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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Aug 28 2026

VAZ024-290800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 PM EDT Fri Aug 28 2026

Date           08/28/26      Sat 08/29/26            Sun 08/30/26            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                 63          86          66          91          67
TEMP                70 66 64 65 78 83 84 76 69 67 66 67 81 88 90 81 73 70 68 69
DEWPT               66 65 63 64 67 66 66 67 67 67 66 67 70 69 68 68 68 68 67 67
MIN/MAX RH                  100          53         100          47          99
RH                  87 97 97 97 69 57 55 74 93100100100 69 54 49 65 84 93 97 93
WIND DIR             N  E  N  N  E SE SE SE  N  N  N  N SW SW  S  S SW  N  N NW
WIND SPD             1  1  1  2  3  5  4  1  0  0  0  0  1  3  3  2  1  0  0  1
CLOUDS              SC SC SC SC SC B1 SC FW SC SC FW SC SC SC FW FW FW FW CL FW
CLOUDS(%)           39 41 40 33 49 52 35 16 26 29 17 30 29 26 21 24 18 13  5  8
VSBY                10 10  3 10 10 10 10 10 10 10  6  6 10 10 10 10            
POP 12HR                     10          10           5           0           0
RAIN SHWRS                                                                     
TSTMS                                                                          
Obvis                     PF                                                   
MIX HGT             <1 <1 <1 <1  3  4  4 <1 <1 <1 <1 <1  3  5  5 <1            
T WIND DIR           N NE NE NE  E SE  S SE NE  N  N  N  W  W SW SW            
T WIND SPD           5  4  4  5  9  5  5  3  2  1  0  0  8  6  6  2            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  3  2  2  6 35 32 32  2  1  1  0  0 31 42 46  1            
MAX LVORI            6  9  9  9  3  1  1  4  7 10 10 10  3  1  1  3            
STABILITY            G  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            28.61 28.65 28.70 28.67 28.68 28.68 28.69 28.61            


Date           08/31Tue 09/01/26Wed 09/02/26Thu 09/03/26Fri 09/04/26
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       95      70      97      72      98      72      96      70      94
TEMP          94 84 73 73 95 86 75 74 96 86 75 74 94 84 73 72 91 82
DEWPT         66 67 67 67 67 68 68 69 68 68 68 69 68 68 68 68 68 68
RH            40 57 81 81 40 55 79 84 40 55 79 84 43 59 84 87 47 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW SC FW FW FW FW SC SC FW SC SC FW FW B1
POP 12HR            0       0       5       0      10      10      20      10      30
RAIN SHWRS                                           IS          SC
TSTMS                                                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