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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 AM EST Tue Dec 9 2025

NCZ003-100900-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
1231 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                 21          34          26          48          30
TEMP                   25 24 22 26 31 33 31 27 28 30 31 36 46 47 43 40 37 33 30
DEWPT                  22 22 21 23 25 27 27 27 27 29 30 33 35 35 35 33 30 26 22
MIN/MAX RH                   99          77          99          62          76
RH                     88 92 96 88 78 78 85100 96 96 96 89 65 63 73 76 75 75 72
WIND DIR               NE  E NE  S SW SW SW SW SW SW SW SW SW SW  W  W  W  W NW
WIND SPD                8  4  3  2  4  4  4  5  5  8  9  9 10 10 12 12 11 10  8
WIND GUST                                               19 20                  
CLOUDS                 B1 B2 SC SC B1 B1 SC FW B2 B2 OV B1 B2 B1 SC FW SC FW SC
CLOUDS(%)              57 75 32 37 51 54 34 19 72 81 90 65 70 57 37 24 39 24 31
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5           0           0          10          10
SNOW                                                                           
MIX HGT                 1  1 <1  2  2  2 <1 <1 <1 <1 <1  1  2  1 <1 <1 <1 <1 <1
T WIND DIR             NE  E  E  S SW SW SW SW SW SW SW SW SW SW SW  W  W NW NW
T WIND SPD              8  4  6  3  8 11  6  8 10 10 10 11 13  6  5  6  6 13  8
DISPERSION             PR VP             VP PR PR PR             FR FR FR FR   
ADI                     7  3  8  7 22 22  3  4  7  9 11 18 26 10  5  6  5  9  6
MAX LVORI               5  8  6  5  3  3  5  9  6  6  5  4  2  2  4  4  4  3  3
STABILITY               D  E  B  B  C  D  F  F  E  D  D  D  D  D  D  D  E  E  C
CEILING                   22400  None  None  None   400   300  None  None  None
STA PRES                  29.15 29.15 29.04 28.99 28.87 28.74 28.65 28.73 28.81


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       42      27      44      30      50      34      44      18      34
TEMP          40 35 30 29 41 39 35 31 48 42 38 34 42 31 22 19 31 29
DEWPT         23 23 23 23 25 28 29 26 28 29 30 27 21 15  7  5  6 10
RH            50 61 75 78 52 64 78 81 46 60 73 75 43 51 52 54 34 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 B1 SC SC SC SC FW SC B1 SC FW FW FW FW SC
POP 12HR            0       5      10       5       5      20      10       5       5
RAIN                                            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