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

NCZ003-020800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
531 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                 45          63          38          67          42
TEMP             61 54 50 48 46 52 58 61 56 48 43 40 43 55 63 66 60 49 45 44 48
DEWPT            42 42 40 37 35 33 32 31 31 30 30 30 32 31 32 33 35 33 34 33 37
MIN/MAX RH                   69          32          67          30          69
RH               49 64 68 65 65 48 37 32 38 49 60 67 65 40 31 29 39 54 65 65 65
WIND DIR         SW NW  N  N  N  N  N  N NW NW NW NW NW NW  W  W  W  W NW  W  W
WIND SPD          3  3  5  5  4  5  5  5  5  3  2  1  2  4  4  4  2  2  1  1  1
CLOUDS           B2 B2 B2 OV OV OV B2 SC FW FW FW FW FW CL FW CL CL FW FW SC SC
CLOUDS(%)        80 87 84 89 92 93 76 26 17 11 11 13 13  4  6  4  5 14 22 26 37
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     20          30           5           0           5
RAIN SHWRS                   IS IS IS                                          
MIX HGT          <1 <1  1  1  2  3  6  8 <1 <1 <1 <1  2  5  7  7 <1            
T WIND DIR        S SW  N  N  N  N  N  N NW NW NW NW NW NW  W  W SW            
T WIND SPD        8  2 14 16 14 17 18 20 10 10  9 10 12 13 12 12  6            
DISPERSION       VP VP PR PR             PR VP VP VP             VP VP VP VP   
ADI               5  1 12 13 43 66117190  7  5  3  3 29 84 94102  2            
MAX LVORI         2  3  3  3  1  1  1  1  2  2  3  3  2  1  1  1  2            
STABILITY         F  F  E  E  C  B  B  A  F  G  G  G  A  A  A  A  G            
CEILING              4700  5700  7200  None  None  None  None  None  None      
STA PRES            27.99 28.01 28.03 27.97 28.08 28.15 28.18 28.10            


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       75      47      79      54      79      56      74      44      69
TEMP          71 68 52 52 77 73 60 56 74 73 62 58 71 64 50 47 66 62
DEWPT         46 48 45 46 46 47 48 51 57 56 55 56 54 46 41 40 42 42
RH            41 49 77 80 33 40 64 83 55 55 78 93 55 52 71 76 42 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC FW SC B1 B1 B2 B2 B2 B2 B2 B1 SC SC SC SC
POP 12HR           10       0       5      30      50      70      60      20      10
RAIN SHWRS                         SC SC SC SC NM NM SC IS IS      
TSTMS                                    SC 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