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

NCZ003-252000-
RAWS 310302
36.35N  80.48W Elev. 1076 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                 90          72          92          74          93
TEMP                82 87 88 83 78 76 74 76 86 90 88 84 78 76 74 76 85 90 88 83
DEWPT               70 69 68 72 70 69 68 70 73 70 70 75 73 72 71 72 74 74 74 75
MAX/MIN RH                   48          87          56          89          59
RH                  67 55 52 70 76 79 82 82 65 52 55 74 85 87 90 87 70 60 63 77
WIND DIR             W SW SW  W  W  W NW NW  N  W NW NW NW  N NW NW NW  W NW NW
WIND SPD             2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  3  3  2
CLOUDS              FW FW FW FW FW FW CL CL FW B1 B1 SC SC SC FW FW SC SC SC SC
CLOUDS(%)           11  7 14 15 14  7  2  0 10 52 52 26 28 33 16 25 35 26 38 37
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     10           5          30          10          40
RAIN SHWRS                                     SC SC                   SC SC   
TSTMS                                          SC SC                   SC SC   
MIX HGT              3  6  5 <1 <1 <1 <1 <1  5  7  4 <1 <1 <1 <1 <1  4  7  4 <1
T WIND DIR           W SW SW  W NW  W  W  N NE  S SW  W NW NW NW NW NW NW NW NW
T WIND SPD           8  4  4  5  2  2  1  2  4  2  4  3  2  1  3  8 13  8 12 12
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                 26 32 30  3  1  1  1  2 26 17 23  2  1  1  2  8 75 69 66  6
MAX LVORI            3  1  1  3  4  5  6  5  3  2  2  3  5  6  7  5  1  1  1  4
STABILITY            A  A  A  G  G  G  G  A  A  B  B  G  G  G  G  A  A  A  A  G
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            29.07 28.98 28.99 29.00 29.02 28.97 28.99 28.99 29.01 28.98


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       74      93      73      94      73      95      72      88
TEMP          76 77 91 84 76 76 91 86 75 76 92 84 75 73 86 78
DEWPT         72 73 75 75 71 72 73 73 70 71 72 72 70 70 71 72
RH            87 87 60 74 85 87 56 65 84 85 52 67 84 90 61 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW SC SC FW FW FW FW FW FW FW SC SC SC B1
POP 12HR           10      40      20      20      20      20      30      50
RAIN SHWRS             SC IS       IS IS       IS SC    IS SC
TSTMS                  SC IS       IS IS       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