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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EDT Thu Jul 23 2026

NCZ003-240800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
231 PM EDT Thu Jul 23 2026

Date           07/23/26      Fri 07/24/26            Sat 07/25/26            Sun
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 62          73          63          79          63
TEMP          71 68 66 65 64 64 68 69 71 71 68 67 66 66 72 75 78 74 69 66 64 67
DEWPT         68 67 66 64 63 64 68 69 69 69 68 66 65 66 71 71 71 71 68 66 64 67
MIN/MAX RH                  100          91         100          80         100
RH            90 97100 97 97100100100 93 93100 97 97100 97 87 79 90 97100100100
WIND DIR       E  E  N  N  N NE  E  E  E  N  N  N  N  N  N  S SW  N  N  N  N NW
WIND SPD       3  2  0  0  0  1  3  4  3  0  0  0  0  0  0  2  2  0  0  0  0  1
CLOUDS        B2 B2 OV OV OV B2 B2 B2 B2 B2 B2 OV OV OV OV B2 B2 B1 B1 B1 SC SC
CLOUDS(%)     77 73 90 93 90 85 77 87 81 82 83 91 90 89 90 80 80 52 63 55 48 36
VSBY           8  7  7  6  5  5  6  8  6  7 10 10 10 10 10 10 10 10            
POP 12HR                     50          30          50          70          30
RAIN SHWRS    SC SC SC SC SC SC       IS    SC SC SC SC SC NM NM SC SC IS IS   
TSTMS         IS                      IS                   SC SC IS            
Obvis                  PF PF PF                                                
MIX HGT        2 <1 <1 <1 <1 <1  2  2  2  1 <1 <1 <1 <1  2  2  1 <1            
T WIND DIR    NE NE NE NE NE NE NE NE NE NE NE NE  N  N  N NW NW NW            
T WIND SPD     9 10  9  8  6  9  9  9  5  6  5  3  3  3  3  6  5  5            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI           23  5  4  4  3 11 21 23 16  3  3  2  2  4  7 15 10  3            
MAX LVORI      4  7  9  8  8  7  5  5  5  8  9 10 10  9  6  4  4  6            
STABILITY      B  F  F  F  F  B  B  C  B  F  F  F  F  B  A  B  B  F            
CEILING         600  1400   600   600   600   600   600  6000  3400  4500      
STA PRES      28.23 28.26 28.23 28.25 28.21 28.20 28.18 28.18 28.13            


Date           07/26Mon 07/27/26Tue 07/28/26Wed 07/29/26Thu 07/30/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       84      64      86      66      90      67      87      64      85
TEMP          81 77 67 68 83 80 69 71 86 83 72 71 84 80 68 68 83 79
DEWPT         71 72 66 67 70 72 67 68 72 73 68 68 69 69 63 65 67 69
RH            72 85 97 97 65 77 93 90 63 72 87 90 61 69 84 90 59 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC FW SC SC SC SC SC SC SC SC SC SC FW SC FW SC
POP 12HR           30       5       5      10      10      20      20      10      20
RAIN SHWRS       SC                         IS       IS          IS
TSTMS            SC                         IS       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