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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1232 AM EDT Tue Mar 17 2026

VAZ024-180800-
RAWS 441631
37.63N  79.51W Elev. 865 ft
1232 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                 26          41          21          44          27
TEMP                   29 27 26 33 39 40 32 27 24 22 23 33 41 44 40 35 32 29 28
DEWPT                  15 14 14 15 13 10  9  9 10 10 11 12 13 16 18 19 20 21 23
MIN/MAX RH                   90          30          62          31          81
RH                     55 57 60 47 34 28 37 46 54 59 59 41 31 32 41 52 61 72 81
WIND DIR                W  W  W  W  W  W  W  W  W  W  N  S  S  S  S  S  S SW  W
WIND SPD               10  8  6  9 11 10  5  2  2  1  1  2  4  4  2  2  1  1  1
WIND GUST              29 24 19 21 25 25 19 12                                 
CLOUDS                 FW SC FW FW SC SC FW FW SC SC SC SC SC B1 B2 B1 B1 B1 B1
CLOUDS(%)              23 26 22 16 46 44  7 10 49 29 40 35 33 53 70 53 59 53 51
VSBY                   10 10 10 10 10 10  6 10 10 10 10  6                     
POP 12HR                     80           5           0           0           5
RAIN SHWRS                                                                     
SNOWSHWRS                                                                      
MIX HGT                 4  4  4  5  7  7  3  2  1  1  2  3  5  5  1            
T WIND DIR              W NW NW  W  W  W  W  W NW NW  E  S  S  S  S            
T WIND SPD             33 28 23 19 21 23 14 14 12  5  2  5 11 13  4            
DISPERSION             FR PR             PR VP VP VP             VP VP VP VP   
ADI                    22 19112 84102108  7  7  6  3  5 24 65 43  2            
MAX LVORI               2  2  1  1  1  1  2  2  3  3  3  2  1  1  2            
STABILITY               E  E  B  C  C  C  F  G  F  G  A  B  B  D  F            
CEILING                    None  None  None  None  None  None  None  6400      
STA PRES                  28.38 28.50 28.54 28.68 28.73 28.76 28.68            


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      36      68      45      70      46      73      42      64
TEMP          57 53 41 38 65 61 50 48 67 63 53 48 69 63 48 42 60 55
DEWPT         35 37 35 35 43 43 42 42 46 44 43 41 42 40 35 30 28 27
RH            43 54 79 89 45 51 74 80 47 50 69 77 37 43 60 62 29 34
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 SC FW B1 B1 B1 B1 B2 B1 B1 B1 SC SC SC B1 SC SC
POP 12HR            0       5       5      20      10      10      10      10       5
RAIN SHWRS                      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