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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
832 PM EDT Tue Mar 17 2026

NCZ003-180800-
RAWS 310302
36.35N  80.48W Elev. 1076 ft
832 PM EDT Tue Mar 17 2026

Date           03/17/26      Wed 03/18/26            Thu 03/19/26            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                 27          42          29          57          39
TEMP                30 28 27 27 32 39 42 40 35 32 30 31 44 54 57 53 48 44 42 40
DEWPT               13 13 13 14 12 13 15 19 19 20 20 21 26 31 33 35 36 36 36 37
MIN/MAX RH                   55          33          68          40          89
RH                  49 53 55 57 43 34 33 42 52 61 66 66 49 41 40 50 63 73 79 89
WIND DIR            NW  N  N  E SE  S  S  S  S SW SW  W SW SW SW  S SW SW  W NW
WIND SPD             4  5  4  3  4  4  4  3  3  2  2  2  3  4  4  3  3  3  2  3
CLOUDS              FW B1 OV B2 B1 SC B1 SC SC SC SC B1 B1 B1 B2 B1 B1 B1 SC SC
CLOUDS(%)           12 68 96 70 59 44 67 50 40 50 32 56 61 66 70 68 64 63 47 29
VSBY                10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      5           0           0           0          10
MIX HGT              1  2  2  1  3  5  5 <1 <1 <1 <1 <1  1  3  4 <1            
T WIND DIR          NW NW  N NE SE  S SW  S  S SW  S SW SW SW SW SW            
T WIND SPD          11  9 10  5  3  8  8  2  2  2  3  2  6  9 11  4            
DISPERSION          VP PR VP             VP VP VP VP             VP VP VP VP   
ADI                  5  6  7 10 14 43 48  1  1  1  2  2 13 31 42  2            
MAX LVORI            2  2  2  2  2  1  1  2  2  3  3  3  2  1  1  2            
STABILITY            F  E  E  B  B  B  B  F  G  F  G  C  B  C  C  F            
CEILING              None 15100  8300  6200  None  None 12300 11200  4300      
STA PRES            29.16 29.21 29.27 29.19 29.19 29.15 29.13 29.03            


Date           03/20Sat 03/21/26Sun 03/22/26Mon 03/23/26Tue 03/24/26
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       65      44      72      47      76      50      68      38      53
TEMP          63 60 49 46 69 65 53 48 73 70 59 51 65 59 45 38 49 47
DEWPT         43 43 43 42 45 44 44 43 49 48 48 42 36 34 30 26 27 29
RH            48 53 80 86 42 46 71 83 43 45 67 71 34 39 55 62 42 49
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    SC B1 SC SC SC B1 SC SC FW FW SC B1 SC SC SC SC SC B1
POP 12HR            5       5       0       0       5      20      20      20      20
RAIN SHWRS                                     IS    IS    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