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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Fri Sep 11 2026

VAZ018-120800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
401 PM EDT Fri Sep 11 2026

Date           09/11/26      Sat 09/12/26            Sun 09/13/26            Mon
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                 67          80          67          85          65
TEMP          77 69 68 68 68 68 75 80 77 70 69 69 68 68 77 84 83 72 69 67 66 66
DEWPT         71 69 67 66 66 68 72 73 73 70 68 68 67 68 72 71 70 67 66 65 64 64
MIN/MAX RH                  100          78         100          63          95
RH            82100 97 93 93100 90 79 87100 97 97 97100 85 65 65 84 90 93 93 93
WIND DIR      NW  E SE SE SE SE SE SE  S SE SE SW  W NW NW NW NW NW  W  W NW NW
WIND SPD       3  2  2  2  1  2  2  4  3  1  1  1  2  3  4  3  4  3  3  3  4  4
WIND GUST                                               14                   14
CLOUDS        B2 B2 B2 B2 B2 B2 OV B2 OV B2 OV B2 SC SC SC FW FW FW FW FW FW SC
CLOUDS(%)     80 81 76 86 77 79 90 87 89 73 89 70 44 35 40 25 24 14 12 19 19 36
VSBY           6  7  8  3  0  0 10 10 10  9  3  1  1  6 10 10 10 10 10 10 10   
POP 12HR                     20          80          60          10           0
RAIN SHWRS    NM IS IS       IS IS SC NM NM SC SC                              
TSTMS         SC IS                SC SC IS                                    
Obvis               PF PF PF PF             PF PF PF                           
MIX HGT        3 <1 <1 <1 <1 <1  1  2  2 <1 <1 <1 <1 <1  3  4  4 <1            
T WIND DIR     S SE  E  E  E  E SE SE SE SE SE  S  W NW NW NW NW  W            
T WIND SPD     2  9  9 10  9  4  6  6  5  6  4  4  6  8 13 13  9  4            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI            7  4  4  5  4  4 12 14 12  3  2  2  3  8 48 72 40  2            
MAX LVORI      4  9  7  6  6  9  5  4  5  9  8  8  8  8  4  1  1  5            
STABILITY      C  F  F  F  F  C  C  D  C  F  F  F  F  B  B  B  B  G            
CEILING              1400   800     0  1700  4400  None  None  None  None      
STA PRES            27.83 27.84 27.87 27.83 27.83 27.82 27.83 27.79            


Date           09/14Tue 09/15/26Wed 09/16/26Thu 09/17/26Fri 09/18/26
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       84      58      79      59      84      62      88      66      82
TEMP          83 72 62 59 75 67 61 60 82 72 65 63 86 75 69 67 80 71
DEWPT         65 61 59 57 63 61 58 58 66 64 61 61 67 65 64 63 67 64
RH            55 68 90 93 66 81 90 93 58 76 87 93 53 71 84 87 65 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW SC SC SC FW FW FW FW FW FW FW SC SC SC B1 B1
POP 12HR            5       0       0       0       5       5      20      20      50
RAIN SHWRS                                           IS IS IS SC SC
TSTMS                                                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