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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 PM EST Wed Jan 29 2025

VAZ024-300900-
RAWS 441631
37.63N  79.51W Elev. 865 ft
231 PM EST Wed Jan 29 2025

Date           01/29/25      Thu 01/30/25            Fri 01/31/25            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
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07

MIN/MAX TEMP                 31          55          43          56          41
TEMP          55 45 40 36 32 32 42 52 55 48 46 44 44 44 48 53 55 53 50 48 45 42
DEWPT         24 23 23 21 21 22 24 24 27 29 38 40 41 43 46 49 50 47 44 42 40 38
MIN/MAX RH                   70          33          95          81          86
RH            30 41 50 54 63 66 48 33 34 47 73 86 89 96 93 86 83 80 80 80 82 86
WIND DIR       W  W  W  W  W  W SW SW SW  S  S  S  S  S  S SW SW  W  W  W NW NW
WIND SPD      10  6  4  3  2  1  2  3  3  2  2  2  2  2  4  5  5  4  4  4  3  2
WIND GUST     33 24 18                      12             16 17 18 18 17 13   
CLOUDS        CL FW FW FW FW FW SC FW SC OV OV OV OV OV OV OV B2 B1 B1 SC SC SC
CLOUDS(%)      0  8 11  9 10  8 39 24 37 91100 97 97 95 92 93 81 68 52 38 46 31
VSBY          10 10 10 10 10 10 10 10 10  7  6  6  6  6  6  6  6  6  7 10 10   
POP 12HR                      0          20          80          90          50
RAIN                                      C  D  D  D  D                        
RAIN SHWRS                                               O  O  O SC IS         
LAL                                                                            
HAINES                                                                         
MIX HGT        4  1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1 <1  1  1 <1            
T WIND DIR     W  W NW NW  W SW  W SW  S  S SW SE  S  S SW  S  S  W            
T WIND SPD    32 11  9 10  2  3  5  6 11  4  5  1  3  5  4 10  9 11            
DISPERSION       PR VP VP VP             VP VP VP VP             VP VP VP VP   
ADI          125  5  4  5  1  3 16 24 37  2  5  1  2  4  6 14 13  8            
MAX LVORI      1  2  2  2  3  3  2  2  1  2  3  6  6  6  6  4  4  4            
STABILITY      C  F  F  G  G  A  B  B  B  F  D  F  F  C  D  D  D  E            
CEILING              None  None  None  None  3900  3500  1100   500  None      
STA PRES            28.49 28.60 28.72 28.65 28.61 28.45 28.35 28.24            


Date           02/01Sun 02/02/25Mon 02/03/25Tue 02/04/25Wed 02/05/25
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MAX/MIN TEMP       56      31      48      38      66      40      58      35      54
TEMP          54 45 36 33 44 44 40 40 62 54 46 41 56 47 39 36 50 47
DEWPT         34 33 28 28 30 35 36 37 44 42 40 36 38 35 31 30 35 37
RH            46 62 72 82 57 70 85 89 52 64 79 82 51 63 73 79 56 68
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW SC SC B1 B1 B1 B1 SC SC B1 B1 SC SC SC B1 B1 B1
POP 12HR            0       0       0       0       0       0       5       5      10

$$


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
LAL(CATEGORY).......................Lightning Activity Level
HAINES(CATEGORY)....................Haines Index
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