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 - 08/14/2022
TIME (EDT)10 PM11 PM12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM
SHOWALTER INDEX 8.026.936.786.947.338.269.438.946.627.597.476.34
LIFTED INDEX 3.413.172.632.272.42.572.762.782.632.622.221.27
SWEAT INDEX 71.98106.5110.66102.2593.2568.3635.7334.6895.6634.2251.3273.86
K INDEX 1720.0320.9221.1221.1821.0120.2821.4921.8822.4620.2720.45
TOTALS TOTAL INDEX 35.0636.5236.6536.5836.0534.6632.4533.4937.4535.4736.3538.37
LCL HEIGHT (Ft) 203915391083657433380501519645899800901
LCL PRESSURE (mb) 901.44918.19933.19947.4955.36956.74952.69951.1948.69938.82942.93939.75
LCL TEMP (in C) 16.661717.3717.6417.5917.0516.616.4416.3815.8315.9316.03
PRECIP WATER (in) 1.141.131.131.161.181.191.231.271.261.391.351.31
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) 10.88.35.433.248.49.34.124.510.78.1
EQ LEVEL (Ft) ------------------------------------
LFC (Ft) ------------------------------------
BULK RICHARDSON ------------------------------------
BRN SHEAR (m/s) ------------------------------------
SRH ( 0 - 1Km) (m/s) -66.03-64.91-55.55-38.73-0.4334.0827.8723.713.092.9122.537.1
SRH ( 0 - 3Km) (m/s) 9.545.674.576.367.584.49069.552.8-34.518.126.9
STORM MOTION 353 at 24352 at 24354 at 22356 at 20350 at 20346 at 20347 at 19346 at 19344 at 18348 at 15357 at 13355 at 14
ENERGY HELICITY(EHI) 000000000000
1 KM SHEAR (Kts) 10111213131186621011
3 KM SHEAR (Kts) 201715141518192116272220
6 KM SHEAR (Kts) 252523212228303129353232
UP VERT VELOCITY (m/s) ------------------------------------
WBZ (Ft) 957995859582958295889582957995641090510881108969585
CRAVEN SIG SEVERE 000000000000
SUPERCELL COMPOSITE (SCP) 000000000000
SIG TORNADO (STP) 000000000000

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