 22 29 31 14            
MAX LVORI               7  8  9  6  5  5  6  7  7  7  5  5  4  4  5            
STABILITY               E  E  C  C  C  D  D  D  D  D  D  D  D  D  D            
CEILING                     500  3200  1300   600   600   700   700   700      
STA PRES                  28.99 29.02 29.00 29.06 29.07 29.13 29.14            


Date           09/24Fri 09/25/26Sat 09/26/26Sun 09/27/26Mon 09/28/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       63      51      71      49      73      50      75      51      74
TEMP          60 58 53 52 69 62 53 50 69 63 53 51 72 65 54 52 72 64
DEWPT         60 58 53 51 55 55 49 46 51 52 48 47 52 54 50 50 59 60
RH           100100100 96 61 78 86 86 53 67 83 86 49 68 86 93 64 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 SC SC FW FW FW FW CL FW FW FW FW FW SC FW FW FW
POP 12HR           30       0       0       0       0       0       0       0       5
RAIN           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