WXForecasting.com - UPPER AIR SOUNDING REPORT

NOTE! Normal observations are at 0Z or 12Z.

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 - 04/26/2025
TIME (EDT)	9 AM	10 AM	11 AM	12 PM	1 PM	2 PM	3 PM	4 PM	5 PM	6 PM	7 PM	8 PM
SHOWALTER INDEX	10.48	11.36	12.28	12.5	13.34	12.82	12.72	11.25	11.19	12.69	12.1	10.81
LIFTED INDEX	10.77	10.99	10.75	11.24	11.72	11.22	11.6	10.46	10.03	10.86	11.15	11.51
SWEAT INDEX	212.2	210.82	215.99	213.63	219.61	222.2	224.5	228.24	234.64	234.47	249.66	250.49
K INDEX	11.83	9.76	8.32	9.22	9.48	12.67	14.07	17.2	17.48	14.3	16	18.47
TOTALS TOTAL INDEX	36.35	34.48	32.17	32.34	30.49	31.96	32.6	35.8	35.87	32.4	33.87	36.04
LCL HEIGHT (Ft)	2341	3397	4919	5713	5615	5864	5568	4597	3866	4465	4430	4859
LCL PRESSURE (mb)	898.46	863.07	812.44	786.07	788.34	780.04	789.49	820.48	844.54	824.38	824.23	808.43
LCL TEMP (in C)	1.23	0.43	-2.08	-4.07	-3.95	-4.39	-3.72	-1.1	0.89	-0.69	-0.6	-2.08
PRECIP WATER (in)	0.53	0.53	0.55	0.56	0.59	0.66	0.69	0.76	0.74	0.76	0.76	0.82
CAPE (J/Kg)	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
NCAPE (J/Kg)	0	0	0	0	0	0	0	0	0	0	0	0
CINS (J/Kg)	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
LID STRENGTH (C)	20.3	21.9	22.1	23.3	23.4	21.6	21	20.9	20.1	25.1	24.1	24.4
EQ LEVEL (Ft)	---	---	---	---	---	---	---	---	---	---	---	---
LFC (Ft)	---	---	---	---	---	---	---	---	---	---	---	---
BULK RICHARDSON	---	---	---	---	---	---	---	---	---	---	---	---
BRN SHEAR (m/s)	---	---	---	---	---	---	---	---	---	---	---	---
SRH ( 0 - 1Km) (m/s)	-11.28	-6.3	-0.86	0.25	4.15	3.49	2.5	2.14	10.09	16.35	35.2	54.57
SRH ( 0 - 3Km) (m/s)	67.4	71.9	72	55.3	78.2	116.4	112.8	111.2	164.6	213.1	306.6	349.7
STORM MOTION	94 at 3	90 at 2	119 at 2	131 at 4	167 at 5	180 at 6	186 at 6	185 at 6	190 at 7	184 at 9	207 at 9	209 at 10
ENERGY HELICITY(EHI)	0	0	0	0	0	0	0	0	0	0	0	0
1 KM SHEAR (Kts)	23	17	12	8	8	8	9	10	13	14	17	19
3 KM SHEAR (Kts)	10	12	11	7	13	19	18	14	18	19	25	26
6 KM SHEAR (Kts)	34	34	33	37	39	37	33	32	32	31	35	36
UP VERT VELOCITY (m/s)	---	---	---	---	---	---	---	---	---	---	---	---
WBZ (Ft)	3483	2751	2748	2751	2745	2745	3477	3474	3474	3468	3465	8355
CRAVEN SIG SEVERE	0	0	0	0	0	0	0	0	0	0	0	0
SUPERCELL COMPOSITE (SCP)	0	0	0	0	0	0	0	0	0	0	0	0
SIG TORNADO (STP)	0	0	0	0	0	0	0	0	0	0	0	0

* Move Mouse Over Colored Cells For Further Details

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