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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Sat Aug 22 2026

VAZ012-222000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
331 AM EDT Sat Aug 22 2026

Date             Sat 08/22/26            Sun 08/23/26            Mon 08/24/26
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                 80          61          76          52          77
TEMP          64 67 73 79 78 69 66 63 62 61 67 73 72 65 58 55 53 54 70 75 73 64
DEWPT         62 65 66 64 64 64 62 61 59 58 59 56 55 54 53 52 51 52 55 53 52 52
MAX/MIN RH                   59          99          51          95          45
RH            93 93 79 60 62 84 87 93 90 90 75 55 55 68 83 90 93 93 59 46 48 65
WIND DIR       N SW  W  W  W  W  W  W  W NW NW  W  W  W  W  W  W  W  W NW NW NW
WIND SPD       0  1  2  4  5  5  4  5  6  3  3  3  3  2  1  1  1  2  3  3  3  1
CLOUDS        B2 B1 SC SC B1 B1 B1 SC SC FW FW CL FW FW FW FW FW FW FW FW FW FW
CLOUDS(%)     83 63 46 29 63 68 64 33 42 22 11  5 12 10 25 11 14 13 14 17 22 16
VSBY           2  2 10 10 10 10 10  8  7  7 10 10 10 10 10 10 10  1 10 10 10   
POP 12HR                     50          40           0           0           0
RAIN SHWRS                SC SC IS                                             
TSTMS                     SC SC                                                
MIX HGT       <1 <1  3  5  3 <1 <1 <1  1  1  3  6  6 <1 <1 <1 <1 <1  4  5  5 <1
T WIND DIR    SE SE NW NW  W SW SW  W NW NW NW NW  W  W  W  W  W NW  W  W  W NW
T WIND SPD     4  2  6  8  5  8  5  5 14 13 17 19 13 11  4  5  3  4 16 11  9  5
DISPERSION    VP             PR VP PR PR             VP VP VP VP             VP
ADI            2  2 27 50 20  5  4  3 10 23 75134101  5  2  3  2  4 82 71 58  3
MAX LVORI      8  6  3  1  2  4  6  6  5  4  3  1  1  3  5  6  7  6  1  1  1  3
STABILITY      F  B  A  A  C  E  E  F  E  A  A  A  A  G  G  G  G  A  A  A  A  G
CEILING              None  2900  None  None  None  None  None  None  None  None
STA PRES            27.26 27.20 27.20 27.20 27.25 27.24 27.27 27.27 27.30 27.29


Date          Tue 08/25/26Wed 08/26/26Thu 08/27/26Fri 08/28/26
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       52      81      56      84      61      82      60      84
TEMP          53 54 77 70 59 59 80 72 63 63 77 71 62 62 80 73
DEWPT         49 50 54 56 54 55 60 62 61 62 66 65 62 62 65 64
RH            86 86 45 61 83 87 51 71 93 97 69 81100100 60 73
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW SC FW FW SC SC B1 SC B1 B1 B2 SC SC B1 SC
POP 12HR            0       5       0      30      20      60      20      20
RAIN SHWRS                         SC    IS SC NM IS       IS
TSTMS                              IS       IS SC IS       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