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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
631 PM EDT Sat May 23 2026

NCZ003-240800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
631 PM EDT Sat May 23 2026

Date           05/23/26      Sun 05/24/26            Mon 05/25/26            Tue
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                 56          73          59          80          60
TEMP             57 57 57 57 58 66 70 72 71 66 64 62 63 74 78 76 73 68 64 62 65
DEWPT            57 57 57 57 58 62 66 68 67 65 64 62 63 70 71 72 71 67 64 62 65
MIN/MAX RH                  100          85         100          79         100
RH              100100100100100 87 87 87 87 97100100100 87 79 87 93 97100100100
WIND DIR          E  E SE  E SE  E SE SE SE  N  N  N  N  N  S  S  N  N  N  N  N
WIND SPD          2  2  1  1  1  1  2  2  1  0  0  0  0  0  2  1  0  0  0  0  0
CLOUDS           OV OV OV OV OV OV OV B2 B1 B2 B2 B1 B1 B1 OV OV OV OV B2 OV B2
CLOUDS(%)       100 98 95 95 95 92 92 80 68 73 75 63 57 65 90 90 89 91 87 89 83
VSBY              5  4  2  3  3  4  7 10 10  6  2  2  4 10 10 10  7            
POP 12HR                     60          40          40          80          80
RAIN SHWRS       NM NM SC SC IS IS SC SC SC SC SC SC SC SC  O  O  O  O NM NM NM
TSTMS                              SC SC IS             IS SC SC SC IS         
Obvis               PF PF PF PF                                                
MIX HGT          <1 <1 <1 <1 <1  1  2  3 <1 <1 <1 <1 <1  2  3  2 <1            
T WIND DIR        E  E NE NE NE  S SW  S  S  S SW SW NW NW NW SW SW            
T WIND SPD        5  3  2  1  1  3  8 11 11 10  8  6  8  6  5  5  8            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  2  1  1  1  6 23 37  5  5  4  3  9 15 20 12  4            
MAX LVORI         8  7  8  9  8  6  4  3  5  9  9  9  8  4  3  4  6            
STABILITY         F  F  F  F  B  B  B  B  F  F  F  F  B  B  B  B  F            
CEILING               700   700   700  1900  2200   600  1600  3000  3800      
STA PRES            28.28 28.28 28.28 28.23 28.22 28.22 28.26 28.24            


Date           05/26Wed 05/27/26Thu 05/28/26Fri 05/29/26Sat 05/30/26
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       80      61      81      60      83      59      77      54      72
TEMP          77 73 65 66 79 76 65 66 80 76 65 64 74 72 61 58 68 68
DEWPT         72 72 65 66 71 71 63 64 69 70 62 62 66 64 57 55 58 58
RH            85 97100100 77 85 93 93 69 82 90 93 76 76 87 90 70 70
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 OV B2 B1 B2 OV B1 B1 B1 B2 B1 B1 B2 B2 B1 B2 B1 B1
POP 12HR          100      70      90      30      70      30      60      50      50
RAIN SHWRS    NM  O NM IS NM  O SC    SC NM SC IS NM NM SC SC SC SC
TSTMS         IS NM SC    IS SC SC       SC IS       SC          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