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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 AM EDT Fri Jul 25 2025

VAZ012-252000-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
802 AM EDT Fri Jul 25 2025

Date             Fri 07/25/25            Sat 07/26/25            Sun 07/27/25
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 87          66          88          66          88
TEMP                78 83 84 79 72 70 67 70 83 84 84 76 71 69 67 70 82 85 84 75
DEWPT               67 66 66 68 67 66 65 68 71 69 69 71 70 68 67 69 72 72 72 71
MAX/MIN RH                   49          97          64         100          65
RH                  69 57 55 69 84 87 93 93 67 61 61 85 97 97100 97 72 65 67 87
WIND DIR             W  W  W NW  W  W  W  W  W  W  W  W  W  W  W  W  W NW  W NW
WIND SPD             2  2  2  1  1  2  2  2  2  2  2  1  1  2  2  2  2  2  2  2
CLOUDS              FW SC SC SC SC FW FW SC SC B1 B1 SC SC SC SC B1 B1 B1 SC SC
CLOUDS(%)           17 38 31 35 28  6 15 33 43 69 69 42 38 43 36 53 53 54 42 42
VSBY                10 10 10 10 10  7  7 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     10           5          50          20          60
RAIN SHWRS                               IS IS SC SC IS IS       SC SC NM NM IS
TSTMS                                    IS IS SC SC IS IS       SC SC NM NM IS
MIX HGT              4  6  5 <1 <1 <1 <1 <1  3  5  3 <1 <1 <1 <1 <1  4  4  3 <1
T WIND DIR           W  W NW  S  W  W  W  W  W SW  W NW SW  W  W NW NW NW  W  W
T WIND SPD           8  4  4  1  1  2  3  2  5  5  8  2  3  5  5 13 16 14 12  9
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 42 33 28  1  1  1  2  2 24 33 33  1  2  3  3 14 69 73 49  4
MAX LVORI            1  1  2  4  6  6  7  6  3  1  1  5  8  8  9  5  3  1  1  5
STABILITY            A  A  A  G  G  G  G  A  A  B  B  F  G  F  G  B  B  B  A  F
CEILING              None  None  None  None  None  3100  None  None  None  None
STA PRES            27.41 27.35 27.36 27.37 27.38 27.34 27.35 27.35 27.39 27.37


Date          Mon 07/28/25Tue 07/29/25Wed 07/30/25Thu 07/31/25
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       67      90      67      92      65      93      65      87
TEMP          69 71 86 77 70 70 88 79 69 69 89 77 68 68 83 72
DEWPT         69 70 71 70 68 69 69 69 67 68 67 68 65 65 68 67
RH           100 97 61 79 93 97 54 72 93 97 48 74 90 90 61 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC FW FW FW FW FW FW FW SC SC B1 B1
POP 12HR           20      50      20      20      10      20      30      50
RAIN SHWRS    IS    IS SC IS       IS          IS SC    SC SC
TSTMS         IS    IS SC IS       IS          IS SC    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