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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Mon Aug 24 2026

VAZ018-250800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
231 AM EDT Mon Aug 24 2026

Date           08/23/26      Mon 08/24/26            Tue 08/25/26            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                 58          78          54          83          59
TEMP                      58 59 71 76 76 68 62 57 54 57 71 79 80 69 64 61 60 61
DEWPT                     53 53 57 55 52 50 51 50 50 50 53 52 51 53 53 52 52 54
MIN/MAX RH                   88          44          86          36          79
RH                        83 80 61 48 43 52 67 77 86 77 53 39 36 57 67 72 75 78
WIND DIR                   W  W  W  W NW NW  N NW NW NW  N  W  W  W NW  N  N  S
WIND SPD                   2  3  5  6  8  8  4  3  1  1  1  1  2  1  1  1  0  1
WIND GUST                    13 17 17                                          
CLOUDS                    CL CL CL FW FW FW FW FW FW SC SC SC SC FW FW FW FW SC
CLOUDS(%)                  0  1  4 12 13 11 16  9  9 26 31 30 38 22 19 17 18 37
VSBY                      10  8 10 10 10 10 10 10  9  6 10 10 10 10 10 10 10   
POP 12HR                      0           0           0           0           0
MIX HGT                   <1 <1  5  6  5 <1 <1 <1 <1 <1  3  5  6 <1 <1 <1 <1 <1
T WIND DIR                 W  W  W  W  W NW NW NW NW NW  N  W SW SE  S NW NW NW
T WIND SPD                 3  4 18 12 13  6  5  3  4  2  5  3  4  2  2  2  2  1
DISPERSION                VP             PR VP VP VP             VP VP VP VP   
ADI                        2  4109 82 82  5  3  2  2  2 23 22 33  1  1  1  1  1
MAX LVORI                  5  4  1  1  1  2  3  4  5  4  2  2  1  3  3  3  4  4
STABILITY                  G  A  A  B  B  E  F  G  G  A  A  A  A  G  G  G  G  A
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  27.79 27.82 27.82 27.87 27.88 27.90 27.85 27.87 27.87


Date           08/26Thu 08/27/26Fri 08/28/26Sat 08/29/26Sun 08/30/26
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       86      65      85      64      84      64      85      66      86
TEMP          84 73 67 67 83 73 66 66 82 73 66 66 83 74 67 67 84 76
DEWPT         63 62 62 63 68 66 63 64 67 65 62 63 66 64 63 64 67 65
RH            49 68 84 87 61 79 90 93 61 76 87 90 57 71 87 90 57 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 B1 B1 B1 B2 SC SC SC B1 FW FW FW FW FW SC SC SC
POP 12HR           20      30      60      30      30       5      10      10      20
RAIN SHWRS       IS SC    IS NM SC       SC                      IS
TSTMS            IS IS    IS SC IS       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