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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Thu Sep 11 2025

VAZ024-120800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
131 AM EDT Thu Sep 11 2025

Date           09/10/25      Thu 09/11/25            Fri 09/12/25            Sat
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 55          82          54          82          53
TEMP                   58 56 56 72 79 80 71 65 61 58 55 74 81 80 69 61 57 54 55
DEWPT                  58 56 56 60 55 55 58 58 56 54 53 58 55 56 57 55 54 53 54
MIN/MAX RH                  100          42          95          40         100
RH                    100100100 66 44 42 63 78 84 86 93 57 41 44 66 81 90 96 96
WIND DIR                N  N NW  N  N NE  E  N  N  N  N NE NE  E  E  N  N NW NW
WIND SPD                0  0  1  1  2  2  1  1  1  1  2  2  2  2  1  0  0  1  1
CLOUDS                 SC SC SC FW SC FW SC SC FW FW FW FW SC FW FW FW FW CL CL
CLOUDS(%)              30 39 32 17 37 22 29 37 19 20  7  7 27 21 16 13  7  3  1
VSBY                   10  8  9 10 10 10 10 10 10  7 10 10 10 10 10 10 10 10 10
POP 12HR                     10           0           0           0           0
MIX HGT                <1 <1 <1  3  6  5 <1 <1 <1 <1 <1  5  6  6 <1            
T WIND DIR             NW  N NW  N  N  N  N  N  N  N NW NE NE NE  E            
T WIND SPD              2  2  2  4  3  5  6  2  3  3  2  8  9  9  2            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     1  1  2 20 23 33  3  1  2  2  2 44 65 63  1            
MAX LVORI              10 10  9  2  2  1  3  7  7  7  6  1  1  1  3            
STABILITY               G  F  A  A  B  B  F  F  G  G  B  B  B  B  G            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  28.63 28.66 28.62 28.65 28.66 28.69 28.65            


Date           09/13Sun 09/14/25Mon 09/15/25Tue 09/16/25Wed 09/17/25
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       84      55      88      59      86      56      83      55      84
TEMP          81 70 59 56 85 74 63 61 83 72 61 58 79 70 60 57 80 70
DEWPT         57 58 56 55 58 60 58 57 59 59 56 56 59 60 57 56 59 60
RH            44 66 90 96 40 62 84 87 44 64 84 93 50 71 90 96 49 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC FW FW SC FW FW FW FW SC FW FW SC FW FW FW FW
POP 12HR            0       0       0       0       0       0       5       5       5

$$


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