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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Tue Apr 23 2024

NCZ001-232000-
RAWS 310141
36.40N  81.29W Elev. 3009 ft
801 AM EDT Tue Apr 23 2024

Date             Tue 04/23/24            Wed 04/24/24            Thu 04/25/24
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
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                 60          46          62          41          63
TEMP                54 59 59 58 54 50 47 49 54 59 61 56 50 46 43 45 55 60 61 56
DEWPT               30 29 33 36 35 35 38 41 43 40 38 37 37 36 35 36 37 37 38 38
MAX/MIN RH                   31          78          42          76          41
RH                  40 32 37 44 48 56 71 74 66 49 42 49 61 68 73 70 51 42 42 51
WIND DIR            SW  S SW  S SW  W  W  W  W NW NW NW NW NW  N  N SE  S  S SE
WIND SPD             6 10 11  9  8 10 14 14 12 12 11  9  6  5  4  4  4  4  5  5
WIND GUST                                25                                    
CLOUDS              FW FW FW SC FW B1 B2 B1 B1 SC SC FW CL CL CL FW FW FW FW FW
CLOUDS(%)            7 11 14 37 25 51 76 64 57 30 41 19  4  4  4  7  7 16 15 19
VSBY                10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      0          20          20           0           5
RAIN SHWRS                            IS IS IS                                 
LAL                  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES               5  5  4  4  4  4  3  3  3  3  4  4  4  4  4  4  4  4  5   
MIX HGT              3  5  5 <1 <1 <1  1 <1  3  5  6 <1 <1 <1 <1 <1  4  6  5 <1
T WIND DIR           W SW SW  S SW SW  W  W NW NW NW NW NW  N  N  N  E  S  S SE
T WIND SPD           9 11 17 11  9  6 20 19 21 17 14 14  5  5  5  4  2  2  5  9
DISPERSION                   PR PR FR GD             PR PR PR VP             PR
ADI                 36 71 73  8  6  6 19 25 52 69 65 10  3  3  3  4 13 18 37  4
MAX LVORI            1  1  1  2  2  3  3  3  1  1  1  2  3  3  4  3  2  2  1  2
STABILITY            B  B  C  E  E  D  D  D  D  C  C  E  F  F  F  A  A  A  A  F
CEILING              None  None  None  4700  None  None  None  None  None  None
STA PRES            27.32 27.25 27.23 27.19 27.22 27.24 27.30 27.33 27.37 27.35


Date          Fri 04/26/24Sat 04/27/24Sun 04/28/24Mon 04/29/24
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       44      58      49      64      53      70      54      72
TEMP          48 46 54 55 52 50 61 60 56 55 67 64 58 58 71 66
DEWPT         40 42 45 46 46 45 48 48 50 50 51 51 52 51 52 51
RH            74 86 71 72 80 83 62 64 80 83 56 63 80 77 51 58
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 B1 B1 B1 B2 B2 B1 B1 SC SC SC SC SC SC
POP 12HR            5      20      10      10       5       5       5      30
RAIN SHWRS             IS                                  SC
TSTMS                                                      SC

$$


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