EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
932 PM EDT Sun Mar 15 2026

NCZ018-160800-
RAWS 311941
36.22N  81.63W Elev. 3254 ft
932 PM EDT Sun Mar 15 2026

Date           03/15/26      Mon 03/16/26            Tue 03/17/26            Wed
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                 56          59          16          29          16
TEMP                53 57 58 59 52 47 35 27 22 19 17 16 21 27 28 24 20 18 17 19
DEWPT               54 53 53 53 53 43 31 20 14 11 10 10 10  8  7  5  6  5  5  5
MIN/MAX RH                  100          72          91          40          59
RH                 104 86 83 80104 86 85 74 71 70 73 77 62 44 40 43 54 56 58 54
WIND DIR             S  S  S  S  W  W  W  W NW NW NW  W  W  W  W NW NW NW  W SW
WIND SPD            13 18 18 18 18 17 23 29 29 26 21 18 21 20 18  9  4  2  2  1
WIND GUST           31 35 37 36 35 28 36 48 49 44 41 36 36 33 29 24 16         
CLOUDS              OV OV OV OV OV OV B1 SC B1 B1 B1 B1 SC FW SC FW SC B1 SC SC
CLOUDS(%)           98 96 89 97 98 96 67 43 51 58 52 54 47 23 27 20 43 61 50 48
VSBY                 3  7  7  3  6  3  3  7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     70         100          20           5           0
RAIN SHWRS          NM SC SC NM  O  O                                          
SLEET                                  S                                       
SNOWSHWRS                             SC IS IS IS IS                           
TSTMS                        IS SC SC                                          
MIX HGT              1  2  2  2  2  2  3  3  4  3  3  3  5  6  5  3            
T WIND DIR          SE  S  S  S  S NW NW NW NW NW NW NW  W  W  W NW            
T WIND SPD          11 16 21 18  9 17 41 48 49 43 31 23 24 23 24 16            
DISPERSION          FR GD GD             GD GD GD GD             PR VP VP VP   
ADI                 10 22 29 34 18 32 91 65 66 59 42 55 71 74 74 11            
MAX LVORI            6  5  4  4  5  4  4  3  3  3  3  3  1  1  1  2            
STABILITY            D  D  D  D  D  D  D  D  D  D  D  D  D  D  D  E            
CEILING                     600   500   800  None  None  None  None  None      
STA PRES                  26.54 26.44 26.41 26.58 26.71 26.83 26.88            


Date           03/18Thu 03/19/26Fri 03/20/26Sat 03/21/26Sun 03/22/26
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       39      24      52      36      61      42      64      42      65
TEMP          35 34 28 29 50 45 39 37 58 52 45 45 61 56 45 42 60 55
DEWPT         14 19 20 23 32 34 35 34 37 39 38 39 43 40 37 36 37 37
RH            41 54 71 78 50 65 85 89 45 61 76 79 51 55 73 79 42 51
WIND SPD          <15     <15     <15     <15     <15     <15     15>     <15     15>
AVG CLOUDS    SC SC SC B1 B1 SC SC SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR            0       5      10       5       5      10      10       5      10

$$


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