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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Wed Apr 22 2026

NCZ003-230800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
131 AM EDT Wed Apr 22 2026

Date           04/21/26      Wed 04/22/26            Thu 04/23/26            Fri
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                 45          81          51          83          54
TEMP                   50 46 50 70 79 80 72 62 56 53 56 74 80 81 74 65 59 56 58
DEWPT                  35 36 37 42 37 38 40 40 41 41 43 47 46 45 45 46 46 45 46
MIN/MAX RH                   68          22          66          28          70
RH                     56 68 61 36 22 22 31 44 57 64 62 38 30 28 35 50 62 66 64
WIND DIR               SW SW  W  W  W  W  W NW NW NW NW NW  W  W  W NW NW NW NW
WIND SPD                5  5  5  9 10 10  6  5  4  4  3  4  5  5  4  4  3  4  3
WIND GUST                       19 23 21                                       
CLOUDS                 SC FW FW FW FW FW SC SC FW FW FW FW FW SC SC FW FW FW FW
CLOUDS(%)              33 12 16 11 12 21 36 34 10  7  6  7 18 33 26 20 15 12 24
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0           5           0           5           5
MIX HGT                <1 <1 <1  5  9  9 <1 <1 <1 <1 <1  5 10 10 <1            
T WIND DIR             SW SW SW  W  W  W  W  W NW NW NW NW NW  W SW            
T WIND SPD              3  3  3 24 21 20  6  3  3  3  3 13  9  9  4            
DISPERSION             PR PR             PR PR VP VP             VP VP VP VP   
ADI                     2  2  3147114110  5  2  2  2  3 91103105  2            
MAX LVORI               3  3  3  1  1  1  2  2  3  3  3  1  1  1  2            
STABILITY               F  F  A  B  C  C  E  F  F  F  A  A  A  A  F            
CEILING                    None  None  None  None  None  None  None  None      
STA PRES                  29.09 29.06 28.97 28.99 29.00 29.01 28.91            


Date           04/24Sat 04/25/26Sun 04/26/26Mon 04/27/26Tue 04/28/26
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       83      57      81      54      72      49      72      54      74
TEMP          81 75 62 59 77 71 58 55 69 67 54 51 68 67 57 55 67 68
DEWPT         42 48 49 51 55 57 55 51 50 48 47 46 49 49 50 51 57 55
RH            25 38 62 75 47 61 90 86 51 50 77 83 51 52 77 86 70 63
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC SC B1 B2 B2 B1 SC B1 SC B1 B1 SC B1 B1 B2 B1
POP 12HR           10      20      70      60      30      20      20      50      60
RAIN SHWRS             IS SC NM NM SC SC SC IS IS IS IS SC SC NM SC
TSTMS                        IS                         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