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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EDT Tue Aug 25 2026

NCZ001-252000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
1231 PM EDT Tue Aug 25 2026

Date             Tue 08/25/26            Wed 08/26/26            Thu 08/27/26
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                 72          57          71          60          71
TEMP                   70 70 63 60 60 59 59 67 69 68 63 63 63 62 63 67 70 68 63
DEWPT                  52 53 52 53 53 53 55 58 61 63 61 60 60 59 60 62 62 63 61
MAX/MIN RH                   53          85          73          93          78
RH                     53 55 67 78 78 80 87 73 76 84 93 90 90 90 90 84 76 84 93
WIND DIR               SW SW  S  S  S  S  S  S  S  S  S  S  S  S  W SW  S  S  S
WIND SPD                3  3  2  4  5  5  5  6  8  5  4  5  6  5  4  4  4  3  2
CLOUDS                 FW FW CL SC FW SC SC SC B1 B1 SC SC B1 B1 B1 B1 B2 B2 B2
CLOUDS(%)              13  6  4 29 16 28 28 40 54 61 45 33 59 63 65 54 81 81 76
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10  7  7  7  7  7  7  7
POP 12HR                      0           0          40          10          70
RAIN SHWRS                                     SC SC                IS SC NM SC
TSTMS                                          SC SC                IS SC SC SC
MIX HGT                 5  5 <1 <1 <1 <1 <1  4  4  2 <1 <1 <1 <1 <1  3  5  3 <1
T WIND DIR              W  W  S  S SW SW  S  S  S  S  S  S  S SW SW  W  S  S NE
T WIND SPD              2  3  3  4  1  1  1 10  9  6  4  6 10  3  2  6  5 10  2
DISPERSION                   VP VP PR PR             VP PR PR PR             VP
ADI                    13 21  2  2  1  1  1 44 35 17  3  3  7  2  2 22 23 33  1
MAX LVORI               2  2  3  4  6  6  5  3  3  4  6  6  5  6  6  4  3  4  7
STABILITY               A  A  G  F  F  F  A  B  C  C  E  F  E  E  A  C  C  B  F
CEILING                    None  None  None  None   600  None 10600  9700   500
STA PRES                  26.78 26.81 26.80 26.82 26.78 26.76 26.75 26.75 26.72


Date          Fri 08/28/26Sat 08/29/26Sun 08/30/26Mon 08/31/26
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       61      69      60      71      61      72      62      75
TEMP          63 62 68 62 62 61 69 63 63 62 71 65 64 64 74 67
DEWPT         60 60 63 61 59 58 61 61 60 60 62 61 60 60 63 62
RH            90 93 84 97 90 90 76 93 90 93 73 87 87 87 69 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 OV B2 B1 B1 B1 B1 B1 SC B1 SC SC SC SC
POP 12HR           50      70      10      50      10      30       5      20
RAIN SHWRS    SC SC SC NM          SC          SC          IS
TSTMS         SC    IS SC          SC          SC          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