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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 PM EST Sat Dec 21 2024

NCZ005-212100-
RAWS 310540
36.38N  79.70W Elev. 858 ft
131 PM EST Sat Dec 21 2024

Date             Sat 12/21/24            Sun 12/22/24            Mon 12/23/24
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 42          22          37          20          41
TEMP                      41 32 27 25 22 22 30 36 37 28 25 23 21 20 31 39 40 33
DEWPT                     18 18 16 15 14 14 14 13 12 14 14 14 13 14 16 15 17 18
MAX/MIN RH                   39          73          36          77          36
RH                        39 56 63 65 71 71 51 38 35 55 62 68 71 77 53 37 39 53
WIND DIR                   N  N  N  N  N  N NE NE NE  E  E  E  E  E SE SE  S  S
WIND SPD                   9  5  5  3  2  2  3  2  2  2  1  1  1  1  2  3  3  2
CLOUDS                    CL CL FW CL CL CL CL CL CL FW CL CL CL CL CL CL CL CL
CLOUDS(%)                  5  5  8  2  1  2  2  5  3 14  4  2  5  3  2  4  2  3
VSBY                      10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5           0           0           0           0
LAL                        1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES                     5  5  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4  4
MIX HGT                    5 <1 <1 <1 <1 <1  3  3  3 <1 <1 <1 <1 <1  2  3  2 <1
T WIND DIR                 N  N  N  N  N  N  N  N  N  E  E  E  E SE SE SE SE  S
T WIND SPD                16 14 13 12 10 10  6  3  2  5  2  5  5  5  4  4  4  2
DISPERSION                   PR PR VP VP             VP VP VP VP             VP
ADI                       65  7  6  6  5 11 23 14  9  3  1  3  3  6 10 16 10  1
MAX LVORI                  1  3  3  3  3  3  2  2  2  3  3  3  3  3  2  2  2  2
STABILITY                  C  F  F  G  G  B  B  B  B  G  G  G  G  B  B  B  B  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.51 29.59 29.63 29.70 29.69 29.75 29.78 29.79 29.71


Date          Tue 12/24/24Wed 12/25/24Thu 12/26/24Fri 12/27/24
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       25      52      31      47      33      49      36      50
TEMP          26 27 49 43 35 32 46 42 36 33 47 43 37 36 48 45
DEWPT         16 19 31 33 33 32 38 37 35 33 39 38 37 36 41 40
RH            65 71 50 67 92100 73 82 96100 74 82100100 77 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC SC SC B1 B2 B1 B2 B1 SC SC B1 B2 B2 B2
POP 12HR           10       5      10      20      30      20      30      40
RAIN SHWRS                         IS IS SC IS IS IS SC SC SC
SNOWSHWRS                                SC 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
LAL(CATEGORY).......................Lightning Activity Level
HAINES(CATEGORY)....................Haines Index
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