National Weather Service United States Department of Commerce

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

WVZ043-100900-
RAWS 465401
37.53N  81.00W Elev. 2725 ft
205 AM EST Tue Dec 9 2025

Date           12/08/25      Tue 12/09/25            Wed 12/10/25            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                 20          38          29          42          25
TEMP                      23 21 27 35 36 32 30 32 34 36 40 41 40 36 32 30 27 25
DEWPT                     23 20 23 24 27 23 24 25 26 27 30 32 34 33 30 27 24 22
MIN/MAX RH                  100          64          78          68          90
RH                       100 96 85 64 69 69 78 75 72 69 67 70 79 89 92 88 88 88
WIND DIR                   S  S  S SW SW SW SW SW SW SW SW  W  W  W  W  W  W  W
WIND SPD                   3  4  4  5  5  5  6  6 10 12 13 14 13 13 13 13 13 11
WIND GUST                                16 17 18 24 28 31 29 28 28 28 27 26 25
CLOUDS                    OV B2 B2 SC B1 SC SC SC B1 B1 B2 B2 OV OV OV B2 B2 B2
CLOUDS(%)                 90 78 71 45 59 41 30 44 63 61 79 82 98100100 82 77 81
VSBY                      10 10 10 10 10 10 10 10 10 10 10  6  6  2  1  5  5  6
POP 12HR                     40           0           5          80          90
RAIN                                                        C  D  D            
SNOW                                                              D  D  C  C  S
MIX HGT                    1 <1  1  2  1 <1 <1 <1 <1 <1  2  3  3  2  2  2  2  2
T WIND DIR                 S  S  S SW SW  S SW SW SW SW SW  W  W  W  W NW NW NW
T WIND SPD                 4  4  9 10 12  8  9  9 11 11 24 32 18 20 14 26 26 24
DISPERSION                VP             PR PR PR FR             FR FR FR FR   
ADI                        2  5 14 25 18  5  4  6 10 13 46 72 43 23 17 30 30 43
MAX LVORI                  9  7  4  3  3  3  4  4  3  3  1  1  3  4  4  4  4  4
STABILITY                  F  D  D  C  D  E  F  E  D  D  D  D  D  D  D  D  D  D
CEILING                           200  None  None  8000  7500   800   500   600
STA PRES                        27.69 27.58 27.52 27.40 27.29 27.28 27.37 27.45


Date           12/11Fri 12/12/25Sat 12/13/25Sun 12/14/25Mon 12/15/25
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       29      24      35      27      38      21      26       9      30
TEMP          28 27 26 25 33 33 32 27 35 33 30 22 25 17 12 10 26 25
DEWPT         20 21 21 22 26 28 29 25 25 24 24 19 14  8  5  3 10 12
RH            71 78 81 88 75 82 88 92 66 69 78 88 62 67 73 73 50 57
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B2 B1 B1 SC SC SC SC
POP 12HR           20      40      40      30      20      40      20      10      10
RAIN                          C  C        S  C                     
SNOW           S  S  S  C  C  C  C  S  S  S     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