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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Mon Jul 20 2026

NCZ003-210800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
231 AM EDT Mon Jul 20 2026

Date           07/19/26      Mon 07/20/26            Tue 07/21/26            Wed
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                 71          84          69          87          71
TEMP                      72 72 78 83 83 79 74 72 71 72 80 86 84 81 76 75 73 72
DEWPT                     69 70 72 72 73 72 71 71 70 71 74 74 74 72 71 71 70 72
MIN/MAX RH                   95          69         100          68         100
RH                        90 93 82 70 72 79 90 97 97 97 82 68 72 74 85 87 90100
WIND DIR                   N NE  E  S SE SW SE  S SW SW SW SW  W SW SW SW SW SW
WIND SPD                   2  4  3  4  3  2  2  3  4  6  8  9  9 10 11 12 11  9
WIND GUST                                                  20 20               
CLOUDS                    B2 B1 B1 B1 B2 B2 B2 B2 B2 B1 B1 B2 B2 B1 B1 B2 B2 OV
CLOUDS(%)                 76 53 57 67 80 82 76 77 78 62 66 78 72 59 66 84 84 92
VSBY                       7  8 10 10 10 10 10 10  8 10 10  6 10  4  6 10  3 10
POP 12HR                     40          70          70          70          80
RAIN SHWRS                         SC NM NM NM IS          NM SC SC SC  O  O  O
TSTMS                              SC NM SC SC IS          NM SC SC SC IS IS IS
Obvis                                          PF                              
MIX HGT                   <1 <1  2  4  2 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1
T WIND DIR                 N NE  E  S  S SE  S  W SW SW SW  W  W  W SW SW SW SW
T WIND SPD                 2  9  4  2  8  4 11  2  2  5 13  5 14  4  3  3  6  8
DISPERSION                VP             VP VP VP VP             FR FR FR FR   
ADI                        1 11 14  8 25  2  5  1  2  4 37 18 31  4  3  3  6  7
MAX LVORI                  8  7  4  3  3  5  9 10 10  9  4  3  3  4  5  6  6  8
STABILITY                  F  C  B  C  B  F  F  F  E  C  C  C  C  D  D  D  D  C
CEILING                    3100  None  2500  3600  1300  2100  3600  3500  2100
STA PRES                  28.87 28.91 28.85 28.87 28.83 28.85 28.87 28.80 28.81


Date           07/22Thu 07/23/26Fri 07/24/26Sat 07/25/26Sun 07/26/26
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       84      65      78      63      79      65      78      65      83
TEMP          80 78 68 65 75 73 66 65 76 74 67 66 76 74 66 67 81 78
DEWPT         73 71 66 64 65 66 64 64 66 66 65 65 68 68 66 66 69 69
RH            79 79 93 97 71 79 93 97 71 76 93 97 76 82100 97 67 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV OV B2 B1 B1 B1 B1 B1 B1 B1 B1 B2 B2 B1 B1 SC SC B1
POP 12HR           90      60      30      30      20      30      40      20      30
RAIN SHWRS     O  O NM SC SC SC SC SC IS IS IS SC SC SC IS    IS SC
TSTMS         SC SC IS       SC IS       IS 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