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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Fri Mar 20 2026

VAZ012-210800-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
131 AM EDT Fri Mar 20 2026

Date           03/19/26      Fri 03/20/26            Sat 03/21/26            Sun
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                 34          65          51          70          49
TEMP                   37 35 34 57 65 64 57 54 54 52 51 62 68 70 62 55 52 51 51
DEWPT                  33 31 31 38 39 39 42 44 46 47 47 50 48 46 48 48 48 48 47
MIN/MAX RH                   86          38          88          43          92
RH                     85 85 89 49 38 40 57 69 74 83 86 65 49 42 60 77 86 89 86
WIND DIR                W  W  W SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD                4  4  3  6  9 10  8  9  9  3  3  3  3  3  2  2  2  2  2
WIND GUST                       17                                             
CLOUDS                 FW SC SC SC B2 OV B1 B1 B1 B1 B2 B2 B2 B1 FW FW FW SC B1
CLOUDS(%)               9 26 28 29 78 89 68 57 60 61 78 74 74 51 21 16 23 36 56
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0          10          40          10           5
RAIN SHWRS                               SC SC IS IS                           
MIX HGT                <1 <1 <1  2  4  3 <1 <1 <1 <1 <1  1  2  4 <1            
T WIND DIR              W  W  W SW SW SW SW SW  W  W NW NW  W  W  W            
T WIND SPD              3  3  3 16 21 21  9 12 13  9  9  6  4  8  4            
DISPERSION             VP VP             PR PR PR VP             VP VP VP VP   
ADI                     2  2  4 41 77 71  6  8  9  4  7  9 13 41  2            
MAX LVORI               5  5  6  1  1  1  3  3  4  5  5  3  2  1  3            
STABILITY               G  G  B  B  C  C  E  E  E  F  C  C  B  B  G            
CEILING                    None  None 11000  3800   700   700  None  None      
STA PRES                  27.34 27.31 27.20 27.13 27.10 27.16 27.12            


Date           03/22Mon 03/23/26Tue 03/24/26Wed 03/25/26Thu 03/26/26
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       78      51      61      29      58      37      59      39      70
TEMP          77 67 60 54 61 49 36 30 56 49 41 38 58 52 43 41 69 62
DEWPT         49 50 50 48 37 26 25 23 23 26 28 31 35 35 36 36 43 44
RH            37 54 69 80 41 40 64 75 27 40 59 76 42 52 76 82 39 52
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW SC B1 SC FW FW FW SC SC B1 B1 B1 B1 SC SC SC SC
POP 12HR            5      30      20      10      10      20      20      10      10
RAIN SHWRS          IS SC IS IS                IS IS               
SNOWSHWRS                                      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