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

NCZ001-240800-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
301 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                 55          68          59          70          60
TEMP          56 56 55 56 56 56 61 62 66 63 61 61 62 63 65 68 66 63 61 63 64 64
DEWPT         55 56 55 55 55 55 60 62 63 60 60 58 58 59 61 64 63 61 61 60 59 60
MIN/MAX RH                  100          85          99          85          99
RH            96100100 96 96 96 97100 90 90 97 90 87 87 87 87 90 93100 90 84 87
WIND DIR       S  S  S  S  S SW  S  S  S  S  S  S  W  W SW  S  S SW  S SE  S  S
WIND SPD       6 10  9  8  5  5  4  5  4  5  5  5  5  4  3  2  1  3  4  5  4  5
CLOUDS        OV OV B2 B2 B2 B2 SC B1 B2 B1 B2 B2 B2 B2 B2 OV OV B2 B2 B2 B2 B2
CLOUDS(%)     89 88 84 87 87 76 41 69 87 67 76 77 71 78 78 96 96 80 83 87 85 82
VSBY           4  2  1  0  0  2  7 10  9  9  3  0  0  4 10 10 10  6            
POP 12HR                     60          80          50          90          70
RAIN SHWRS    SC SC NM SC IS       SC  O SC IS IS IS NM NM  O  O NM NM NM NM NM
TSTMS         SC IS                SC SC IS             IS SC SC SC            
MIX HGT       <1 <1 <1 <1 <1 <1  2  2  2 <1 <1 <1 <1 <1  2  2  2 <1            
T WIND DIR     S SE SE SE  S  S SW SW  S  S  S  S  W NW NW NW SW  S            
T WIND SPD     4  4  3  3  2  2  6  5  9 12  6  8  8 10  6  6  2  4            
DISPERSION       FR PR PR PR             PR PR PR PR             VP VP PR VP   
ADI            5  4  3  3  2  2 17 15 23  8  5  5  5  8 18 16  5  2            
MAX LVORI      9  9  6  6  7  7  5  4  4  5  7  6  5  5  4  4  6  6            
STABILITY      C  D  D  D  E  C  A  C  C  E  E  E  E  C  B  B  B  F            
CEILING               600   600  1600   600   600   600   600   600   600      
STA PRES            26.83 26.84 26.85 26.82 26.81 26.81 26.85 26.83            


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       71      61      76      60      77      59      72      54      66
TEMP          69 64 63 64 69 66 63 63 70 67 63 62 66 63 58 55 59 57
DEWPT         65 62 60 60 63 60 58 59 62 60 57 57 59 56 53 50 52 50
RH            87 93 90 87 81 81 84 87 76 78 81 84 78 78 83 83 78 77
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      60      80      30      70      30      70      60      50
RAIN SHWRS    NM  O NM IS NM  O SC    SC NM SC SC NM NM SC NM SC SC
TSTMS         SC NM SC    IS SC SC    IS 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