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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sat Mar 21 2026

NCZ006-212000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
801 AM EDT Sat Mar 21 2026

Date             Sat 03/21/26            Sun 03/22/26            Mon 03/23/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 77          55          86          64          75
TEMP                70 77 77 69 62 58 56 56 73 84 86 79 73 69 67 64 70 73 70 60
DEWPT               52 49 45 47 48 49 53 54 59 56 53 55 54 54 54 55 52 44 36 32
MAX/MIN RH                   32          92          33          72          28
RH                  53 37 32 45 60 72 90 93 62 38 32 44 51 59 63 73 53 35 29 35
WIND DIR            NW NW NW SE SE  S SW SW SW SW SW SW SW SW SW  W NW  N  N  N
WIND SPD             4  4  2  1  1  2  2  2  3  6  6  3  5  5  5  5  8 10 10  5
WIND GUST                                                           18       16
CLOUDS              B1 B1 B1 SC FW FW SC SC FW FW SC SC FW SC B1 B1 SC SC FW FW
CLOUDS(%)           59 69 56 34 19 24 33 39 21 15 28 40 21 28 54 56 40 32 14  7
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10  7  7 10 10 10
POP 12HR                      5          10           0          10          20
RAIN SHWRS                                                       IS IS         
MIX HGT              3  5  5 <1 <1 <1 <1 <1  2  5  6 <1 <1 <1 <1 <1  4  6  5 <1
T WIND DIR           N NW SW  S  S SE  S  S  W SW SW SW SW SW SW NW NW  N  N  N
T WIND SPD          11  3  3  2  3  4  5  4 11 16 20  9 11 14 12 14 27 23 23 19
DISPERSION                   VP VP VP VP             VP PR PR PR             PR
ADI                 27 11 14  1  2  2  3  5 26 90134  4  5  7  8 18128100 94  9
MAX LVORI            2  2  2  2  3  5  6  6  2  1  1  2  2  3  3  3  1  1  1  2
STABILITY            D  D  C  G  G  G  G  B  B  B  B  G  F  F  E  D  B  C  C  F
CEILING                 0  None  None  None  None  None  None  None  None  None
STA PRES            29.28 29.25 29.26 29.23 29.22 29.11 29.06 29.05 29.30 29.46


Date          Tue 03/24/26Wed 03/25/26Thu 03/26/26Fri 03/27/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       40      60      41      66      46      73      56      77
TEMP          47 40 57 54 46 43 63 61 52 49 70 68 61 58 73 67
DEWPT         29 28 26 26 28 35 41 41 42 44 47 52 54 54 51 43
RH            49 62 30 34 49 73 44 48 69 83 44 57 78 86 46 42
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC SC B1 SC B2 B1 B1 B1 B1 B1 B1 B1 B1
POP 12HR            5       5      20      20      20      20      20      30
RAIN SHWRS                   IS IS IS IS IS IS IS IS IS IS SC

$$


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