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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
132 AM EDT Sat Jul 26 2025

VAZ046-270800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
132 AM EDT Sat Jul 26 2025

Date           07/25/25      Sat 07/26/25            Sun 07/27/25            Mon
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                 72          95          73          95          75
TEMP                   75 73 76 86 92 92 87 80 77 75 77 89 94 93 85 78 77 75 78
DEWPT                  72 71 72 73 73 72 73 74 74 73 75 75 75 75 77 75 74 73 75
MIN/MAX RH                   95          48         100          57          95
RH                     90 93 87 65 54 52 63 82 90 94 94 64 54 56 77 91 90 94 91
WIND DIR               NW  N  N NE SE  E NE NW  N NW  W  W  W  W  W NW NW NW NW
WIND SPD                3  2  3  3  2  3  2  2  2  2  2  4  5  5  3  3  3  3  3
CLOUDS                 FW FW FW FW FW SC B1 SC SC SC FW FW FW SC SC SC SC FW FW
CLOUDS(%)              21 21 15  9 21 38 53 47 33 34 14 13 18 35 39 30 26 24 17
VSBY                   10  9 10 10 10 10 10  8  7  3 10 10 10 10 10 10 10  7 10
POP 12HR                     20          20          20          30          10
RAIN SHWRS                               IS IS             SC SC               
TSTMS                                    IS IS             SC SC               
MIX HGT                <1 <1 <1  3  6  6 <1 <1 <1 <1 <1  4  6  4 <1 <1 <1 <1 <1
T WIND DIR             SE  W  N NE  N SW  E  E  S SE  S  W  W  W NW NE NE  N  N
T WIND SPD              1  2  1  4  0  1  1  1  5  2  5  6  8 12  2  2  1  2  2
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     1  1  1 19  0  9  1  1  3  1  6 32 63 58  1  1  1  1  2
MAX LVORI               7  8  6  3  2  2  4  6  6  8  6  3  1  1  4  7  7  7  6
STABILITY               G  G  A  A  A  A  F  F  G  G  A  A  A  A  G  G  G  G  A
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.35 29.37 29.31 29.33 29.34 29.35 29.30 29.33 29.34


Date           07/28Tue 07/29/25Wed 07/30/25Thu 07/31/25Fri 08/01/25
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       94      73      95      73      96      74      92      69      82
TEMP          92 84 76 77 94 85 76 78 94 85 77 77 90 77 71 70 79 72
DEWPT         77 77 75 75 75 75 72 74 74 73 71 72 75 74 70 68 68 66
RH            62 80 97 94 54 72 87 88 53 67 82 85 62 90 97 93 69 81
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC FW FW SC FW FW FW FW SC SC SC B1 B2 B1 B1 SC
POP 12HR           30      20      20      10      20      20      70      60      50
RAIN SHWRS       SC IS       IS          IS IS    IS NM NM SC SC SC
TSTMS            SC IS       IS          IS IS    IS SC NM    SC 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