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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Tue Sep 22 2026

VAZ018-230800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
231 AM EDT Tue Sep 22 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          70          57          61          52
TEMP                      67 66 70 70 68 63 60 60 58 57 59 61 61 56 55 55 54 52
DEWPT                     66 65 68 67 65 60 59 58 58 57 59 61 61 56 54 53 52 51
MIN/MAX RH                  100          87         100          94         100
RH                        97 97 93 90 90 90 96 93100100100100100100 96 93 93 96
WIND DIR                  SE SE  E  E  E  E  E NE NE NE NE  E  E NE  E NE NE NE
WIND SPD                   1  1  2  3  4  6  6  6  8  6  5  5  5  6  6  6  6  6
WIND GUST                             14 20 21 23 24 23 19 18 18 21 23 23 23 20
CLOUDS                    B2 OV OV OV OV OV OV OV OV B2 OV OV B2 B2 B2 B2 B2 B2
CLOUDS(%)                 84 88 88 90 90 96 96 95 88 86 91 88 83 85 85 83 78 82
VSBY                       1  0  3  3  2  3  2  4  5  4  3  6  6  6  6  6  6   
POP 12HR                     70          80          60          70          70
RAIN                                                  C  C  L  L  L  L  L  L  C
RAIN SHWRS                SC SC IS SC NM NM SC SC NM                           
TSTMS                     IS IS IS SC                                          
Obvis                     PF PF                PF PF PF PF                     
MIX HGT                   <1 <1  1  1  1  1  1  1  1  1  1  2  1  1  1  1  1  1
T WIND DIR                 E  E  E  E NE NE NE NE NE NE NE NE NE NE NE NE NE NE
T WIND SPD                 4  4  6  6 14 13 14 12 12 12 13 14 12 11 11 13 13 11
DISPERSION                VP             PR PR PR PR             PR PR PR PR   
ADI                        2  4  9 12 23  9 10  8 11 19 22 25 20  8  8  9  9 18
MAX LVORI                  8  9  6  5  4  5  6  6  7  5  5  5  5  8  8  6  6  5
STABILITY                  F  C  C  C  D  E  E  E  D  D  D  D  D  E  E  E  E  D
CEILING                       0   100   100   200   200   200   200   200   200
STA PRES                  27.82 27.86 27.90 27.95 27.97 28.03 28.03 28.03 28.01


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       62      47      71      47      71      48      72      50      75
TEMP          61 56 50 48 69 59 50 47 68 59 52 49 70 60 52 51 73 62
DEWPT         56 52 47 45 50 47 43 43 47 48 46 45 51 50 47 47 57 56
RH            84 86 89 89 51 64 77 86 47 67 80 86 51 69 83 86 57 81
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 SC FW FW FW FW FW FW FW FW FW FW FW SC SC SC SC
POP 12HR           30       0       0       0       0       0       0       0       0
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