National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Oct 1 2025

VAZ020-020800-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
801 PM EDT Wed Oct 1 2025

Date           10/01/25      Thu 10/02/25            Fri 10/03/25            Sat
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                 46          70          45          70          45
TEMP                56 52 48 47 62 68 68 59 55 51 49 47 59 67 68 59 54 51 49 47
DEWPT               47 46 44 44 45 46 47 46 46 46 46 46 48 48 47 46 46 47 44 45
MIN/MAX RH                   88          43          96          46          91
RH                  72 80 86 89 54 45 47 62 72 83 89 96 67 50 47 62 74 86 83 93
WIND DIR            NE NE  N  N  E SE SE SE SE  S  S  S  S  S  S  S SW  W  W NW
WIND SPD             3  3  2  2  2  2  2  2  2  2  2  2  2  2  3  2  2  2  2  2
CLOUDS              CL FW FW FW FW SC FW SC SC SC SC SC FW FW FW FW CL CL FW FW
CLOUDS(%)            4  7  8 15 12 26 24 26 28 29 29 29 25 20 14  8  4  0  7 14
VSBY                10 10  8 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT             <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  2  3  2 <1            
T WIND DIR          NE NE  N  N SE  E  E SE SE SE  S SW  S  S  S  S            
T WIND SPD           4  3  3  2  8  6  6  8  6  2  1  1  3  2  2  2            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  2  2 24 27 28  4  3  1  1  1  9  8  7  1            
MAX LVORI            3  5  6  6  2  2  2  3  3  5  6  8  3  2  2  3            
STABILITY            G  G  G  B  B  B  B  G  G  G  G  B  B  B  B  G            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            28.08 28.13 28.21 28.18 28.21 28.19 28.19 28.11            


Date           10/04Sun 10/05/25Mon 10/06/25Tue 10/07/25Wed 10/08/25
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       73      49      73      54      77      57      77      58      74
TEMP          69 63 55 51 70 65 59 56 74 68 62 58 75 69 63 59 72 63
DEWPT         49 48 47 49 55 54 54 55 59 58 57 57 62 59 59 58 60 54
RH            49 58 74 93 59 68 83 96 59 70 84 96 64 70 87 96 66 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW SC FW SC B1 B1 SC SC B1 B1 B1 B1 B1 B1 B1
POP 12HR            0       0       0       0       5      10      30      20      30
RAIN SHWRS                                           SC IS IS IS SC

$$


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