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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
831 PM EDT Wed Apr 30 2025

VAZ020-010800-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
831 PM EDT Wed Apr 30 2025

Date           04/30/25      Thu 05/01/25            Fri 05/02/25            Sat
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                 60          81          62          81          59
TEMP                67 64 62 64 73 78 80 70 67 64 62 64 75 81 80 72 66 62 60 61
DEWPT               52 53 54 56 59 59 56 54 53 53 54 55 55 51 50 50 51 52 52 54
MIN/MAX RH                   80          44          75          34          78
RH                  59 67 75 75 62 52 44 57 61 67 75 73 50 35 35 46 58 70 75 78
WIND DIR            NE NE NE SE  S  S  S SW  S SW SW SW  W SW SW SW SW  W  W SW
WIND SPD             2  3  2  1  5  8  8  3  3  3  3  3  4  4  3  2  2  2  2  2
WIND GUST                                            13    14                  
CLOUDS              SC B1 B1 B1 B1 B1 B2 B2 B1 B1 B1 B1 SC SC SC B1 SC SC B1 B1
CLOUDS(%)           26 53 53 67 57 52 71 78 69 55 53 57 46 45 47 55 35 39 53 64
VSBY                10  6  2  2  9 10  8  9  3 10 10  7 10 10 10 10            
POP 12HR                     10          50          40          50          40
RAIN SHWRS                   IS IS SC SC SC SC SC IS IS IS SC SC SC SC SC SC NM
TSTMS                        IS IS SC SC IS IS          IS SC SC SC IS         
MIX HGT             <1 <1 <1 <1  2  5  5 <1 <1 <1 <1 <1  3  6  6 <1            
T WIND DIR           S  E  E SE  S SW  S  S SW SW SW SW  W SW SW SW            
T WIND SPD           1  2  2  3  8 12 17 10  8  5  3  6 13 16 17 11            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  1  1  1  4 23 50 70  5  4  3  2  9 61117123  5            
MAX LVORI            3  3  3  3  2  1  1  3  3  3  3  3  1  1  1  2            
STABILITY            G  F  F  B  C  C  C  F  F  F  F  B  A  A  A  F            
CEILING              None  None  None  1800  8800  None  None  None  None      
STA PRES            27.89 27.89 27.88 27.79 27.78 27.79 27.81 27.76            


Date           05/03Sun 05/04/25Mon 05/05/25Tue 05/06/25Wed 05/07/25
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      50      70      49      69      51      74      53      77
TEMP          72 63 54 54 70 62 54 55 69 61 55 56 72 66 57 58 76 67
DEWPT         53 49 45 46 45 45 44 46 47 46 45 47 48 48 46 48 49 50
RH            51 60 71 74 41 54 69 72 45 58 69 72 42 52 67 69 39 54
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR           80      40      50      30      50      40      40      20      30
RAIN SHWRS    NM  O SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS SC
TSTMS            IS SC IS 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