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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Fri Apr 25 2025

NCZ019-260800-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
801 PM EDT Fri Apr 25 2025

Date           04/25/25      Sat 04/26/25            Sun 04/27/25            Mon
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                 58          75          48          72          49
TEMP                63 61 59 60 66 71 74 67 60 55 51 49 60 68 72 64 55 50 48 50
DEWPT               59 57 56 57 58 56 55 53 50 46 42 39 36 35 37 42 40 39 38 40
MIN/MAX RH                   92          52          71          29          68
RH                  87 87 90 90 75 59 51 61 69 72 71 68 41 29 28 45 57 66 68 68
WIND DIR            SW SW SW  W  W NW NW NW NW  N  N  N  N  N NE NE  N  N  N  E
WIND SPD             2  2  2  3  5  8 11  5  4  4  3  3  2  3  2  2  1  1  1  1
CLOUDS              B2 B2 OV B2 B1 SC SC CL FW FW SC SC SC FW SC SC SC SC SC SC
CLOUDS(%)           81 84 94 74 53 45 26  5  8 24 39 36 29 23 32 50 46 40 35 33
VSBY                 8  6  6  6 10 10 10 10 10 10 10 10                        
POP 12HR                     60          30           5           0           0
RAIN SHWRS          SC NM SC SC IS                                             
TSTMS               IS IS                                                      
MIX HGT             <1 <1 <1 <1  3  5  5 <1 <1 <1 <1  1  3  5  5 <1            
T WIND DIR          SW SW SW SW  W NW NW NW NW  N  N  N  N  N  N SE            
T WIND SPD           4  2  5 10 12 21 18 19 13 16 12 11 12  8  4  2            
DISPERSION          VP VP VP             PR VP VP VP             VP VP VP VP   
ADI                  2  1  3 11 44122108  9  6  7  6 18 51 52 30  1            
MAX LVORI            5  6  6  5  1  1  1  2  3  3  3  3  1  1  1  2            
STABILITY            F  F  F  B  C  B  B  F  F  F  G  A  A  A  A  F            
CEILING              2000   700  None  None  None  None  None  None  None      
STA PRES            27.94 27.88 27.89 27.90 27.98 28.02 28.08 28.05            


Date           04/28Tue 04/29/25Wed 04/30/25Thu 05/01/25Fri 05/02/25
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       73      52      79      60      83      60      81      61      77
TEMP          70 65 55 56 77 73 62 63 82 73 63 63 80 72 64 63 77 68
DEWPT         43 47 47 49 57 58 55 57 57 57 55 56 57 57 55 57 55 52
RH            38 52 74 77 50 59 78 81 43 57 75 78 45 59 73 81 47 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW FW SC SC SC SC SC SC B1 B1 B1 B1 B1 B1 B1 SC
POP 12HR            0       0      20      10      50      10      50      30      50
RAIN SHWRS                   IS          SC       IS SC SC SC SC SC
TSTMS                                    SC          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