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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EDT Thu Mar 12 2026

VAZ046-130800-
RAWS 441101
37.39N  78.80W Elev. 804 ft
231 AM EDT Thu Mar 12 2026

Date           03/11/26      Thu 03/12/26            Fri 03/13/26            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                 51          55          31          58          42
TEMP                      68 55 46 37 43 42 37 33 31 32 45 53 57 54 51 49 46 43
DEWPT                     56 48 41 35 29 22 21 22 22 23 26 28 30 30 33 33 33 32
MIN/MAX RH                   83          44          68          36          66
RH                        65 77 83 92 57 44 52 63 69 69 47 38 35 40 50 54 60 65
WIND DIR                   W NW  N  N NW NW  W  W SW SW  S  S SW SW SW SW  W  W
WIND SPD                  12 13 11  9  8  4  2  2  3  5 14 18 20 16 12  9  5  4
WIND GUST                 25 26 23                      27 34 35 29 26 21 16   
CLOUDS                    B2 OV OV OV FW FW CL CL SC SC FW FW FW CL FW FW SC B1
CLOUDS(%)                 85 92 99 91 24  9  2  5 34 40 15 21 15  5 10 21 42 60
VSBY                      10 10  4  1  5 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     80         100           0           0           0
RAIN                       C  L  D  C                                          
SNOW                                C                                          
MIX HGT                    1  2  2  2  3 <1 <1 <1 <1 <1  3  4  4  1  1 <1 <1 <1
T WIND DIR                 W NW  N  N NW NW NW SW SW  S SW SW SW SW SW SW SW SW
T WIND SPD                 9 23 24 18 17  9  3  3  3  4 24 27 32 13 12 10  6  4
DISPERSION                FR             VP VP VP VP             GD FR PR PR   
ADI                       10 41 51 32 66  4  2  2  2  5 61 74 94 15 11  7  5  5
MAX LVORI                  3  3  4  4  1  2  2  3  3  3  1  1  1  2  2  2  3  3
STABILITY                  D  D  D  D  B  F  G  G  G  B  D  D  D  D  D  E  E  B
CEILING                    3400  1100  None  None  None  None  None  None  None
STA PRES                  29.05 29.27 29.36 29.48 29.48 29.43 29.26 29.27 29.33


Date           03/14Sun 03/15/26Mon 03/16/26Tue 03/17/26Wed 03/18/26
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       65      41      65      59      65      30      44      24      49
TEMP          61 55 47 43 61 61 60 61 63 49 37 31 41 37 29 26 45 41
DEWPT         28 34 34 35 46 48 54 57 53 30 19 14 10 10 11 11 14 20
RH            28 45 60 73 58 62 81 87 70 48 48 49 27 32 46 52 28 42
WIND SPD          <15     <15     <15     <15     15>     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B1 B1 B1 OV B2 B2 SC SC FW SC SC FW SC SC
POP 12HR            0       5      20      60      80      20      10       5       5
RAIN SHWRS                   IS SC NM  O  O 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