National Weather Service United States Department of Commerce

Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
1231 PM EST Sun Nov 9 2025

VAZ020-092100-
RAWS 441801
37.99N  79.76W Elev. 2160 ft
1231 PM EST Sun Nov 9 2025

Date             Sun 11/09/25            Mon 11/10/25            Tue 11/11/25
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                 64          33          40          24          39
TEMP                   63 59 49 45 40 36 33 37 39 35 30 29 28 26 25 31 37 37 31
DEWPT                  47 42 37 34 29 26 24 22 19 17 15 15 14 12 13 14 14 14 14
MAX/MIN RH                   52          68          44          58          37
RH                     56 53 63 65 64 67 69 54 44 47 53 55 55 55 60 49 38 38 49
WIND DIR               SW  W  W  W  W  W NW NW NW NW NW NW NW  W  W  W  W  W SW
WIND SPD                4  5  6  6  8  6  8  8  5  6  8  9 10 11 11  9  8  6  5
WIND GUST                    17 19 18 17             19 21 23 25 24 23 19 17   
CLOUDS                 B1 B1 B2 B2 SC FW SC B1 B1 B2 B1 B1 B1 SC FW FW FW FW FW
CLOUDS(%)              69 59 78 86 37 25 27 53 68 70 58 66 62 44 22 25 23 14 25
VSBY                   10 10 10 10 10 10  9  5  5  9  9 10                     
POP 12HR                     20          20          30          30           0
RAIN SHWRS                                     IS IS                           
SNOWSHWRS                                            SC SC IS IS               
MIX HGT                 3  3  1  2  2  1  1  4  4  3  2  2  3  2  2  3  4  3 <1
T WIND DIR             SW  W  W  W  W NW NW NW NW NW NW NW NW  W  W  W  W  W SW
T WIND SPD             21 24 21 25 26 25 26 26 19 20 24 19 28 26 27 35 31 21 18
DISPERSION                   PR PR PR PR             PR PR FR FR             PR
ADI                    55 56 15 17 18 11 41 70 56 53 27 26 39 36 72121140 83  8
MAX LVORI               1  1  2  3  3  3  1  1  1  1  2  2  1  1  1  1  1  1  2
STABILITY               D  D  E  E  E  F  B  D  D  D  D  D  D  D  C  C  B  B  F
CEILING                       0     0  None  None     0     0  None  None  None
STA PRES                  27.56 27.62 27.61 27.63 27.64 27.67 27.71 27.77 27.77


Date          Wed 11/12/25Thu 11/13/25Fri 11/14/25Sat 11/15/25
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       30      54      36      53      32      57      36      60
TEMP          33 35 52 45 42 38 51 41 37 34 56 46 41 38 58 48
DEWPT         15 21 31 31 32 29 27 25 25 25 30 32 32 31 35 35
RH            47 56 44 58 67 70 39 52 61 69 37 58 70 76 42 60
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC FW FW FW FW SC SC FW FW FW FW FW SC SC SC SC
POP 12HR            0       0       0       0       0       5       5       0

$$


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