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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1131 PM EDT Fri Aug 15 2025

WVZ043-160800-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
1131 PM EDT Fri Aug 15 2025

Date           08/15/25      Sat 08/16/25            Sun 08/17/25            Mon
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                 65          84          65          84          67
TEMP                   67 65 67 77 82 82 76 70 67 65 67 78 82 82 76 71 69 68 68
DEWPT                  64 64 66 68 66 65 66 65 65 64 65 67 66 67 68 68 68 67 67
MIN/MAX RH                   96          55          97          57          99
RH                     90 97 97 74 58 56 71 84 93 97 93 69 58 61 76 90 97 97 97
WIND DIR               NE NE  E  E  E  N  E  S  S SW SW NW NW NW NW NW NW NW NW
WIND SPD                1  1  1  2  2  3  2  1  1  1  1  2  5  5  3  2  1  1  2
CLOUDS                 FW SC SC SC SC SC SC FW FW FW FW FW SC SC SC FW SC SC SC
CLOUDS(%)              15 28 42 33 42 36 31 14 14 24 23 23 38 32 30 25 30 39 31
VSBY                    9  5  7 10 10 10 10 10  8  5  9 10 10 10 10 10  7  5   
POP 12HR                      5          10           5          10          10
Obvis                     PF PF                                                
MIX HGT                <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  4  5  5 <1            
T WIND DIR              N  N  N  E  N  N NE  E SE SE  N NW NW NW  N            
T WIND SPD              2  1  0  2  1  2  1  2  2  1  0  5  5  6  1            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     1  1  0 10  8 15  1  1  1  1  0 30 38 43  1            
MAX LVORI               6  9  9  4  3  2  4  5  7  9  8  3  1  1  4            
STABILITY               G  G  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  27.81 27.80 27.74 27.72 27.69 27.69 27.65            


Date           08/18Tue 08/19/25Wed 08/20/25Thu 08/21/25Fri 08/22/25
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       86      66      84      66      79      65      75      62      73
TEMP          82 76 69 68 82 74 68 67 77 71 66 65 72 68 64 63 72 67
DEWPT         67 68 67 67 68 69 68 67 68 68 65 65 64 63 61 62 63 62
RH            61 76 93 97 63 84100100 74 90 97100 76 84 90 97 73 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW SC SC SC B1 B2 B1 B1 B2 B2 B1 B1 B1 B2 B2
POP 12HR           20      20      30      40      60      50      40      20      30
RAIN SHWRS       IS IS       SC SC IS SC NM SC IS SC SC IS    SC SC
TSTMS            IS IS       SC SC    IS SC IS       SC          SC

$$


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