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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
932 PM EDT Fri Aug 15 2025

VAZ024-160800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
932 PM EDT Fri Aug 15 2025

Date           08/15/25      Sat 08/16/25            Sun 08/17/25            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                 70          90          68          93          70
TEMP                74 72 70 71 82 87 87 79 72 70 68 70 83 90 89 81 75 72 70 72
DEWPT               71 71 70 71 74 71 71 71 70 69 68 69 72 69 69 70 70 69 68 69
MIN/MAX RH                  100          57         100          49          95
RH                  90 97100100 77 59 59 77 93 97100 97 70 50 52 69 84 90 93 90
WIND DIR            NE NE  N  N  E SE SE NE  N  N  N  W  W NW NW NW NW NW  N  N
WIND SPD             1  1  1  1  1  2  2  1  0  0  0  1  1  2  2  1  1  1  1  2
CLOUDS              SC SC B1 B1 SC SC SC SC FW FW FW FW FW SC SC SC FW SC FW FW
CLOUDS(%)           36 36 56 53 39 41 27 46 24 23 22 21 20 31 36 33 24 27 25 25
VSBY                10  8  4  5 10 10 10 10  7  8  2 10  9 10 10 10  8  8  5   
POP 12HR                     10          30          10          10          10
Obvis                   F  F  F                                                
MIX HGT             <1 <1 <1 <1  3  5  4 <1 <1 <1 <1 <1  3  6  6 <1            
T WIND DIR          NE  N  N  E  E NE NE SE SE NE  N  N  W NW NW NE            
T WIND SPD           2  2  2  2  4  2  2  8  3  1  0  0  2  4  3  2            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  1  2 17 15 12  4  2  1  0  0  9 36 24  1            
MAX LVORI            7 10 10  9  3  2  2  4  7  9 10 10  3  1  2  3            
STABILITY            G  G  F  A  A  A  A  F  G  G  G  A  A  A  A  G            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  28.64 28.63 28.57 28.55 28.52 28.51 28.46            


Date           08/18Tue 08/19/25Wed 08/20/25Thu 08/21/25Fri 08/22/25
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       91      69      85      67      84      67      82      64      79
TEMP          89 80 72 70 83 77 70 68 81 74 69 68 79 72 66 64 77 71
DEWPT         69 70 69 70 71 71 68 67 68 68 66 65 65 65 62 63 64 65
RH            52 72 90100 67 82 93 97 65 82 90 90 62 79 87 97 64 81
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B1 B2 B2
POP 12HR           30      20      40      40      60      50      40      30      30
RAIN SHWRS       SC IS    IS SC SC IS IS NM SC SC SC SC SC IS IS SC
TSTMS            SC IS    IS SC SC       SC          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