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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Fri Aug 28 2026

VAZ046-282000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
301 AM EDT Fri Aug 28 2026

Date             Fri 08/28/26            Sat 08/29/26            Sun 08/30/26
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                 87          65          85          66          88
TEMP          67 70 79 84 86 78 69 68 66 66 77 82 83 76 69 67 67 68 79 85 88 81
DEWPT         67 67 69 69 68 68 67 67 66 66 67 68 67 67 68 67 67 68 70 70 69 69
MAX/MIN RH                   57         100          58         100          54
RH           100 90 72 61 55 71 93 97100100 71 63 59 74 97100100100 74 61 54 67
WIND DIR      SW  W  N NE NE NE NE  N  N NE NE  E  E  E  E  N  N SW SW SW  S  S
WIND SPD       2  2  3  4  6  4  5  4  4  5  8  5  5  3  2  0  0  1  3  5  5  3
CLOUDS        SC SC SC B1 B2 B1 B1 B2 B1 B1 B1 B1 SC FW SC SC SC B1 SC SC FW FW
CLOUDS(%)     49 37 45 59 75 52 65 76 61 53 59 62 36 24 36 37 49 52 42 29 24 19
VSBY           4  4 10  9  9  9  8  6  8 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     40          20           0           5           5
RAIN SHWRS             SC SC IS                                                
TSTMS                  SC SC IS                                                
Obvis         PF PF                PF                                          
MIX HGT       <1 <1  3  5  3 <1 <1 <1 <1 <1  3  5  5 <1 <1 <1 <1 <1  3  5  4 <1
T WIND DIR    SW  N  N  N NE NE  N  N  N NE  E  E  E  E SE SE  E  S SW SW SW  S
T WIND SPD     1  0  3  6  4  2  2  4  4 11 10  6  8  5  2  2  2  6  6  5  6 12
DISPERSION    VP             VP PR VP VP             VP VP VP VP             VP
ADI            1  0 12 28 15  2  2  3  3  9 31 28 50  3  1  1  1  7 27 36 35  6
MAX LVORI     10  6  3  2  2  3  8  9  9  8  3  2  1  4  7 10 10  8  3  1  1  3
STABILITY      F  A  A  C  C  E  E  E  E  C  C  C  A  G  G  G  F  B  A  A  A  G
CEILING              None  4600  4000  None  2500  None  None  None  None  None
STA PRES            29.33 29.32 29.37 29.42 29.48 29.45 29.47 29.48 29.46 29.37


Date          Mon 08/31/26Tue 09/01/26Wed 09/02/26Thu 09/03/26
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       69      94      71      95      73      96      72      95
TEMP          71 71 92 84 74 73 93 85 76 74 94 86 76 74 92 84
DEWPT         68 69 67 67 67 68 67 68 68 69 68 69 68 69 69 69
RH            90 93 44 57 79 84 43 57 76 84 43 57 76 84 47 61
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW FW FW FW FW FW FW FW FW SC FW B1
POP 12HR            0       0       5      10       5      20      20      30
RAIN SHWRS                                     IS IS       SC
TSTMS                                          IS 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