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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
901 PM EDT Sat May 24 2025

NCZ018-250800-
RAWS 311941
36.22N  81.63W Elev. 3254 ft
901 PM EDT Sat May 24 2025

Date           05/24/25      Sun 05/25/25            Mon 05/26/25            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                 50          64          51          62          50
TEMP                52 51 51 52 57 62 63 58 57 56 54 53 57 60 60 58 55 53 51 51
DEWPT               41 41 41 43 44 50 53 54 54 53 51 52 52 51 50 50 49 48 47 48
MIN/MAX RH                   71          60          95          69          91
RH                  66 68 68 71 62 65 70 86 90 90 90 96 83 72 69 75 80 83 86 89
WIND DIR            NW NW SE SE  S  S  S  S  N  N  N NE  E  E SE SE SE SE SE SE
WIND SPD             3  2  1  3  3  3  3  2  0  0  1  2  3  3  4  3  3  4  5  8
WIND GUST                                                           13 14 16 18
CLOUDS              B2 SC B1 B1 B2 B2 OV OV B2 OV OV OV OV B2 B1 B1 B2 B2 B2 B2
CLOUDS(%)           83 47 51 61 75 79 90 98 83 90 94 98 90 71 61 68 78 84 81 80
VSBY                10 10 10 10 10 10  6  6  6  6 10 10 10 10 10 10            
POP 12HR                     10          50          70          40          40
RAIN                                         L  L  C  C  C  S  S  S  S  C  C  D
RAIN SHWRS                            SC SC                                    
MIX HGT             <1 <1 <1 <1  1  2  2 <1 <1 <1 <1 <1  1  1  2  1            
T WIND DIR          NW  N  E SE  S SW SW SW  S  S SW  E  E  E  E  E            
T WIND SPD           4  2  1  8 10  2  3  4  1  4  1  6  8 10 10 10            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP PR   
ADI                  2  1  1 10 20  6  8  2  1  2  1  7 12 19 20  5            
MAX LVORI            3  3  4  3  2  3  3  5  7  6  7  6  4  3  3  3            
STABILITY            F  F  F  B  B  B  B  F  F  F  F  B  B  B  C  F            
CEILING                    None  2200   300   200   200   200   300   300      
STA PRES                  27.05 27.06 26.99 26.94 26.93 27.00 27.02            


Date           05/27Wed 05/28/25Thu 05/29/25Fri 05/30/25Sat 05/31/25
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       56      52      68      58      70      55      68      53      67
TEMP          55 55 53 56 66 65 61 61 68 65 58 58 66 63 56 56 64 61
DEWPT         47 48 50 52 58 58 56 57 58 58 55 55 55 54 52 52 51 50
RH            74 77 89 86 75 78 84 87 70 78 90 90 68 72 86 86 63 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B1 B2 B2 B1 SC B1 B1 B1 B1 SC SC B1 SC
POP 12HR           80      80      60      30      40      20      50      30      40
RAIN           D  D  D                                             
RAIN SHWRS             NM NM NM SC IS SC SC IS    SC SC SC IS SC SC
TSTMS         IS IS       IS SC IS    IS SC          SC          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