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

VAZ046-112000-
RAWS 441101
37.39N  78.80W Elev. 804 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                 86          68          84          67          88
TEMP          71 72 79 85 81 73 70 69 68 69 75 81 82 75 71 70 69 69 79 86 87 79
DEWPT         68 69 70 71 71 71 70 69 68 68 73 74 74 72 71 70 69 69 74 73 72 72
MAX/MIN RH                   63         100          73         100          60
RH            90 90 74 63 72 93100100100 97 94 79 77 90100100100100 85 65 61 79
WIND DIR       N  N NE NE NE NE NE NE NE NE  E  S SE SE SE SW SW  W  W NW NW  N
WIND SPD       0  0  4  4  5  4  3  2  2  3  3  3  4  2  1  2  3  3  4  3  3  1
CLOUDS        SC SC SC B1 B2 B2 B2 B2 OV B2 B2 B2 B2 OV OV B2 B1 B1 SC SC SC FW
CLOUDS(%)     48 46 50 68 73 78 81 87 88 81 87 71 76 89 89 77 64 54 35 33 33 21
VSBY           8  9 10 10 10  8  6  7  6  4  9  6  6  3  3 10 10 10 10  7  7 10
POP 12HR                     50          40          70          80          20
RAIN SHWRS             IS SC SC SC IS             SC  O  O             IS IS   
TSTMS                  IS SC SC IS                SC SC IS             IS IS   
MIX HGT       <1 <1  3  4  2  1 <1 <1 <1 <1  1  3  2 <1 <1 <1 <1 <1  2  4  3 <1
T WIND DIR    NW NE  E NE NE NE  E  N  N NE  E SE  S NE NE  E  W  W  W  W  W NE
T WIND SPD     2  2  4  4 12 11  8  3  3  8  6  4  4  1  2  2  2  9 10  6 12  4
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            1  2 17 13 22  8  4  2  2  6 11 14 14  1  1  1  1  7 27 36 53  2
MAX LVORI      7  6  3  2  3  6  9 10 10  8  5  4  4  8 10 10 10  8  4  3  1  4
STABILITY      F  A  B  D  D  E  F  F  F  C  C  C  B  F  F  F  F  C  B  B  B  G
CEILING              None  1000   400   400   400  9800  1600   300  None  None
STA PRES            29.30 29.31 29.34 29.35 29.38 29.33 29.31 29.28 29.30 29.25


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       67      86      62      84      63      88      64      89
TEMP          70 69 84 77 65 63 81 75 65 64 86 78 68 66 87 79
DEWPT         69 68 68 66 62 61 65 65 63 64 68 67 65 65 69 68
RH            97 97 59 69 90 93 58 71 93100 55 69 90 97 55 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC SC SC SC SC FW FW FW FW FW FW FW SC
POP 12HR            0       5       0       0       0       5       5      20
RAIN SHWRS                                                 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