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

NCZ019-240800-
RAWS 312001
36.23N  81.32W Elev. 2380 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          85          68          88          71
TEMP                69 67 67 68 76 82 83 78 72 70 69 72 80 85 86 82 77 75 73 75
DEWPT               60 60 61 63 66 65 66 67 66 65 64 65 70 70 70 70 67 66 66 67
MIN/MAX RH                   87          55          85          56          83
RH                  73 78 81 84 71 56 57 69 81 84 84 79 72 61 59 67 71 74 79 76
WIND DIR            NE NE NE NE  E SE SE SE SW  W  W  W  W SW SW  W NW NW NW NW
WIND SPD             2  1  1  1  2  3  3  2  1  1  1  1  1  2  2  2  2  2  2  2
CLOUDS              CL FW SC B1 SC FW SC FW FW FW FW FW FW B1 B1 FW FW FW FW SC
CLOUDS(%)            1 16 37 58 41 19 28 10 11 12  8 10 10 53 53 19 15 11 15 40
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0          10           5          20           5
RAIN SHWRS                                                 IS IS               
TSTMS                                                      IS IS               
MIX HGT             <1 <1 <1  1  3  4  5 <1 <1 <1 <1 <1  4  6  4 <1            
T WIND DIR          NE NE  E SE  S  S  S  S NW  W  W NW NW NW SW  W            
T WIND SPD           2  2  1  4  2  1  3  5  2  3  3  3  8  3  3  4            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  1  7  9  6 21  3  1  2  2  3 41 22 18  2            
MAX LVORI            3  5  6  4  3  3  2  3  5  5  5  5  3  2  2  3            
STABILITY            G  G  F  B  A  A  A  G  G  G  G  A  A  B  B  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.09 28.10 28.13 28.07 28.06 28.05 28.06 27.99            


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       89      72      90      73      91      71      92      70      92
TEMP          86 82 75 75 87 83 76 76 88 83 74 75 88 84 74 74 89 84
DEWPT         72 70 68 69 71 70 69 69 69 68 66 66 68 69 68 67 67 68
RH            63 67 79 82 59 65 79 79 54 61 76 74 52 61 82 79 48 59
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC FW SC B1 SC FW SC B1 SC CL FW B1 SC FW SC B1
POP 12HR           40      10      50      10      40      20      30      20      40
RAIN SHWRS       SC          SC       IS SC IS       SC IS       SC
TSTMS            SC          SC       IS SC IS       SC 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