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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 AM EDT Sun Jun 21 2026

NCZ005-212000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
801 AM EDT Sun Jun 21 2026

Date             Sun 06/21/26            Mon 06/22/26            Tue 06/23/26
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                 91          67          94          68          88
TEMP                81 87 90 83 76 72 70 74 84 90 92 85 77 74 71 73 81 86 87 83
DEWPT               58 57 57 60 61 62 64 67 67 68 69 70 70 69 67 67 66 64 62 62
MAX/MIN RH                   32          91          45          93          43
RH                  46 36 33 46 60 71 81 79 57 49 47 61 79 84 87 81 60 48 43 49
WIND DIR             N SW SW  S  S  S  S SW SW SW SW SW  S  W  W  W NW NW NW  N
WIND SPD             2  4  4  1  2  3  4  4 10 11 11  8  4  4  3  5  6  6  6  4
WIND GUST                                14 20 21                              
CLOUDS              FW FW FW SC SC FW SC FW SC SC B2 OV B2 B1 SC SC SC SC SC SC
CLOUDS(%)           11 12 23 29 30 21 36 17 26 48 75 94 79 57 34 35 33 39 38 28
VSBY                10 10 10 10 10 10 10 10 10  3  3  4 10 10 10 10 10 10 10 10
POP 12HR                      0           0          70          80          20
RAIN SHWRS                                        SC  O NM             IS IS   
TSTMS                                             SC SC SC             IS IS   
MIX HGT              5  8  9 <1 <1 <1 <1  1  5  7  3 <1 <1 <1 <1  2  5  6  5 <1
T WIND DIR           N  W SW  W SW SW  S SW SW SW SW SW SW SW SW  W NW NW NW NW
T WIND SPD           1  5  9  8  1  3  4 12 21 19 20  9  9 10  9 13 18  9 11 11
DISPERSION                   VP VP VP VP             PR VP VP VP             VP
ADI                  7 54 94  4  1  2  2 21131 95 53  8  6  7  4 32106 59 67  5
MAX LVORI            2  1  1  2  3  3  5  3  1  1  1  3  4  4  5  3  1  1  1  2
STABILITY            A  A  A  G  G  G  F  A  B  C  D  D  E  E  G  A  B  B  B  F
CEILING              None  None  None  None  None  4700  4200  None  None  None
STA PRES            29.23 29.18 29.21 29.22 29.22 29.15 29.15 29.15 29.22 29.22


Date          Wed 06/24/26Thu 06/25/26Fri 06/26/26Sat 06/27/26
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       63      88      66      90      67      91      68      92
TEMP          67 68 85 84 70 70 88 84 71 71 88 85 72 72 90 87
DEWPT         59 59 58 58 60 64 64 65 65 66 65 66 65 65 63 64
RH            75 73 40 41 71 81 45 53 81 84 47 53 79 79 41 46
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW SC SC FW FW FW SC B1 B1 SC SC B1 SC SC SC SC
POP 12HR           10       5      20      40      30      30      20      20
RAIN SHWRS                   IS IS SC SC IS IS SC IS       IS
TSTMS                              SC SC       SC IS       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

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