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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1031 AM EDT Wed Jul 17 2024

NCZ006-172000-
RAWS 310801
36.37N  79.29W Elev. 580 ft
1031 AM EDT Wed Jul 17 2024

Date             Wed 07/17/24            Thu 07/18/24            Fri 07/19/24
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                 95          73          89          68          86
TEMP                87 92 91 83 77 75 74 76 84 85 82 80 74 72 70 71 79 83 83 79
DEWPT               74 73 73 73 73 72 72 72 72 72 71 72 71 70 68 68 68 68 69 70
MAX/MIN RH                   52          95          64          95          60
RH                  65 54 56 72 87 90 93 87 67 65 69 77 90 93 93 90 69 61 63 74
WIND DIR            SW SW SW SW SW SW SW  W NW NW NW NE  N  N  N NE NE  E  E  E
WIND SPD             6  8  9  6  4  3  3  3  4  4  3  2  1  1  2  4  4  4  3  2
CLOUDS              SC SC B1 OV B2 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
CLOUDS(%)           34 48 53 90 85 74 63 52 55 76 81 83 80 80 83 75 79 73 76 74
VSBY                 7  7  7  4 10  9  6 10 10 10 10  4                        
POP 12HR                     50          60          70          40          40
RAIN SHWRS                IS SC NM SC IS SC SC NM NM SC SC       IS IS SC SC SC
TSTMS                     IS SC SC SC       IS NM NM SC IS             IS IS   
LAL                  1  1  2  3  3  3  1  1  2  4  4  3  2  1  1  1  1  2  2   
HAINES               4  4  4  3  3  3  3  3  3  3  3  3  3  3  3  4  4  4  4  3
MIX HGT              4  7  4 <1 <1 <1 <1 <1  4  3  2 <1 <1 <1 <1  2  4  5  5 <1
T WIND DIR           W SW SW  S  S SW SW  W NW NW NW  W  N  N  N NE NE  E  S  S
T WIND SPD           8  9 11 12 10  8 10  8  8  6  5  1  2  8  8 16 10  3  4  5
DISPERSION                   PR VP VP VP             VP VP VP VP             VP
ADI                 35 66 44  8  7  4  5 10 29 23 17  1  1  4  4 33 38 15 28  3
MAX LVORI            1  1  1  3  5  6  6  5  3  3  3  4  7  6  8  4  3  2  2  3
STABILITY            B  B  C  E  E  F  F  B  C  C  B  F  F  F  F  C  C  C  B  F
CEILING                    3200  4100  None  3800  6200  7400  3100  2600  3400
STA PRES                  29.25 29.28 29.28 29.33 29.32 29.36 29.42 29.49 29.46


Date          Sat 07/20/24Sun 07/21/24Mon 07/22/24Tue 07/23/24
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       70      85      69      88      69      88      70      88
TEMP          72 72 80 78 72 72 85 80 72 72 85 81 74 73 84 81
DEWPT         70 70 73 72 70 71 72 72 71 71 72 73 72 72 73 73
RH            93 93 79 82 93 97 65 77 97 97 65 77 93 97 70 77
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1
POP 12HR           40      50      40      40      50      60      50      50
RAIN SHWRS    SC SC SC SC SC IS IS SC SC IS IS NM SC IS SC SC
TSTMS                  SC SC       SC 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