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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
231 AM EST Sat Feb 21 2026

NCZ003-220900-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
231 AM EST Sat Feb 21 2026

Date           02/20/26      Sat 02/21/26            Sun 02/22/26            Mon
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EST 3hrly     16 19 22 01 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04 07

MIN/MAX TEMP                 48          58          40          46          28
TEMP                      52 49 50 55 58 55 51 50 46 42 43 44 41 35 33 31 29 28
DEWPT                     31 34 38 40 42 42 44 44 42 38 34 28 20 16 16 15 14 14
MIN/MAX RH                   62          42          88          43          55
RH                        44 56 63 57 55 61 77 80 86 86 70 53 42 45 49 51 53 55
WIND DIR                   W NW NW  W  S  S  S NW  N  N NW NW NW NW NW NW NW NW
WIND SPD                   4  4  3  2  2  2  3  5  8  9  9 12 17 19 17 17 17 16
WIND GUST                                                     27 35 32 31 29 26
CLOUDS                    OV OV OV B2 B1 B1 OV OV OV OV B1 B1 SC SC SC SC SC SC
CLOUDS(%)                100100 88 82 61 62100100100100 59 57 41 35 27 29 28 33
VSBY                      10 10 10 10 10 10 10  6  7  9 10  9 10 10 10 10 10 10
POP 12HR                     30          40          70          30           5
FLURRIES                                                   SC SC       SC SC   
RAIN                       C  C  C              L  L  C  C                     
SPRINKLES                                                  SC                  
MIX HGT                   <1 <1 <1  2  2 <1 <1 <1  1  1  3  5  6  4  3  4  3  3
T WIND DIR                 W  N NW  W SW SW  S  S SW  N  N NW NW NW NW NW NW NW
T WIND SPD                 4  6  6  4  4  3  3  5  5 18 23 23 32 34 20 34 33 32
DISPERSION                VP             VP VP PR PR             GD GD GD GD   
ADI                        3  8  5 10 12  2  3  5  5 30 58 71103 46 28 46 45 83
MAX LVORI                  2  3  3  2  2  3  4  4  5  4  3  1  1  1  2  1  1  1
STABILITY                  E  D  C  C  C  F  D  D  D  D  D  D  D  D  D  D  D  D
CEILING                          5800  6200   400   300  2800  None  None  None
STA PRES                        28.99 28.97 28.94 28.85 28.84 28.86 28.87 28.84


Date           02/23Tue 02/24/26Wed 02/25/26Thu 02/26/26Fri 02/27/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EST 6hrly     13 19 01 07 13 19 01 07 13 19 01 07 13 19 01 07 13 19

MAX/MIN TEMP       39      24      45      30      55      45      58      40      57
TEMP          37 32 28 25 40 39 35 31 50 51 49 46 56 52 47 41 53 49
DEWPT         13 11 11 11 11 16 18 20 26 31 37 41 46 44 41 33 30 31
RH            37 41 48 55 30 39 49 63 39 46 63 83 69 74 79 73 41 50
WIND SPD          15>     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 B1 B1 SC
POP 12HR            5       0       0       0       0      20      60      60      20
RAIN SHWRS                                     IS SC NM NM SC IS   

$$


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