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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1001 AM EDT Tue May 12 2026

VAZ024-122000-
RAWS 441631
37.63N  79.51W Elev. 865 ft
1001 AM EDT Tue May 12 2026

Date             Tue 05/12/26            Wed 05/13/26            Thu 05/14/26
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                 75          50          75          46          66
TEMP                64 72 74 67 58 54 51 54 69 74 71 65 58 52 47 49 59 64 66 60
DEWPT               48 45 46 48 45 43 42 45 51 55 58 56 53 49 45 45 43 43 42 41
MAX/MIN RH                   36          72          52          92          42
RH                  56 38 37 50 62 66 71 71 53 51 63 73 83 89 93 86 55 46 42 49
WIND DIR             S  S  S  S SW SW SW SW SW SW SW SW  W NW  W NW NW NW NW NW
WIND SPD             2  4  5  2  3  3  4  4  6  6  5  3  2  2  3  6  9 10 11  6
WIND GUST                    12 14 13 14    17 17 16 14          21 23 21 24 23
CLOUDS              CL CL FW FW FW FW FW FW FW B2 B2 B1 B1 FW FW FW SC SC SC FW
CLOUDS(%)            1  5 19  6 17  7  8  6 25 73 81 68 68  9  9 10 35 50 39 25
VSBY                10 10 10 10 10 10 10 10 10 10  6  8  8  8 10 10  8  9  9  9
POP 12HR                      0           0          70          50           0
RAIN SHWRS                                     NM NM SC SC                     
TSTMS                                          SC SC IS                        
MIX HGT              4  7  6 <1 <1 <1 <1  1  4  3  3 <1 <1 <1 <1  2  5  6  5  2
T WIND DIR           S SW  S  S  S  S  S  S  S SW SW  S  W NW NW NW NW NW NW NW
T WIND SPD           6  9 14  8  6  6  5 14 17 19  8  8  5 14 10 20 23 20 24 14
DISPERSION                   VP VP VP VP             VP VP VP VP             PR
ADI                 34 76111  4  3  3  3 21 85 65 26  4  3  7  5 48131131100  7
MAX LVORI            1  1  1  2  3  3  3  3  1  1  2  3  5  5  6  4  1  1  1  2
STABILITY            A  A  A  G  G  G  F  A  B  C  C  F  F  G  G  B  B  B  C  F
CEILING                    None  None  None  None  3000  4400  None  None  None
STA PRES                  28.62 28.60 28.55 28.49 28.38 28.36 28.37 28.37 28.37


Date          Fri 05/15/26Sat 05/16/26Sun 05/17/26Mon 05/18/26
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       43      77      51      87      59      90      63      92
TEMP          47 48 73 69 55 56 84 80 64 63 88 82 68 66 91 85
DEWPT         40 40 44 47 45 49 57 59 56 57 60 62 58 60 62 63
RH            76 74 35 45 69 77 40 49 75 81 39 51 70 81 38 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC FW SC SC SC SC FW FW SC SC SC FW SC
POP 12HR            0       0       5       5      10      10       5      20
RAIN SHWRS                                                 IS
TSTMS                                                      IS

$$


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