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 - 07/27/2024
TIME (EDT)12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM
SHOWALTER INDEX -0.04-0.84-1.39-0.45-0.86-0.89-1.370.341.28-0.34-1.16-1.89
LIFTED INDEX -1.31-2.35-3.27-2.03-1.58-1.01-1.32-1.08-0.9-0.93-0.82-1.49
SWEAT INDEX 219.41232.63260.78273.44278.08244.44203172.13141.66186.24316.9265.05
K INDEX 27.9633.1335.1833.6633.6936.1137.6135.3931.8333.4938.3639.06
TOTALS TOTAL INDEX 47.7449.0750.1647.5947.3947.3248.847.1646.448.6749.550.32
LCL HEIGHT (Ft) 346027412512237021532072181317311697213926293101
LCL PRESSURE (mb) 846.66870.95877.77883.2890.13892.15900.97903.41904.43889.19873.68858.54
LCL TEMP (in C) 16.9617.7317.9618.2218.4118.1718.1917.9517.7517.1716.6216.29
PRECIP WATER (in) 1.231.391.531.551.551.511.421.31.261.291.441.61
CAPE (J/Kg) 381.68642.70798.22814.95740.92507.94421.87359.32278.89164.98197.06312.02
NCAPE (J/Kg) 0.060.090.110.110.10.070.070.060.050.040.040.05
CINS (J/Kg) -373.56-323.46-352.74-319.71-301.92-333.15-387.85-420.58-480.63-485.69-438.23-344.02
LID STRENGTH (C) 10.19.48.66.54.74.43.94.97.455.44.1
EQ LEVEL (Ft) 351873588736151360633589334859310713146029500278392841329595
LFC (Ft) 139791190711375113901153011802117741196212322126621270610420
BULK RICHARDSON ---24.7622.5234.3746.8457.98------------------
BRN SHEAR (m/s) ---2635.423.715.88.8------------------
SRH ( 0 - 1Km) (m/s) 19.894.28-0.6269.57135.8791.1627.3534.5547.8887.6974.2650.17
SRH ( 0 - 3Km) (m/s) 269.8317.7436.4509.5304132.7-60.3-104-69.836.653.35.4
STORM MOTION 181 at 9178 at 14181 at 20210 at 18240 at 23246 at 26244 at 29246 at 27244 at 24248 at 26248 at 27246 at 27
ENERGY HELICITY(EHI) 0.641.282.182.61.410.42-0.16-0.23-0.120.040.070.01
1 KM SHEAR (Kts) 3135353732221288192117
3 KM SHEAR (Kts) 17203029262528232523146
6 KM SHEAR (Kts) 161511192529303537363836
UP VERT VELOCITY (m/s) 273539393731282623181924
WBZ (Ft) 947194839474948694869477947794689465945694689477
CRAVEN SIG SEVERE 3.144.964.527.979.547.586.526.475.313.063.855.78
SUPERCELL COMPOSITE (SCP) 1.42.64.300000-0.2000
SIG TORNADO (STP) 000000000.1000

* Move Mouse Over Colored Cells For Further Details

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