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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Jul 31 2026

VAZ018-010800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Fri Jul 31 2026

Date           07/31/26      Sat 08/01/26            Sun 08/02/26            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          67          78          67
TEMP                70 66 64 67 79 84 83 76 74 72 70 69 71 74 75 72 71 70 70 70
DEWPT               56 55 57 60 62 63 64 64 64 65 66 67 71 72 73 71 69 68 68 69
MIN/MAX RH                   81          49          99          86          97
RH                  61 68 78 78 56 49 53 66 71 79 87 93100 93 94 97 93 93 93 97
WIND DIR            SW SW SW SW  S  S  S  S SE SE SE SE SE SE SE SE  S  S SW SW
WIND SPD             1  1  1  1  4  8  8  8  8  6  5  4  5  5  5  3  2  1  1  2
WIND GUST                       14 21 23 24 27 25 19 16 17 17 16 14            
CLOUDS              B1 B1 B1 B1 B2 OV B2 B2 B2 B2 B2 B2 OV OV OV B2 B2 B2 B2 B2
CLOUDS(%)           56 59 54 59 87 89 84 79 83 70 84 86 90 92 92 83 83 82 73 72
VSBY                10 10 10 10 10 10 10 10  9  9  4  1  5  3  3  3  3  7  7  6
POP 12HR                      0          10          60          90          70
RAIN SHWRS                               IS    SC NM  O  O  O  O  O  O IS IS SC
TSTMS                                    IS    SC SC SC SC SC SC SC SC         
MIX HGT             <1 <1 <1 <1  3  6  5  2 <1 <1 <1 <1  1  2  2  1            
T WIND DIR          SE  S SW SE  S  S  S SE  S  S SE SE  S  S  S  S            
T WIND SPD           4  3  1  2 18 18 20  6  9 16 10  6 10 14 18 11            
DISPERSION          VP VP VP             PR PR PR PR             VP VP VP VP   
ADI                  2  2  1  2 81 82 82  8  8 11  7  5 19 41 49  5            
MAX LVORI            3  3  4  4  1  1  1  3  3  4  5  6  5  4  4  9            
STABILITY            F  F  F  A  A  C  C  D  D  E  E  C  C  C  C  F            
CEILING              None  None 17300  3400  3000   900   600  1100  1400      
STA PRES            27.77 27.76 27.75 27.69 27.68 27.67 27.68 27.66            


Date           08/03Tue 08/04/26Wed 08/05/26Thu 08/06/26Fri 08/07/26
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       80      66      82      66      84      68      87      68      87
TEMP          79 74 69 68 80 75 68 69 82 76 70 70 84 77 70 70 85 77
DEWPT         72 70 66 67 71 70 66 67 71 70 67 68 71 70 67 68 71 70
RH            79 87 90 97 74 84 93 93 69 82 90 93 65 79 90 93 63 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B1 B1 B1 B2 SC SC SC B1 SC SC SC B1 SC SC SC B1
POP 12HR           60      20      60      20      40      10      40      20      50
RAIN SHWRS    SC NM IS    IS NM IS       SC          SC IS    IS SC
TSTMS            SC IS       SC IS       SC          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