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

NCZ006-300900-
RAWS 310801
36.37N  79.29W Elev. 580 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          59          45          64          41
TEMP          63 54 44 38 33 34 46 56 59 51 48 47 46 46 54 62 63 58 54 49 45 42
DEWPT         27 24 23 24 23 24 27 27 27 29 34 34 39 43 51 54 55 55 51 45 43 41
MIN/MAX RH                   76          29          91          69          94
RH            25 31 43 57 66 66 47 32 29 42 58 60 76 89 90 75 75 90 90 86 93 96
WIND DIR       W  W NW NW  W SW SW  S  S  S  S  S  S  S  S SW SW SW  W  W  W NW
WIND SPD       9  5  3  2  1  1  2  3  4  3  3  3  4  5 10 13 11  6  5  4  4  4
WIND GUST     26                                        21 26 21               
CLOUDS        SC FW FW FW SC SC FW FW SC B2 B2 OV OV OV OV OV OV OV B1 FW FW FW
CLOUDS(%)     26 23 21 21 34 40 12 16 45 78 85 92 97 96 94 92 89 93 56 15  7 11
VSBY          10 10 10 10 10 10 10 10 10  7  6  7  7  7  6  6  6  6  7 10 10   
POP 12HR                      0          10          40          80          60
RAIN                                      S  C  C  C  C                        
RAIN SHWRS                                              NM NM  O NM IS         
LAL                                                                            
HAINES                                                                         
MIX HGT        4 <1 <1 <1 <1 <1  1  3  3 <1 <1 <1 <1 <1  2  3  1 <1            
T WIND DIR     W  W NW NW  W  W  W SW  S  S  S  S  S  S  S SW SW SW            
T WIND SPD    25  9  8  4  2  2  4  5 12  5  6 10 10 10 19 19 18 19            
DISPERSION       PR VP VP VP             VP VP VP VP             PR PR VP VP   
ADI           98  4  4  2  1  2  8 21 42  3  3  5  7 11 34 44 28 13            
MAX LVORI      1  2  2  3  3  3  2  2  1  2  3  3  3  5  4  3  3  5            
STABILITY      C  F  G  G  G  A  B  B  B  F  F  F  E  D  D  D  D  E            
CEILING              None  None  None  None  8700  1600   500   400  None      
STA PRES            29.43 29.55 29.66 29.59 29.55 29.40 29.29 29.19            


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       59      31      54      39      68      41      63      36      59
TEMP          57 48 37 34 48 47 42 40 64 56 47 43 61 52 42 38 55 52
DEWPT         40 36 31 28 35 39 40 39 46 46 43 39 41 40 34 33 39 41
RH            53 63 79 78 60 74 93 96 52 69 86 86 48 63 73 82 55 66
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC B1 B1 SC SC SC FW FW SC SC SC SC SC B1 B1
POP 12HR            0       5       5       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