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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
802 PM EDT Tue Mar 31 2026

NCZ005-010800-
RAWS 310540
36.38N  79.70W Elev. 858 ft
802 PM EDT Tue Mar 31 2026

Date           03/31/26      Wed 04/01/26            Thu 04/02/26            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                 60          84          62          83          61
TEMP                68 66 62 62 73 82 84 78 71 68 64 62 74 81 83 76 69 66 63 62
DEWPT               55 56 56 57 60 59 57 59 58 59 58 58 60 59 55 54 53 58 59 60
MIN/MAX RH                   86          40          87          39          94
RH                  63 70 81 84 64 46 40 52 63 73 81 87 62 47 38 46 57 75 87 93
WIND DIR            SW SW SW SW SW SW SW SW  S  S  S  S SW  S  S  S  S  S  S  S
WIND SPD            10 10  9  8  9  9  9  5  5  6  6  5  8  9 10  6  8  9  6  5
CLOUDS              FW FW FW B1 SC SC SC B1 SC SC FW FW FW FW FW FW FW FW SC B1
CLOUDS(%)           23 19 18 64 49 27 42 64 46 37 20 18 20 24 14 14  7 22 50 68
VSBY                10 10 10 10 10 10  8  8  8 10 10 10 10 10 10 10 10 10 10   
POP 12HR                      5          30          20          10          10
RAIN SHWRS                            IS IS IS                               SC
TSTMS                                 IS IS                                    
MIX HGT             <1 <1 <1 <1  2  6  6 <1 <1 <1 <1 <1  3  6  6 <1            
T WIND DIR          SW SW SW SW SW SW SW  S  S  S  S  S SW  S  S  S            
T WIND SPD           8  9 16 13 13 13 14  6  5  6  6 10 11 12 12  6            
DISPERSION          FR FR PR             PR PR PR PR             PR PR PR PR   
ADI                  5  8 11 15 35 61 68  5  4  3  3 11 43 55 56  3            
MAX LVORI            3  3  4  4  1  1  1  2  3  3  5  4  1  1  1  2            
STABILITY            E  D  E  B  C  C  C  E  E  F  F  B  B  C  C  F            
CEILING              None  None  None  None  None  None  None  None  None      
STA PRES            29.42 29.42 29.46 29.40 29.44 29.48 29.57 29.54            


Date           04/03Sat 04/04/26Sun 04/05/26Mon 04/06/26Tue 04/07/26
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       80      61      82      61      76      43      64      40      67
TEMP          78 75 66 63 81 77 67 63 74 69 53 45 61 57 46 42 63 59
DEWPT         58 57 57 58 57 55 58 58 56 49 42 36 33 34 33 34 35 35
RH            50 54 73 84 44 47 73 84 53 49 66 70 35 42 60 73 35 40
WIND SPD          <15     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    B1 B1 B1 B1 SC SC SC B1 B2 B2 B2 SC SC SC SC SC SC SC
POP 12HR           30      10      20      30      70      30       0       5      10
RAIN SHWRS    SC SC          IS IS SC NM NM SC                     
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