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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Wed Sep 23 2026

VAZ018-240800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
231 AM EDT Wed Sep 23 2026

Date           09/22/26      Wed 09/23/26            Thu 09/24/26            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
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                 55          58          50          63          43
TEMP                      56 55 55 55 55 53 55 55 53 52 55 60 62 55 50 48 46 45
DEWPT                     54 54 53 53 54 52 51 49 48 47 49 49 47 48 45 43 41 40
MIN/MAX RH                  100          92          98          58          86
RH                        93 96 93 93 96 96 86 80 83 83 80 67 58 77 83 83 83 82
WIND DIR                   E  E  E  E  E  E NE NE NE NE NE  E NE NE NE  N  N NW
WIND SPD                   8  8  6  6  6  6  8  8  8  8  5  4  4  3  4  4  4  4
WIND GUST                 26 25 20 18 18 21 23 24 25 24 17          14 16 14 17
CLOUDS                    OV B2 OV B2 OV B2 OV OV OV B2 B2 B2 B1 CL FW FW CL CL
CLOUDS(%)                 89 87 88 83 88 85 93 93 89 83 86 86 62  3 17 10  2  3
VSBY                       3  2  4  3  3  5  4  7  8 10 10 10 10 10            
POP 12HR                     50          60          80          40           0
RAIN                       C  C  C           C  C  D  C                        
RAIN SHWRS                         SC SC NM                                    
TSTMS                                                                          
MIX HGT                    1  1  1  1  1  1  1  1  1  1  2  2  2 <1            
T WIND DIR                NE NE NE NE NE NE NE NE NE NE  N NE NE NE            
T WIND SPD                11 11 13 13 12 12 12 13 14 13 12 12 13 11            
DISPERSION                PR             PR PR PR PR             VP VP VP VP   
ADI                       10 16 21 22 20  8 14 15 17 21 21 24 28  5            
MAX LVORI                  6  5  5  5  5  8  5  5  5  5  5  3  3  4            
STABILITY                  D  D  D  D  D  E  D  D  D  D  D  D  D  F            
CEILING                     100   200   200   200   200   200  None  None      
STA PRES                  27.98 28.03 28.02 28.02 27.97 27.98 27.96            


Date           09/25Sat 09/26/26Sun 09/27/26Mon 09/28/26Tue 09/29/26
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       71      45      75      48      73      50      75      50      79
TEMP          71 58 49 46 74 60 51 49 71 60 53 51 73 62 54 51 76 66
DEWPT         43 43 41 41 46 47 45 45 49 48 47 46 53 51 49 48 58 57
RH            36 57 74 83 37 62 80 86 46 64 80 83 49 67 83 89 54 73
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL CL CL CL FW FW FW FW FW FW FW FW FW FW FW
POP 12HR            0       0       0       0       0       0       0       0       0

$$


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