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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 AM EDT Wed Jul 22 2026

NCZ003-222000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
301 AM EDT Wed Jul 22 2026

Date             Wed 07/22/26            Thu 07/23/26            Fri 07/24/26
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          69          73          62          75
TEMP          74 73 75 76 77 74 72 71 69 69 70 73 72 69 66 64 62 64 68 72 74 72
DEWPT         71 70 71 71 72 72 70 67 66 65 65 64 63 67 65 62 61 63 66 67 68 68
MAX/MIN RH                   84          95          73          97          82
RH            90 90 87 85 85 93 93 87 90 87 84 73 73 93 97 93 97 97 93 84 82 87
WIND DIR      SW  S SW SW SW  N  N NW NW  N  E  E  E  E  N  N  N  E  E  E SE  E
WIND SPD       2  2  3  5  4  0  0  1  2  2  3  4  4  2  0  0  0  1  3  4  3  1
CLOUDS        B2 OV B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 SC B2 B1 B2 B2 B2 OV B2 B2 B2
CLOUDS(%)     72 88 80 87 83 79 74 74 82 84 74 63 45 71 69 81 79 78 88 87 80 84
VSBY          10  7  8  6  7  7  8  9  8  9 10  6  6  7  7  7  7               
POP 12HR                     90          70          40          40          30
RAIN SHWRS    NM  O NM  O NM NM SC SC SC SC    SC    SC SC SC SC IS IS SC SC SC
TSTMS         SC IS SC NM NM SC IS             IS                      IS IS   
MIX HGT       <1 <1  1  2  2 <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1  1  2  2  2 <1
T WIND DIR    SW SW  W SW SW  N NW  N  N NE  E  E SE  S NE  N NE  E  E  E  E  E
T WIND SPD    10 11 18  9  8  8  3  8  6  8 10  8  5  4  1  1  3 10 10  9  9  6
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            5 12 32 22 20  4  2  4  3  8 30 23 20  2  1  1  2 19 25 23 25  3
MAX LVORI      5  5  4  4  4  6  7  6  6  5  4  3  3  6  9  9  8  5  5  4  3  6
STABILITY      F  B  B  C  C  F  F  F  F  B  B  C  A  F  F  F  F  B  B  C  B  F
CEILING               900  2500  2300  5500  2600  2100  2900  3700  4200  4600
STA PRES            28.03 28.04 28.07 28.10 28.19 28.20 28.24 28.24 28.26 28.20


Date          Sat 07/25/26Sun 07/26/26Mon 07/27/26Tue 07/28/26
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      77      63      85      66      88      67      87
TEMP          66 66 74 72 66 67 82 79 68 70 86 81 70 71 84 80
DEWPT         65 66 71 71 66 67 71 72 66 68 71 72 67 68 72 71
RH            97100 90 97100100 69 79 93 93 61 74 90 90 67 74
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B1 B1 SC SC FW SC SC SC SC B1 SC B1
POP 12HR           70      80      30      20       5      20      30      40
RAIN SHWRS    SC NM  O NM SC       IS          IS IS SC IS SC
TSTMS               IS SC IS       IS          IS 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