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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
301 PM EST Tue Dec 9 2025

VAZ020-100900-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
301 PM EST Tue Dec 9 2025

Date           12/09/25      Wed 12/10/25            Thu 12/11/25            Fri
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                 24          45          28          34          24
TEMP          29 28 25 27 29 31 38 45 43 38 37 35 31 28 31 34 32 28 27 27 26 25
DEWPT         22 20 20 19 22 24 28 32 32 31 28 24 22 19 18 17 17 16 16 16 17 17
MIN/MAX RH                   81          60          75          48          73
RH            75 71 81 71 75 75 67 60 65 76 70 64 69 68 58 49 53 60 63 63 68 71
WIND DIR       S  S SW SW SW SW SW SW  W  W  W  W  W  W  W  W  W  W  W  W  W  W
WIND SPD       2  2  2  2  3  4  4  4  5  6  8  6  6  5  4  4  4  3  4  3  3  2
WIND GUST                       14 17 17 20 21 20 19 16 14       13            
CLOUDS        SC SC SC B1 B1 B2 B2 B2 B2 B2 B1 B1 B1 SC SC SC B1 B1 B1 B1 B1 B1
CLOUDS(%)     45 39 40 52 65 70 78 83 78 71 63 57 51 41 34 42 51 52 51 55 60 67
VSBY          10  2  9 10 10 10 10  3  2  6  4 10 10 10 10 10 10 10            
POP 12HR                      5          60          40          10          10
RAIN                                C  L  C  C                                 
SNOW                                         C                                C
MIX HGT       <1 <1 <1 <1 <1 <1  2  3  2  2  1  2  2  1  3  4  3 <1            
T WIND DIR    SW  S SW SW SW SW SW  W  W  W  W NW NW NW NW  W  W  W            
T WIND SPD    11  8  4  2  2  6 14 35 23 18 21 26 25 23 24 21 18 19            
DISPERSION       VP VP VP VP             PR PR PR PR             VP VP VP VP   
ADI           15  4  2  1  1  8 29 86 48 12 20 18 17 33 76 78 45  9            
MAX LVORI      4  3  5  3  3  3  3  1  1  3  3  2  3  3  1  1  1  3            
STABILITY      B  G  G  F  F  D  D  D  D  E  D  E  E  C  C  C  D  F            
CEILING              None  7100  6600  1800  1600  None  None  None  None      
STA PRES            27.71 27.59 27.44 27.42 27.50 27.58 27.65 27.65            


Date           12/12Sat 12/13/25Sun 12/14/25Mon 12/15/25Tue 12/16/25
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       38      26      41      24      33      12      31      20      40
TEMP          37 32 33 27 40 33 31 25 32 20 15 12 30 23 22 21 39 30
DEWPT         20 22 24 21 22 19 21 17 11  4  0  0  5  7  9 12 18 16
RH            50 66 69 78 48 56 66 71 41 49 50 58 34 50 57 68 42 55
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B1 SC SC B1 B1 SC SC SC FW FW SC B1 B1 SC SC
POP 12HR           40      20      10      30      10       5      10      20      20
FRZG RAIN                           C                       S      
RAIN                 S                                         S   
SNOW           C  C  S                                             

$$


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