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

For a list of Upper Air Locations, click here.


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 KABR - 09/29/2022
TIME (EDT)8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM
SHOWALTER INDEX 0.730.12-0.18-0.04-0.08-0.15-0.150.432.525.125.294.62
LIFTED INDEX 9.648.958.668.718.227.837.366.566.796.135.665.71
SWEAT INDEX 263.95263.93179.82173.48179.41300.22172.77149.07111.9287.5984.07223.45
K INDEX 21.823.7625.6422.3323.4522.4624.6725.4420.3213.518.2310.64
TOTALS TOTAL INDEX 49.8551.0651.651.2951.3851.3951.3550.3346.7542.5842.1943.16
LCL HEIGHT (Ft) 498548925165566661866689695775297565776777547480
LCL PRESSURE (mb) 805.83808.85799.12782.34764.51746.13736.59716.95715.23708.31708.35717.36
LCL TEMP (in C) -1.7-1.87-2.01-2.13-2.19-2.18-2.2-1.94-1.63-1.45-0.96-0.52
PRECIP WATER (in) 0.860.880.870.820.860.860.890.870.810.750.690.66
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) 9.79.89.49.39.211.311.713.113.210.711.29.8
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) 28.931.39.461.09-6.213.06-16.96-10.08-0.358.0711.7133.02
SRH ( 0 - 3Km) (m/s) 451.2415.2420.1309.1186.3183.5167.6196.1230.6202.8192.9269.2
STORM MOTION 169 at 12170 at 16171 at 15167 at 15163 at 16168 at 13161 at 19161 at 18164 at 13172 at 7180 at 3243 at 2
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 353634282520181211111015
3 KM SHEAR (Kts) 141719181316141920171825
6 KM SHEAR (Kts) 232018161717141213151822
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 837683768370836783588337833195498316831683078307
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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