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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Sun Sep 13 2026

NCZ006-140800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
131 AM EDT Sun Sep 13 2026

Date           09/12/26      Sun 09/13/26            Mon 09/14/26            Tue
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                 70          90          68          88          58
TEMP                   72 72 71 81 88 90 82 74 72 69 70 84 87 85 76 69 65 60 60
DEWPT                  72 71 71 75 73 72 72 72 69 68 67 69 68 67 65 61 57 53 53
MIN/MAX RH                  100          57          95          52          81
RH                    100 97100 82 61 56 72 93 90 97 90 61 53 55 69 76 75 78 78
WIND DIR               SW SW SW  W NW  W  W  N  N NW NW  N  N NE NE  E NE NE NE
WIND SPD                1  1  2  4  3  3  1  0  0  1  2  6  8  6  4  3  2  2  2
CLOUDS                 OV B2 B1 SC FW SC SC FW FW SC CL FW SC SC FW FW FW SC SC
CLOUDS(%)              89 70 69 37 22 40 31 20  6 28  0 16 32 31 18 17 21 40 35
VSBY                    6  6  5 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     60           5           5          10           0
RAIN SHWRS             SC SC                                                   
Obvis                  PF PF PF                                                
MIX HGT                <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  4  5  5 <1            
T WIND DIR              S  S SW  W  W  W SW SW NW NW  W  N  N  N  N            
T WIND SPD              5  4 11  6  6  5  2  3  4  4  4 16 11 12  9            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     3  2  9 24 41 35  1  2  2  2  5 80 64 67  4            
MAX LVORI               9  9  8  3  1  1  3  7  6  6  6  1  1  1  3            
STABILITY               F  F  C  B  B  B  G  G  G  G  B  B  B  B  F            
CEILING                    2100  None  None  None  None  None  None  None      
STA PRES                  29.33 29.34 29.27 29.32 29.35 29.40 29.42            


Date           09/15Wed 09/16/26Thu 09/17/26Fri 09/18/26Sat 09/19/26
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       84      57      86      58      89      62      92      64      87
TEMP          81 75 61 58 84 76 63 60 87 79 66 64 90 81 69 65 85 79
DEWPT         55 58 58 58 61 61 60 60 62 62 61 61 65 65 65 65 66 65
RH            41 55 90100 46 60 90100 43 56 84 90 44 58 87100 53 62
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW FW CL FW CL CL CL FW CL FW FW SC SC SC SC
POP 12HR            0       0       0       0       5       5      20      20      20
RAIN SHWRS                                           IS IS       IS

$$


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