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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
531 AM EDT Thu Jun 18 2026

NCZ001-182000-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
531 AM EDT Thu Jun 18 2026

Date             Thu 06/18/26            Fri 06/19/26            Sat 06/20/26
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                 77          60          71          54          73
TEMP             65 71 74 76 71 66 63 62 62 63 68 69 63 59 56 55 56 63 70 72 67
DEWPT            60 61 63 63 61 62 60 59 61 61 59 56 53 53 52 52 50 49 50 51 53
MAX/MIN RH                   64          97          62          89          45
RH               84 71 69 64 71 87 90 90 97 93 73 63 70 80 86 90 80 60 49 48 61
WIND DIR          W  W  W  W  W  W  W NW NW NW NW NW NW NW NW NW NW NW  W  W  W
WIND SPD         21 21 16 11 12 13  9 10 16 14 14 14 16 13 13 13 13 11  9  9  8
WIND GUST        32 34 26                                                      
CLOUDS           SC B1 B1 B2 OV OV OV OV B1 B1 SC CL CL SC FW SC FW FW FW FW SC
CLOUDS(%)        40 53 68 84 94 90 88 89 54 56 47  5  5 28 25 26 23 18 19 16 30
VSBY             10 10  8  8  7  7  7  6  7 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     70          90          30           0           0
RAIN SHWRS          IS SC NM  O NM NM NM IS SC                                 
TSTMS                  SC NM             IS IS                                 
MIX HGT           2  4  5  3  1 <1 <1 <1  1  2  4  5  1 <1 <1 <1  1  3  5  5 <1
T WIND DIR        W  W  W  W  W  W SW  S SE NW NW NW NW NW NW NW NW  W NW NW NW
T WIND SPD       25 32 25 25 16  4  6  8  1  6 21 26 17  8  6  6  9  6 10  9  6
DISPERSION                   FR FR PR FR             GD FR FR FR             PR
ADI              57 84 76 77 14  4  6  7  2 14 85107 19  7  6  6 12 23 58 56  5
MAX LVORI         4  3  1  1  3  5  5  5  8  5  3  1  3  4  5  5  4  2  1  1  3
STABILITY         C  D  D  C  D  D  D  D  D  D  C  C  D  D  D  D  C  C  B  B  E
CEILING              None  9300   700   300  None  None  None  None  None  None
STA PRES            26.62 26.60 26.62 26.58 26.58 26.61 26.69 26.68 26.71 26.67


Date          Sun 06/21/26Mon 06/22/26Tue 06/23/26Wed 06/24/26
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       58      76      62      70      58      71      57      72
TEMP          59 61 73 69 64 63 67 65 62 59 68 66 59 58 69 66
DEWPT         53 53 56 61 61 62 66 63 61 58 56 56 55 53 57 59
RH            80 75 55 76 90 97 97 93 97 96 65 70 87 83 66 78
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC FW B1 B1 B1 OV OV B2 B1 B1 SC SC SC B1 B1
POP 12HR            5      40      30      70      70      30      10      30
RAIN SHWRS             SC SC SC NM NM NM SC SC IS       IS SC
TSTMS                  SC SC    IS SC 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

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