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

VAZ020-270800-
RAWS 441801
37.99N  79.76W Elev. 2160 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                 69          91          70          92          71
TEMP                   71 69 73 82 87 87 83 76 74 71 74 85 88 88 78 74 73 71 75
DEWPT                  67 67 69 70 69 70 73 70 70 69 71 72 72 71 71 70 70 69 72
MIN/MAX RH                   92          51         100          60          93
RH                     87 93 87 67 55 57 72 82 87 93 90 65 59 57 79 87 90 93 90
WIND DIR               NW NW NW  W  S SW NE  W  W  W  W  W  W  W  W NW NW NW NW
WIND SPD                2  2  2  1  1  2  1  2  2  2  2  2  2  2  2  2  2  2  2
CLOUDS                 FW SC SC FW SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
CLOUDS(%)              10 27 39 22 42 43 43 46 34 36 50 31 42 27 49 43 35 38 40
VSBY                    8  6 10 10 10 10 10  5  2  4 10  4 10 10 10  3 10  1  8
POP 12HR                     10          50          20          50          20
RAIN SHWRS                         SC SC IS          IS IS SC SC IS IS         
TSTMS                              SC SC                   SC SC IS IS         
Obvis                     PF                                                   
MIX HGT                <1 <1 <1  4  5  3 <1 <1 <1 <1 <1  3  5  3 <1 <1 <1 <1 <1
T WIND DIR             NW NW NW  N SW SW  S NW NW NW NW  W  W NW NW NW NW NW NW
T WIND SPD              3  3  3  2  2  3  1  2  2  2  2 10 12 12 10  3  3  4  2
DISPERSION             VP VP             VP VP VP VP             VP VP VP VP   
ADI                     2  2  3 12 15 14  1  1  1  1  2 45 76 45  5  2  2  2  2
MAX LVORI               7  7  6  3  2  2  4  5  6  7  6  1  1  1  4  6  6  6  6
STABILITY               G  G  A  A  A  A  F  F  G  G  A  A  A  A  F  F  G  G  A
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  27.95 27.96 27.91 27.92 27.93 27.95 27.92 27.94 27.94


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       92      70      95      70      95      71      90      66      81
TEMP          89 79 73 74 92 81 74 75 93 80 74 74 86 73 69 67 78 68
DEWPT         73 71 69 70 70 69 68 69 69 67 67 69 72 68 66 64 63 60
RH            59 77 87 87 49 67 82 82 46 65 79 84 63 84 90 90 60 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC FW FW FW FW FW SC SC B1 B1 B2 B2 B1 B1
POP 12HR           50      10      30       5      20      30      70      50      50
RAIN SHWRS       SC          SC          IS SC IS SC NM SC IS SC SC
TSTMS            SC          SC          IS SC    SC SC 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