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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
331 AM EDT Sun Apr 26 2026

NCZ003-262000-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
331 AM EDT Sun Apr 26 2026

Date             Sun 04/26/26            Mon 04/27/26            Tue 04/28/26
UTC 3hrly     09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
EDT 3hrly     05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20

MAX/MIN TEMP                 73          43          72          44          68
TEMP          53 55 65 70 71 64 54 49 46 46 60 69 72 66 54 49 44 47 56 63 68 66
DEWPT         53 54 56 55 54 50 47 45 43 42 43 43 43 44 42 42 42 43 49 53 55 55
MAX/MIN RH                   53          93          35          91          62
RH           100 96 73 59 55 60 77 86 89 86 53 39 35 45 64 77 93 86 77 70 63 68
WIND DIR      NW  N NE  E  E  E  E  E NE NE  E  E SE SE SE SE SE SE  S  S SW  S
WIND SPD       1  2  4  3  5  4  2  1  1  1  2  4  4  2  1  1  1  1  3  5  4  2
CLOUDS        B1 B1 B1 SC SC FW SC SC B1 SC FW FW FW FW FW SC SC B2 B2 B2 B1 B1
CLOUDS(%)     60 55 57 38 29 21 27 44 55 36 13 13 19 18 20 32 49 85 86 87 67 51
VSBY           0  2 10 10 10 10 10  9  5 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      5           0           0          20          80
RAIN SHWRS                                                 IS IS  O  O SC SC IS
TSTMS                                                                  IS    IS
Obvis          F                                                               
MIX HGT       <1 <1  3  4  4 <1  1  1  1  2  3  4  4 <1 <1 <1 <1  2  2  3  3 <1
T WIND DIR     N  N NE NE  E NE  E NE  E  E  E  E SE SE SE  S  S  S SW  S  S SW
T WIND SPD     5 11 10  6  9  9 10 10  9 10  9  6  8  8  5 17 14 11 10 10  9  8
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            3 14 33 34 42  4  5  5  4 27 38 33 43  4  3  8  7 23 23 30 31  4
MAX LVORI      9  5  3  1  1  3  4  5  5  4  1  1  1  2  3  4  5  4  3  3  1  3
STABILITY      F  B  C  A  A  F  G  F  F  A  A  A  A  G  G  G  F  B  B  C  C  F
CEILING              None  None  None  None  None  None  None  2400  1700   600
STA PRES            28.07 28.12 28.21 28.26 28.32 28.27 28.30 28.28 28.28 28.18


Date          Wed 04/29/26Thu 04/30/26Fri 05/01/26Sat 05/02/26
UTC 6hrly     06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MIN/MAX TEMP       52      72      46      67      39      68      41      65
TEMP          54 54 69 68 55 49 64 60 45 44 64 60 47 44 62 58
DEWPT         53 53 61 56 46 41 38 36 34 33 36 37 37 36 38 37
RH            96 96 76 65 72 74 38 41 65 65 35 42 68 73 41 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B2 OV OV SC SC FW FW FW FW FW B1 B1 B1 B1 SC
POP 12HR           50      90      20      10      10      30      40      30
RAIN SHWRS    IS SC  O  O IS IS             IS SC SC SC SC IS
TSTMS         IS    IS SC                                    

$$


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