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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 PM EDT Wed Jul 23 2025

WVZ043-240800-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
802 PM EDT Wed Jul 23 2025

Date           07/23/25      Thu 07/24/25            Fri 07/25/25            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                 63          86          66          87          68
TEMP                70 67 64 66 76 83 85 79 72 69 67 70 79 83 84 80 74 71 70 71
DEWPT               61 61 61 63 66 65 66 68 67 66 65 66 70 67 69 69 68 67 67 69
MIN/MAX RH                   92          51          93          55         100
RH                  73 81 90 90 71 55 53 69 84 90 93 87 74 59 61 69 82 87 90 93
WIND DIR             S SE SE SE SE  S  S SE  S SW SW SW  W  W  W  W  W  W  W  W
WIND SPD             4  2  3  3  3  3  3  2  2  2  2  2  4  5  5  2  2  2  2  2
CLOUDS              CL CL FW FW FW FW FW FW CL FW FW FW FW SC FW FW FW FW FW SC
CLOUDS(%)            1  2 12 16 14 13  7 22  5  6 16 18 13 26 19 13 14 19 18 48
VSBY                10 10  8 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           5           0          10          10
MIX HGT             <1 <1 <1 <1  2  6  6 <1 <1 <1 <1 <1  5  5  6 <1            
T WIND DIR          SE  S SE SE SW  W SW  S  S  S SW  W NW  W NW NW            
T WIND SPD           5  4  3  4  8  2  2  5  2  2  3  3 11  9  9  8            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  3  2  2  4 26 16 16  3  1  1  2  3 66 60 63  4            
MAX LVORI            3  5  7  6  3  2  2  3  5  7  7  6  3  1  1  3            
STABILITY            F  G  G  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.84 27.85 27.87 27.80 27.79 27.79 27.80 27.75            


Date           07/26Sun 07/27/25Mon 07/28/25Tue 07/29/25Wed 07/30/25
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      70      86      70      88      68      89      68      88
TEMP          83 80 73 73 84 80 73 73 85 80 72 72 86 81 72 72 85 80
DEWPT         72 70 70 70 72 71 71 71 69 68 68 68 69 69 69 69 69 69
RH            70 72 90 90 67 74 93 93 59 67 87 87 57 67 90 90 59 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 SC B1 B1 SC SC SC SC SC FW FW SC SC FW SC B1
POP 12HR           40      30      50      20      30      20      20      20      30
RAIN SHWRS       SC SC    IS SC IS       SC IS       IS IS       SC
TSTMS            SC SC    IS SC IS       SC IS       IS IS       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