National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Thu Nov 27 2025

NCZ003-272100-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
1231 PM EST Thu Nov 27 2025

Date             Thu 11/27/25            Fri 11/28/25            Sat 11/29/25
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EST 3hrly     04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19

MAX/MIN TEMP                 46          25          41          21          42
TEMP                   43 43 35 32 29 27 28 34 38 38 31 27 25 22 22 32 40 41 33
DEWPT                  14 13 14 16 16 15 13 13 12 10 12 13 12 12 11 12 12 13 15
MAX/MIN RH                   29          60          31          69          29
RH                     30 29 41 51 58 60 53 41 34 31 45 55 57 65 62 43 31 31 47
WIND DIR               NW NW NW NW NW NW  W NW NW NW NW NW NW NW  N  E SE SE SE
WIND SPD                9 10 10  9  9  9 10 11  9  6  5  3  2  2  2  1  2  2  2
CLOUDS                 B2 FW CL CL CL CL CL CL FW CL FW FW FW FW FW SC SC FW SC
CLOUDS(%)              73 11  3  1  2  3  2  4  6  4  6  6 22 18 25 28 26 22 39
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10                  
POP 12HR                      0           0           0           0           0
MIX HGT                 4  5 <1 <1 <1 <1 <1  4  5  5 <1 <1 <1 <1 <1  2  3  3 <1
T WIND DIR              W  W  W  W NW NW  W NW NW NW NW NW NW SW SW SE  S  S SE
T WIND SPD             13 16 12 10 11 11 12 21 14 13  9 13  6  1  1  1  5  5  1
DISPERSION                   FR PR PR PR             PR VP VP VP             VP
ADI                    38 65  8  7  8  8 14 84 62 56  4  6  3  1  1  3 21 21  1
MAX LVORI               1  1  2  2  2  3  2  1  1  1  2  2  3  3  3  2  2  2  2
STABILITY               D  C  E  E  E  E  C  C  C  C  F  G  G  G  B  B  B  B  G
CEILING                    None  None  None  None  None  None  None  None  None
STA PRES                  29.04 29.06 29.07 29.15 29.19 29.28 29.31 29.35 29.28


Date          Sun 11/30/25Mon 12/01/25Tue 12/02/25Wed 12/03/25
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MIN/MAX TEMP       28      42      33      44      32      41      28      46
TEMP          29 32 39 41 37 33 42 38 33 32 39 37 31 28 44 38
DEWPT         17 18 31 37 33 29 28 27 27 28 31 31 28 25 26 28
RH            60 56 73 85 85 85 57 64 78 85 73 79 88 88 49 67
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B2 B2 OV B2 B2 B1 B1 B2 B2 B2 B2 B1 SC FW FW
POP 12HR           10      60      40      20      40      50      30      10
RAIN                 C  L  C  S  S     S  C  C  C  C         
SNOW                                                  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