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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EDT Fri Sep 19 2025

NCZ001-192000-
RAWS 310141
36.40N  81.29W Elev. 3009 ft
131 PM EDT Fri Sep 19 2025

Date             Fri 09/19/25            Sat 09/20/25            Sun 09/21/25
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                 78          56          75          54          71
TEMP                   78 77 69 64 61 59 59 68 73 74 66 60 58 56 55 66 71 69 62
DEWPT                  56 58 57 56 54 52 52 58 57 56 56 58 58 56 55 60 59 59 58
MAX/MIN RH                   46          84          53         100          66
RH                     47 52 66 75 78 78 78 70 57 53 70 93100100100 81 66 70 87
WIND DIR                S  S  S  N  N  N  N SE SE SE  E  E  E  E  E SE SE SE SE
WIND SPD                4  4  1  1  1  1  1  3  5  5  2  2  2  2  2  4  5  5  2
CLOUDS                 SC SC SC SC SC SC SC FW SC SC SC SC SC B1 B1 B1 SC SC FW
CLOUDS(%)              32 29 26 30 35 43 28 21 35 46 50 41 49 51 65 59 35 27 20
VSBY                    9  9  9  9  9  9  9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          10          20          10
RAIN SHWRS                                           IS                        
MIX HGT                 6  5 <1 <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR              S  S SW NW NW NW  N  E SE  E SE  E  E  E  E  E SE SE SE
T WIND SPD              3  4  2  2  2  2  2  2  6  6  8  9  8 11  9  8  8  8  1
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    24 27  1  1  1  1  2  9 38 38  4  4  4  5  7 16 33 27  1
MAX LVORI               2  2  3  5  5  7  6  3  1  1  3  6  9  9  8  4  3  3  6
STABILITY               B  B  G  G  G  G  A  B  B  B  F  F  F  F  C  D  B  B  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  27.27 27.31 27.32 27.37 27.35 27.37 27.37 27.40 27.33


Date          Mon 09/22/25Tue 09/23/25Wed 09/24/25Thu 09/25/25
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       54      74      55      77      57      76      58      69
TEMP          56 55 74 64 58 57 76 67 60 58 74 66 61 58 68 63
DEWPT         56 55 60 60 58 57 60 60 58 58 62 61 61 58 64 61
RH           100100 62 87100100 58 78 93100 66 84100100 87 93
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 SC SC SC SC B1 SC B1 B1 B1 B1 B2 B2 B2
POP 12HR            0      20      10      30      20      40      30      50
RAIN SHWRS             IS          SC    IS IS SC SC SC SC SC
TSTMS                  IS          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