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

VAZ046-120800-
RAWS 441101
37.39N  78.80W Elev. 804 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                 68          83          69          88          67
TEMP          80 74 69 69 69 69 76 82 82 75 72 71 70 70 80 86 88 79 72 69 68 68
DEWPT         73 72 69 68 67 69 74 74 74 73 72 71 70 70 74 73 72 72 70 69 67 68
MIN/MAX RH                  100          75         100          59         100
RH            79 93100 97 93100 94 77 77 94100100100100 82 65 59 79 93100 97100
WIND DIR      NE  E  E NE NE NE  E SE  E  S SE  S  S SW  W NW  W  W  W  W  W NW
WIND SPD       8  5  4  3  3  3  3  4  4  2  2  2  3  4  4  4  3  2  2  2  3  4
CLOUDS        B1 B1 B1 B1 B2 B2 OV OV B2 OV OV B2 B1 B1 SC SC SC SC FW FW FW FW
CLOUDS(%)     69 59 56 66 87 81 88 89 85 91 88 86 62 59 39 40 40 27 21 20 17 21
VSBY           5  5  8  5  3  2  5 10 10  9  4  5  5  6 10  7  7 10 10 10 10   
POP 12HR                     40          70          80          20           5
RAIN SHWRS    SC SC IS             IS SC  O NM SC IS       IS IS               
TSTMS         SC SC                IS SC SC IS             IS IS               
Obvis                                       PF                                 
MIX HGT        3 <1 <1 <1 <1 <1  1  2  2 <1 <1 <1 <1 <1  3  5  3 <1            
T WIND DIR    NE  E  E  E  E  E  E SE  S  E NE  S SW  W NW NW  W SW            
T WIND SPD     9 13 11  8  8  8  9 11  6  1  1  2  4  8  6  5  6  1            
DISPERSION       PR VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           20  9  8  4  4  6 14 24 13  1  1  1  2  9 23 33 28  1            
MAX LVORI      3  6  8  8  8  8  5  3  4  8 10 10  9  8  3  1  2  4            
STABILITY      D  E  E  F  F  C  C  D  D  F  F  F  F  D  B  B  B  G            
CEILING              3000  1400   400  4000  5200  3200  None  None  None      
STA PRES            29.33 29.36 29.38 29.33 29.32 29.30 29.30 29.23            


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       86      57      79      58      83      62      89      67      85
TEMP          83 75 62 58 76 71 60 59 82 75 65 64 87 80 70 68 83 75
DEWPT         68 65 59 57 61 62 60 59 66 66 63 63 67 67 65 63 66 66
RH            61 71 90 96 60 73100100 58 74 93 97 52 65 84 84 57 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW SC FW SC FW SC FW FW FW FW FW FW SC SC SC B1
POP 12HR           20       0       0       0       0       0      10      20      30
RAIN SHWRS       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