EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Tue Jul 28 2026

VAZ024-290800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 AM EDT Tue Jul 28 2026

Date           07/27/26      Tue 07/28/26            Wed 07/29/26            Thu
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                 68          91          65          87          61
TEMP                      69 71 82 88 89 81 73 69 66 68 79 85 86 77 69 65 62 65
DEWPT                     68 68 72 72 72 69 68 66 64 64 63 62 61 60 61 60 59 60
MIN/MAX RH                   97          55          92          43          91
RH                        97 90 72 59 57 67 84 90 93 87 58 46 43 56 76 84 90 84
WIND DIR                   N SW SW  W  W NW NW  W  W NW NW NW NW NW NW NW NW NW
WIND SPD                   0  2  5  8  8  6  3  2  3  5  8  8  9  6  3  3  3  4
WIND GUST                       17 21 23 23 14 12 13 18 20 19 21 23 17 13 13 14
CLOUDS                    SC B2 B1 B1 SC FW FW CL CL CL CL FW FW FW FW CL CL CL
CLOUDS(%)                 31 87 59 57 43 13 12  5  5  4  3  7  8 14  6  2  3  4
VSBY                       1  7  6  6  7 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     10          40          10           0           0
RAIN SHWRS                      SC IS IS                                       
TSTMS                           IS IS IS                                       
MIX HGT                   <1 <1  2  4  3 <1 <1 <1 <1  2  4  6  7  2            
T WIND DIR                 W  S SW  W  W NW  N NW NW NW NW NW NW NW            
T WIND SPD                28  8 13 18 21  3 10  5  5  9 19 18 18 13            
DISPERSION                VP             PR VP VP VP             PR VP VP VP   
ADI                       13  8 38 66 82  2  5  3  3 19102126133  9            
MAX LVORI                  5  6  3  1  1  3  5  6  6  4  1  1  1  2            
STABILITY                  F  B  C  C  B  F  G  G  G  A  B  B  B  E            
CEILING                    None  4200  None  None  None  None  None  None      
STA PRES                  28.29 28.18 28.10 28.16 28.20 28.25 28.27            


Date           07/30Fri 07/31/26Sat 08/01/26Sun 08/02/26Mon 08/03/26
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       88      61      90      64      89      65      86      66      87
TEMP          86 80 64 65 88 82 68 67 86 80 69 68 84 78 70 68 85 79
DEWPT         61 59 60 61 61 62 62 63 64 65 66 67 69 69 69 68 70 70
RH            43 49 87 87 40 51 81 87 48 60 90 97 61 74 97100 61 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW SC SC SC B1 B2 B1 B2 B2 B2 B1 B1 B1 B1
POP 12HR            5       0       0       5      20      40      60      50      40
RAIN SHWRS                               IS SC SC SC NM SC IS 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