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

NCZ003-312000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 AM EDT Fri Jul 31 2026

Date             Fri 07/31/26            Sat 08/01/26            Sun 08/02/26
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                 86          65          83          67          78
TEMP                77 82 84 78 71 68 66 69 76 79 79 76 73 70 69 69 72 74 75 74
DEWPT               61 62 63 66 63 61 59 63 68 70 71 71 69 68 68 69 72 74 75 73
MAX/MIN RH                   48          81          74         100          95
RH                  58 51 49 67 76 78 78 81 76 74 77 85 87 93 97100100100100 97
WIND DIR             N  S  S  N  N  N  N  N  S  S  S  S  S  S SE SE  S  S  S  S
WIND SPD             0  2  3  0  0  0  0  0  4  9  6  4  3  4  4  3  5  6  5  2
WIND GUST                                                  14                  
CLOUDS              FW SC SC FW SC SC SC B1 B2 B2 B1 B2 OV OV OV OV OV OV OV B2
CLOUDS(%)           12 32 31 22 45 44 40 57 85 77 68 84 92 90 89 88 91 90 90 86
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          50          80          80
RAIN SHWRS                                     IS SC SC SC NM NM NM NM  O  O NM
TSTMS                                          IS SC IS IS       IS IS SC SC SC
MIX HGT              4  6  5 <1 <1 <1 <1 <1  2  4  3 <1 <1 <1 <1  1  1  2  2 <1
T WIND DIR           S SW SW  S  N  S NW  S  S  S  S  S  S  S  S  S  S  S  S  W
T WIND SPD           2  4  3  5  0  1  1  2  6 17 20 10 11 16  9  8 13 16 12  8
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 13 31 23  3  0  1  1  2 18 67 66  7  5 11  6 11 26 44 33  4
MAX LVORI            2  1  2  3  4  4  4  5  3  3  3  4  6  5  6  7  4  4  4  9
STABILITY            A  A  A  G  F  F  G  B  C  C  C  E  F  E  E  B  C  C  C  F
CEILING              None  None  None  None  1500  2400  1800   300   300  1500
STA PRES            28.15 28.11 28.10 28.07 28.07 27.99 27.96 27.93 27.94 27.95


Date          Mon 08/03/26Tue 08/04/26Wed 08/05/26Thu 08/06/26
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       67      81      66      81      66      81      67      83
TEMP          70 70 76 76 68 69 76 75 69 69 77 76 69 70 80 77
DEWPT         70 70 74 73 68 69 74 74 69 69 74 74 69 70 74 74
RH           100100 94 90100100 94 97100100 90 94100100 82 90
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 B1 B2 SC SC SC B2
POP 12HR           80      70      30      70      30      60      20      60
RAIN SHWRS    NM SC SC  O SC    SC NM SC    SC NM IS    IS NM
TSTMS         SC    IS SC SC    IS SC IS       SC IS    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