National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
701 AM EST Mon Nov 17 2025

VAZ018-172100-
RAWS 444002
37.56N  80.18W Elev. 2702 ft
701 AM EST Mon Nov 17 2025

Date             Mon 11/17/25            Tue 11/18/25            Wed 11/19/25
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                 51          35          55          46          64
TEMP                43 49 49 41 38 37 35 36 48 54 52 47 47 47 47 48 57 63 62 54
DEWPT               18 18 18 17 18 17 18 20 24 28 32 34 40 43 45 45 51 53 52 49
MAX/MIN RH                   28          53          35          92          67
RH                  36 29 29 37 44 44 49 52 39 36 46 60 76 86 93 89 80 70 70 83
WIND DIR            NW NW NW NW NW NW  W  W  S SE SE SE  S  W  W  W  W  W  W  S
WIND SPD            13 11 10  8  6  5  4  2  2  4  3  2  2  2  2  2  2  3  2  2
WIND GUST           31 26 24                               12 12               
CLOUDS              CL CL CL CL FW FW FW SC B1 B2 B2 OV OV B1 B2 B2 B1 B2 B1 B2
CLOUDS(%)            2  5  2  4 22 10 19 33 65 86 86 94 90 69 71 73 67 70 65 76
VSBY                10 10 10 10 10 10 10 10  9  9  9  9  5  2  4  6  9  9  9  9
POP 12HR                      0           5          50          80           5
RAIN                                      S  S  C  C  D  D  C  C              S
MIX HGT              2  3  3 <1 <1 <1 <1 <1 <1  1 <1 <1 <1 <1 <1 <1  1  2  2 <1
T WIND DIR          NW NW  W  W NW  W  W  W  W SE SE SE  S SW  W NW NW  W  W SE
T WIND SPD          24 21 21  9  8  4  3  3  3  8  9  6  4  4  6  5 17  9  8  2
DISPERSION                   PR PR PR VP             VP VP VP VP             VP
ADI                 48 68 65  4  4  2  2  3  3 11  7  3  2  2  3  4 23 25 19  1
MAX LVORI            1  1  1  2  2  2  2  2  2  2  2  3  3  5  6  6  3  3  3  5
STABILITY            C  C  C  F  F  G  G  B  B  C  C  F  F  F  F  C  C  C  C  F
CEILING              None  None  None  None  8200  5000  3800   400   100   800
STA PRES            27.72 27.76 27.83 27.88 27.89 27.81 27.78 27.83 27.90 27.90


Date          Thu 11/20/25Fri 11/21/25Sat 11/22/25Sun 11/23/25
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       49      66      52      68      54      66      48      62
TEMP          51 49 64 56 53 54 67 59 58 54 65 55 53 49 61 51
DEWPT         47 45 52 49 48 50 56 52 50 48 52 48 46 42 45 42
RH            86 86 65 77 83 86 68 78 75 80 63 77 77 77 56 71
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC
POP 12HR           20      10      40      40      50      40      30      20
RAIN           S           C  C  C  C  C  C  C  C  C  C  S  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