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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Thu Aug 27 2026

VAZ046-272000-
RAWS 441101
37.39N  78.80W Elev. 804 ft
401 AM EDT Thu Aug 27 2026

Date             Thu 08/27/26            Fri 08/28/26            Sat 08/29/26
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                 88          67          86          67          87
TEMP          71 72 81 85 87 79 74 71 69 70 78 83 85 76 70 68 67 68 79 84 86 79
DEWPT         65 68 69 68 69 69 69 68 67 68 71 71 70 69 68 68 66 67 70 70 69 69
MAX/MIN RH                   56         100          63         100          57
RH            81 87 67 57 55 72 84 90 93 93 79 67 61 79 93100 97 97 74 63 57 72
WIND DIR       S  S  S  S  S  S  W SW  S  N NW SE  N  N  N  N  N  N NE  E  E SE
WIND SPD       4  3  5  6  6  3  2  2  2  2  2  3  4  2  1  1  2  3  5  5  4  2
CLOUDS        SC SC B2 B2 B2 B1 B1 SC SC SC B1 B2 B1 B1 B2 B2 B2 B1 B1 B1 SC FW
CLOUDS(%)     29 35 71 75 78 60 62 38 43 43 51 75 55 63 78 74 74 61 54 54 44 18
VSBY          10 10 10 10 10 10  9  8  8  9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     20          20          30          30          10
RAIN SHWRS                   IS IS             IS SC SC SC                     
TSTMS                        IS IS             IS SC SC                        
MIX HGT       <1 <1  3  5  4 <1 <1 <1 <1 <1  3  5  3 <1 <1 <1 <1 <1  3  5  5 <1
T WIND DIR     S  S SW SW  S  S  S  S  S SW SW  S  E  E SE  N  N  N NE NE  E  E
T WIND SPD     2  4 12 10 10 10 14 10  3  9  1  4  3  2  1  1  0  2  6  4  4  3
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            1  4 40 61 40  5  7  5  2  9  4 25 12  1  1  1  0  2 23 19 30  2
MAX LVORI      5  5  1  1  1  3  4  6  7  6  4  3  2  5  8 10 10  9  3  2  1  3
STABILITY      F  A  C  B  C  F  F  G  F  A  B  B  C  F  F  F  F  B  B  C  A  G
CEILING              6500  5600  None  None  2200  1900  4900  1200  None  None
STA PRES            29.30 29.24 29.27 29.29 29.31 29.31 29.35 29.40 29.45 29.42


Date          Sun 08/30/26Mon 08/31/26Tue 09/01/26Wed 09/02/26
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       67      89      69      93      71      95      71      93
TEMP          68 69 87 81 72 71 91 84 73 72 92 85 75 73 91 84
DEWPT         68 69 70 68 68 68 67 67 67 68 69 69 69 69 70 70
RH           100100 57 65 87 90 45 57 81 87 47 59 82 87 50 63
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 FW FW SC
POP 12HR           10      10       0       5       5       5      10      20
RAIN SHWRS                                                 IS
TSTMS                                                      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