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

NCZ006-240800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
231 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                 56          88          59          84          54
TEMP          85 76 67 62 58 60 80 86 86 77 68 63 60 63 80 84 79 70 63 60 56 55
DEWPT         44 47 48 47 47 49 52 48 49 49 48 49 50 52 57 56 58 60 59 58 56 55
MIN/MAX RH                   71          26          72          38         100
RH            24 36 50 58 67 67 38 27 28 37 49 60 69 67 45 38 49 71 87 93100100
WIND DIR       W  W SW  W  W  W  W  W  W SW SW SW SW SW  W  W  W  W  W  W NW  N
WIND SPD       4  1  1  1  1  2  2  4  4  1  2  2  2  2  4  5  5  2  2  2  3  5
CLOUDS        FW SC SC FW FW FW FW SC SC FW FW FW SC SC SC B2 B2 B2 B2 B1 B1 B1
CLOUDS(%)      9 27 37 14 13 20  8 40 26 25 19 20 26 32 50 78 79 82 75 59 59 52
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10                           
POP 12HR                      0           5           5          70          70
RAIN SHWRS                                                 IS NM NM NM SC SC IS
TSTMS                                                      IS IS               
MIX HGT       10 <1 <1 <1 <1 <1  6 11  8 <1 <1 <1 <1 <1  5  5  4 <1            
T WIND DIR     W  W SW  W  W  W NW  W SW  W SW SW SW SW NW  W  W  W            
T WIND SPD    11  3  3  4  3  2  6 10 12  4  3  4  4  4 12  5 12 11            
DISPERSION       VP VP VP VP             VP VP VP VP             VP VP VP VP   
ADI          127  2  2  2  2  2 49121121  2  2  2  2  4 81 33 45  5            
MAX LVORI      1  2  2  3  3  3  1  1  1  2  2  3  3  3  1  1  1  3            
STABILITY      A  G  G  G  G  A  A  A  A  G  G  G  G  A  A  B  C  F            
CEILING        None  None  None  None  None  None  None  None  6600  4200      
STA PRES      29.30 29.29 29.27 29.26 29.17 29.18 29.17 29.21 29.18            


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       73      45      73      50      74      56      83      53      80
TEMP          69 69 52 47 70 67 55 52 68 69 60 58 80 74 59 57 77 72
DEWPT         50 47 45 43 44 46 47 50 57 59 57 58 55 49 48 50 49 47
RH            51 45 77 86 39 47 74 93 68 70 90100 42 41 67 77 37 41
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 SC SC SC SC SC SC B1 B2 B2 SC SC B1 B1 SC SC B1 B1
POP 12HR           20      10      10      30      70      20      30      20      30
RAIN SHWRS    IS IS                SC NM SC IS IS SC SC    IS SC SC
TSTMS                                    IS                      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