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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Jul 22 2026

VAZ024-230800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
801 PM EDT Wed Jul 22 2026

Date           07/22/26      Thu 07/23/26            Fri 07/24/26            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                 63          78          59          80          61
TEMP                71 68 65 66 72 75 75 73 65 62 60 62 73 78 79 74 67 64 62 64
DEWPT               68 66 62 59 59 60 60 62 61 60 58 59 62 62 62 62 63 62 61 63
MIN/MAX RH                   93          56          95          56          99
RH                  90 93 90 78 64 60 60 68 87 93 93 90 68 58 56 66 87 93 97 97
WIND DIR            NW  N  N  N NE NE  E SE  N  N  N  N  E  E  E  E  N  N  N  N
WIND SPD             1  2  3  3  2  2  3  2  0  0  0  0  2  3  3  1  0  0  0  0
WIND GUST                 13 13                                                
CLOUDS              B1 B1 B1 B2 B1 B2 SC FW FW FW SC B1 B2 B2 B2 B2 B2 B2 B2 B1
CLOUDS(%)           69 58 67 72 59 72 27 19 22 14 50 60 75 84 79 74 85 77 73 69
VSBY                 9  8  2 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10   
POP 12HR                     30          10           5           5          30
RAIN SHWRS             IS IS                                     IS IS SC SC SC
TSTMS                                                                          
Obvis                     PF                                                   
MIX HGT             <1 <1 <1  1  3  4  4 <1 <1 <1 <1 <1  3  4  3 <1            
T WIND DIR           W NE NE NE NE  E SE SE  N  N  N  N  E  E SE SE            
T WIND SPD           1  4 12 13 11  5  3  4  1  3  3  2  9  6  4  6            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  2  6 25 37 26 16  2  1  2  2  2 31 30 18  3            
MAX LVORI            7  6  6  3  1  2  2  3  6  7  7  6  3  1  2  3            
STABILITY            F  F  F  B  B  B  A  G  G  G  F  B  B  B  B  F            
CEILING              1100  4100  3700  None  None  None  5400  3900  3400      
STA PRES            28.46 28.52 28.61 28.60 28.64 28.65 28.67 28.61            


Date           07/25Sun 07/26/26Mon 07/27/26Tue 07/28/26Wed 07/29/26
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       80      62      87      64      91      65      91      65      89
TEMP          77 74 66 65 84 79 68 67 88 82 69 69 88 82 69 68 88 80
DEWPT         65 65 64 65 68 70 67 67 68 69 67 68 69 69 66 66 66 66
RH            67 74 93100 59 74 97100 52 65 93 97 54 65 90 93 48 62
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 B1 SC SC B1 SC SC SC SC B1 B1 SC B1 SC SC SC SC
POP 12HR           30      30      30      20      30      30      40      30      20
RAIN SHWRS    SC IS SC IS    SC IS       SC SC SC IS SC SC IS    IS
TSTMS            IS          SC IS       SC IS       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