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

NCZ018-300900-
RAWS 311941
36.22N  81.63W Elev. 3254 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          51          39          50          38
TEMP          48 42 38 34 31 33 43 49 51 42 40 41 42 43 46 49 48 46 44 42 40 39
DEWPT         24 20 19 19 20 19 21 23 26 29 33 34 38 41 44 48 47 41 40 39 38 37
MIN/MAX RH                   65          36          90          82          97
RH            39 41 46 54 63 56 41 36 37 60 76 76 86 93 93 96 96 83 86 89 92 92
WIND DIR      NW NW NW NW  W  W SW  S  S  S  S  S  S  S  S SW  W  W  W NW NW NW
WIND SPD      24 20 16 10  5  2  4  8  6  3  4  5  5  6 10 10 11 11 12 11 10  5
WIND GUST     48 44 34 21                14 16 17 18 19 23 21 24 26 29 28 24 18
CLOUDS        FW FW CL FW SC SC SC B1 B2 OV OV OV OV OV OV OV B2 B1 SC B1 B1 B1
CLOUDS(%)      8  6  5  8 33 32 36 55 87 93 91 92 88 90 92 89 82 59 50 53 58 67
VSBY          10 10 10 10 10 10 10 10  7  7  6  6  6  6  6  6  6  7 10 10 10   
POP 12HR                      0          30          70          90          20
RAIN                                   S  C  C  C  L  L                        
RAIN SHWRS                                               O  O  O IS            
LAL                                                                            
HAINES                                                                         
MIX HGT        2 <1 <1 <1 <1 <1 <1  1  1 <1 <1 <1 <1 <1 <1  1  1 <1            
T WIND DIR    NW NW NW NW NW NW  S  S SW  S  S  S SW  S SW  W  W  W            
T WIND SPD    34 18 16 10  8  4  5  8  4  4  8  9 10 12 21 12  8 11            
DISPERSION       GD GD FR PR             VP VP PR PR             FR FR FR FR   
ADI           65 16 14  7  4  5  6 13  7  2  5  6  7 14 28 18 13 10            
MAX LVORI      1  2  2  2  3  3  2  2  2  3  4  4  4  5  4  5  5  4            
STABILITY      D  D  D  E  F  B  B  D  D  F  E  E  E  D  D  D  D  D            
CEILING              None  None  None  5400  4500  1700   700   700  None      
STA PRES            26.84 26.93 27.02 26.99 26.96 26.81 26.73 26.67            


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       50      33      45      36      57      40      54      38      51
TEMP          47 41 36 34 42 39 37 39 55 47 43 41 53 45 40 40 49 45
DEWPT         36 36 34 31 37 37 35 34 39 40 40 38 40 39 36 35 40 40
RH            65 82 92 89 82 92 92 82 55 76 89 89 61 79 85 82 71 82
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW SC B1 B1 SC SC SC SC FW SC SC SC SC SC SC B1 B1
POP 12HR            0       5       5       5       0       5       5      10      20
RAIN SHWRS                                                       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
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