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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 PM EDT Sun Jun 21 2026

VAZ018-220800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
901 PM EDT Sun Jun 21 2026

Date           06/21/26      Mon 06/22/26            Tue 06/23/26            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                 66          89          65          81          59
TEMP                70 68 66 70 83 85 80 73 70 69 67 67 75 80 78 71 64 61 59 63
DEWPT               58 57 56 59 66 70 72 69 66 65 64 63 64 63 61 58 56 55 54 55
MIN/MAX RH                   71          54          91          55          83
RH                  66 68 70 68 57 61 77 87 87 87 90 87 69 56 56 63 75 81 83 75
WIND DIR             N  N SW SW SW SW SW  W  W  W NW NW NW NW NW NW NW NW NW NW
WIND SPD             0  0  1  2  6  8  6  4  3  4  4  6  8  8  8  6  3  2  2  1
WIND GUST                       21 21 19 19 17 18 20 24 21 20 21 23 13         
CLOUDS              SC B1 B1 SC B1 B1 B2 B1 B2 B1 FW SC SC SC FW FW FW FW FW FW
CLOUDS(%)           30 54 51 47 66 65 82 57 78 55 25 34 37 39 21 13 15 24 24 22
VSBY                10 10 10 10 10 10 10  5  8  8  8  7  7  8 10 10 10 10  6   
POP 12HR                      5          80          70          20           0
RAIN SHWRS                      IS SC NM SC NM       IS IS                     
TSTMS                           IS SC NM SC                                    
MIX HGT             <1 <1 <1  1  4  5  2 <1 <1 <1 <1  2  3  4  4  2            
T WIND DIR           E  E SE  S SW SW  W SW  W  W NW NW  N  N  N  N            
T WIND SPD           2  1  2  6 18 20 12 11  8 14 23 18 16 16 13 13            
DISPERSION          VP VP VP             VP VP VP VP             PR VP VP VP   
ADI                  1  1  1  9 70 87 34  8  4 10 10 46 60 81 70  6            
MAX LVORI            3  4  3  3  1  1  3  4  6  5  5  4  1  1  1  3            
STABILITY            G  F  F  A  C  C  C  E  F  E  F  B  B  B  B  F            
CEILING                    None  8200  2100  1900  None  None  None  None      
STA PRES                  27.73 27.71 27.70 27.71 27.76 27.84 27.86            


Date           06/24Thu 06/25/26Fri 06/26/26Sat 06/27/26Sun 06/28/26
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       86      62      86      65      86      65      85      67      90
TEMP          83 75 64 66 83 76 68 69 83 76 67 69 83 77 68 71 87 81
DEWPT         54 57 54 57 63 64 62 63 66 65 61 62 64 64 62 63 65 66
RH            37 54 70 73 51 66 81 81 57 69 81 78 53 64 81 76 48 60
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC SC B1 B1 SC B1 B1 SC B1 SC B1 SC B1 SC B1
POP 12HR            0       0      50      30      50      20      30      20      30
RAIN SHWRS                IS SC SC    SC SC IS IS SC SC IS IS IS SC
TSTMS                        SC IS    IS SC          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