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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
131 AM EDT Thu Apr 30 2026

NCZ003-010800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
131 AM EDT Thu Apr 30 2026

Date           04/29/26      Thu 04/30/26            Fri 05/01/26            Sat
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                 53          68          43          69          48
TEMP                   58 55 56 61 66 67 59 53 47 43 46 57 64 68 63 56 53 50 48
DEWPT                  52 50 48 46 41 36 37 35 35 34 36 36 36 38 40 41 42 41 44
MIN/MAX RH                   93          33          71          33          84
RH                     80 83 74 58 40 32 44 50 63 70 68 45 35 33 43 57 66 71 86
WIND DIR               NW NW NW NW NW NW NW  N  N  N  N  E SW SW SW  W  N  N  N
WIND SPD                8  5  8 10 10 12  9  8  5  4  3  3  5  6  5  5  5  5  5
CLOUDS                 B1 B2 B2 SC FW FW FW FW SC B1 B1 SC SC B1 B2 B2 OV B2 OV
CLOUDS(%)              68 87 74 38 21 25  6 25 49 60 62 38 42 63 77 81 88 86 88
VSBY                   10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     20           0           0           5          40
RAIN SHWRS                                                             SC SC SC
TSTMS                                                                          
MIX HGT                <1 <1  1  4  7  7 <1 <1 <1 <1 <1  4  6  7 <1            
T WIND DIR              W NW NW NW NW NW NW  N  N  N  N SE  S SW SW            
T WIND SPD              3  6 12 12 10 12 11 10  9  5  3  3  6 10  9            
DISPERSION             PR PR             PR PR PR VP             PR PR PR PR   
ADI                     3  5 21 64 74 93  8  7  6  4  4 16 50 76  6            
MAX LVORI               5  5  3  1  1  1  2  2  3  3  3  2  1  1  2            
STABILITY               D  E  B  B  B  B  E  E  E  E  B  A  A  B  E            
CEILING                   14600  None  None  None 14900  None 19500 11400      
STA PRES                  28.77 28.81 28.79 28.90 28.94 28.95 28.87            


Date           05/02Sun 05/03/26Mon 05/04/26Tue 05/05/26Wed 05/06/26
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       60      38      67      40      74      49      78      50      78
TEMP          55 56 44 41 62 60 44 45 70 68 54 53 75 70 56 55 74 72
DEWPT         45 39 33 32 31 33 34 34 41 46 46 48 48 48 48 49 51 53
RH            69 53 65 70 31 36 68 65 35 45 74 83 38 45 74 80 44 51
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B2 B1 SC FW CL FW CL CL FW FW FW SC FW SC SC SC SC SC
POP 12HR           50      10       0       0      10      10      10      10      20
RAIN SHWRS    SC SC                                              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