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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
931 AM EDT Sat Sep 20 2025

NCZ005-202000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
931 AM EDT Sat Sep 20 2025

Date             Sat 09/20/25            Sun 09/21/25            Mon 09/22/25
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                 86          60          81          59          83
TEMP                77 83 82 74 67 63 62 62 72 79 80 73 65 62 60 61 73 80 82 74
DEWPT               64 62 60 61 63 63 62 62 64 62 61 62 63 62 60 61 63 63 63 64
MAX/MIN RH                   46         100          51         100          52
RH                  64 49 47 64 87100100100 76 56 52 68 93100100100 71 56 53 71
WIND DIR            NE  E  E  E  E NE NE NE NE NE  E  E  E  E NE NE  S  S  S  S
WIND SPD             6  6  6  4  3  2  4  4  5  5  5  3  2  2  2  2  2  3  3  2
CLOUDS              CL FW B1 B1 SC SC B1 B1 SC FW FW SC SC SC SC B1 SC B1 SC SC
CLOUDS(%)            3 19 56 57 35 50 55 66 43 23 25 33 34 40 48 58 45 56 46 38
VSBY                10 10 10 10 10 10  8  4 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0          10           0           0           5
MIX HGT              2  6  6 <1 <1 <1 <1 <1  2  4  4 <1 <1 <1 <1 <1  2  5  5 <1
T WIND DIR           E  E  E NE NE NE NE  E  E NE  E  E  E SE  S  S SW SW SW  S
T WIND SPD           9  8  9  5 13  8  8  9  8  5  5  2  2  4  3  2 10  8  6  4
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 24 56 59  3  6  4  5 10 22 28 29  1  1  2  2  2 32 45 40  2
MAX LVORI            2  1  1  3  4  9  9  7  3  2  2  3  7  9 10 10  3  1  1  3
STABILITY            B  B  B  F  G  F  E  D  B  B  B  G  G  G  F  C  B  B  B  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.35 29.41 29.43 29.47 29.40 29.38 29.38 29.38 29.31


Date          Tue 09/23/25Wed 09/24/25Thu 09/25/25Fri 09/26/25
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       61      87      64      85      65      78      63      74
TEMP          65 63 86 75 67 65 84 74 67 66 78 70 66 65 73 67
DEWPT         62 62 63 64 65 64 65 67 67 66 68 68 66 65 67 66
RH            90 97 46 69 93 97 53 79100100 71 93100100 81 97
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR            5      10      10      20      30      40      50      50
RAIN SHWRS                         IS IS SC SC 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