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 AM EDT Wed May 6 2026

VAZ012-062000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
801 AM EDT Wed May 6 2026

Date             Wed 05/06/26            Thu 05/07/26            Fri 05/08/26
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                 69          51          58          36          67
TEMP                61 66 67 63 58 55 52 52 53 55 56 52 47 41 37 41 55 63 66 59
DEWPT               56 58 57 56 54 52 50 50 49 47 44 41 38 36 33 35 33 33 34 37
MAX/MIN RH                   63          96          62          86          30
RH                  84 75 70 78 86 90 93 93 86 74 64 66 71 82 85 79 43 32 30 44
WIND DIR            SW  W  W  W  W  W NW NW NW NW NW NW NW NW NW  W  W SW SW SW
WIND SPD            10 11  9  5  4  1  1  4  4  4  6  5  2  1  1  1  1  2  3  2
WIND GUST           23 23 19                                                   
CLOUDS              OV OV OV OV OV OV OV OV B2 B2 B1 SC SC FW FW FW CL FW FW FW
CLOUDS(%)          100100 90 98 95 96 95 88 71 78 59 30 31 19 14  8  4 13 11 18
VSBY                 6  7  6  3  4  5  4  5  6  6  6  7  7 10 10 10 10 10 10 10
POP 12HR                     80         100          40           0           0
RAIN SHWRS          NM SC EC  O NM  O IS IS                                    
TSTMS                  SC SC                                                   
Obvis                           PF PF PF PF                                    
MIX HGT              3  3  3 <1 <1  1 <1  1  2  2  4 <1 <1 <1 <1  1  4  6  7 <1
T WIND DIR          SW  W  W SW SW NW NW NW  N NW NW NW NW NW  W NW  W  W SW  S
T WIND SPD          21 24 24  6  4  3  3  8  9 10 16 11 18  6  4  6 11 11 12  8
DISPERSION                   PR VP VP VP             PR VP VP VP             VP
ADI                 48 57 54  6  4  3  3 13 19 28 59  5  8  3  2 11 62 90101  4
MAX LVORI            4  3  3  4  5  6  6  5  4  3  1  3  3  5  6  4  1  1  1  2
STABILITY            D  D  D  D  D  D  D  C  C  C  C  F  G  G  G  A  A  A  A  G
CEILING              1300  1200   700   700   700  None  None  None  None  None
STA PRES            27.09 27.12 27.12 27.09 27.10 27.09 27.16 27.20 27.22 27.13


Date          Sat 05/09/26Sun 05/10/26Mon 05/11/26Tue 05/12/26
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       43      72      49      74      50      63      39      64
TEMP          46 48 67 64 51 53 70 67 56 52 60 57 42 43 61 59
DEWPT         39 43 46 48 47 48 51 54 52 47 43 38 36 35 36 38
RH            76 83 47 56 86 83 51 63 86 83 53 49 79 73 39 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC FW SC SC B1 B2 B2 B1 B1 SC SC FW SC
POP 12HR            5      10       5      50      70      40       5       5
RAIN SHWRS                      IS SC NM NM SC IS            
TSTMS                              SC 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