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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1103 AM EDT Tue Mar 17 2026

NCZ005-172000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
1103 AM EDT Tue Mar 17 2026

Date             Tue 03/17/26            Wed 03/18/26            Thu 03/19/26
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                 45          25          44          29          58
TEMP                   42 43 36 31 28 27 28 35 42 44 40 35 32 30 31 45 56 58 53
DEWPT                  11 11  9 12 11 12 12 12 13 14 17 18 20 20 23 26 32 32 35
MAX/MIN RH                   25          53          29          71          37
RH                     28 27 32 45 48 53 50 38 30 29 39 49 61 66 72 47 40 37 50
WIND DIR                W  W NW NW  N  N NE  E  S  S  S  S  S SW SW SW SW SW  S
WIND SPD               14 14  8  5  3  3  3  3  3  3  2  2  2  2  2  3  4  4  2
WIND GUST                 25                                                   
CLOUDS                 SC B1 FW FW SC B1 B1 SC B1 B1 SC SC B1 B1 SC B1 SC SC SC
CLOUDS(%)              31 53 22 16 34 56 54 39 54 53 42 44 57 54 40 52 49 44 42
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT                 7  8  2  3  2  1  2  3  5  4 <1 <1 <1 <1 <1  2  4  5 <1
T WIND DIR              W  W NW  N  N  N NE SE  S  S  S  S  S SW SW  W SW SW SW
T WIND SPD             14 17 16 14 12  9  9  3  6 10  3  3  4  4  4  8  5  9  4
DISPERSION                   PR PR VP VP             VP VP VP VP             VP
ADI                    52 62 11  7  6  4 22 14 27 41  2  2  2  2  5 17 25 56  2
MAX LVORI               1  1  2  2  2  2  2  2  2  1  2  2  3  3  3  2  2  1  2
STABILITY               D  D  E  F  G  F  B  B  C  C  F  F  F  F  B  C  B  B  F
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.37 29.53 29.58 29.61 29.53 29.52 29.48 29.46 29.36


Date          Fri 03/20/26Sat 03/21/26Sun 03/22/26Mon 03/23/26
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       38      68      47      72      50      77      49      67
TEMP          44 39 65 61 52 48 70 66 55 52 74 70 60 50 63 60
DEWPT         35 37 42 42 42 44 47 45 45 46 48 47 45 39 34 32
RH            70 92 43 49 69 86 44 47 69 80 40 44 58 66 34 35
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC FW SC B1 B1 B1 SC SC SC FW SC B1 SC SC
POP 12HR            5       0      10       5       5      10      10      10

$$


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