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

NCZ003-140800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
258 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                 68          88          67          87          62
TEMP                      69 69 78 85 87 80 72 69 67 68 79 84 86 77 70 67 64 63
DEWPT                     69 69 71 69 69 69 67 66 65 65 68 67 66 65 63 61 57 55
MIN/MAX RH                  100          55          92          52          83
RH                       100100 79 59 55 69 84 90 93 90 69 57 51 67 78 81 78 75
WIND DIR                   W  W NW NW NW NW NW NW NW  N  N  N  N  N NE  E NE NE
WIND SPD                   3  3  4  4  3  4  4  4  4  4  5  5  4  4  6  8  8  5
CLOUDS                    B1 B1 FW FW FW FW FW FW FW FW SC FW SC FW SC SC B1 B1
CLOUDS(%)                 67 52 24 19 23 20  6 13 18  7 26 23 29 24 38 46 55 52
VSBY                       4  4 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     60           5           0           5           0
RAIN SHWRS                                                                     
TSTMS                                                                          
MIX HGT                   <1 <1  3  5  5 <1 <1 <1 <1 <1  4  6  7 <1 <1 <1 <1 <1
T WIND DIR                 W NW NW NW  W  W NW NW NW NW  N  N  N  N  N  E NE NE
T WIND SPD                 2  2  4  9  8  2  9  3  3  3 14 13 11  6  5  9 11 13
DISPERSION                VP             VP VP VP VP             VP PR PR PR   
ADI                        1  2 16 53 50  1  4  2  2  4 66 88 82  3  3  8 10 15
MAX LVORI                 10 10  4  1  1  3  5  7  7  6  1  1  1  3  5  4  4  4
STABILITY                  F  C  B  B  B  F  F  F  F  B  B  B  B  F  F  D  D  D
CEILING                     400  None  None  None  None  None  None  None  None
STA PRES                  28.90 28.94 28.88 28.94 28.95 29.01 29.02 29.10 29.17


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       82      59      85      62      87      64      89      65      86
TEMP          78 73 62 61 83 76 65 63 85 77 67 65 86 78 68 66 83 76
DEWPT         59 62 58 57 64 64 60 59 62 62 59 59 65 66 64 63 66 67
RH            52 68 87 87 53 66 84 87 46 60 75 81 50 67 87 90 57 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW CL CL CL CL CL CL CL CL FW SC SC FW FW B1
POP 12HR            0       0       0       0       0       5      20      20      30
RAIN SHWRS                                           IS IS       SC
TSTMS                                                            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