EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Fri Aug 7 2026

VAZ024-072000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 AM EDT Fri Aug 7 2026

Date             Fri 08/07/26            Sat 08/08/26            Sun 08/09/26
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                 91          68          92          69          93
TEMP                85 90 89 81 75 72 70 71 86 91 89 81 75 71 69 71 84 90 92 85
DEWPT               72 71 72 73 72 71 69 70 72 71 72 72 71 70 69 70 72 70 69 71
MAX/MIN RH                   52          98          52          99          48
RH                  65 54 57 77 90 97 97 97 63 52 57 74 87 97100 97 67 52 47 63
WIND DIR             W SW SW SW  W  W  W  W  W SW SW SW SW  W  W  W  W  W  W  W
WIND SPD             2  4  4  2  1  1  1  1  2  4  4  2  1  1  1  1  2  3  3  1
CLOUDS              SC B1 B1 SC SC FW FW FW SC B1 B1 SC SC SC SC SC FW SC SC SC
CLOUDS(%)           30 68 53 45 43 17 12 22 26 56 69 45 46 33 34 34 21 35 39 34
VSBY                10  7  7  7 10  1  1  1 10  7  6 10 10 10 10 10 10  7  7 10
POP 12HR                     30          20          50           5          20
RAIN SHWRS             SC SC IS                SC SC                   IS IS   
TSTMS                  SC SC IS                SC SC                   IS IS   
Obvis                              PF PF PF                                    
MIX HGT              3  5  2 <1 <1 <1 <1 <1  3  6  2 <1 <1 <1 <1 <1  3  6  6 <1
T WIND DIR           W  W  W NW NW  W NW NW  W  W SW SW SW  W  W  W  W  W  W SW
T WIND SPD           5  8  6  2  2  1  2  1 12 12 13  5  6  4  3  2  6  6  6  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 21 32 20  1  1  1  1  1 48 56 34  3  3  2  2  2 26 50 47  4
MAX LVORI            3  1  2  4  7  9  8  8  1  1  1  3  6  8 10  8  3  1  1  3
STABILITY            A  C  A  F  F  G  G  A  A  C  C  F  F  G  G  A  A  A  A  G
CEILING              None  None  None  None  None  4900  None  None  None  None
STA PRES            28.69 28.64 28.63 28.62 28.63 28.58 28.58 28.58 28.60 28.55


Date          Mon 08/10/26Tue 08/11/26Wed 08/12/26Thu 08/13/26
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       69      94      70      95      70      92      69      91
TEMP          71 71 93 87 73 72 93 86 73 72 90 82 72 71 89 82
DEWPT         69 68 68 70 69 69 70 70 70 70 71 71 70 69 71 70
RH            93 90 44 57 87 90 47 59 90 93 54 69 93 93 56 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW SC SC SC FW SC SC SC SC B1 SC B1 SC B1
POP 12HR            5       5       5      10      20      30      20      30
RAIN SHWRS                            IS       SC IS       SC
TSTMS                                 IS       SC 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