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 - 09/25/2021
TIME (EDT)9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM
SHOWALTER INDEX 17.9417.8717.8917.3316.7115.1213.0811.369.798.297.396.29
LIFTED INDEX 18.7718.6618.7217.9616.6814.8112.4510.8910.189.529.078.52
SWEAT INDEX 86.3685.2887.7684.2379.3576.0974.2272.4870.0767.9865.662.96
K INDEX -19.54-12.63-8.41-5.54-1.854.258.119.3511.1712.9114.1215.22
TOTALS TOTAL INDEX 16.1815.3814.5515.0416.3221.4526.6430.4533.5536.2637.7639.63
LCL HEIGHT (Ft) 138923453763457757866510691575738077814375676466
LCL PRESSURE (mb) 922.2890.13841.98814.75773.43749.59735.6711.78693.76691.66710.66747.26
LCL TEMP (in C) -1.39-1.77-2.03-1.23-2.06-2.08-1.65-2.76-3.72-3.42-1.490.68
PRECIP WATER (in) 0.380.390.420.490.560.620.660.70.720.710.710.73
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) 27.326.52625.122.921.419.918.116.816.114.514.4
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) 88.9196.43101.78110.29105.7391.2563.5336.935.4337.6655.8667
SRH ( 0 - 3Km) (m/s) 155.7127141.2158.2136104.370.347.554.663.65879.3
STORM MOTION 336 at 28334 at 28334 at 27337 at 25339 at 23340 at 23343 at 23347 at 23348 at 21346 at 20348 at 19350 at 18
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 1212131414139556911
3 KM SHEAR (Kts) 323232323029262422212020
6 KM SHEAR (Kts) 595551504844434341414341
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 717371706105610571558301829571408259825982568256
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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