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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EST Thu Dec 4 2025

WVZ043-050900-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
401 PM EST Thu Dec 4 2025

Date           12/04/25      Fri 12/05/25            Sat 12/06/25            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                 27          34          30          41          26
TEMP             27 27 28 28 28 28 32 33 32 32 32 31 32 36 40 39 33 31 29 27 27
DEWPT            24 24 26 27 27 27 28 31 31 31 31 31 31 33 32 32 31 29 27 25 26
MIN/MAX RH                  100          86         100          71          96
RH               88 88 92 96 96 96 85 92 96 96 96100 96 89 73 76 92 92 92 92 96
WIND DIR          N NE SE SE SE SE SE SE SE  S SW  W  W  W  W  W  W  W  W SW  S
WIND SPD          2  2  2  5  5  5  4  2  2  2  2  2  2  4  6  5  3  2  2  2  2
CLOUDS           B2 OV OV OV OV OV OV B2 OV OV OV B2 B2 B2 B1 B1 B1 SC SC B1 B1
CLOUDS(%)        77 93 95 93 94 95 95 87 91 88 91 81 84 82 57 58 56 43 45 52 65
VSBY             10  8  1  1  1  2  9  8  6  6  8  7  5  6 10 10 10 10  8 10 10
POP 12HR                    100          60           5           5           5
SNOW                 C  D  L  L                                                
MIX HGT          <1  1 <1 <1 <1  1  1 <1 <1 <1 <1 <1 <1  2  3  2 <1            
T WIND DIR        N  E SE SE SE SE  S  S  N SW SW  W  W SW  W  W  W            
T WIND SPD        3  4  6 11 11 12  5  2  0  3  6  5  8  8 12 12 12            
DISPERSION       VP VP VP PR             VP VP VP VP             VP VP VP VP   
ADI               2  2  3  8 13 19  8  2  0  2  3  3  6 13 29 27  6            
MAX LVORI         7  6  6  6  5  5  5  7  8  8  9  9  8  5  3  3  6            
STABILITY         F  F  F  E  D  D  D  C  F  F  F  F  C  D  D  D  F            
CEILING               500   100   500   700   700   700   700 10500  None      
STA PRES            27.73 27.68 27.65 27.57 27.54 27.50 27.52 27.51            


Date           12/07Mon 12/08/25Tue 12/09/25Wed 12/10/25Thu 12/11/25
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       41      25      30      19      39      28      42      30      35
TEMP          40 34 31 25 30 23 21 20 38 34 31 29 41 38 36 31 34 30
DEWPT         33 32 29 23 20 17 16 17 24 25 25 26 30 30 32 31 28 22
RH            76 92 92 92 66 77 81 88 57 69 78 88 65 73 85100 78 72
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 SC SC B1 B1 SC SC B1 B2 B1 B2 B2 B2 B2
POP 12HR           20      40      10      10      10      20      20      60      30
RAIN              S  C                                S  L  L  C  C
SNOW                    C                    S           S  L  C  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