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 - 03/19/2024
TIME (EST)11 PM12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM
SHOWALTER INDEX 4.344.535.3665.7966.877.428.358.978.968.71
LIFTED INDEX 9.228.168.559.229.379.5510.0510.9411.5111.8711.811.5
SWEAT INDEX 110.32107.85110.22116.18120.72127.81129.55128.92132.03135.56130.79130.7
K INDEX 8.597.927.935.214.851.76-3.320.013.554.918.7510.93
TOTALS TOTAL INDEX 45.946.2444.744344.2844.5843.5143.0141.6340.3840.1240.51
LCL HEIGHT (Ft) 57204922393720831153105083973271869610702047
LCL PRESSURE (mb) 769.64796.35829.27891.96923.48927.69933.75938.81939.77940.41928.62896.36
LCL TEMP (in C) -12.57-11.26-8.79-3.2-1.05-0.46-0.27-0.37-0.53-0.76-0.41-0.73
PRECIP WATER (in) 0.330.310.320.340.360.360.330.340.340.340.370.42
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) 8.77.38.810.79.999.110.711.511.911.612.3
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) 266.6595.98-40.66-119.75-134.58-153.26-158.31-161.7-148.66-119.2-62.99-18.74
SRH ( 0 - 3Km) (m/s) 572.9245-59.4-162.3-133.4-143.7-88.2-45-77.7-78.7-89.2-70.1
STORM MOTION 328 at 25340 at 29333 at 44331 at 47330 at 47329 at 51328 at 53326 at 55325 at 57326 at 58329 at 56329 at 55
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 393334313027252321201813
3 KM SHEAR (Kts) 413630293134374547484643
6 KM SHEAR (Kts) 434241434544465056606364
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 509100422142244227342634293432270927092709
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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