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

NCZ006-122000-
RAWS 310801
36.37N  79.29W Elev. 580 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          79          51          71
TEMP                64 72 75 68 57 55 51 54 70 77 77 69 60 56 51 53 63 68 70 64
DEWPT               46 42 42 45 43 44 44 48 53 51 53 56 57 56 51 49 46 43 42 42
MAX/MIN RH                   31          82          40         100          37
RH                  52 34 31 43 59 66 77 80 55 40 43 63 90100100 86 54 40 36 45
WIND DIR             N  S  S  S  S  S  S SW SW  S SW SW SW  W NW NW NW NW NW NW
WIND SPD             0  3  4  3  3  5  4  4  9  9  8  3  2  1  3  5  9  9 10  4
CLOUDS              CL FW CL FW CL FW CL CL FW SC SC B2 B2 SC FW CL FW FW SC FW
CLOUDS(%)            5  8  4  7  4  6  3  5 10 41 46 85 85 32 13  5  9 24 29 24
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0          30          80           0
RAIN SHWRS                                            O  O                     
TSTMS                                                SC                        
MIX HGT              3  7  7 <1 <1 <1 <1  1  4  7  5 <1 <1 <1 <1  2  5  7  7 <1
T WIND DIR           W  S  S  S  S  S  S SW SW SW  S  W SW NW NW NW NW NW NW NW
T WIND SPD           1  5  9  5  5  6  8 13 18 18 19 10  3  6 11 23 19 17 19 16
DISPERSION                   VP VP PR VP             VP VP VP VP             VP
ADI                  4 47 78  3  3  3  4 19 94133120  5  2  3  5 58115123145  7
MAX LVORI            2  1  1  2  3  3  4  3  1  1  1  3  6  9  7  4  1  1  1  2
STABILITY            A  A  A  G  G  F  F  A  B  B  B  F  F  G  G  A  B  B  B  F
CEILING                    None  None  None  None  None  3800  None  None  None
STA PRES                  29.52 29.52 29.49 29.42 29.26 29.23 29.26 29.28 29.24


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       45      77      53      88      62      92      64      93
TEMP          49 50 74 71 57 59 86 82 67 66 90 84 70 69 92 86
DEWPT         42 42 42 47 46 50 55 58 57 60 59 61 60 63 62 61
RH            77 74 32 42 67 72 35 44 70 81 35 46 71 81 37 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW CL FW FW SC FW FW FW SC SC FW SC SC SC SC FW
POP 12HR            0       0       0       5      10      10       5       5

$$


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