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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Sat Sep 19 2026

NCZ003-200800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
401 PM EDT Sat Sep 19 2026

Date           09/19/26      Sun 09/20/26            Mon 09/21/26            Tue
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                 66          86          65          86          64
TEMP          81 74 70 68 67 67 75 83 83 75 70 68 66 66 80 84 80 73 68 67 65 64
DEWPT         70 69 68 68 67 67 71 70 71 72 69 68 66 66 72 72 73 71 68 67 65 64
MIN/MAX RH                  100          62         100          67         100
RH            69 84 93100100100 87 65 67 90 97100100100 77 67 79 93100100100100
WIND DIR      SE SE  N  N  N  N  S  S SW  N  N  N NW NW NE SE  E NE  E  E  E  E
WIND SPD       3  1  0  0  0  0  3  3  2  0  0  0  1  1  1  3  2  2  1  1  1  1
CLOUDS        SC B1 B1 B2 B2 B2 B2 B1 B2 B1 B1 SC SC SC SC B2 B2 B2 B2 B2 OV B2
CLOUDS(%)     48 51 60 81 85 83 78 69 70 60 52 35 28 48 48 87 87 87 87 86 92 83
VSBY          10 10  9  8  6  6 10 10 10 10 10  6  4  8 10 10 10 10            
POP 12HR                     40          60          40          80          80
RAIN SHWRS    IS SC SC             SC NM SC SC       IS IS  O  O  O  O SC SC SC
TSTMS         IS IS                SC SC SC                SC SC IS            
MIX HGT        3 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  2  4 <1 <1            
T WIND DIR     S SE  N  E SE  S SW SW SW SW SW  W NW NW NW  S  E  E            
T WIND SPD     3  1  1  1  5  5  9  5  9  8  3  2  3  4  5  3  8  9            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           14  1  1  1  3  4 20 19 21  4  2  1  2  4 17 13  8  4            
MAX LVORI      3  6  9 10  9  9  4  3  3  6 10 10 10  9  3  3  4  6            
STABILITY      B  F  F  F  F  C  C  C  C  F  F  G  G  A  A  C  C  F            
CEILING              3900  1200   600  1300  None  None  None  2300   500      
STA PRES            28.17 28.14 28.16 28.09 28.10 28.10 28.12 28.08            


Date           09/22Wed 09/23/26Thu 09/24/26Fri 09/25/26Sat 09/26/26
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       75      60      68      57      69      55      72      52      73
TEMP          72 68 63 61 65 64 59 58 67 64 58 56 70 65 56 53 70 65
DEWPT         70 68 63 61 65 63 59 58 64 62 57 56 61 59 54 52 57 57
RH            93100100100100 97100100 90 93 96100 73 81 93 96 63 75
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV B2 OV B2 B2 B2 B2 B2 B2 SC SC SC SC SC SC SC SC
POP 12HR           70      70      60      60      30      10      20      10      10
RAIN SHWRS    SC NM NM NM NM SC NM NM SC IS          IS            
TSTMS            SC 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