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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 PM EST Thu Dec 25 2025

VAZ024-260900-
RAWS 441631
37.63N  79.51W Elev. 865 ft
701 PM EST Thu Dec 25 2025

Date           12/25/25      Fri 12/26/25            Sat 12/27/25            Sun
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                 36          41          40          65          38
TEMP                51 46 43 38 36 38 40 40 42 45 45 48 55 64 64 51 44 41 39 38
DEWPT               46 41 36 32 29 28 30 33 39 44 45 46 49 46 45 43 40 38 37 36
MIN/MAX RH                   83          67          97          49          92
RH                  83 83 76 79 75 67 67 76 89 96100 93 80 52 50 74 86 89 92 92
WIND DIR             N NE  E  E  E SE  S SE  S  W  W NW NW NW  N  E  E SE SE  S
WIND SPD             3  3  2  2  2  3  4  2  2  2  2  2  2  2  2  2  1  1  1  1
WIND GUST                                13                                    
CLOUDS              B1 B2 B2 OV OV B2 OV B2 B2 B1 B1 SC SC SC SC B1 B1 B2 OV OV
CLOUDS(%)           58 76 75 91 91 86 88 85 75 55 54 43 31 26 34 56 56 81 89 91
VSBY                10 10 10 10 10  8  8  7  6  5  6 10  8  8  8  8  8  8 10   
POP 12HR                     10          20          20           0           5
RAIN                          S        S  S  S                                 
MIX HGT             <1 <1 <1  1  2  2  2  1 <1 <1  1  1  2  3  2 <1            
T WIND DIR          NE  E  E  E SE  S  S  S SW SW NW NW NW NW  S SE            
T WIND SPD           4  9  5  6  8  9 10  8  5  3  3  6 12  5  2  8            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  4  3 13 16 18 19  4  3  2  2 10 35 22  5  4            
MAX LVORI            6  5  5  4  3  2  2  3  5  8  8  5  3  2  2  3            
STABILITY            G  F  F  C  C  D  D  F  F  F  F  B  B  B  B  F            
CEILING             18900 10600  3200  1900   200  None  None  None  1000      
STA PRES            28.57 28.60 28.59 28.46 28.34 28.33 28.45 28.49            


Date           12/28Mon 12/29/25Tue 12/30/25Wed 12/31/25Thu 01/01/26
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       54      45      61      25      39      23      45      24      45
TEMP          49 49 47 52 58 43 32 25 38 32 25 24 44 38 30 26 44 38
DEWPT         39 42 44 48 46 27 16 12 11 11 12 12 14 16 18 18 19 20
RH            68 77 89 86 64 53 51 57 32 41 57 60 29 40 60 71 36 48
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV OV B2 B2 B2 B2 B1 SC FW FW FW FW FW FW SC SC SC FW
POP 12HR           10      30      60      10       0       0       0       5       0
RAIN                    C  L  C                                    

$$


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