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 - 11/30/2022
TIME (EST)2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM10 PM11 PM12 AM1 AM
SHOWALTER INDEX 18.1418.517.9718.5718.9119.5820.0820.5721.0920.7119.3419.46
LIFTED INDEX 23.5723.5723.7824.3924.9625.7526.2726.5526.8226.1526.0725.77
SWEAT INDEX 117.47104.2693.9279.1370.1361.3565.2675.06234.18250.33244.97257.31
K INDEX -19.6-23.37-20.48-20.44-22.71-25.4-23.72-20.25-20.27-22.9-14.82-8.91
TOTALS TOTAL INDEX 27.8626.8227.3526.2723.8521.2619.3918.2815.611.7517.4920.56
LCL HEIGHT (Ft) 343936043440331729472737235519241744166417141711
LCL PRESSURE (mb) 861.47855.08860.13864.95876.98884.48897910.97918.28918.84915.78916.36
LCL TEMP (in C) -16.1-16.87-16.5-16.24-15.98-15.88-15.8-15.71-15.81-15.9-16.04-15.94
PRECIP WATER (in) 0.130.120.130.130.130.140.170.20.190.190.230.28
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) 26.92624.625.825.726.628.429.129.92828.730.1
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) 13.5615.728.979.3213.230.9666.61101.81129.1133.59147.79190.43
SRH ( 0 - 3Km) (m/s) -32.3-13-33.5-47.4-45.1-24.627.994150.4241.7298.2400.1
STORM MOTION 325 at 45325 at 41322 at 37318 at 32310 at 30304 at 26300 at 26296 at 25290 at 23285 at 24281 at 26272 at 24
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 544345101519171825
3 KM SHEAR (Kts) 242526242528323433353537
6 KM SHEAR (Kts) 646257484545596672736865
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 000000000000
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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