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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1201 AM EDT Fri May 1 2026

NCZ005-020800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
1201 AM EDT Fri May 1 2026

Date           04/30/26      Fri 05/01/26            Sat 05/02/26            Sun
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                 44          71          48          59          40
TEMP                   48 45 48 59 66 71 63 57 54 51 49 53 55 58 54 48 45 41 44
DEWPT                  37 37 38 38 37 39 43 44 44 44 44 46 46 45 43 40 36 35 35
MIN/MAX RH                   73          32          82          62          79
RH                     65 73 68 45 34 31 48 62 69 77 83 77 72 62 66 74 70 79 70
WIND DIR                N NE NE  E SW SW  S SW  N  N  N  N NE NE  E NW NW NW NW
WIND SPD                4  3  2  3  5  8  4  3  3  4  5  5  6  6  3  4  5  5  5
CLOUDS                 SC B1 B1 B1 B1 B1 B2 B2 OV OV OV OV OV B2 B1 B1 SC FW FW
CLOUDS(%)              27 68 65 62 52 59 78 81 92 92 91 93 92 85 66 51 29 19  7
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           5          50          70          30
RAIN SHWRS                                     SC SC NM NM NM NM SC SC         
MIX HGT                <1 <1 <1  3  5  6 <1 <1 <1 <1  1  2  2  2 <1            
T WIND DIR              N  N NE SE SW SW SW SW  N  N  N  N  N NE SW            
T WIND SPD              9  4  9  4  8 13  8  2 13 18 14 12  6  3  4            
DISPERSION             VP VP             VP VP VP VP             VP VP PR PR   
ADI                     4  2 10 19 53 64  5  1  6 12 18 25 16  9  2            
MAX LVORI               3  3  3  2  1  1  2  3  3  4  3  3  3  3  3            
STABILITY               F  F  B  B  A  C  E  F  F  E  C  C  C  B  F            
CEILING                   16600 12300  5200 10100  6700   300  6100  None      
STA PRES                  29.27 29.28 29.19 29.21 29.26 29.28 29.21            


Date           05/03Mon 05/04/26Tue 05/05/26Wed 05/06/26Thu 05/07/26
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       67      41      75      52      80      59      80      59      77
TEMP          63 60 45 46 73 70 57 55 78 74 63 60 76 75 64 61 75 67
DEWPT         32 34 36 38 41 44 46 47 47 48 53 56 56 55 57 57 52 44
RH            31 37 70 73 31 39 67 74 33 40 70 87 50 50 78 87 45 43
WIND SPD          <15     <15     <15     <15     <15     <15     15>     <15     <15
AVG CLOUDS    FW CL CL CL CL FW FW FW FW FW B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR            5       0       0       0       5      10      40      50      40
RAIN SHWRS                                        IS SC SC SC SC SC
TSTMS                                                   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