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

VAZ024-120800-
RAWS 441631
37.63N  79.51W Elev. 865 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          83          67          88          64
TEMP          79 71 68 67 67 68 75 82 82 74 70 70 69 68 78 87 88 79 70 67 66 65
DEWPT         73 71 68 67 66 68 74 74 74 73 70 70 69 68 73 72 71 71 69 67 66 65
MIN/MAX RH                  100          75         100          57         100
RH            82100100100 97100 97 77 77 97100100100100 85 61 57 77 97100100100
WIND DIR       E  E  E  N  N  N  E SE SE SE  N  N  N  W NW NW NW  W NW  W NW NW
WIND SPD       3  2  1  0  0  0  1  3  3  1  0  0  0  1  2  2  2  1  1  1  1  1
CLOUDS        B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 OV B2 B1 SC SC SC SC SC FW FW FW FW
CLOUDS(%)     78 57 83 74 76 71 87 74 83 84 90 86 63 35 39 38 38 31 21 18 13 22
VSBY           5  7  7  2  0  0  5 10 10  9  4  1  1  3 10  7  7 10 10 10 10   
POP 12HR                     40          80          70          20           0
RAIN SHWRS    NM SC IS       IS    SC SC NM SC SC          IS IS               
TSTMS         SC IS                IS SC IS IS             IS IS               
Obvis               PF PF PF PF             PF PF PF PF                        
MIX HGT        3 <1 <1 <1 <1 <1  1  2  2 <1 <1 <1 <1 <1  3  5  3 <1            
T WIND DIR    SE  E  E  E  E  E SE SE SE SE SE  S SW  W NW NW NW  W            
T WIND SPD     9  9 11  8  8  9  8  4  4  4  4  4  3  5 10 11  8  3            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           30  4  5  4  4  7 15 13 11  2  2  2  2  6 33 64 32  2            
MAX LVORI      3  9  9  9  8  8  5  4  4  9  9  9 10  9  4  1  1  4            
STABILITY      C  F  F  F  F  C  C  C  C  F  F  F  F  A  B  B  B  G            
CEILING              3500   900   300  1600  1600   200  None  None  None      
STA PRES            28.54 28.56 28.59 28.55 28.54 28.52 28.53 28.47            


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       87      56      79      57      85      61      89      66      83
TEMP          84 76 62 57 75 69 59 58 83 74 64 63 88 78 68 67 81 72
DEWPT         66 64 60 57 62 62 59 58 66 66 63 62 68 68 65 64 67 66
RH            55 66 93100 64 78100100 57 76 97 97 52 71 90 90 63 81
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC SC FW FW FW FW FW FW FW SC SC SC SC B1
POP 12HR           10       5       0       0       5       5      20      20      50
RAIN SHWRS                                           IS IS    IS 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