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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Wed Sep 9 2026

VAZ046-092000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
401 AM EDT Wed Sep 9 2026

Date             Wed 09/09/26            Thu 09/10/26            Fri 09/11/26
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                 89          68          94          69          86
TEMP          63 64 79 86 88 79 73 71 69 69 84 92 92 81 76 73 70 69 77 83 85 78
DEWPT         58 60 64 63 63 62 62 61 61 63 67 67 67 67 67 68 68 68 68 68 68 68
MAX/MIN RH                   44          79          42          98          57
RH            84 87 60 46 43 56 68 71 76 81 57 44 44 63 74 84 93 97 74 61 57 71
WIND DIR      SW SW SW SW SW  S  S SW SW SW SW  W  W  W SW  W  N NE NE NE NE  E
WIND SPD       5  5  8  9  9  6  8  9  9  8  9 10 10  6  4  3  3  4  6  5  5  4
WIND GUST                       19 20                                          
CLOUDS        FW FW FW SC SC FW FW FW CL FW FW SC SC B1 B1 B1 SC B1 SC B1 B1 B2
CLOUDS(%)     15  8  7 33 28 11  9 10  5 10 18 35 33 54 54 52 50 53 50 63 62 73
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          20          30          30
RAIN SHWRS                                     IS    SC SC IS IS       SC SC NM
TSTMS                                                IS IS             IS    IS
MIX HGT       <1 <1  3  6  6 <1 <1 <1 <1 <1  3  6  7 <1 <1 <1 <1 <1  3  4  3 <1
T WIND DIR    SW SW SW SW SW  S  S SW SW SW  W  W  W  W NW  W NE NE NE NE NE NE
T WIND SPD     3  3 11  9 10  5  8  8  8 12 19 20 18 10  6  2  2 10 10 12 10  9
DISPERSION    PR             PR PR PR PR             PR VP VP VP             VP
ADI            2  4 43 42 47  3  5  5  5 13 65 95 86  7  5  1  1 11 37 33 25  6
MAX LVORI      5  6  1  1  1  3  3  3  4  4  1  1  1  3  4  5  7  6  3  1  2  3
STABILITY      F  B  B  C  C  F  E  E  E  B  C  C  C  E  E  F  F  D  B  D  D  E
CEILING              None  None  None  None  None  None  None  None  None  1100
STA PRES            29.54 29.42 29.37 29.33 29.31 29.23 29.25 29.26 29.32 29.32


Date          Sat 09/12/26Sun 09/13/26Mon 09/14/26Tue 09/15/26
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       66      83      67      86      68      90      67      90
TEMP          69 68 79 77 70 69 83 78 69 69 87 80 70 69 87 81
DEWPT         68 68 73 72 70 69 73 72 69 69 70 69 68 68 70 69
RH            97100 82 85100100 72 82100100 57 69 93 97 57 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 B2 B1 SC SC SC SC SC FW SC SC SC
POP 12HR           60      70      40      20      10       5       5      10
RAIN SHWRS    NM SC SC NM SC       IS                        
TSTMS         IS    IS 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