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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Sat Jun 20 2026

VAZ024-210800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
501 PM EDT Sat Jun 20 2026

Date           06/20/26      Sun 06/21/26            Mon 06/22/26            Tue
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                 61          89          64          93          66
TEMP             77 68 64 62 66 79 86 88 81 70 66 64 69 86 92 88 80 72 69 67 69
DEWPT            53 55 55 55 59 60 58 58 60 58 56 56 60 66 69 72 71 69 67 65 66
MIN/MAX RH                   82          37          76          47          97
RH               43 63 73 78 78 52 39 36 49 66 70 75 73 51 47 59 74 90 93 93 90
WIND DIR         NW  W  N  N  W  W  W  W  N  E  E  E  S SW SW  W SW SW  W  W  W
WIND SPD          4  2  0  0  1  4  6  5  2  2  1  2  1  8  9  6  4  3  2  3  4
WIND GUST                                               19 21 19 17 13         
CLOUDS           FW CL CL FW FW FW SC FW SC SC SC B1 B1 SC OV OV B1 B1 B1 B1 SC
CLOUDS(%)         6  5  5  9 21 20 26 12 34 46 37 51 64 48100100 69 69 52 54 39
VSBY             10 10 10 10 10 10 10 10 10 10 10 10  7  7  6  6  6            
POP 12HR                      0           0          10          90          50
RAIN SHWRS                                           IS IS  O  O SC SC       IS
TSTMS                                                   IS SC SC IS            
MIX HGT          <1 <1 <1 <1  1  5  7  7 <1 <1 <1 <1 <1  4  6  3  1            
T WIND DIR        W NW NW NW NW  W  W  W  N  E  E NE  S SW SW SW  W            
T WIND SPD        5  3  3  3  2 13 14 12  3  3  3  2  2 19 19 21 10            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  2  2  2  3 86111107  2  2  2  1  2 92 63 51  7            
MAX LVORI         2  3  3  5  4  1  1  1  2  3  3  4  3  1  1  1  4            
STABILITY         F  G  G  G  A  A  B  A  G  F  G  F  A  B  D  D  E            
CEILING              None  None  None  None  None  None  None  4100  4900      
STA PRES            28.44 28.45 28.47 28.45 28.47 28.47 28.45 28.39            


Date           06/23Wed 06/24/26Thu 06/25/26Fri 06/26/26Sat 06/27/26
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       88      60      88      62      89      62      89      62      91
TEMP          86 80 64 65 85 81 66 67 86 81 67 67 87 82 67 67 89 83
DEWPT         63 61 59 58 58 61 60 61 63 65 63 63 62 63 61 61 61 63
RH            46 52 84 78 40 51 81 81 46 58 87 87 43 53 81 81 39 51
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW SC FW FW FW SC B1 B1 B1 SC SC B1 SC SC SC SC
POP 12HR           20       5       5      20      40      30      30      20      20
RAIN SHWRS    IS IS             IS IS SC SC SC    IS SC IS       IS
TSTMS                           IS IS IS SC IS       SC          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