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

NCZ019-300900-
RAWS 312001
36.23N  81.32W Elev. 2380 ft
301 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                 34          54          41          53          41
TEMP          56 47 42 38 34 35 43 51 54 46 44 43 43 43 49 52 52 49 47 45 43 42
DEWPT         23 22 19 19 21 22 23 25 27 30 34 34 36 40 45 48 49 44 41 39 39 38
MIN/MAX RH                   61          35          89          75          89
RH            27 37 39 46 58 59 45 36 35 53 68 70 76 89 86 86 89 83 79 79 86 86
WIND DIR       W SW  W  W  W  W SW  S  S SW  S  S  S  S SW SW SW  W  W  W NW NW
WIND SPD      12 10  6  3  2  2  3  5  4  3  2  3  3  4  6  8  6  6  6  6  5  3
WIND GUST     27                                                               
CLOUDS        SC FW FW SC SC SC SC SC B2 OV B2 OV OV OV OV B2 B2 B1 SC SC SC B1
CLOUDS(%)     31 12  7 27 41 30 35 44 81 94 86 93 88 92 93 87 85 58 34 30 36 53
VSBY          10 10 10 10 10 10 10 10 10  7  6  7  6  6  6  6  6  7 10 10 10   
POP 12HR                      0          20          40          90          20
RAIN                                      C  C  C  C  C                        
RAIN SHWRS                                              NM  O  O IS            
LAL                                                                            
HAINES                                                                         
MIX HGT        3 <1 <1 <1 <1 <1  1  3  2 <1 <1 <1 <1 <1  1  1  1 <1            
T WIND DIR    NW  W NW  W NW  W  S  S SW SW SW SW SW SW SW SW SW  W            
T WIND SPD    25 11  8  4  4  1  4  9  4  2  4  5  6  8 13 13  5  6            
DISPERSION       FR PR VP VP             VP VP VP VP             PR PR PR PR   
ADI           85  8  4  2  2  1  8 29  9  1  2  3  3  9 20 20  7  5            
MAX LVORI      1  2  2  2  3  3  2  2  2  3  3  3  4  5  4  4  5  5            
STABILITY      C  E  F  G  F  B  B  B  D  F  F  F  F  D  D  D  D  E            
CEILING              None  None  None  7600  5900  3000   600   500  None      
STA PRES            27.90 28.00 28.11 28.07 28.03 27.87 27.78 27.71            


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      35      50      38      63      42      60      40      56
TEMP          54 45 39 36 45 43 40 40 60 51 46 43 59 50 42 41 54 49
DEWPT         37 36 33 32 36 37 36 36 41 42 40 39 41 39 36 36 40 40
RH            52 70 79 85 70 79 85 85 49 71 79 86 51 66 79 82 59 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW SC B1 B1 SC SC SC SC FW FW SC SC SC SC SC B1 B1
POP 12HR            0       5       5       0       0       5       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