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

NCZ003-192000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
401 AM EDT Sat Sep 19 2026

Date             Sat 09/19/26            Sun 09/20/26            Mon 09/21/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 82          66          83          65          85
TEMP          68 70 76 80 81 76 72 70 68 69 76 81 82 75 70 68 66 67 80 83 80 72
DEWPT         67 68 70 70 69 69 68 67 66 67 71 72 71 71 69 67 66 66 72 71 72 70
MAX/MIN RH                   68          98          71         100          67
RH            97 93 82 72 67 79 87 90 93 93 85 74 69 87 97 97100 97 77 67 77 93
WIND DIR       N  E  E  E  E  E  S  S  S  S  S  S  S  S  N  N NW NW  E  E  E NE
WIND SPD       0  1  3  4  4  2  1  1  1  1  2  3  3  1  0  0  1  1  1  3  3  2
CLOUDS        B1 B2 B2 B1 B1 B1 B2 OV B1 B2 B1 B1 OV B1 SC SC SC B1 B1 OV OV B2
CLOUDS(%)     66 76 79 59 54 56 82 91 66 75 64 69 88 51 29 33 37 55 55 91 91 86
VSBY           6  5  7  9 10  8  7  7 10 10 10  6  6  7 10 10 10 10 10 10 10 10
POP 12HR                     20          20          50          10          90
RAIN SHWRS          IS IS IS    IS IS          SC SC             SC SC  O  O  O
TSTMS                                          SC SC                IS SC SC SC
Obvis         PF PF                                                            
MIX HGT       <1 <1  2  3  3 <1 <1 <1 <1 <1  2  3  2 <1 <1 <1 <1 <1  2  3  1 <1
T WIND DIR     N  N  N  E  E  E  E SE  S  S SW SW  S SW SW SW  W NW  W  W  W NW
T WIND SPD     5  4  4  9  8  6  5  3  1  4  5  4  5  4  4  3  2  3  4 10  6  1
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            3  4 12 22 19  3  3  2  1  4 13 15 16  2  2  2  1  4 13 34 12  1
MAX LVORI      8  6  4  3  3  5  6  7  8  6  4  3  3  6  8 10 10  9  4  3  4  8
STABILITY      F  C  C  D  D  F  F  F  F  C  C  C  C  F  G  G  G  B  C  C  C  F
CEILING               600  None   600  1500  1300  2500  None  None  3500  4500
STA PRES            28.19 28.17 28.20 28.16 28.16 28.10 28.09 28.07 28.07 28.02


Date          Tue 09/22/26Wed 09/23/26Thu 09/24/26Fri 09/25/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       63      72      59      64      57      69      55      71
TEMP          65 63 70 68 62 59 63 62 58 58 67 64 58 56 69 65
DEWPT         65 63 69 66 62 59 63 62 58 58 64 62 58 56 62 60
RH           100100 97 93100100100100100100 90 93100100 78 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B1 SC B1 B1 B1
POP 12HR           80      70      70      50      40      20      20      20
RAIN SHWRS     O SC SC NM NM SC SC SC SC SC IS IS IS       IS
TSTMS         SC    IS SC IS    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