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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sun Jul 19 2026

VAZ018-200800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
801 PM EDT Sun Jul 19 2026

Date           07/19/26      Mon 07/20/26            Tue 07/21/26            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          81          68          88          69
TEMP                71 68 66 68 75 78 79 76 71 70 70 71 81 86 84 76 73 72 71 69
DEWPT               65 65 64 65 67 68 69 69 68 68 68 69 73 72 73 70 69 69 68 69
MIN/MAX RH                   96          66          96          64          97
RH                  81 90 93 90 76 71 72 79 90 93 93 93 77 63 70 82 87 90 90100
WIND DIR             N NE NE  E SE SE SE SE SE SW SW SW SW SW  W SW SW  W  W  W
WIND SPD             4  1  1  1  2  3  4  3  2  1  1  3  5  6  8  6  8  6  8  8
WIND GUST                                13             19 20 21 23 26 27 26 27
CLOUDS              FW SC B1 B2 B1 SC B1 B2 B1 B1 B1 B1 B1 B2 B2 OV OV OV OV B2
CLOUDS(%)           16 34 60 71 51 49 62 75 67 64 61 59 59 84 84 94 94 92 92 71
VSBY                10  7  3  5 10  9 10  8  6  4  5 10 10 10 10 10            
POP 12HR                     10          30          50          80          90
RAIN SHWRS                         IS SC SC SC    SC SC SC  O  O  O  O  O  O SC
TSTMS                                 IS SC IS          SC SC SC SC SC IS      
Obvis                     PF PF                                                
MIX HGT             <1 <1 <1  1  3  4  3 <1 <1 <1 <1 <1  3  4  2  1            
T WIND DIR          NW NW NW NW SW SW  S SE  E SE SW SW  W SW SW  S            
T WIND SPD           5  3  2  1  3  5  4  5  3  3  4 11 20 19  9  4            
DISPERSION          VP VP VP             VP VP VP VP             PR PR PR PR   
ADI                  3  2  1  2 11 26 14  3  2  2  2 12 70 70 22  3            
MAX LVORI            5  7  8  7  4  3  3  4  7  7  7  5  3  1  3  5            
STABILITY            G  F  F  B  B  A  C  F  F  F  F  B  C  C  C  E            
CEILING              None 14900  None  2600  1000   700  1600  1600  2200      
STA PRES            27.75 27.77 27.79 27.76 27.76 27.71 27.73 27.69            


Date           07/22Thu 07/23/26Fri 07/24/26Sat 07/25/26Sun 07/26/26
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       84      61      78      61      79      64      80      64      84
TEMP          83 74 65 62 76 70 62 63 77 71 65 65 78 72 66 66 81 75
DEWPT         69 65 60 59 61 61 57 58 63 63 59 61 66 66 63 64 67 68
RH            63 74 84 90 60 73 84 84 62 76 81 87 67 81 90 93 63 79
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC FW SC FW FW SC B1 B1 B1 B1 B1 B1 B1 SC SC B1
POP 12HR           50      10      10      20      20      30      40      20      30
RAIN SHWRS    SC SC             IS       IS SC IS IS SC IS IS IS SC
TSTMS         IS SC                      IS          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