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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Fri Apr 19 2024

WVZ043-192000-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
331 AM EDT Fri Apr 19 2024

Date             Fri 04/19/24            Sat 04/20/24            Sun 04/21/24
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                 72          45          60          39          54
TEMP          56 57 64 68 70 63 56 52 49 46 51 57 58 53 46 43 40 41 46 50 51 48
DEWPT         41 45 51 54 55 53 52 43 39 36 32 29 28 29 30 29 29 29 29 29 29 28
MAX/MIN RH                   52          85          31          67          43
RH            57 64 63 61 59 70 86 71 68 68 48 34 32 39 53 57 64 62 51 44 42 46
WIND DIR       S  S SW SW  W NW NW NW NW NW NW NW  W NW NW NW NW NW NW NW NW NW
WIND SPD       4  3  6  9  9  9  8  9  8  6  8 10 10  6  3  4  3  3  4  6  8  8
CLOUDS        SC B1 OV B1 B2 B1 B2 B2 B1 SC SC SC SC B1 B1 B1 B1 B2 B2 B2 B2 B1
CLOUDS(%)     45 61100 61 73 67 86 86 68 45 30 26 38 51 52 56 54 75 77 81 71 66
VSBY          10 10  5  8  6  5  6  7 10 10 10 10 10 10                        
POP 12HR                     70          30           0          10          10
RAIN SHWRS       SC NM SC SC SC IS                                             
TSTMS            IS SC SC SC SC                                                
LAL            1  2  3  3  3  3  1  1  1  1  1  1  1  1  1  1  1  1  1  1  1   
HAINES         6  5  4  3  3  3  3  4  4  4  4  3  3  3  3  2  2  2  2  3  3  3
MIX HGT       <1 <1  1  4  2  1  1  1  1  1  3  5  6 <1  1 <1 <1  2  4  5  5  1
T WIND DIR    SE SE  S  S  W  N  N  N  N NW NW NW  W  W NW  N  N  N  W  W NW NW
T WIND SPD     5  4  3  5  8  3 13 13 14  6  8 16 20 17 17 12  9  4  3  9 11 14
DISPERSION    VP             PR PR PR PR             PR VP VP VP             PR
ADI            4  5  6 20 22  4 12 12 13 12 34 96133 12  8  8  4  9 17 38 47 13
MAX LVORI      3  3  3  2  2  3  4  3  3  3  1  1  1  2  2  2  3  3  2  1  1  2
STABILITY      E  B  D  C  C  D  D  D  D  B  B  B  B  E  F  E  F  B  B  C  C  D
CEILING              2300  2100   700   100  None  None  None 10300  8800  3100
STA PRES            27.62 27.58 27.65 27.66 27.68 27.65 27.65 27.67 27.67 27.61


Date          Mon 04/22/24Tue 04/23/24Wed 04/24/24Thu 04/25/24
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       35      59      38      67      48      60      35      61
TEMP          39 39 56 52 41 43 63 59 50 51 58 52 40 39 57 52
DEWPT         28 30 30 33 33 34 35 38 41 45 39 38 32 31 33 36
RH            64 70 37 48 73 70 35 45 71 80 49 59 73 73 40 54
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW FW FW FW SC B1 B2 B1 SC SC FW FW SC
POP 12HR            0       5       0       5      30      30      10      10
RAIN SHWRS                            SC SC SC 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