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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 AM EDT Thu Apr 23 2026

NCZ005-232000-
RAWS 310540
36.38N  79.70W Elev. 858 ft
401 AM EDT Thu Apr 23 2026

Date             Thu 04/23/26            Fri 04/24/26            Sat 04/25/26
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                 85          56          86          59          82
TEMP          53 56 76 83 84 76 67 63 58 60 79 85 84 76 68 64 60 62 76 81 79 71
DEWPT         46 46 47 45 44 47 46 48 48 49 49 46 45 47 49 50 51 53 56 55 57 56
MAX/MIN RH                   25          73          25          73          42
RH            77 69 36 26 25 36 47 58 69 67 35 26 26 36 51 60 72 72 50 41 47 59
WIND DIR       W  W NW  W  W  W  W  W  W  W  W  W SW SW SW SW SW SW  W  W NW NW
WIND SPD       3  3  5  5  5  3  2  2  2  2  3  5  5  3  3  4  4  4  5  8  6  3
CLOUDS        CL CL CL FW FW SC FW FW FW FW SC SC SC SC FW FW FW B1 B1 B2 B2 B1
CLOUDS(%)      5  3  3  8 22 26 23 12 10 19 31 32 30 27 22 21 23 52 52 78 78 67
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      5           5          10           5          70
RAIN SHWRS                                                       SC SC NM NM SC
TSTMS                                                                  SC SC   
MIX HGT       <1 <1  5 10 10 <1 <1 <1 <1 <1  6 10  7 <1 <1 <1 <1 <1  4  6  2 <1
T WIND DIR     W  W NW  W  W  W SW  W  W  W NW  W  W  W SW  W SW SW  W  W NW  W
T WIND SPD     2  2 14 11 10  3  3  2  2  1  8  9 11  8  3  4  3  3 14 16 18 10
DISPERSION    VP             VP VP VP VP             VP VP VP VP             VP
ADI            1  2 96131114  2  2  1  1  1 61104 97  4  2  2  2  3 67 74 45  5
MAX LVORI      4  3  1  1  1  2  2  3  3  3  1  1  1  2  2  3  3  3  1  1  1  3
STABILITY      G  A  A  A  A  G  G  G  G  A  A  A  A  G  G  F  F  A  B  C  B  F
CEILING              None  None  None  None  None  None  None  None 19600  6400
STA PRES            29.29 29.20 29.20 29.17 29.16 29.08 29.09 29.07 29.07 29.07


Date          Sun 04/26/26Mon 04/27/26Tue 04/28/26Wed 04/29/26
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       54      76      51      71      56      74      54      79
TEMP          59 57 72 69 55 52 69 69 60 58 70 70 60 57 77 72
DEWPT         55 53 51 48 48 47 48 50 52 56 60 57 55 53 50 48
RH            87 86 48 47 77 83 47 51 75 93 71 63 84 86 39 42
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC SC SC SC SC SC B1 B2 B2 B2 SC SC SC SC
POP 12HR           50      20      10      20      60      70      20      20
RAIN SHWRS    SC SC IS IS       IS IS IS NM NM SC IS IS IS IS
TSTMS                                          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