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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
101 PM EDT Mon May 18 2026

NCZ003-182000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
101 PM EDT Mon May 18 2026

Date             Mon 05/18/26            Tue 05/19/26            Wed 05/20/26
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                 89          61          90          62          89
TEMP                   87 88 81 72 68 63 69 82 88 89 82 73 69 64 69 85 88 86 79
DEWPT                  62 59 59 57 57 57 59 60 56 55 56 55 55 54 56 60 60 62 65
MAX/MIN RH                   38          84          32          72          39
RH                     43 38 47 59 68 81 70 47 34 32 41 53 61 70 63 43 39 45 62
WIND DIR                S  S  S SW  N  N  N SW SW  S  S SW  N  N  N SW SW SW NW
WIND SPD                8  8  4  1  0  0  0  4  8  8  3  1  0  0  0  1  4  4  2
WIND GUST                    14                      13                        
CLOUDS                 CL FW FW CL FW FW FW FW FW SC B1 B1 SC SC FW FW B1 B1 B1
CLOUDS(%)               5  6  6  5 11 25 22 22 13 44 54 52 32 41 14 14 69 69 63
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           5          50
RAIN SHWRS                                                             SC SC SC
TSTMS                                                                  SC SC IS
MIX HGT                 6  6 <1 <1 <1 <1 <1  4  6  7 <1 <1 <1 <1 <1  5  8  3 <1
T WIND DIR             SW  S  S SW SW  W  W  W SW SW  S SW SW NW NW  W SW NE  S
T WIND SPD             12 16 10  5  3  2  2  5  9 11  9  5  3  3  3  6  5 12  8
DISPERSION                   VP VP VP VP             VP VP VP VP             VP
ADI                    84113  5  3  2  1  2 26 65 87  4  3  2  2  3 42 28 43  4
MAX LVORI               1  1  2  3  3  5  4  2  1  1  2  3  3  3  3  1  2  1  3
STABILITY               B  B  G  G  G  G  A  A  B  B  F  G  G  G  A  A  C  C  F
CEILING                    None  None  None  None  None  None  None  None  2800
STA PRES                  28.31 28.35 28.34 28.35 28.28 28.28 28.26 28.25 28.23


Date          Thu 05/21/26Fri 05/22/26Sat 05/23/26Sun 05/24/26
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       62      79      53      69      55      77      59      80
TEMP          66 66 78 69 60 55 66 67 59 59 73 73 63 63 76 75
DEWPT         63 63 66 63 56 55 61 61 58 59 67 68 63 63 69 70
RH            90 90 67 81 87100 84 81 96100 81 84100100 79 84
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B2
POP 12HR           60      90      90      80      80      70      50      80
RAIN SHWRS    SC NM NM  O  O  O  O NM  O NM SC NM SC SC SC  O
TSTMS         IS    IS SC IS       SC IS       SC 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

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