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 Fri Feb 28 2025

NCZ005-282100-
RAWS 310540
36.38N  79.70W Elev. 858 ft
701 AM EST Fri Feb 28 2025

Date             Fri 02/28/25            Sat 03/01/25            Sun 03/02/25
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                 60          43          65          26          43
TEMP                48 57 60 54 50 48 43 43 55 61 60 46 40 34 28 26 34 43 43 39
DEWPT               27 25 25 27 29 29 30 30 36 33 28 24 20 17 13 10  8  8  8 11
MAX/MIN RH                   26          63          30          53          23
RH                  44 29 26 35 44 47 60 60 49 35 29 42 44 49 53 50 33 23 23 31
WIND DIR             W  W SW SW SW SW SW SW  W  W NW NW  N  N NW NW  N NW NW  W
WIND SPD             8  8 10  8  9  8  8  8 10 13 14 13 13 11  9  8  8  5  4  2
WIND GUST                                         25 25 24                     
CLOUDS              CL FW CL CL CL CL FW FW FW FW SC SC FW FW FW CL CL CL CL CL
CLOUDS(%)            0  8  0  4  4  4  8 15 12 19 40 37 24  9  8  5  3  3  2  3
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           0           0           0           0
MIX HGT              4  4  5 <1 <1 <1 <1 <1  3  7  7  3  1  1  1  1  4  5  6 <1
T WIND DIR          NW  W SW SW SW SW SW SW  W  W  W NW  N  N  N  N  N  N NW  S
T WIND SPD          14 10 16  8 10  9 10  8 18 20 19 25 27 21 19 17 12  9  8  1
DISPERSION                   PR PR PR PR             FR FR FR PR             VP
ADI                 70 51 64  5  7  6  7  8 64 97 67 34 25 15 13 29 59 50 51  1
MAX LVORI            1  1  1  2  2  2  3  3  1  1  1  1  2  2  2  2  1  1  1  2
STABILITY            B  B  C  E  E  E  E  B  C  C  D  D  D  E  E  B  B  B  B  G
CEILING              None  None  None  None  None  None  None  None  None  None
STA PRES            29.24 29.12 29.05 28.99 28.99 29.02 29.22 29.35 29.44 29.39


Date          Mon 03/03/25Tue 03/04/25Wed 03/05/25Thu 03/06/25
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       23      50      34      60      50      68      43      53
TEMP          29 25 47 44 36 35 57 55 51 53 65 62 51 43 52 45
DEWPT         12 12 16 21 24 28 36 39 44 49 55 51 38 28 28 23
RH            48 57 28 39 61 75 45 55 77 86 70 67 61 55 39 41
WIND SPD          <15     <15     <15     <15     <15     15>     <15     15>
AVG CLOUDS    CL FW FW SC SC B1 B1 B1 B1 B2 OV OV SC SC SC SC
POP 12HR            0       0       5      20      50     100      20       5
RAIN                             S  S     C  ?  ?  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