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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Mon Sep 23 2024

NCZ018-232000-
RAWS 311941
36.22N  81.63W Elev. 3254 ft
401 AM EDT Mon Sep 23 2024

Date             Mon 09/23/24            Tue 09/24/24            Wed 09/25/24
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                 73          60          71          61          68
TEMP          63 62 69 72 72 67 64 63 62 62 68 70 69 65 64 64 62 62 65 67 67 63
DEWPT         62 62 65 66 65 65 63 62 61 62 65 66 66 65 64 63 62 62 63 65 64 63
MAX/MIN RH                   78         100          87         100          91
RH            97100 87 81 79 93 97 97 97100 90 87 90100100 97100100 93 93 90100
WIND DIR      SE  S SW  W SW  S  W NW  S  E  S SW  S  E  N  N SE  S  S  S  S  S
WIND SPD       2  2  3  4  4  2  2  1  2  1  3  4  3  1  0  0  1  1  2  3  3  2
CLOUDS        OV B2 B2 B2 OV B2 B2 B1 B1 B1 B2 B1 B2 B2 OV OV OV B2 B2 B2 OV OV
CLOUDS(%)     94 78 76 71 93 83 70 68 68 68 70 67 76 84 90 96 91 86 87 87 91 94
VSBY           1  1  6  7  6  6  7  7  7  7  7  6  6  6  6  6  6  6  6  6  6  6
POP 12HR                     70          50          80          70          70
RAIN SHWRS          SC SC NM SC SC IS IS SC SC  O  O NM NM NM NM NM NM NM NM SC
TSTMS               SC SC SC SC SC IS IS       SC SC SC SC          IS SC SC IS
Obvis         PF PF                                                            
LAL            1  1  3  3  3  3  3  2  2  1  1  3  3  3  3  1  1  1  2  3  3   
HAINES         2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2  2   
MIX HGT       <1 <1  2  3  2 <1 <1 <1 <1 <1  2  2  1 <1 <1 <1 <1 <1  1  2  1 <1
T WIND DIR    SE SW NW  W  W  S  S  S  S  S  S SW  S  E  E SE SE  W SW SW SW  S
T WIND SPD     3  2  8 11  5  3  4  5  6  5  9 10 12  8  6 13  5  1  8 12 11  4
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            2  2 22 28 11  2  2  3  3  4 21 21 21  4  3  6  3  1 12 27 20  2
MAX LVORI      8 10  4  3  4  7  8  8  9  9  4  4  4  9  9  8  9 10  5  4  5  9
STABILITY      F  C  C  D  D  F  F  F  F  C  C  D  C  F  F  F  F  C  C  C  C  F
CEILING               100  2200   100   100   100   100   100   100   100   100
STA PRES            26.89 26.85 26.86 26.86 26.87 26.82 26.82 26.82 26.87 26.86


Date          Thu 09/26/24Fri 09/27/24Sat 09/28/24Sun 09/29/24
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       60      68      60      68      57      68      55      64
TEMP          62 61 67 65 63 61 67 63 59 58 67 63 58 56 63 60
DEWPT         62 61 66 64 62 60 64 63 59 57 62 60 58 55 60 58
RH           100100 97 97 97 97 90100100 96 84 90100 96 90 93
WIND SPD          <15     <15     <15     15>     <15     <15     <15     <15
AVG CLOUDS    OV OV OV OV OV OV B2 B2 B2 B2 B1 B1 B1 B2 B1 B2
POP 12HR           40      40      40      60      50      30      40      40
RAIN SHWRS    SC SC SC SC SC SC NM SC SC SC SC SC SC SC SC SC
TSTMS         IS       IS       IS SC 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