National Weather Service United States Department of Commerce

Print This Forecast (Printer-Friendly)

EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1101 AM EST Wed Nov 19 2025

NCZ003-192100-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
1101 AM EST Wed Nov 19 2025

Date             Wed 11/19/25            Thu 11/20/25            Fri 11/21/25
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                 70          46          61          51          68
TEMP                   66 67 58 54 51 49 47 52 59 62 55 52 51 51 52 56 64 67 61
DEWPT                  51 52 53 52 48 46 45 46 48 48 49 49 49 50 50 54 55 57 56
MAX/MIN RH                   58          93          60          96          69
RH                     58 59 83 93 89 89 93 80 67 60 80 89 93 96 93 93 73 70 84
WIND DIR               NW  N NE  E  E  E  E  E  S  S  S  S SW SW SW SW SW SW SW
WIND SPD                4  2  2  3  5  4  2  2  2  2  1  1  1  2  2  2  4  3  2
CLOUDS                 SC SC B1 B1 B2 B2 OV B1 SC SC B1 B1 B2 OV OV B2 B2 B2 B2
CLOUDS(%)              39 37 55 64 73 87 91 61 49 50 67 64 83 94 95 85 81 78 87
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     10           5           0          20          20
RAIN                                                        S  S  S  S        C
MIX HGT                 3  2 <1 <1 <1 <1 <1  1  2  2 <1 <1 <1 <1 <1 <1  1  1 <1
T WIND DIR              E NE  E  E  E  E  E SE  S  S SE  S  S  S  S SW SW SW SW
T WIND SPD              2  2  5  9  6  5  3  3  4  3  3  3  4  5  8  8  9  8  3
DISPERSION                   VP VP PR VP             VP VP VP VP             VP
ADI                     8  5  3  4  5  4  4  5 11  8  2  2  2  3  6  6 14 15  2
MAX LVORI               3  3  5  6  6  6  6  4  3  3  5  7  6  6  6  6  3  3  5
STABILITY               B  B  F  F  E  E  C  C  B  B  F  F  F  F  C  C  D  C  F
CEILING                    None  1600  1300  None  None  1300  1200   500   400
STA PRES                  29.02 29.07 29.09 29.10 29.05 29.04 29.00 28.98 28.90


Date          Sat 11/22/25Sun 11/23/25Mon 11/24/25Tue 11/25/25
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       55      72      48      66      45      65      46      61
TEMP          58 56 70 59 53 49 63 58 50 45 63 56 49 46 58 55
DEWPT         56 54 57 53 50 47 48 47 44 43 43 42 42 41 41 43
RH            93 93 63 80 89 93 58 67 80 93 48 59 77 83 53 64
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 B2 B2
POP 12HR           50      30      10      10      10      10      20      20
RAIN           C  C  C  S                             S  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