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

VAZ020-160900-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
701 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                 19          42          31          50          31
TEMP                24 23 23 21 28 40 39 33 32 33 35 36 45 50 47 39 35 34 33 32
DEWPT                3  3  3  5  7 12 17 18 19 19 20 20 23 27 30 29 28 26 26 27
MIN/MAX RH                   57          32          59          40          81
RH                  39 41 41 49 40 31 40 53 58 56 54 52 41 41 51 67 75 72 75 81
WIND DIR            SW  W  W  W  W SW SW SW  W  W  W  W  W  W  W  W NW NW NE  E
WIND SPD             3  4  4  4  2  2  2  2  2  3  3  4  4  3  2  2  2  2  1  1
WIND GUST                                               14 13                  
CLOUDS              SC FW CL CL CL CL FW FW FW FW SC B1 B1 B2 B1 B1 SC SC SC SC
CLOUDS(%)           29 18  3  3  4  4  7 13 14 21 31 59 68 75 58 52 42 39 37 30
VSBY                10 10 10 10  9  8  8  7  8 10 10 10  3  3  3 10            
POP 12HR                      0           0           0           5           5
MIX HGT             <1 <1 <1 <1 <1  1 <1 <1 <1 <1 <1 <1  1  2 <1 <1            
T WIND DIR          SW  W  W  W  W SW SW SW  W  W  W  W  W  W  W SW            
T WIND SPD           4  4  6  6  4  5  9  5  4  5  5  5 13 21 10  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  3  7  6 11 10  3  2  3  3  6 21 47 10  2            
MAX LVORI            2  2  2  2  2  2  2  2  3  3  2  2  2  1  2  3            
STABILITY            G  G  G  B  B  B  B  G  G  G  G  D  D  C  C  F            
CEILING              None  None  None  None  None  None  2400  3100  None      
STA PRES            27.91 27.91 27.97 27.91 27.88 27.84 27.84 27.85            


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       50      32      39      24      47      33      51      33      46
TEMP          50 44 47 34 37 29 25 25 46 36 35 37 50 41 38 33 46 38
DEWPT         33 38 42 28 17 12 13 14 17 22 24 29 36 32 31 29 28 27
RH            52 79 83 78 44 48 60 62 31 56 64 72 58 70 76 85 49 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 OV B2 SC FW FW SC FW SC SC B1 B1 B1 B1 B1 B1 B1
POP 12HR           30      90       5       5       5      10      20      20      20
RAIN                                                           S  S
RAIN SHWRS       SC  O NM                         IS IS IS IS      
SNOWSHWRS                                                  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