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

NCZ003-240800-
RAWS 310301
36.48N  80.86W Elev. 1300 ft
801 PM EDT Thu Apr 23 2026

Date           04/23/26      Fri 04/24/26            Sat 04/25/26            Sun
UTC 3hrly     21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
EDT 3hrly     17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08

MIN/MAX TEMP                 54          83          55          77          50
TEMP                63 58 55 58 77 80 80 74 64 59 56 60 74 76 73 68 61 56 51 53
DEWPT               45 44 44 46 49 50 50 51 50 49 49 52 57 58 59 58 55 53 50 49
MIN/MAX RH                   67          34          77          53          94
RH                  52 59 66 64 37 35 35 44 60 69 77 75 55 54 62 70 81 90 96 86
WIND DIR            NW  W NW NW  W  W SW SW NW NW NW  W  W  W NW NW NW NW NW  N
WIND SPD             2  2  1  1  2  3  3  1  1  1  1  1  2  4  4  2  2  2  2  2
CLOUDS              FW SC SC FW SC B1 B1 SC FW FW SC B1 B1 OV OV B2 B1 SC SC SC
CLOUDS(%)            6 36 28 11 41 61 53 29 22 25 42 60 67 89 89 71 61 35 35 28
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0          10          20          80          60
RAIN SHWRS                                           IS SC SC  O NM SC IS IS IS
TSTMS                                                      SC IS               
MIX HGT             <1 <1 <1 <1  9  9  7 <1 <1 <1 <1 <1  3  4  3 <1            
T WIND DIR           W NW NW NW  W SW SW SW  W NW NW NW NW  W  W  W            
T WIND SPD           3  4  5  5  6  8 10  3  3  4  4  4  9 11  8  3            
DISPERSION          VP VP VP             VP VP VP VP             VP VP VP VP   
ADI                  2  2  3  6 69 70 75  2  2  2  2  5 34 44 25  2            
MAX LVORI            2  3  3  3  1  1  1  2  3  3  4  3  1  1  2  3            
STABILITY            G  G  G  A  A  B  B  G  G  G  F  B  B  C  C  F            
CEILING              None  None  None  None  None  None  5600  4300  None      
STA PRES            28.07 28.04 28.04 27.97 27.97 27.95 27.97 27.96            


Date           04/26Mon 04/27/26Tue 04/28/26Wed 04/29/26Thu 04/30/26
UTC 6hrly     18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
EDT 6hrly     14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20

MAX/MIN TEMP       76      45      70      50      74      53      79      50      75
TEMP          73 72 53 47 68 66 55 52 67 69 58 56 76 71 57 55 73 69
DEWPT         50 49 45 43 47 48 47 48 58 57 54 53 52 48 47 47 47 46
RH            44 44 74 86 47 52 74 86 73 66 86 90 43 44 69 74 40 44
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B1 SC SC SC B2 B2 B1 SC B1 B1 B1 SC SC B1 B1
POP 12HR           20      20      10      50      70      30      40      20      40
RAIN SHWRS    IS IS    IS       IS SC NM SC IS SC SC SC IS IS SC SC
TSTMS                              IS    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