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 - 04/17/2025
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	4.25	4.48	5.96	8.05	8.41	11.28	10.55	10.37	9.7	9.6	10.17	11.73
LIFTED INDEX	9.98	12.04	12.29	12.81	11.27	10.51	10.55	10.93	11.26	12.17	11.82	12.14
SWEAT INDEX	104.57	128.44	116.19	113.44	117.34	87.11	96.58	92.23	98.8	104.98	98.35	101.33
K INDEX	15.86	15.19	12.86	10.84	10.79	9.85	17.46	18.98	19.14	17.35	16.92	14.6
TOTALS TOTAL INDEX	46.19	45.38	43.16	39.3	39.27	35.66	36.72	37.13	38.3	38.76	38.32	36.01
LCL HEIGHT (Ft)	2148	2450	2508	3214	3246	3236	3556	2507	1544	1752	1713	1861
LCL PRESSURE (mb)	884.3	874.44	872.09	848.97	846.51	850.05	838.98	874.05	905.95	900.29	902.31	897.77
LCL TEMP (in C)	1.07	0.37	0.88	0.3	0.96	1.79	1.28	2.75	4.03	2.74	2.66	2.23
PRECIP WATER (in)	0.66	0.69	0.65	0.66	0.69	0.74	0.8	0.84	0.85	0.81	0.79	0.75
CAPE (J/Kg)	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.76	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	-0.78	0.00
LID STRENGTH (C)	5.9	13.9	17.6	20.3	20.4	15.7	15.6	14.9	14.1	15.8	16.4	16.6
EQ LEVEL (Ft)	---	---	---	---	---	---	---	---	---	---	4070	---
LFC (Ft)	---	---	---	---	---	---	---	---	---	---	3507	---
BULK RICHARDSON	---	---	---	---	---	---	---	---	---	---	---	---
BRN SHEAR (m/s)	---	---	---	---	---	---	---	---	---	---	---	---
SRH ( 0 - 1Km) (m/s)	-57.52	-68.96	-83.91	-34.5	-53.05	-41.15	-33.34	-38.46	-55.26	-77.25	-97.4	-99.14
SRH ( 0 - 3Km) (m/s)	90.4	100.8	-198.8	-95.2	143.6	206.7	222.8	166.9	130.5	30.4	7.3	-17.4
STORM MOTION	267 at 26	263 at 24	270 at 21	255 at 22	260 at 24	271 at 22	263 at 21	274 at 22	282 at 26	285 at 29	288 at 29	291 at 29
ENERGY HELICITY(EHI)	0	0	0	0	0	0	0	0	0	0	0	0
1 KM SHEAR (Kts)	20	24	24	18	12	8	8	7	9	11	14	15
3 KM SHEAR (Kts)	35	40	37	38	50	37	32	32	28	27	25	22
6 KM SHEAR (Kts)	56	51	56	62	63	54	59	54	49	53	46	48
UP VERT VELOCITY (m/s)	---	---	---	---	---	---	---	---	---	---	1	---
WBZ (Ft)	7053	7053	6015	6015	6006	6033	3402	6033	6033	6045	6048	2694
CRAVEN SIG SEVERE	0	0	0	0	0	0	0	0	0	0	0.02	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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