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 - 11/21/2024
TIME (EST)1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM
SHOWALTER INDEX 16.0116.7116.9916.9217.3617.4817.0516.7817.1615.9215.4716.04
LIFTED INDEX 22.9523.8224.8724.7324.8625.5125.5225.8526.1725.7425.5426.24
SWEAT INDEX 123.83119.67114.48112.97113.03110.3109.77100.8598.2490.9382.5878.46
K INDEX -15.35-15.52-15.99-14.11-12.93-13.26-15.07-20.52-22.19-21.14-18.67-17.34
TOTALS TOTAL INDEX 30.9329.8228.9728.7427.5727.427.5327.9127.3728.8529.5828.56
LCL HEIGHT (Ft) 178414231599168017081684160914761499153816181655
LCL PRESSURE (mb) 912.64926.26920.5918.51918.27920.77922.47927.21926.14926.33923.87922.74
LCL TEMP (in C) -9.66-9.15-10.32-11.03-11.1-11.42-11.62-11.55-11.71-11.42-10.75-9.96
PRECIP WATER (in) 0.270.260.250.240.230.230.230.230.240.250.270.29
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) 18.319.721.221212222.923.423.623.724.926.5
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) -3.1426.1647.93-12.6-56.71-36.47-39.53-19.545.89-4.82-9.02-9.49
SRH ( 0 - 3Km) (m/s) 91.8174.6218.1163.5127.8145.961.452.273.712.319.119.2
STORM MOTION 349 at 51352 at 48354 at 44355 at 45354 at 43353 at 40354 at 38356 at 35354 at 33350 at 34346 at 34347 at 31
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 181920161313975446
3 KM SHEAR (Kts) 292624221918141412121110
6 KM SHEAR (Kts) 707065656963595452423332
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 000000000000
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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