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

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

Date           07/30/26      Fri 07/31/26            Sat 08/01/26            Sun
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                 57          88          64          86          67
TEMP                      60 63 76 82 84 75 69 66 65 68 79 83 82 74 73 71 70 69
DEWPT                     55 57 58 57 57 59 56 57 57 59 63 65 66 66 65 65 66 67
MIN/MAX RH                   85          39          77          54          94
RH                        84 81 54 43 40 58 63 73 75 73 58 55 58 76 76 81 87 93
WIND DIR                  NW NW  N  S  S  E  N  N  N SW SE  S  S SE SE SE SE SE
WIND SPD                   2  2  1  2  2  1  0  0  0  1  3  6  6  6  5  5  4  4
WIND GUST                                               13 19 21 23 21 23 17 14
CLOUDS                    FW FW FW SC SC SC B1 B1 SC B1 B2 OV B2 B1 B2 B2 B2 B2
CLOUDS(%)                  6 22 20 36 35 41 59 55 31 64 86 92 70 68 77 87 87 84
VSBY                       9  8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0          20          70
RAIN SHWRS                                                       IS IS SC SC NM
TSTMS                                                            IS IS       IS
MIX HGT                   <1 <1  4  6  6 <1 <1 <1 <1 <1  4  5  4  2 <1 <1 <1 <1
T WIND DIR                 W NW  W  W  W SE SE  S SE  S  S  S  S  S  S  S SE SE
T WIND SPD                 4  2  2  3  2  4  3  4  1  2 17 24 23 12 10 16 11  8
DISPERSION                VP             VP VP VP VP             PR PR PR VP   
ADI                        2  2 13 25 18  2  2  2  1  2 86103 91  8  7 11  8  8
MAX LVORI                  5  5  2  2  2  3  3  3  4  3  1  1  1  4  4  4  5  6
STABILITY                  G  A  A  A  A  F  F  F  G  B  A  C  C  E  E  E  E  C
CEILING                    None  None  None  None  None 12300  2500  2200   500
STA PRES                  27.82 27.82 27.78 27.76 27.74 27.72 27.66 27.64 27.60


Date           08/02Mon 08/03/26Tue 08/04/26Wed 08/05/26Thu 08/06/26
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       78      67      82      66      81      66      82      68      84
TEMP          75 71 70 69 78 73 68 68 78 73 68 68 79 74 69 69 82 75
DEWPT         72 70 68 68 72 70 66 67 71 70 66 67 71 71 67 68 71 70
RH            90 97 93 97 82 90 93 97 79 90 93 97 77 90 93 97 69 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B2 B2 B1 B2 B1 B1 B1 B2 SC B1 B1 B2 SC SC SC B1
POP 12HR           80      70      60      30      70      20      60      20      50
RAIN SHWRS    NM  O NM SC SC NM SC    IS NM IS    IS NM IS    IS SC
TSTMS         IS SC SC    IS SC SC    IS SC 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