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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Sep 21 2025

NCZ003-220800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 PM EDT Sun Sep 21 2025

Date           09/21/25      Mon 09/22/25            Tue 09/23/25            Wed
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                 58          81          59          85          61
TEMP                66 63 61 62 72 78 79 72 65 61 59 60 77 84 81 73 67 65 62 63
DEWPT               61 61 60 60 64 65 65 64 62 60 58 59 64 64 65 65 63 62 60 62
MIN/MAX RH                  100          62          98          51          97
RH                  84 93 97 93 76 64 62 76 90 97 96 96 64 51 58 76 87 90 93 97
WIND DIR             E  N  N  S  S SE  S  N  N  N  N  N SW SW SW  W  N  N  N NW
WIND SPD             1  0  0  1  2  2  2  0  0  0  0  0  2  4  3  1  0  0  0  1
CLOUDS              SC B1 B1 B1 B2 SC SC SC SC SC SC SC SC SC SC SC SC B1 B1 B1
CLOUDS(%)           34 65 63 67 73 48 37 33 42 31 26 27 28 35 50 39 42 55 53 56
VSBY                10 10  7  5 10 10 10 10 10 10  9 10 10 10 10 10            
POP 12HR                     10          20           5          30          10
RAIN SHWRS                            IS                   SC SC               
TSTMS                                 IS                   SC IS               
Obvis                     PF PF                                                
MIX HGT             <1 <1 <1 <1  2  4  4 <1 <1 <1 <1 <1  2  5  4 <1            
T WIND DIR          SE SE  N  S SW  S  S  S  S  W  W  W SW SW  W SW            
T WIND SPD           2  1  0  3  6  6 10  3  2  2  2  2 11 11 12  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  0  3 18 32 48  2  1  1  1  2 33 69 54  2            
MAX LVORI            5  8  9  8  3  3  1  4  7  8  8  8  1  1  1  4            
STABILITY            G  F  F  C  C  B  B  G  F  G  G  A  B  B  B  G            
CEILING              None  2300  1100  None  None  None  None  None  None      
STA PRES            28.25 28.24 28.24 28.16 28.16 28.16 28.17 28.12            


Date           09/24Thu 09/25/25Fri 09/26/25Sat 09/27/25Sun 09/28/25
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       84      63      77      62      75      60      77      58      78
TEMP          82 71 64 65 76 69 65 64 74 67 62 61 75 69 60 60 77 67
DEWPT         66 68 64 65 69 69 65 64 68 67 62 61 63 64 60 59 63 62
RH            58 90100100 79100100100 82100100100 66 84100 96 62 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B2 B2 B2 B2 OV B2 B2 B2 B1 B1 B1 SC SC SC SC SC
POP 12HR           40      40      70      70      70      40      40      20      30
RAIN SHWRS       SC SC SC SC NM NM NM NM NM SC SC SC SC IS IS IS SC
TSTMS            SC       IS SC IS       IS          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