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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
132 AM EDT Tue Mar 17 2026

NCZ005-180800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
132 AM EDT Tue Mar 17 2026

Date           03/16/26      Tue 03/17/26            Wed 03/18/26            Thu
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                 28          45          26          44          29
TEMP                   31 28 28 35 42 43 36 31 28 26 28 35 41 44 40 35 32 31 31
DEWPT                  17 15 15 16 14 11 11 11 11 11 12 12 12 13 17 19 20 21 23
MIN/MAX RH                   79          27          53          28          72
RH                     56 58 58 45 31 27 35 43 48 52 50 38 30 28 39 52 61 66 72
WIND DIR                W NW NW  W  W  W NW NW  N  N  E SE  S  S  S  S SW SW SW
WIND SPD               14 10  9 12 14 14  8  5  3  2  2  2  4  4  2  2  3  3  3
WIND GUST              26             25                                       
CLOUDS                 SC FW FW FW FW SC FW FW SC SC SC SC B1 B1 SC SC B1 B1 SC
CLOUDS(%)              30 25 14 16 24 33 22 16 34 50 31 39 54 53 42 44 57 54 40
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10                     
POP 12HR                     60           0           0           0           0
RAIN SHWRS                                                                     
TSTMS                                                                          
MIX HGT                 2  3  3  5  7  7  1 <1 <1 <1  1  3  4  5 <1            
T WIND DIR              W NW NW  W  W  W NW  N  N  N  E  S  S  S  S            
T WIND SPD             27 23 18 13 14 18 11  9 12  6  5  2  9 13  4            
DISPERSION             GD FR             PR PR VP VP             VP VP VP VP   
ADI                    19 15 73 56 72 87  5  4  6  3 11  8 27 55  2            
MAX LVORI               2  2  1  1  1  1  2  2  2  2  2  2  2  1  2            
STABILITY               E  E  B  C  C  C  F  F  F  F  B  B  D  C  F            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  29.26 29.37 29.37 29.51 29.57 29.61 29.52            


Date           03/19Fri 03/20/26Sat 03/21/26Sun 03/22/26Mon 03/23/26
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       59      39      68      48      74      49      75      48      67
TEMP          57 53 44 41 66 62 52 50 71 67 56 52 73 68 55 48 62 57
DEWPT         32 36 37 38 42 42 43 45 47 46 45 45 44 41 39 36 32 32
RH            38 52 76 89 42 48 71 83 42 47 66 77 35 37 55 63 32 38
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC FW SC SC SC B1 B1 B1 B1 B1 SC FW FW SC B1 SC
POP 12HR            0       5       5      10      10      10       5      10      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