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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
201 PM EDT Tue Sep 16 2025

VAZ020-170800-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
201 PM EDT Tue Sep 16 2025

Date           09/16/25      Wed 09/17/25            Thu 09/18/25            Fri
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                 56          75          56          83          54
TEMP          68 63 60 59 58 57 67 74 72 64 62 60 58 57 73 80 80 68 63 60 57 55
DEWPT         54 53 53 53 53 53 58 60 60 58 58 57 56 57 60 57 56 55 54 54 53 52
MIN/MAX RH                   87          60         100          43          93
RH            61 70 78 80 83 86 73 62 66 81 87 90 93100 64 45 44 63 72 81 86 90
WIND DIR      NE  N  N  N  N NW  N NE NE NE  N NW NW NW NW NW NW NW NW NW NW NW
WIND SPD       2  3  4  4  4  3  2  2  2  2  2  2  2  2  1  1  2  2  2  2  2  2
CLOUDS        OV OV B2 B2 B2 B2 B1 B1 B1 B1 SC SC SC SC FW FW FW FW FW FW FW FW
CLOUDS(%)     89 91 76 70 74 75 66 58 58 55 44 35 33 37 18 23 14 20 17 16  8 10
VSBY          10 10 10  9  5 10  1  2  3  3  3 10 10 10 10 10 10 10            
POP 12HR                     20          20           5           5           0
RAIN SHWRS                   IS IS IS IS                                       
MIX HGT        2 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  3  5  5 <1            
T WIND DIR    NE  N NE NE  N  N  N  N  N NE NE  N NW  N  N  N SW NW            
T WIND SPD    18 13 11 13  9  5  9 16  8  4  3  0  1  0  3  0  3  2            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           49  6  8  9  6  4 19 56 26  2  2  0  1  0 12  0 21  1            
MAX LVORI      1  3  4  4  4  5  3  1  3  4  5  7  8 10  2  2  2  3            
STABILITY      B  F  E  E  E  C  C  C  C  F  F  G  G  B  A  A  B  G            
CEILING        5900  3800  1400   900  None  None  None  None  None  None      
STA PRES      27.95 27.93 27.88 27.87 27.85 27.89 27.89 27.91 27.88            


Date           09/19Sat 09/20/25Sun 09/21/25Mon 09/22/25Tue 09/23/25
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       85      57      81      59      77      56      79      57      82
TEMP          84 70 63 58 79 67 62 60 75 65 59 58 77 66 61 59 81 69
DEWPT         55 54 54 55 58 56 58 58 59 55 55 56 58 57 57 57 58 58
RH            37 57 72 90 49 68 87 93 58 70 87 93 52 73 87 93 46 68
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW FW SC B1 B2 B2 SC SC B1 B1 SC SC SC SC SC
POP 12HR            0       0       5       5       5       5      10      10      10

$$


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