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

NCZ003-220900-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
231 PM EST Sat Feb 21 2026

Date           02/21/26      Sun 02/22/26            Mon 02/23/26            Tue
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                 37          43          24          35          21
TEMP          60 55 51 48 43 39 42 43 39 32 29 27 25 24 29 34 35 31 28 25 24 23
DEWPT         43 45 46 43 38 35 32 26 20 17 15 14 13 13 14 14 13 13 13 12 12 11
MIN/MAX RH                   86          45          61          40          64
RH            53 69 83 83 82 85 67 51 46 53 55 57 60 62 53 43 40 47 53 57 60 59
WIND DIR       S  N  N NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW NW
WIND SPD       1  0  0  2  3  6 10 11 13 11 13 13 14 16 17 14 14 10 10 10  8  5
WIND GUST                 14 20 23 25 31 34 39 40 41 41 40 34 34 33 35 32 27 19
CLOUDS        B1 OV OV OV OV B2 SC SC B1 SC SC SC SC B1 B1 B1 B1 SC SC SC SC SC
CLOUDS(%)     68 90 96100100 79 45 49 58 35 35 42 50 54 56 60 59 47 32 33 39 33
VSBY          10 10  9  8  8  8  8  9  9  9 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                     80          20          20           5           5
RAIN                 C  D  C  S  S                                             
SNOW                                      S  S  S  S                           
MIX HGT        3 <1  1  1  1  2  3  5  5  3  3  3  3  3  4  5  5  3            
T WIND DIR    SE SE SE SE  N  N NW NW NW NW NW NW NW NW NW NW NW NW            
T WIND SPD     2  6  9  8 16 25 24 27 40 42 37 43 41 39 43 41 36 39            
DISPERSION       VP VP VP VP             FR FR FR GD             FR FR FR PR   
ADI            7  3  4  9 18 48 83111121 29 51 59 56 92127128115 53            
MAX LVORI      2  3  5  4  4  4  1  1  1  2  1  1  1  1  1  1  1  1            
STABILITY      C  F  F  D  D  D  C  C  D  E  D  D  D  D  D  D  D  D            
CEILING              1800   700  None  None  None  None 35000  None  None      
STA PRES            28.04 27.99 27.97 27.96 27.96 27.92 27.95 28.01            


Date           02/24Wed 02/25/26Thu 02/26/26Fri 02/27/26Sat 02/28/26
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       45      32      55      44      56      38      56      34      59
TEMP          41 37 33 34 52 49 47 45 54 52 46 39 52 46 39 35 55 50
DEWPT         11 15 18 21 30 35 40 41 46 44 40 34 31 33 31 30 36 38
RH            29 40 53 58 43 58 76 86 74 74 79 82 44 60 73 82 49 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC B1 B2 B1 B2 B2 B2 B2 B2 B1 SC SC FW FW FW FW SC
POP 12HR            0       0       5      30      60      60      20      10      10
RAIN                                C  C        C  S               
RAIN SHWRS                               NM NM                     

$$


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