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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
731 PM EDT Fri Oct 17 2025

NCZ006-180800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
731 PM EDT Fri Oct 17 2025

Date           10/17/25      Sat 10/18/25            Sun 10/19/25            Mon
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          78          57          77          47
TEMP             55 49 47 46 46 65 76 78 66 62 60 59 58 70 76 74 65 57 53 49 48
DEWPT            40 41 42 42 44 50 54 55 57 57 56 55 53 55 56 57 61 52 45 41 40
MIN/MAX RH                   93          45          88          50          89
RH               57 74 83 86 93 58 46 45 73 84 87 87 83 59 50 55 87 83 74 74 74
WIND DIR          E  S  N  N  S SW SW SW  S  S  S  S  S  S  S  S SW  W  W  W  W
WIND SPD          1  1  0  0  1  5  6  5  2  4  5  6  8 13 16 17 10  8  5  5  5
WIND GUST                                               24 27 27 20 18         
CLOUDS           FW SC B1 SC SC CL FW CL CL FW SC SC SC SC B1 B2 B2 B1 FW FW CL
CLOUDS(%)        12 26 64 39 30  4  7  1  2 14 30 48 44 50 64 73 78 59 21 13  2
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10                        
POP 12HR                      0           0           0          30          40
RAIN SHWRS                                                 SC SC SC SC         
TSTMS                                                            IS            
MIX HGT          <1 <1 <1 <1 <1  2  3  3 <1 <1 <1 <1 <1  3  5  3 <1            
T WIND DIR        S  S  S  S  S SW SW SW  S  S  S  S  S  S  S  S SW            
T WIND SPD        2  3  3  4  4 12 11 11  5  5  6  6  9 26 27 28 14            
DISPERSION       VP VP VP VP             VP VP PR PR             FR PR PR PR   
ADI               1  2  2  2  5 26 47 48  3  3  3  5 10 79 86 67 13            
MAX LVORI         3  4  4  5  6  3  1  1  3  5  5  5  4  1  1  1  4            
STABILITY         G  G  F  F  B  B  B  B  G  F  F  E  B  C  D  D  D            
CEILING              None  None  None  None  None  None  None  3000  None      
STA PRES            29.39 29.41 29.42 29.36 29.37 29.34 29.30 29.21            


Date           10/20Tue 10/21/25Wed 10/22/25Thu 10/23/25Fri 10/24/25
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       69      45      75      45      65      40      67      47      70
TEMP          67 58 48 46 73 64 52 45 63 55 44 41 65 57 49 47 68 60
DEWPT         42 42 40 39 46 47 42 37 38 39 37 37 41 43 42 42 46 46
RH            40 55 74 76 38 54 69 73 39 55 76 85 41 59 77 83 45 60
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    CL CL CL FW CL FW FW FW FW FW FW FW FW SC SC B1 SC SC
POP 12HR            0       0       5       5       0       0       5       5       5

$$


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