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 - 06/19/2021
TIME (EDT)12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM
SHOWALTER INDEX 9.079.238.788.458.378.478.678.678.789.099.289.39
LIFTED INDEX 8.418.478.628.779.269.389.459.429.579.749.468.7
SWEAT INDEX 104.810397.895.495.4297.0697.3793.8590.3687.0184.4376.01
K INDEX 7.065.458.878.713.6-1.27-2.62-2.97-5.38-7.22-6.13-4.19
TOTALS TOTAL INDEX 34.6434.5135.5236.2236.3936.2335.9336.0235.8535.2634.8634.62
LCL HEIGHT (Ft) 478540283581318527942459233122362001318842414832
LCL PRESSURE (mb) 805.69831.95846.74860.02872.97884.55888.8891.58900.69859.24824.02804.54
LCL TEMP (in C) 5.26.336.797.357.888.328.328.219.027.636.125.53
PRECIP WATER (in) 0.540.560.610.590.550.540.580.610.610.60.560.5
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) 1211.39.18.38.69.912.314.213.712.811.810.5
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) -91.37-97.99-96.3-97.18-105.19-92.38-76.08-59.41-32.46-18.92-87.09
SRH ( 0 - 3Km) (m/s) -246.9-260-268.4-304.7-380.9-395.5-339.3-251.9-194.4-159.7-113.2-130
STORM MOTION 316 at 43317 at 42316 at 41317 at 39317 at 37318 at 36321 at 35323 at 34326 at 32326 at 31324 at 29321 at 31
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 171613121312974211
3 KM SHEAR (Kts) 353133374042424140403633
6 KM SHEAR (Kts) 453938383737414241414038
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 715271677164716783018307830783018319828982898295
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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