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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri May 1 2026

NCZ005-020800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
801 PM EDT Fri May 1 2026

Date           05/01/26      Sat 05/02/26            Sun 05/03/26            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                 49          62          40          68          44
TEMP                56 54 51 50 53 58 61 57 49 45 42 46 56 63 67 60 51 49 46 50
DEWPT               46 45 41 38 37 36 34 34 33 31 31 33 33 33 33 37 37 38 39 42
MIN/MAX RH                   73          35          66          28          78
RH                  69 71 68 63 54 44 36 42 54 58 65 60 42 32 28 42 59 66 76 74
WIND DIR             S  N  N  N  N  N  N  N  N NW NW NW NW  W  W SW SW SW SW SW
WIND SPD             4  3  5  6  8  6  6  3  4  3  3  3  6  6  5  3  3  3  3  4
CLOUDS              B2 B2 OV OV OV OV SC SC FW FW FW FW FW CL CL FW FW FW FW FW
CLOUDS(%)           77 81 92 92 95 95 42 33 16 11 13 12  6  4  3  6  6 11 20 23
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     30          50           5           0           0
RAIN SHWRS                   SC SC SC IS                                       
MIX HGT             <1 <1 <1  2  3  4  6 <1 <1 <1 <1 <1  6  7  7 <1            
T WIND DIR          SW NW  N  N  N  N  N  N  N NW NW NW NW  W  W SW            
T WIND SPD          11 11 12 17 19 12 18  2 14  3  3 13 12 12 13  3            
DISPERSION          VP VP PR             VP VP VP VP             VP VP VP VP   
ADI                  3  1  6 41 51 42104  1  2  2  2  4 67 74110  2            
MAX LVORI            3  3  3  1  1  1  1  2  2  3  3  3  1  1  1  2            
STABILITY            E  F  E  C  C  B  A  G  F  G  G  A  B  B  A  G            
CEILING             20400  8000  4400  None  None  None  None  None  None      
STA PRES            29.16 29.17 29.21 29.15 29.24 29.33 29.38 29.29            


Date           05/04Tue 05/05/26Wed 05/06/26Thu 05/07/26Fri 05/08/26
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       77      53      81      60      81      60      76      48      72
TEMP          73 70 58 57 79 74 64 62 78 76 66 62 73 67 52 52 68 65
DEWPT         44 47 48 49 47 47 51 54 55 56 57 59 57 47 43 44 42 42
RH            35 44 69 75 32 38 63 75 45 50 73 90 57 49 71 74 39 43
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC FW SC B1 B1 B1 B1 B2 B2 B2 B1 SC SC FW SC
POP 12HR            5       0       0      20      40      60      60      20      10
RAIN SHWRS                         IS SC SC SC NM NM SC IS IS      
TSTMS                                    IS IS       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