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

VAZ018-272100-
RAWS 444002
37.56N  80.18W Elev. 2702 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          37          49          27          41
TEMP                      46 40 37 37 37 38 43 49 48 39 36 32 29 29 35 39 40 36
DEWPT                     17 18 18 20 22 25 30 33 32 30 25 21 17 18 19 19 18 18
MAX/MIN RH                   29          62          51          69          40
RH                        31 41 46 50 54 59 60 54 54 70 64 63 60 63 52 44 41 47
WIND DIR                   W  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW NW  W
WIND SPD                   8  9 11 12 10  5  6  6  6  6  8  9  9  9  8  6  4  2
WIND GUST                                17 23 21 23 23 24 24 24 25 18 17      
CLOUDS                    SC SC B1 SC FW FW FW SC B1 SC SC B1 SC FW SC SC FW FW
CLOUDS(%)                 33 38 52 29 15 14 18 44 55 48 41 51 36 24 33 31 24 24
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           5
LAL                        1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES                     4  4  5  4  3  4  3  3  2  2  2  2  2  2  2  2  3  4
MIX HGT                    2 <1 <1 <1 <1 <1  2  2  2  2  3  3  3  2  3  3  3  2
T WIND DIR                 W  S  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW  W
T WIND SPD                13 13 11 12 10 17 20 19 21 25 29 31 28 28 28 23 17 18
DISPERSION                   PR FR FR FR             PR PR PR PR             VP
ADI                       37  9 10 12  7 13 45 53 45 17 40 42 19 79 92 74 51  8
MAX LVORI                  1  2  2  2  2  2  1  1  1  3  1  1  2  1  1  1  1  2
STABILITY                  C  E  D  D  E  C  C  C  D  E  D  D  E  C  C  C  C  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  27.71 27.66 27.62 27.63 27.59 27.65 27.70 27.76 27.74


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       30      53      34      56      40      61      47      61
TEMP          32 31 50 41 37 37 54 43 43 42 58 50 50 48 60 49
DEWPT         18 19 32 32 30 30 35 33 33 35 42 40 40 41 42 38
RH            56 61 50 70 75 75 48 67 67 76 55 68 68 77 51 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 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

$$


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