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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Fri Sep 11 2026

NCZ001-112000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
331 AM EDT Fri Sep 11 2026

Date             Fri 09/11/26            Sat 09/12/26            Sun 09/13/26
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                 75          63          69          61          73
TEMP          62 64 69 74 73 68 66 64 64 63 65 66 67 64 64 64 63 62 65 69 72 66
DEWPT         60 60 61 61 61 61 62 62 62 63 65 65 66 64 64 63 63 62 65 65 65 63
MAX/MIN RH                   63          98          93         100          79
RH            93 87 76 64 66 78 87 93 93100100 97 97100100 97100100100 87 79 90
WIND DIR       W  W  W  W  W  S SE SE  S SW  S  S  S SW  W  W NW  W NW NW NW NW
WIND SPD       3  3  5  4  3  1  2  3  2  3  4  5  3  2  4  5  9 10  6  5  4  4
CLOUDS        SC B1 SC SC B1 SC B1 B2 B2 B2 B2 OV B2 B2 B2 B2 B1 B1 B1 B1 B1 SC
CLOUDS(%)     42 57 41 50 57 46 66 72 71 80 79 92 82 85 80 70 62 52 52 53 53 28
VSBY           8  7 10 10 10 10 10  8  6  3  9  3  3  6  6 10 10  7  7  6  6 10
POP 12HR                     20          10          90          40          30
RAIN SHWRS             IS IS                IS  O NM SC SC       SC SC SC SC   
TSTMS                  IS IS                IS SC SC IS                SC IS   
MIX HGT       <1 <1  3  5  3 <1 <1 <1 <1 <1  2  2  2 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR    NW NW  W SW  N NE  E  E SE  S  S  S  S  S  S SW  W  W NW NW NW NW
T WIND SPD     3  3  8  5  4  2  4  5  5  8  8 10 11  8  4  5  5  5 11 11  8  4
DISPERSION    VP             VP VP VP VP             VP VP PR PR             VP
ADI            2  3 31 34 16  1  2  3  3  6 17 20 23  4  3  4  5  6 23 26 18  2
MAX LVORI      7  6  3  1  3  5  6  6  8  8  5  5  5  9  9  9  9  8  5  4  3  6
STABILITY      F  C  B  B  C  F  F  F  F  C  D  D  C  F  E  E  D  D  D  D  D  F
CEILING              None  None  1000   500  4400   500   500   500  None  None
STA PRES            26.76 26.72 26.74 26.75 26.78 26.75 26.76 26.76 26.79 26.77


Date          Mon 09/14/26Tue 09/15/26Wed 09/16/26Thu 09/17/26
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      74      60      72      59      75      60      75
TEMP          63 61 72 67 63 60 69 65 61 60 72 67 63 61 72 67
DEWPT         62 60 62 61 60 58 62 61 59 58 62 61 59 59 62 61
RH            97 97 71 81 90 93 78 87 93 93 71 81 87 93 71 81
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW FW SC SC SC SC SC FW SC SC FW SC B1
POP 12HR            0       5       5      20       0      20       5      30
RAIN SHWRS                         IS          IS       IS SC
TSTMS                              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