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

VAZ018-212000-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
301 AM EDT Mon Sep 21 2026

Date             Mon 09/21/26            Tue 09/22/26            Wed 09/23/26
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          64          74          57          62
TEMP          68 69 76 80 80 75 71 68 67 65 70 72 69 64 62 61 59 57 60 61 61 56
DEWPT         63 64 67 67 69 68 66 66 65 65 69 70 69 64 61 60 58 57 60 61 61 56
MAX/MIN RH                   67         100          90         100          96
RH            84 84 74 65 69 79 84 93 93100 97 93100100 97 97 96100100100100100
WIND DIR       W NW  S  S  S SE SE  E  E  E  E  E  E  E  E  E NE NE  E  E NE NE
WIND SPD       2  1  3  3  2  3  4  2  2  2  2  3  3  6  6  6  8  8  6  5  5  6
WIND GUST                                            19 21 23 25 25 19 18 18 21
CLOUDS        B1 B2 B2 B2 OV OV OV OV OV OV OV OV OV OV OV B2 B2 OV OV B2 B2 B2
CLOUDS(%)     67 83 81 82 92 88 95 95 91 91 92 89 91 94 94 83 78 90 90 86 84 85
VSBY           1  1  9  8  8  7  3  2  2  2  2  3  3  6  6  6  6  6  6  6  6 10
POP 12HR                     60          80          90          90          80
RAIN                                                  D  D  L  L  D  D  D  D  D
RAIN SHWRS       SC SC SC NM  O  O NM SC SC SC NM  O                           
TSTMS               IS SC SC SC IS             SC IS                           
Obvis         PF PF                                                            
MIX HGT       <1 <1  2  2  1 <1 <1 <1 <1 <1  1  2  1  1  1  1  1  1  2  2  2  2
T WIND DIR    NW NE  E SE  E  E SE  E  E  E NE NE NE NE NE NE NE NE NE NE NE NE
T WIND SPD     2  1  5  6  4  5  6  6  6  5  8  9 12 10 12 13 12 12 13 12 11 14
DISPERSION    VP             VP VP VP VP             PR PR PR PR             PR
ADI            1  1 13 19  8  3  5  3  3  4 12 20 21  7  8  9 14 20 23 22 21 10
MAX LVORI      5  6  4  3  3  5  5  6  6  9  6  5  5  8  8  6  5  5  5  5  5  7
STABILITY      F  C  C  C  C  F  E  F  F  C  C  C  C  E  E  E  D  D  D  D  D  E
CEILING               300   700   300     0   100   100   100   100   200   200
STA PRES            27.82 27.79 27.82 27.83 27.88 27.89 27.93 27.95 28.01 28.01


Date          Thu 09/24/26Fri 09/25/26Sat 09/26/26Sun 09/27/26
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       53      62      50      69      48      70      49      71
TEMP          56 53 60 54 52 51 67 58 51 49 67 58 52 50 69 59
DEWPT         54 52 59 53 49 48 52 49 45 44 50 49 47 47 54 52
RH            93 96 96 96 89 89 59 72 80 83 54 72 83 89 59 78
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 B1 SC SC SC FW FW FW FW SC SC SC
POP 12HR           80      30      10      10      10       0       0       0
RAIN           D  C  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