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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 PM EDT Fri May 10 2024

VAZ020-110800-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
331 PM EDT Fri May 10 2024

Date           05/10/24      Sat 05/11/24            Sun 05/12/24            Mon
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 45          69          46          67          44
TEMP          60 60 54 51 48 51 60 65 68 55 51 49 47 49 59 65 66 59 52 49 46 52
DEWPT         45 43 42 41 40 41 39 39 42 44 44 43 41 42 39 37 37 38 38 38 38 40
MIN/MAX RH                   79          37          80          33          73
RH            58 53 64 68 74 68 46 38 39 66 77 80 79 77 47 35 34 45 59 66 73 63
WIND DIR      NW NW NW NW NW NW  W  W  W  W  W  W  W  W NW NW NW NW NW NW NW SW
WIND SPD      12 10  8  5  4  4  5  9 11  6  5  6  6  9 11 11 10  8  2  3  3  3
CLOUDS        SC FW FW FW SC SC FW SC B2 SC SC SC SC FW FW FW FW CL CL CL CL FW
CLOUDS(%)     32 21 15 11 34 38 13 38 70 39 33 31 26 16 10  9  8  2  1  2  3  7
VSBY           7  7  7  7  7  7  7  7  3  7  7  7  7  7  7  7  7  7            
POP 12HR                      5          60          30           5           0
RAIN SHWRS    IS                   SC NM SC IS                                 
TSTMS                                 IS IS                                    
LAL            1  1  1  1  1  1  1  1  2  2  1  1  1  1  1  1  1  1            
HAINES         3  3  3  3  3  5  5  5  5  3  3  4  4  4  4  4  4  4            
MIX HGT        4  1 <1 <1 <1  1  6  7  3 <1 <1 <1 <1  2  5  7  7 <1            
T WIND DIR    NW NW NW NW NW NW  W  W  W  W  W  W  W NW NW NW NW NW            
T WIND SPD    19 19  9  5  3  8  8 13 21 14  8  5  3 24 29 24 19 10            
DISPERSION       FR PR PR VP             PR PR PR PR             PR VP VP VP   
ADI           72 13  6  3  2 14 56108 49  7  4  3  2 74124114140  7            
MAX LVORI      1  2  3  3  4  3  1  1  1  3  4  4  4  3  1  1  1  2            
STABILITY      C  E  E  F  F  A  A  B  D  F  F  F  F  B  C  C  B  E            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            27.64 27.67 27.65 27.61 27.64 27.65 27.69 27.72            


Date           05/13Tue 05/14/24Wed 05/15/24Thu 05/16/24Fri 05/17/24
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       75      56      70      58      72      55      76      59      68
TEMP          72 66 59 59 66 63 61 60 70 64 58 58 73 67 61 61 67 64
DEWPT         43 48 49 52 56 56 56 56 56 53 50 51 48 52 52 55 58 57
RH            35 52 69 78 70 78 84 87 61 67 75 77 41 59 72 81 73 78
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC B2 OV OV OV OV OV B2 B1 SC SC SC SC B1 B2 B2 B2
POP 12HR            0      30      70      70      60      30      20      30      50
RAIN SHWRS             SC NM NM NM SC NM NM SC IS    IS IS SC SC SC
TSTMS                        SC SC IS IS SC IS       IS IS       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