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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Sep 12 2026

NCZ005-122000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
801 AM EDT Sat Sep 12 2026

Date             Sat 09/12/26            Sun 09/13/26            Mon 09/14/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 84          70          89          66          88
TEMP                77 83 81 75 72 71 71 72 80 87 88 80 75 70 68 68 83 87 85 77
DEWPT               72 72 72 72 71 71 71 71 71 70 69 70 69 69 68 67 69 67 67 66
MAX/MIN RH                   69          99          54         100          51
RH                  85 70 74 90 97100100 97 74 57 54 72 82 97100 97 63 52 55 69
WIND DIR             E  S  S SW  S SW SW SW  W  W  W  W NW  W NW NW  N  N  N NE
WIND SPD             2  3  4  2  2  3  3  4  4  4  4  3  3  2  2  3  6  6  6  5
CLOUDS              B2 B1 B2 B2 B2 B1 B1 SC CL SC SC SC FW FW FW FW FW SC SC SC
CLOUDS(%)           72 67 85 74 82 61 57 42  5 31 33 42 19 18 16  8 18 34 32 28
VSBY                 7  7  4  4  6  7 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     90          50           5           0           5
RAIN SHWRS          IS IS SC SC SC IS                                          
TSTMS               IS IS SC SC IS                                             
MIX HGT              2  3  3 <1 <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  4  6  5 <1
T WIND DIR          SE SE  S  S  S SW SW SW  W  W  W NW NW NW  W  W  N  N  N  N
T WIND SPD           6  9 11 10  5  5  8  6  4 10 10  9  9  4  3  2 12 11 11  5
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI                 18 32 27  5  3  3  4  7 16 62 63  4  4  2  2  2 58 73 62  3
MAX LVORI            4  3  3  6  8  9  9  6  3  1  1  3  5  9 10  8  1  1  1  3
STABILITY            C  C  D  F  F  F  F  B  B  B  B  F  G  G  G  B  B  B  B  F
CEILING               400  2300  1900  None  None  None  None  None  None  None
STA PRES            29.27 29.23 29.24 29.23 29.24 29.18 29.24 29.26 29.32 29.33


Date          Tue 09/15/26Wed 09/16/26Thu 09/17/26Fri 09/18/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       61      83      58      87      60      90      64      90
TEMP          66 62 80 75 62 60 84 77 64 62 88 80 67 66 88 80
DEWPT         60 57 60 60 58 59 63 62 59 60 63 63 62 62 64 64
RH            81 84 51 60 87 96 49 60 84 93 43 56 84 87 45 58
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW FW FW CL FW FW FW CL SC SC FW FW SC
POP 12HR            0       0       0       0       0       5      10      20
RAIN SHWRS                                                 IS
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