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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Sat Jul 25 2026

VAZ018-260800-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
501 PM EDT Sat Jul 25 2026

Date           07/25/26      Sun 07/26/26            Mon 07/27/26            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                 62          83          64          86          67
TEMP             69 65 63 62 65 76 82 82 73 68 66 65 67 79 84 86 78 71 69 68 70
DEWPT            66 63 61 61 60 64 64 64 64 64 62 62 65 68 66 66 67 66 66 66 68
MIN/MAX RH                   97          53          94          51          97
RH               90 93 93 97 84 66 55 55 73 87 87 90 93 69 55 51 69 84 90 93 93
WIND DIR          S  N NW NW NW NW NW NW NW NW NW NW NW NW  W  W  W  W  W  W  W
WIND SPD          1  0  1  1  1  2  2  3  2  2  2  2  2  3  3  5  2  2  3  4  6
WIND GUST                                                                 18 20
CLOUDS           B1 SC SC SC B1 B1 SC SC SC SC SC B1 B1 SC SC SC B1 B1 B2 B2 B2
CLOUDS(%)        55 28 36 43 51 54 42 38 45 40 46 60 57 32 50 41 58 58 78 78 77
VSBY             10  9  4  3  2 10 10 10 10  8  4  5  5  9 10 10  7  7  6  6   
POP 12HR                      5          20          20           5          70
RAIN SHWRS                            IS IS IS                   SC SC NM NM NM
TSTMS                                 IS IS                      IS IS IS      
Obvis                        PF                                                
MIX HGT          <1 <1 <1 <1 <1  3  4  4 <1 <1 <1 <1 <1  3  5  5 <1            
T WIND DIR        W SW  W NW NW  N NW  W NW NW NW NW  N  N NW SW  E            
T WIND SPD        6  2  2  3  2  5  4  5  5  3  3  3  2  5  1  6  2            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  1  1  2  2 19 21 27  3  2  2  2  2 22  8 45  1            
MAX LVORI         6  7  7  8  5  3  2  2  3  6  6  7  6  3  3  1  3            
STABILITY         F  G  G  F  B  B  A  A  F  G  F  F  B  A  A  A  F            
CEILING              None  None  None  None  None  None  None  None   600      
STA PRES            27.78 27.75 27.75 27.69 27.70 27.69 27.71 27.67            


Date           07/28Wed 07/29/26Thu 07/30/26Fri 07/31/26Sat 08/01/26
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      65      83      61      83      62      85      64      85
TEMP          84 77 69 68 81 74 65 64 81 74 65 65 83 76 67 66 83 76
DEWPT         72 69 66 65 65 63 60 60 62 62 59 60 63 63 61 62 65 65
RH            67 76 90 90 58 69 84 87 53 66 81 84 51 64 81 87 55 69
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC SC SC FW FW FW SC FW FW SC SC SC SC B1 B1
POP 12HR           70      40      10       5      10       5      20      10      40
RAIN SHWRS    NM NM SC                               IS       IS SC
TSTMS         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