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NOTE!  Normal observations are at 0Z or 12Z.
SOUNDING STATION :       RAP STATION :    

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SKEW-T DIAGRAM
DESCRIPTION OF PARAMETERS
  • TP: Tropopause level (mb)
  • MW: Max wind level (mb)
  • FRZ: Lowest freezing level (mb) or BG for below ground
  • WB0: Wet bulb zero (mb) or BG
  • PW: Precipitable water (in)
  • RH: Mean RH surface to 500 mb (%)
  • MAXT: Estimated max temperature (C) using a 150mb layer
  • TH: 1000-500mb thickness (m)
  • L57: 700-500mb lapse rate (C/km)
  • LCL: Lift condensation level (mb) from surface data
  • LI: Lifted index (C) using 100 mean layer above surface
  • SI: Showalter index (C)
  • TT: Total totals index
  • KI: K index
  • SW: Sweat index
  • EI: Energy index

    -PARCEL-
    This is a parcel trajectory (the yellow line on the sounding) based on 100 mb mean layer.

  • CAPE: Convective available potential energy
  • CINH: Convective inhibition (open ended)
  • LCL: Lift condensation level (mb)
  • CAP: Cap strength (C)
  • LFC: Level free convection (mb)
  • EL: Equilibrium level (mb)
  • MPL: Maximum parcel level (mb)

    -WIND-
    Wind parameters

  • STM: Estimated storm motion (knts) from 0-6000m AG mean layer, spd 75% of mean, dir 30 deg veer from mean.
  • HEL: Storm relative helicity 0-3000m AG (total value)
  • SHR+: Positive shear magnitude 0-3000m AG (sum of veering shear values)
  • SRDS: Storm relative directional shear 0-3000m AG (directional difference of storm relative winds)
  • EHI: Energy helicity index (prop to positive helicity * CAPE)
  • BRN: Bulk Richardson number 500-6000m AG (prop to CAPE/bulk shear)
  • BSHR: Bulk shear value (magnitude of shear over layer)

LATEST RAP RUN
RAP (RAPID REFRESH) RUN Ver 1.4 - LATEST MODEL RUN FOR KSAW - 01/19/2018
TIME (EST)1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM11 PM12 AM
SHOWALTER INDEX 8.35.795.364.945.77.479.2811.5610.049.097.568.97
LIFTED INDEX 15.0613.1912.6212.1212.8413.4614.5815.714.8514.0712.2212.22
SWEAT INDEX 131.5151.51161.26145.48136.92203.73221.07138.86129.78128.61144.6163.56
K INDEX 15.8923.7225.1424.321.9417.3210.254.744.6612.0917.3610.4
TOTALS TOTAL INDEX 38.0742.6144.1244.843.2739.1334.2432.5735.3138.9542.1839.53
LCL HEIGHT (Ft) 187320512350231223951964166515161464173019811958
LCL PRESSURE (mb) 896.98889.14878.96879.03875.77889.23900.79906.07906.49897.85890.07891.14
LCL TEMP (in C) -6.04-5.09-4.59-4.29-4.34-3.69-3.31-3.47-3.92-4.48-4.51-3.66
PRECIP WATER (in) 0.560.670.710.70.660.580.490.460.460.560.650.49
CAPE (J/Kg) 0.000.000.000.000.000.000.000.000.000.000.000.00
NCAPE (J/Kg) 000000000000
CINS (J/Kg) 0.000.000.000.000.000.000.000.000.000.000.000.00
LID STRENGTH (C) 18.515.81412.316.317.519.620.519.616.112.816
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) 169.92226.93150.6979.55188.34151.42187.3620.07-54.66-157.34-142.26-118.58
SRH ( 0 - 3Km) (m/s) 257.8452.5274.1211.5193.5268.592.9181.746.4-85.2-121.8-115.2
STORM MOTION 282 at 37281 at 40277 at 48272 at 43269 at 41267 at 41269 at 44270 at 44272 at 46278 at 53277 at 59280 at 61
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 303338333328343022202432
3 KM SHEAR (Kts) 434039454339343841454547
6 KM SHEAR (Kts) 606166625971777776778489
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 00084611484000003432
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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