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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Wed Mar 18 2026

NCZ006-190800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
801 PM EDT Wed Mar 18 2026

Date           03/18/26      Thu 03/19/26            Fri 03/20/26            Sat
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                 32          61          41          70          50
TEMP                35 34 33 33 48 57 61 56 50 46 44 42 57 66 69 63 58 54 52 52
DEWPT               20 21 22 24 27 30 33 37 37 38 39 40 44 44 43 44 44 44 45 47
MIN/MAX RH                   69          35          92          39          84
RH                  54 58 63 69 44 35 35 49 61 73 82 93 62 45 39 50 59 69 77 83
WIND DIR            SE  S  S  S SW SW  W  S  S SW  W  W  S SW SW  S  S SW SW SW
WIND SPD             2  2  3  2  5  4  4  3  3  1  1  1  2  4  4  2  4  5  5  4
CLOUDS              SC OV B1 SC SC SC SC SC SC B1 FW FW SC SC B1 B2 B1 B1 B1 SC
CLOUDS(%)           40 88 65 45 47 31 43 41 33 54 19 17 34 43 60 81 66 67 61 45
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           5           5          20
RAIN SHWRS                                                       IS IS         
MIX HGT             <1 <1 <1 <1  2  4  5 <1 <1 <1 <1 <1  2  5  5 <1            
T WIND DIR           S  S  S  S SW  W  W SW  W NW  N  N  S SW SW  S            
T WIND SPD           3  3  4  4  8  6  6  1  1  2  2  2  2 10 16  9            
DISPERSION          VP VP VP             VP VP VP VP             VP VP PR PR   
ADI                  2  2  2  4 20 32 37  1  1  1  1  2  5 60 95  4            
MAX LVORI            2  3  3  3  2  1  1  2  3  3  5  6  3  1  1  2            
STABILITY            F  F  F  C  C  B  B  F  F  F  G  A  B  B  B  F            
CEILING              None  6000  None  None  None  None  None 19000 16800      
STA PRES            29.65 29.60 29.59 29.50 29.53 29.52 29.51 29.37            


Date           03/21Sun 03/22/26Mon 03/23/26Tue 03/24/26Wed 03/25/26
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      83      55      70      36      58      37      64
TEMP          74 68 58 55 80 75 64 57 66 58 43 38 54 52 43 41 62 58
DEWPT         50 51 50 51 54 52 51 49 39 32 28 27 29 32 32 34 38 37
RH            43 54 75 86 41 45 63 75 37 37 55 64 38 46 65 76 41 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC B1 B1 SC
POP 12HR            0       0       5      20      30      30      10      30      20
RAIN SHWRS                         IS SC SC SC IS          SC IS   
TSTMS                                    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