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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Sep 13 2025

NCZ001-132000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
801 AM EDT Sat Sep 13 2025

Date             Sat 09/13/25            Sun 09/14/25            Mon 09/15/25
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                 69          51          70          54          69
TEMP                62 67 68 62 58 55 54 54 63 67 65 60 58 57 55 55 62 65 64 59
DEWPT               48 49 50 51 51 50 49 50 52 50 52 53 53 52 51 51 53 54 55 53
MAX/MIN RH                   53          88          55          87          67
RH                  60 52 52 67 77 83 83 86 67 54 63 78 83 83 86 86 72 68 73 80
WIND DIR            NE NE NE  S  S  W NW NW  N NE NE NE NE  E NE NE  E SE  E  E
WIND SPD             3  5  4  2  3  3  4  5  4  5  4  2  3  3  4  5  5  8  6  5
CLOUDS              CL FW SC FW FW FW FW FW SC B1 B1 SC SC FW SC SC SC B1 B1 SC
CLOUDS(%)            4 14 30 23 18 18 23 22 35 61 59 43 26 25 38 46 41 65 57 49
VSBY                10 10 10 10 10 10  6  7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           5           0          10
MIX HGT              3  6  5 <1 <1 <1 <1 <1  4  5  2 <1 <1 <1 <1 <1  3  5  4 <1
T WIND DIR           E NE  E  S SW  W NW NW  N NE  N  W  N  N  N  N  E  E  E SE
T WIND SPD           1  6  3  2  1  2  3  3  8  3  2  2  3  2  1  1  8  3  2  3
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI                  4 44 19  1  1  1  2  4 35 10  5  1  2  1  1  1 31 11  7  2
MAX LVORI            3  1  2  3  4  5  5  6  3  2  3  4  5  5  6  6  3  3  3  5
STABILITY            B  B  B  G  G  G  F  B  B  D  D  F  G  G  F  B  B  D  D  E
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            26.84 26.79 26.78 26.76 26.77 26.75 26.80 26.84 26.89 26.87


Date          Tue 09/16/25Wed 09/17/25Thu 09/18/25Fri 09/19/25
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      66      54      67      54      71      56      71
TEMP          57 55 62 57 55 54 63 58 55 54 67 60 58 57 67 59
DEWPT         52 52 54 54 52 52 56 55 54 53 56 56 54 53 56 56
RH            83 90 75 90 90 93 78 90 96 96 68 87 86 86 68 90
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC FW SC SC SC
POP 12HR           20      30      20      30       5      10       0      20
RAIN SHWRS       IS IS SC IS IS IS SC                      IS
TSTMS                              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