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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EDT Tue Sep 16 2025

NCZ001-162000-
RAWS 310141
36.40N  81.29W Elev. 3009 ft
1101 AM EDT Tue Sep 16 2025

Date             Tue 09/16/25            Wed 09/17/25            Thu 09/18/25
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                 73          53          71          52          75
TEMP                   72 66 62 57 55 53 53 64 70 70 64 59 57 53 54 68 73 72 65
DEWPT                  53 52 51 53 53 52 52 55 56 57 57 56 55 53 53 58 57 58 57
MAX/MIN RH                   51          96          60         100          56
RH                     51 61 67 86 93 96 96 73 61 63 78 90 93100 96 70 57 61 75
WIND DIR                N  N  N  N NW NW NW  N  N  N  E SW  W  W NW NW  W  W  W
WIND SPD                5  5  3  2  2  2  2  3  4  3  2  1  1  1  2  2  3  2  2
CLOUDS                 B2 B2 B2 B2 B1 B2 B2 B1 B1 B1 B1 SC SC SC SC FW SC SC FW
CLOUDS(%)              71 70 75 70 65 78 70 64 65 60 61 46 33 31 37 25 39 29 23
VSBY                   10 10 10 10  8 10 10 10 10  7 10 10 10 10 10            
POP 12HR                     20          20          20           0          10
RAIN SHWRS                IS IS                IS IS                           
MIX HGT                 5  3 <1 <1 <1 <1 <1  2  4  4 <1 <1 <1 <1 <1  3  5  3 <1
T WIND DIR              N  N  N  N  N  N NW  N  N  N  W  W  W  W NW  W SW SW SW
T WIND SPD             13 16 11  5  9 10  8 12  9  6  1  1  1  1  2  3  4  5  2
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    41 52  5  3  4  5  6 34 25 24  1  1  1  1  2 14 28 18  1
MAX LVORI               1  1  3  6  6  7  6  3  2  3  4  7  8 10  8  3  2  2  4
STABILITY               D  C  F  F  F  F  C  C  D  C  F  F  G  G  B  B  B  B  G
CEILING                    8300  4700  4200  3500  3100  None  None  None  None
STA PRES                  27.33 27.32 27.29 27.30 27.27 27.30 27.30 27.33 27.29


Date          Fri 09/19/25Sat 09/20/25Sun 09/21/25Mon 09/22/25
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       53      78      55      75      55      70      54      71
TEMP          56 55 77 67 59 56 73 66 58 57 68 62 57 57 69 63
DEWPT         54 52 54 57 54 53 58 57 57 57 59 58 57 56 60 59
RH            93 90 45 70 83 90 59 73 96100 73 87100 96 73 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW FW SC SC SC B1 B1 SC SC B1 B1 B1
POP 12HR            0       5       0      10      10      20      20      30
RAIN SHWRS                                     IS    IS IS SC

$$


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