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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Oct 17 2025

NCZ003-180800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 PM EDT Fri Oct 17 2025

Date           10/17/25      Sat 10/18/25            Sun 10/19/25            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                 49          77          54          71          43
TEMP                54 52 51 52 67 76 76 67 61 58 56 55 66 69 66 58 52 49 46 43
DEWPT               44 45 46 47 53 57 58 59 57 56 55 53 55 57 58 51 43 40 37 36
MIN/MAX RH                   85          51          97          64          76
RH                  69 77 83 83 61 52 54 75 87 93 96 93 68 66 75 77 71 71 71 76
WIND DIR             S  N  N  N SW  S  S  S  S  S  S  S  S  S SW  W  W NW NW NW
WIND SPD             1  0  0  0  2  4  5  2  2  2  2  4 13 16 16  8  6  5  5  5
WIND GUST                                            14 25       21 21 18 18 16
CLOUDS              B1 SC SC FW FW FW FW FW FW SC B1 B1 B2 OV B2 B1 B1 FW FW CL
CLOUDS(%)           55 47 37 17 11  9 13 14 24 48 56 61 71 89 80 51 51 18 10  5
VSBY                10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      0           0           0          70          30
RAIN SHWRS                                           SC SC NM NM SC SC         
MIX HGT             <1 <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  3  3  2  1            
T WIND DIR          SW  W NW NW  W  W  S  S  S SW SW  S  S  S SW  W            
T WIND SPD           2  1  2  2  8  6  9  5  5  5  8 11 23 19 16 11            
DISPERSION          VP VP VP             VP VP VP VP             PR PR PR PR   
ADI                  1  1  1  2 17 30 35  3  3  3  4 13 57 49 33 13            
MAX LVORI            5  6  6  6  3  1  1  5  6  8  8  5  3  3  3  4            
STABILITY            F  F  F  A  B  B  B  G  G  F  F  D  D  D  D  D            
CEILING              None  None  None  None  None  None  1300   600  None      
STA PRES            28.12 28.13 28.15 28.11 28.12 28.06 28.02 27.96            


Date           10/20Tue 10/21/25Wed 10/22/25Thu 10/23/25Fri 10/24/25
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       68      42      73      41      63      36      67      44      68
TEMP          65 57 45 43 72 58 48 42 61 53 41 38 64 57 48 45 67 55
DEWPT         38 41 37 35 46 44 38 34 36 37 35 34 39 42 39 40 44 45
RH            37 55 73 73 39 59 68 73 39 54 79 85 40 57 71 82 43 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL CL FW FW FW FW FW FW FW FW FW SC B1 B1 SC SC
POP 12HR            0       0       5       5       0       0       5       5      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