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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EDT Mon Sep 21 2026

NCZ003-220800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
431 PM EDT Mon Sep 21 2026

Date           09/21/26      Tue 09/22/26            Wed 09/23/26            Thu
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          75          59          65          55
TEMP          78 73 69 68 67 67 70 73 73 69 65 63 62 61 63 63 64 62 59 58 57 56
DEWPT         70 69 68 67 67 67 69 70 70 67 64 62 61 60 62 62 63 62 59 58 57 56
MIN/MAX RH                   99          88          98          96         100
RH            76 87 97 97100100 97 90 90 93 97 97 97 97 97 97 97100100100100100
WIND DIR      SE  N  N  N  N  N  E  E  E  E NE NE NE NE NE NE NE NE NE NE NE NE
WIND SPD       2  0  0  0  0  0  1  3  2  3  3  2  3  4  5  5  5  5  4  3  3  4
CLOUDS        B1 B2 B1 B2 B2 OV OV B2 OV OV OV OV OV OV OV B2 B2 B2 B2 OV B2 B2
CLOUDS(%)     63 86 65 75 80 89 96 87 88 93 90 95 93 91 91 85 83 85 85 88 87 84
VSBY          10 10  8  6  5  5  6  6  6  4  3  6  6  6  6  6  6 10            
POP 12HR                     80          80          90          80          80
RAIN                                      L  D  D  C  D  D  L  L  D  D  L  L  C
RAIN SHWRS    SC  O SC NM SC SC SC NM  O                                       
TSTMS         SC SC SC IS IS IS IS SC SC                                       
MIX HGT        2 <1 <1 <1 <1 <1  1  2  1 <1 <1  1  1  1  2  2  2  1            
T WIND DIR    SE  E  E  E NE  E SE SW NE  E NE NE NE NE NE NE NE NE            
T WIND SPD     6  4  9  9  4  4  4  2  1 10 11 10  8 12 10 12 14 11            
DISPERSION       VP VP VP VP             VP VP VP VP             PR VP VP VP   
ADI           19  2  4  4  2  4  7  5  2  5  5  5  4 19 18 25 29  8            
MAX LVORI      3  6  6  7  9  9  8  6  7  7  7  7  9  5  5  5  4  8            
STABILITY      C  F  F  F  F  C  C  C  C  F  F  F  F  D  D  D  D  E            
CEILING              3700   500   600  1800  1400   600   700  1000   700      
STA PRES            28.12 28.17 28.20 28.18 28.24 28.24 28.29 28.29            


Date           09/24Fri 09/25/26Sat 09/26/26Sun 09/27/26Mon 09/28/26
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       65      51      72      48      73      49      75      50      75
TEMP          62 59 54 52 70 64 53 49 70 63 53 51 72 64 54 52 73 65
DEWPT         62 59 54 52 56 56 49 46 51 52 48 47 53 54 50 49 59 61
RH           100100100100 61 75 86 89 51 67 83 86 51 70 86 89 62 87
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC FW SC
POP 12HR           30       0       5       0       0       0       0       0       5
RAIN           C                                                   

$$


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