EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 AM EDT Sun Aug 9 2026

WVZ043-092000-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
531 AM EDT Sun Aug 9 2026

Date             Sun 08/09/26            Mon 08/10/26            Tue 08/11/26
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                 85          67          85          67          83
TEMP             68 77 83 84 77 71 69 67 69 78 83 85 79 72 70 68 69 76 81 83 76
DEWPT            68 71 69 68 69 68 68 67 68 70 69 69 69 69 69 68 69 71 70 70 69
MAX/MIN RH                   59          98          59         100          65
RH              100 82 63 59 76 90 97100 97 76 63 59 72 90 97100100 85 69 65 79
WIND DIR          W  W  W  W SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD          2  2  3  3  2  2  2  3  3  5  6  6  4  4  4  5  5  8  9  9  6
WIND GUST                                                  14 16 18 18 19 19 17
CLOUDS           B1 B1 SC FW SC SC FW FW FW SC SC FW SC SC SC SC SC B1 B2 B2 B2
CLOUDS(%)        66 61 44 25 30 30 15 23 22 35 44 14 45 45 33 42 50 53 73 73 77
VSBY              6 10 10 10 10 10  8  7  7 10 10 10 10 10 10 10 10 10  6  6  6
POP 12HR                     10           5          10          20          60
RAIN SHWRS                                           IS IS IS IS       NM NM NM
TSTMS                                                IS IS IS          SC SC SC
Obvis            PF                                                            
MIX HGT          <1  3  5  5 <1 <1 <1 <1 <1  4  5  5  1 <1 <1 <1  1  3  5  3  1
T WIND DIR        W  W  W  W SW SW SW  W SW  W  W  W  W  W  W  W  W  W  N SW SW
T WIND SPD        6  9  6  5  5  4  3  3  2 14 16 14 16  4  5  9 13 11 17  6  3
DISPERSION                   VP VP VP VP             VP VP VP PR             PR
ADI               7 35 41 35  3  2  2  2  2 68 94 82 11  3  3  6 21 43 70 23  2
MAX LVORI         8  3  1  1  4  6  8 10  9  3  1  1  3  6  8  8  5  4  1  3  4
STABILITY         B  B  A  A  G  G  G  G  A  A  B  B  E  E  F  E  A  B  C  C  E
CEILING              None  None  None  None  None  None  None  None  None   200
STA PRES            27.80 27.75 27.75 27.77 27.76 27.71 27.74 27.74 27.79 27.74


Date          Wed 08/12/26Thu 08/13/26Fri 08/14/26Sat 08/15/26
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      81      66      80      65      76      63      79
TEMP          68 68 79 75 69 68 77 74 68 66 74 71 65 65 76 72
DEWPT         68 68 71 69 69 68 71 69 68 66 69 67 65 65 67 67
RH           100100 77 82100100 82 84100100 84 87100100 74 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1
POP 12HR           70      60      60      70      50      60      40      40
RAIN SHWRS    NM SC SC NM NM NM SC NM SC IS SC NM SC IS SC SC
TSTMS         SC    SC SC IS       SC          SC          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