EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri Aug 7 2026

VAZ018-072000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
301 AM EDT Fri Aug 7 2026

Date             Fri 08/07/26            Sat 08/08/26            Sun 08/09/26
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                 83          67          86          68          87
TEMP          68 69 82 83 82 75 72 70 69 70 81 85 83 75 72 70 69 70 80 86 84 76
DEWPT         66 67 71 71 72 70 68 67 66 68 71 70 71 70 68 67 67 68 71 70 69 69
MAX/MIN RH                   66          93          61          94          59
RH            93 93 69 67 72 84 87 90 90 93 72 61 67 84 87 90 93 93 74 59 61 79
WIND DIR       W  W  W  W SW  W  W  W  W  W  W  W SW SW  W  W  W  W  W  W  W  W
WIND SPD       1  2  2  3  4  2  2  2  3  3  4  4  4  3  3  3  3  3  3  4  4  2
CLOUDS        B1 SC B1 B2 B1 B1 FW FW FW FW SC B1 B1 B1 SC SC SC SC SC SC SC SC
CLOUDS(%)     53 39 60 80 57 52 22 17 17 17 45 65 66 52 37 32 35 39 32 39 29 34
VSBY           1 10  7  7  7  7 10 10 10 10 10  6  7 10 10 10 10 10 10 10 10 10
POP 12HR                     40          20          40          10          10
RAIN SHWRS          IS SC SC IS                SC SC                           
TSTMS               IS SC SC IS                SC SC                           
Obvis         PF                                                               
MIX HGT       <1 <1  3  3  3 <1 <1 <1 <1 <1  4  5  3 <1 <1 <1 <1 <1  3  5  6 <1
T WIND DIR    SW  W  W SW  W  W  W SW  W  W  W  W  W  W  W  W  W  W NW  W SW SW
T WIND SPD     3  8 10  9  9  2  3  3  3  3 16 13 14 13  6  5  4  4  9  5  4 11
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            2  8 39 39 27  1  2  2  2  3 73 58 45  6  3  3  2  5 37 39 33  5
MAX LVORI      7  6  3  1  3  6  7  7  7  6  3  1  1  4  6  6  6  6  3  1  1  4
STABILITY      F  A  B  B  C  F  G  G  G  A  A  C  C  F  G  G  G  A  A  A  A  G
CEILING               600  4500  None  None  None  2900  None  None  None  None
STA PRES            27.99 27.94 27.93 27.92 27.93 27.88 27.89 27.88 27.91 27.86


Date          Mon 08/10/26Tue 08/11/26Wed 08/12/26Thu 08/13/26
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       68      89      69      89      69      86      68      84
TEMP          70 70 89 80 71 71 87 79 72 71 83 76 70 69 81 75
DEWPT         66 66 69 69 67 67 70 69 68 68 71 70 67 67 71 69
RH            87 87 52 69 87 87 57 72 87 90 67 82 90 93 72 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC SC FW SC SC SC B1 B1 B1 B1 B1 B1
POP 12HR            5      10       5      10      30      50      30      50
RAIN SHWRS                            SC       SC SC IS IS SC
TSTMS                                 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