National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Mon Jul 13 2026

VAZ018-140800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
131 AM EDT Mon Jul 13 2026

Date           07/12/26      Mon 07/13/26            Tue 07/14/26            Wed
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                 64          77          62          86          64
TEMP                   68 67 66 69 74 76 70 66 65 63 65 77 84 85 75 68 65 64 67
DEWPT                  66 66 65 68 68 66 65 62 61 60 63 65 64 64 66 61 60 59 62
MIN/MAX RH                  100          71          92          48          86
RH                     93 97 97 97 82 71 84 87 87 90 93 67 51 50 74 78 84 84 84
WIND DIR                E  E  E  E  E  E  E  E  N  N  N  E  E SE  S  W  W  W NW
WIND SPD                2  3  4  4  5  5  2  1  0  0  1  2  3  3  1  2  2  2  2
WIND GUST              12 14 16 14                                             
CLOUDS                 OV OV OV OV B2 B1 B1 B1 SC SC SC FW FW CL FW CL CL CL CL
CLOUDS(%)              91100100100 87 55 69 64 37 47 39 25 16  3 10  2  0  4  5
VSBY                    2  2  2  4  8 10 10  8  5  2  4 10  7  7  7  7  7  7  7
POP 12HR                     80          70           5           0           0
RAIN SHWRS              O NM SC SC IS                                          
TSTMS                                                                          
MIX HGT                <1 <1  1  1  2  3 <1 <1 <1 <1 <1  2  4  4 <1            
T WIND DIR              E  E  E  E  E  E  E  N  N  N NW  E  E  E  S            
T WIND SPD              5  8 11 18 16 11  4  2  2  2  1  9  8  4  2            
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     3  4 16 35 49 38  2  1  1  1  1 28 37 22  1            
MAX LVORI               6  8  5  4  4  4  6  6  7  7  7  3  1  2  3            
STABILITY               F  F  C  C  B  A  F  F  F  F  A  A  A  A  G            
CEILING                     100   200 16900  None  None  None  None  None      
STA PRES                  27.93 27.98 27.97 27.98 27.98  28.0 27.94            


Date           07/15Thu 07/16/26Fri 07/17/26Sat 07/18/26Sun 07/19/26
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       95      68      95      70      94      69      93      69      90
TEMP          92 83 71 72 92 84 72 73 92 83 72 73 92 78 72 72 88 77
DEWPT         67 68 65 67 68 68 65 66 65 66 65 66 68 68 66 67 68 67
RH            44 61 81 84 46 59 79 79 41 57 79 79 46 71 81 84 52 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL FW FW FW FW FW FW FW FW FW FW SC B1 B1 SC SC B1
POP 12HR            0       0       0       0      10       5      30      30      40
RAIN SHWRS                                           SC SC       SC
TSTMS                                                SC 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