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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Thu Sep 10 2026

VAZ024-102000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
301 AM EDT Thu Sep 10 2026

Date             Thu 09/10/26            Fri 09/11/26            Sat 09/12/26
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                 93          67          86          66          83
TEMP          67 68 83 91 89 77 72 70 68 68 78 83 83 74 69 68 66 67 74 80 82 75
DEWPT         64 64 68 70 70 70 69 68 67 68 71 71 71 70 69 68 66 67 72 73 73 72
MAX/MIN RH                   50          99          64         100          74
RH            90 87 61 50 54 79 90 93 97100 79 67 67 87100100100100 93 79 74 90
WIND DIR      SW  W  W  W  W  W SW  N  N NW  N NE  E  E  N  N  N  N SE  S  S SE
WIND SPD       2  2  5  6  5  2  1  0  0  1  2  3  3  1  0  0  0  0  1  3  2  1
WIND GUST           16 17 16                                                   
CLOUDS        FW CL FW SC SC B2 B1 SC B1 B1 OV B2 B1 B2 B2 B2 B2 B2 OV B2 B2 B2
CLOUDS(%)      8  4 24 28 40 71 57 48 60 69 88 76 69 70 73 72 73 76 89 81 76 80
VSBY          10 10  9 10 10  9  8  6  4  3  6  3  3  6  6  7  7 10 10 10 10 10
POP 12HR                     30          30          70          50          60
RAIN SHWRS                IS IS    IS IS IS SC SC SC SC SC       IS IS NM NM SC
TSTMS                     IS IS    IS          SC SC IS                IS SC SC
MIX HGT       <1 <1  3  5  3 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  1  2  2 <1
T WIND DIR    SW  W  W  W  W NW  N  N  N  E  E  E  E  N  E  E  E  E  E  S  S  S
T WIND SPD     5  2 10 14 12  6  2  1  3  6  5  6  5  3  2  2  2  4  2  4  5  5
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            3  2 42 87 43  3  1  1  2  5 14 21 14  2  1  1  1  4  4 13 15  3
MAX LVORI      6  6  1  1  1  4  7  9  8  9  4  3  3  7 10 10 10  9  6  4  4  6
STABILITY      G  B  B  B  B  F  F  F  F  C  C  C  C  F  F  F  F  C  C  C  C  F
CEILING              None  None  None  3300   700  2600  5700  1700   300   800
STA PRES            28.52 28.47 28.48 28.51 28.57 28.54 28.58 28.57 28.60 28.56


Date          Sun 09/13/26Mon 09/14/26Tue 09/15/26Wed 09/16/26
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      88      63      89      62      89      64      92
TEMP          69 68 87 78 68 65 86 77 67 64 86 78 69 66 89 79
DEWPT         69 68 72 70 67 65 68 67 64 64 68 68 66 65 70 70
RH           100100 61 76 97100 55 71 90100 55 71 90 97 54 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 SC SC SC SC FW SC FW SC FW SC FW FW FW B1
POP 12HR           50      20       5      10       5      10       5      30
RAIN SHWRS    SC       IS                                  SC
TSTMS         SC       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