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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
431 PM EST Mon Dec 15 2025

NCZ006-160900-
RAWS 310801
36.37N  79.29W Elev. 580 ft
431 PM EST Mon Dec 15 2025

Date           12/15/25      Tue 12/16/25            Wed 12/17/25            Thu
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                 22          49          29          55          31
TEMP             27 25 25 24 23 35 46 47 35 31 31 31 31 43 53 55 47 40 37 34 32
DEWPT             7  7  7  8  9 12 14 20 21 21 22 22 22 26 28 30 31 31 31 32 31
MIN/MAX RH                   55          27          71          37          95
RH               42 46 46 50 54 38 27 34 56 66 69 69 69 51 38 38 53 70 79 92 96
WIND DIR          S SW SW SW SW  W SW SW  S SW SW SW SW SW SW SW SW SW  N  E SE
WIND SPD          2  3  3  2  2  2  2  2  2  2  2  4  4  5  5  4  1  1  0  1  1
CLOUDS           CL CL SC SC FW CL CL CL CL FW FW FW SC B1 B2 B2 B2 B1 B1 SC SC
CLOUDS(%)         5  5 29 34  6  5  5  4  5  6  8 20 43 60 74 73 72 62 60 43 43
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           0           0           0           5
MIX HGT          <1 <1 <1 <1 <1 <1  2 <1 <1 <1 <1 <1 <1  1  2 <1 <1            
T WIND DIR        S SW SW SW  W  W SW  S  S  S SW SW SW SW SW SW  S            
T WIND SPD        6  9  8  5  5  3  3  5  5  6  6  5  6 12 11  5  3            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI               3  4  4  3  6  4 10  6  3  3  3  3  5 17 24  4  2            
MAX LVORI         2  2  2  2  2  2  2  2  2  3  3  3  3  2  2  2  2            
STABILITY         G  G  G  G  B  B  B  B  G  G  G  F  C  C  C  C  F            
CEILING              None  None  None  None  None  None 26200 19700  7800      
STA PRES            29.63 29.60 29.64 29.57 29.56 29.52 29.50 29.48            


Date           12/18Fri 12/19/25Sat 12/20/25Sun 12/21/25Mon 12/22/25
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       58      42      53      25      53      37      60      35      55
TEMP          53 53 56 44 50 38 29 27 50 44 39 38 58 52 42 36 52 48
DEWPT         41 50 54 42 26 21 19 19 23 28 29 33 40 42 38 35 34 35
RH            64 89 93 93 39 50 66 71 34 53 67 82 51 69 86 96 50 60
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 OV SC FW FW FW FW FW FW SC SC SC SC SC B1 SC
POP 12HR           40      80      10       0       0       5      10      20      20
RAIN                                                              S
RAIN SHWRS       SC NM  O                                  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