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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
200 PM EST Sat Nov 27 2021

VAZ012-272100-
RAWS 447502
37.01N  81.18W Elev. 2540 ft
200 PM EST Sat Nov 27 2021

Date             Sat 11/27/21            Sun 11/28/21            Mon 11/29/21
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                 47          33          46          22          38
TEMP                      46 38 36 34 33 33 40 45 45 37 33 28 24 23 31 35 37 32
DEWPT                     17 18 19 20 22 24 28 31 31 30 25 21 17 16 18 15 15 16
MAX/MIN RH                   29          68          57          75          40
RH                        31 44 50 56 63 69 62 58 58 75 72 75 74 74 58 43 40 51
WIND DIR                   W  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW  W  W
WIND SPD                   8  6  6  9  9  8 10 10 10 10 11 11 10  9 10  9  6  4
WIND GUST                                   20 20       21 21                  
CLOUDS                    FW FW FW FW FW FW FW SC SC SC SC SC SC SC FW SC FW FW
CLOUDS(%)                 23 20 20 22 12 12 17 35 49 38 34 46 38 29 20 33 14 16
VSBY                       7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7  7
POP 12HR                      0           0           5           5           0
LAL                        1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES                     4  5  4  3  3  4  2  3  2  2  2  2  2  3  2  2  3  4
MIX HGT                    2 <1 <1 <1 <1 <1  1  2  2 <1  2  2  2  2  3  3  3  2
T WIND DIR                 W  W  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW  W
T WIND SPD                23  6  6  9  9 23 18 19 21 24 31 29 26 19 21 14 12 14
DISPERSION                   PR PR PR PR             FR FR FR FR             VP
ADI                       61  3  3  6  6 19 34 47 62 16 21 40 18 40 66 48 38  7
MAX LVORI                  1  2  2  3  3  3  1  1  1  3  3  3  3  3  1  1  1  2
STABILITY                  C  F  F  E  E  C  C  C  C  E  E  D  E  C  C  C  C  F
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  27.16 27.13 27.10 27.11 27.07 27.11 27.15 27.22 27.20


Date          Tue 11/30/21 Wed 12/01/21 Thu 12/02/21 Fri 12/03/21
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      50      31      54      37      56      43      58
TEMP          28 27 47 38 35 34 51 42 41 40 53 47 46 44 56 48
DEWPT         15 18 30 32 31 31 35 33 33 35 41 40 41 40 42 40
RH            58 68 51 79 85 89 54 70 73 82 64 76 83 86 59 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW FW FW SC SC SC SC SC SC SC SC SC SC SC
POP 12HR            0       0       0       0      10       5      10      20
RAIN SHWRS                                              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