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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 PM EDT Wed Jul 23 2025

VAZ024-240800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
802 PM EDT Wed Jul 23 2025

Date           07/23/25      Thu 07/24/25            Fri 07/25/25            Sat
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                 65          91          67          97          71
TEMP                72 69 66 69 81 88 88 82 74 71 68 73 85 92 93 87 80 76 74 76
DEWPT               65 65 65 66 68 67 68 68 68 67 67 68 72 70 72 72 70 70 70 71
MIN/MAX RH                   97          48          96          45          95
RH                  79 87 97 90 65 50 52 63 82 87 97 84 65 49 51 61 72 82 87 85
WIND DIR            SE  E NE  N SW  S  S  S  S SW  W  W  W  W  W  W  W NW NW NW
WIND SPD             1  1  1  1  2  3  3  2  1  1  1  1  2  3  2  2  1  1  1  1
CLOUDS              CL CL FW SC FW FW FW FW CL CL FW FW CL FW FW FW FW FW FW FW
CLOUDS(%)            1  4 24 27 20 18 15 10  5  2  6 15  5 16 19 17 19 19 18 19
VSBY                10 10  2  9 10 10 10 10 10  8 10 10 10 10 10 10            
POP 12HR                      0           0           0           5           5
Obvis                      F                                                   
MIX HGT             <1 <1 <1  1  4  6  5 <1 <1 <1 <1 <1  4  7  6 <1            
T WIND DIR           E SE SE  S SW SW SW  S  S SW  W NW NW  W  W  W            
T WIND SPD           2  3  1  2  9  5  5  8  2  2  2  2 11  8 10 10            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  2  1  4 41 39 36  4  1  1  1  2 55 67 73  5            
MAX LVORI            4  6  9  6  1  1  1  3  5  6  8  6  1  1  1  3            
STABILITY            G  G  G  A  A  A  A  G  G  G  G  A  A  A  A  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.69 28.71 28.72 28.64 28.62 28.60 28.60 28.54            


Date           07/26Sun 07/27/25Mon 07/28/25Tue 07/29/25Wed 07/30/25
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       97      72      97      72      98      71      99      71      99
TEMP          93 87 77 77 93 88 77 77 93 87 76 76 94 88 76 76 94 88
DEWPT         74 73 72 72 72 73 71 72 71 69 69 70 70 71 71 71 71 71
RH            54 63 85 85 51 61 82 85 49 55 79 82 46 57 85 85 47 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW B1 B1 SC SC B1 SC FW FW SC SC FW FW SC SC FW FW B1
POP 12HR           30      20      30      10      20      20      20      20      30
RAIN SHWRS       SC IS       SC          IS IS       IS IS       SC
TSTMS            SC IS       SC          IS IS       IS IS       SC

$$


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