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

VAZ012-192000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 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          61          82          60          83
TEMP                74 79 80 73 68 66 64 64 74 79 80 70 65 63 61 62 75 81 76 67
DEWPT               67 66 65 65 64 64 63 64 68 68 68 67 65 63 61 62 68 67 68 66
MAX/MIN RH                   61         100          66         100          63
RH                  79 64 60 76 87 93 97100 82 69 67 90100100100100 79 63 76 97
WIND DIR             E SE SE SE SE SE  S  S SW  W SW SW SW  W  W  W  W  W SE  E
WIND SPD             2  2  3  3  3  4  3  3  3  3  2  2  1  1  1  1  1  1  1  1
CLOUDS              B2 B1 SC B1 B2 B2 B1 SC SC B1 B1 B1 SC SC SC B1 B1 OV OV B2
CLOUDS(%)           75 66 46 68 80 79 68 42 37 68 61 68 33 30 33 57 57 93 93 75
VSBY                 9  9  9  8  8  5  6  5  7  3  3  7 10 10 10 10 10 10 10 10
POP 12HR                     20          20          50          20          90
RAIN SHWRS             IS IS    IS             SC SC IS IS       SC SC  O  O NM
TSTMS                                          SC SC IS             IS SC SC IS
Obvis                              PF PF                                       
MIX HGT              2  4  4 <1 <1 <1 <1 <1  3  5  2 <1 <1 <1 <1 <1  2  4  1 <1
T WIND DIR           E SE SE SE  S  S  S SW  W NW SW  S SW SW SW  W  W  W  W  W
T WIND SPD           5  3  3  8  9 10 10  8  8  8  5  4  5  4  5  6 13 17 12  4
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 13 12 15  4  4  7  5  8 26 33 15  2  3  2  3  5 31 63 22  2
MAX LVORI            4  3  2  4  5  6  7  8  3  3  3  6  9  9  9  9  3  1  3  8
STABILITY            C  C  B  F  F  E  F  B  B  C  C  F  G  G  G  C  C  C  C  F
CEILING               200  None   500   100  None  2500  None  None  1800  2400
STA PRES            27.34 27.30 27.33 27.29 27.29 27.24 27.24 27.22 27.22 27.20


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       57      72      52      64      50      68      49      69
TEMP          61 58 70 63 57 54 60 57 53 53 63 59 53 51 64 58
DEWPT         61 58 66 62 57 54 60 57 53 53 61 58 53 51 58 56
RH           100100 87 97100100100100100100 93 96100100 81 93
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1
POP 12HR           60      80      70      50      40      30      20      30
RAIN SHWRS    NM IS NM  O NM SC SC SC SC SC SC SC IS IS IS SC
TSTMS         IS    IS SC 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