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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
801 PM EDT Sat Mar 21 2026

NCZ006-220800-
RAWS 310801
36.37N  79.29W Elev. 580 ft
801 PM EDT Sat Mar 21 2026

Date           03/21/26      Sun 03/22/26            Mon 03/23/26            Tue
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          87          63          76          39
TEMP                62 59 56 56 74 85 87 77 71 67 66 64 73 75 74 62 54 47 42 40
DEWPT               48 51 53 54 59 56 54 54 55 55 55 55 55 48 40 35 33 31 30 28
MIN/MAX RH                   94          32          74          29          63
RH                  60 75 90 93 59 37 32 45 57 65 68 73 53 38 29 36 45 53 62 62
WIND DIR             S  S SW SW  W SW SW SW SW SW SW  W  N  N  N  N  N  N NE NE
WIND SPD             3  3  3  2  5  8 10  5  6  5  5  4 10 11 11  9  8  4  5  3
WIND GUST                                      16 16 14                        
CLOUDS              CL FW FW SC FW FW FW SC FW FW B1 B1 SC SC FW SC SC SC SC SC
CLOUDS(%)            0 18 19 49 12 11 19 30  9 17 56 68 44 27 17 32 35 33 41 41
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                     20           0           0          10           0
RAIN SHWRS          IS                                                         
MIX HGT             <1 <1 <1 <1  2  5  6 <1 <1 <1 <1 <1  5  5  5 <1            
T WIND DIR           S  S SW  W  W SW SW SW SW SW SW  W  N  N NE NE            
T WIND SPD           3  3  3  4  9 16 20  8  8  9  8  6 19 14 11 11            
DISPERSION          VP VP VP             PR PR PR PR             PR PR VP PR   
ADI                  2  2  2  5 20 93 94  4  4  4  5  8 78 61 47  8            
MAX LVORI            3  3  7  6  2  1  1  2  3  3  3  3  1  1  1  2            
STABILITY            G  G  G  B  B  B  C  F  F  F  E  B  C  C  C  E            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.23 29.21 29.23 29.14 29.14 29.13 29.25 29.41            


Date           03/24Wed 03/25/26Thu 03/26/26Fri 03/27/26Sat 03/28/26
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       60      40      66      48      74      56      77      43      61
TEMP          56 54 44 42 63 60 52 50 71 69 61 58 74 65 49 43 57 54
DEWPT         25 26 28 32 39 40 43 47 51 53 53 51 51 45 40 36 34 33
RH            30 34 53 67 41 47 71 89 49 57 75 77 44 48 71 76 42 45
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC SC SC B2 B1 B2 B2 B1 B1 B1 SC B1 B2 B1 B1 B2 B1 B1
POP 12HR            0       5      10      20      20      20      20      40      30
RAIN SHWRS                      IS IS IS       IS    IS SC SC 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