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

VAZ018-192000-
RAWS 444002
37.56N  80.18W Elev. 2702 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                 78          66          83          65          80
TEMP          67 68 73 76 77 73 70 68 67 68 76 81 82 71 69 68 66 66 75 79 74 66
DEWPT         65 65 66 66 65 65 65 64 64 64 68 68 68 68 66 65 65 65 70 70 69 65
MAX/MIN RH                   68          92          64          98          75
RH            93 90 79 71 67 76 84 87 90 87 76 65 63 90 90 90 97 97 84 74 84 97
WIND DIR       E  E  E SE SE SE SE SE SE  S SW SW SW SW  W  W NW NW  E SE  E  E
WIND SPD       1  3  3  3  4  3  3  3  3  3  3  4  3  3  2  2  2  2  2  3  3  3
CLOUDS        B2 B2 B1 B1 SC B1 B1 B2 B2 B2 B1 B1 B1 B1 SC SC SC B1 B1 OV OV B2
CLOUDS(%)     76 86 68 59 35 51 69 78 73 84 67 63 69 56 34 38 39 68 68 92 92 78
VSBY           2  2  8  9  9  8  6  4 10 10 10  3  3  7 10 10 10 10 10 10 10 10
POP 12HR                     20          10          40          10          90
RAIN SHWRS       IS                            SC SC             SC SC  O  O NM
TSTMS                                          IS SC                   SC SC IS
Obvis         PF PF                                                            
MIX HGT       <1 <1  2  3  3 <1 <1 <1 <1 <1  2  4  2 <1 <1 <1 <1 <1  2  2  2 <1
T WIND DIR    NE  E  E  E  E SE SE  S  S  S  W  W  W SW SW SW SW  W  W  W  W NW
T WIND SPD     3  9  6  4  4  6  4  3  4  3  9 12 12  2  8  3  3  4 17 17 16  8
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            2  8 15 15 17  3  2  2  2  3 26 37 32  1  4  2  2  4 43 44 36  4
MAX LVORI      7  5  4  3  3  4  5  6  6  6  3  3  1  7  6  7  7  8  4  3  4  8
STABILITY      F  C  C  C  B  F  F  F  F  C  C  D  C  F  G  G  G  C  B  C  C  F
CEILING               100  None   400     0  None  4900  None  None  5700  2600
STA PRES            27.90 27.86 27.87 27.82 27.82 27.75 27.74 27.72 27.73 27.71


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       61      68      56      61      55      65      54      69
TEMP          64 61 67 62 59 56 60 56 56 56 64 59 56 54 67 60
DEWPT         61 61 66 61 58 55 60 56 55 54 62 57 54 53 60 55
RH            90100 97 97 96 96100100 96 93 93 93 93 96 78 84
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           70      70      70      60      50      40      20      20
RAIN SHWRS    NM SC SC NM NM NM NM SC SC SC SC IS IS IS IS IS
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