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

WVZ043-220900-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
731 PM EST Sat Dec 21 2024

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

MIN/MAX TEMP                 16          30          19          39          26
TEMP                20 18 16 16 19 27 30 24 21 21 19 19 25 36 39 32 27 27 28 30
DEWPT               12 12 11 11 11  9  9  9 10 10 11 12 13 16 18 19 19 20 22 24
MIN/MAX RH                   83          41          75          41          79
RH                  71 77 80 80 70 46 41 52 62 62 70 74 60 43 42 58 71 74 78 78
WIND DIR            NW NW NW NW  N NW NE  E SE SE SE SE SE SE SE  S  S SW  W  W
WIND SPD             5  4  3  3  3  2  2  1  2  3  2  2  3  4  4  3  2  2  2  3
CLOUDS              B2 SC SC SC FW FW CL FW CL FW CL CL FW FW CL FW FW SC B1 B1
CLOUDS(%)           74 48 37 34 24 13  4 10  5  6  4  2  6 13  5 11 11 35 53 66
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0           0           5
LAL                  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1               
HAINES               3  3  4  4  4  4  4  4  4  4  4  4  4  4  4  4            
MIX HGT              2  2  2  1  2  3  2 <1 <1 <1 <1 <1  1  2  1 <1            
T WIND DIR          NW NW NW NW NW NW NW  N SE SE SE SE SE  S  S SE            
T WIND SPD          14 12 11  8  5  5  3  1  2  3  4  4  6  8 11  5            
DISPERSION          PR VP VP             VP VP VP VP             VP VP VP VP   
ADI                 10  6  5 14 14 18 10  1  1  2  2  5 10 19 19  3            
MAX LVORI            3  4  4  4  3  2  2  2  3  3  3  4  2  2  2  3            
STABILITY            E  F  G  B  B  B  B  G  G  G  G  B  B  C  C  G            
CEILING              1400  None  None  None  None  None  None  None  None      
STA PRES            27.86 27.88 27.94 27.93 27.97 27.97 27.97 27.91            


Date           12/24Wed 12/25/24Thu 12/26/24Fri 12/27/24Sat 12/28/24
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MAX/MIN TEMP       41      30      45      33      46      35      47      38      50
TEMP          40 37 33 30 43 39 34 33 44 41 36 36 45 43 40 39 48 46
DEWPT         31 31 31 30 35 34 33 33 37 35 35 35 39 37 36 36 40 39
RH            70 79 92100 73 82 96100 76 79 96 96 79 79 85 89 74 76
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 B1 B2 B2 B2 B2 B2 B2 B1
POP 12HR            5       5      10      20      20      30      40      50      40
RAIN SHWRS                      IS IS IS IS    SC SC SC SC SC SC SC
SNOWSHWRS                          IS 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