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EXPERIMENTAL...FIRE WEATHER POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE Blacksburg VA
401 PM EDT Mon May 4 2026

NCZ001-050800-
RAWS 310142
36.40N  81.46W Elev. 4608 ft
401 PM EDT Mon May 4 2026

Date           05/04/26      Tue 05/05/26            Wed 05/06/26            Thu
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                 49          66          53          66          54
TEMP          64 58 54 52 51 52 60 64 64 59 58 57 55 54 56 63 65 61 59 59 57 55
DEWPT         39 40 40 40 38 38 37 39 40 43 45 47 48 50 53 56 57 57 57 56 56 55
MIN/MAX RH                   64          38          90          75         100
RH            40 51 59 63 61 59 42 40 41 55 62 69 77 86 90 78 75 87 93 90 96100
WIND DIR       W SW SW SW SW SW  S  S  S  S  S  S  S  S SW SW SW  W SW  W  W  W
WIND SPD      11 10 12 13 12 10 13 18 18 19 18 20 19 18 17 14 13 13 13 13 13 13
WIND GUST                                                  25 24               
CLOUDS        FW FW SC SC FW FW FW SC B1 B1 B1 B2 B2 B2 B2 OV OV OV OV OV OV OV
CLOUDS(%)     25 14 28 45 19 11 18 42 69 68 62 71 81 87 82 92 92 92 92 97 97 92
VSBY          10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10
POP 12HR                      0          10          60          90         100
RAIN SHWRS                                     NM NM NM NM  O  O  O  O  O  O  O
TSTMS                                                      SC SC SC IS IS      
MIX HGT        6 <1 <1 <1 <1 <1  3  5  5  2 <1 <1 <1 <1  2  2  2 <1            
T WIND DIR    SW  S  S SW SW SW  S  S  S  S  S  S  S  S SW SW  W  W            
T WIND SPD    13 13  9  8  5  5 23 27 25 24 17 18 13  9 18 13 28 11            
DISPERSION       FR FR FR FR             GD GD GD GD             FR FR FR FR   
ADI           62  9  6  5  4  6 80112 75 27 15 16 12 10 33 26 60 10            
MAX LVORI      1  2  3  3  3  2  1  1  1  2  2  3  4  5  4  4  3  5            
STABILITY      C  E  E  E  E  B  C  C  D  D  D  D  D  D  D  D  D  D            
CEILING              None  None  None 11200   300   300   300   400  1200      
STA PRES            26.65 26.66 26.66 26.61 26.61 26.56 26.58 26.61            


Date           05/07Fri 05/08/26Sat 05/09/26Sun 05/10/26Mon 05/11/26
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       58      37      57      43      61      47      65      51      65
TEMP          57 52 43 41 55 52 46 48 57 56 50 50 62 60 54 55 62 59
DEWPT         53 43 38 35 35 38 38 40 43 43 42 44 46 48 47 50 53 50
RH            86 71 82 79 47 59 73 74 59 62 74 80 56 64 77 83 72 72
WIND SPD          15>     <15     <15     <15     <15     <15     <15     <15     <15
AVG CLOUDS    OV B2 B1 B1 FW SC FW SC SC SC FW SC FW SC SC B1 B1 B2
POP 12HR           90      30      10      20      30       5      20      30      60
RAIN SHWRS     O  O SC IS          IS IS SC          IS IS SC SC NM
TSTMS         IS SC                      IS          IS       IS SC

$$


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