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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
501 PM EDT Thu Mar 19 2026

NCZ005-200800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
501 PM EDT Thu Mar 19 2026

Date           03/19/26      Fri 03/20/26            Sat 03/21/26            Sun
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                 39          71          52          77          52
TEMP             56 47 44 41 40 58 69 70 64 60 57 54 52 65 74 76 69 61 58 55 53
DEWPT            35 35 36 35 36 41 39 39 39 40 43 45 47 52 51 48 50 50 50 50 50
MIN/MAX RH                   86          31          83          37          91
RH               45 63 73 79 85 53 33 32 40 47 59 71 83 63 44 37 51 67 75 83 89
WIND DIR          S SW SW SW SW SW SW SW SW SW SW SW  W  W NW  W SW  S SW SW  W
WIND SPD          2  2  2  2  2  5 10 11  8  9  8  6  5  5  5  4  2  2  3  3  3
CLOUDS           FW CL CL FW FW FW SC B2 B1 B1 B1 B1 B1 B2 B1 B1 SC FW SC FW SC
CLOUDS(%)        19  2  5  8  7 22 29 78 64 67 66 68 65 72 66 63 31 17 26 23 35
VSBY             10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10            
POP 12HR                      0           5          20           5           5
RAIN SHWRS                               IS IS                                 
MIX HGT          <1 <1 <1 <1 <1  2  5  5 <1 <1 <1 <1 <1  2  5  5 <1            
T WIND DIR        S  S  S SW SW SW SW SW SW SW SW SW  W NW  N  S SE            
T WIND SPD        2  2  3  3  2 10 17 21  9 11 11 10  5 11  4  3  3            
DISPERSION       VP VP VP VP             PR PR PR PR             VP VP VP VP   
ADI               1  1  2  2  2 22 68 88  8 10 10  7  4 32 19 15  2            
MAX LVORI         2  3  3  5  5  2  1  1  2  2  2  3  5  1  2  2  2            
STABILITY         G  G  G  G  B  B  C  C  D  D  D  E  C  C  C  C  G            
CEILING              None  None  None 16600  9800 14800 14800  None  None      
STA PRES            29.44 29.42 29.40 29.26 29.19 29.13 29.18 29.14            


Date           03/22Mon 03/23/26Tue 03/24/26Wed 03/25/26Thu 03/26/26
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      59      75      39      60      42      62      44      71
TEMP          81 73 64 60 72 64 47 40 57 53 47 44 61 58 50 47 67 68
DEWPT         53 52 52 51 44 32 28 26 24 26 29 35 38 38 39 41 45 47
RH            38 48 65 72 37 30 47 57 28 35 49 70 42 47 66 79 45 47
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    FW FW FW SC SC FW FW FW FW SC B1 B2 B1 B1 B1 SC SC SC
POP 12HR            0       5      10      10       5      10      20      10      10
RAIN SHWRS                                        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