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 - 04/21/2024
TIME (EDT)8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM
SHOWALTER INDEX 13.9514.2714.4614.7615.0215.0614.8514.5414.213.4912.8512.08
LIFTED INDEX 15.4315.6715.6615.5515.1714.6814.5614.2113.7813.3512.6711.97
SWEAT INDEX 64.3963.0762.3860.155.948.647.4445.4646.1448.7550.2451.15
K INDEX -15.05-17.49-19.31-20.5-20.65-18.81-16.5-15.92-15.06-12.84-10.58-8.41
TOTALS TOTAL INDEX 29.4728.327.626.4825.6726.3127.0726.926.8328.1129.5231.5
LCL HEIGHT (Ft) 277134284221516358217290830989529443977996229144
LCL PRESSURE (mb) 883.43862.04835.9803.91782.07732.4697.54675.61657.83645.32649.96665.09
LCL TEMP (in C) -8.59-8.73-8.58-8.82-8.37-11.48-13.85-15.18-16.14-16.74-15.72-13.87
PRECIP WATER (in) 0.190.190.190.190.20.20.20.20.20.20.210.23
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) 18.418.919.620.120.419.919.419.218.718.417.716.8
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) 41.1435.9830.3525.5622.269.028.126.96.386.896.648.34
SRH ( 0 - 3Km) (m/s) 68.454.133.421.921.12225.728.738.554.469.482.3
STORM MOTION 3 at 184 at 193 at 195 at 188 at 1713 at 1511 at 1310 at 116 at 10359 at 8352 at 6340 at 6
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 1197652222334
3 KM SHEAR (Kts) 171715131312121212131415
6 KM SHEAR (Kts) 313029272726262727272626
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 0084144920672070206727422733273034563456
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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