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)	4 AM	5 AM	6 AM	7 AM	8 AM	9 AM	10 AM	11 AM	12 PM	1 PM	2 PM	3 PM
SHOWALTER INDEX	10.38	10.66	11.11	11.34	11.39	11.65	11.68	11.28	12.15	12.49	13.58	13.58
LIFTED INDEX	10.87	11.45	12.09	12.51	12.88	13.27	13.39	12.85	12.84	11.95	12.58	13.39
SWEAT INDEX	57.85	186.84	194.15	63.11	63.22	195.75	205.04	212.94	222.98	222.2	231.06	230.1
K INDEX	-17.87	-11.91	-2.92	6.89	11.35	11.49	12.17	14.01	14.06	12.54	11.56	13.32
TOTALS TOTAL INDEX	37.25	36.71	35.75	35.29	35.16	34.64	34.73	35.61	33.75	33.08	30.59	31.7
LCL HEIGHT (Ft)	2283	2422	2573	2292	1962	2848	3970	4720	5016	5719	5670	5657
LCL PRESSURE (mb)	901.11	896.66	892.04	901	912.01	883.37	845.06	819.76	809.61	785.77	786.4	786.23
LCL TEMP (in C)	-1.04	-1.63	-2.06	-1.75	-1.29	-1.69	-2.55	-3.25	-3.23	-4.56	-4.7	-4.86
PRECIP WATER (in)	0.33	0.37	0.42	0.47	0.5	0.52	0.56	0.59	0.63	0.66	0.69	0.74
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)	14.3	16.3	17.9	19.1	20.2	21.6	22.7	23.9	23.8	24	25.2	25.4
EQ LEVEL (Ft)	---	---	---	---	---	---	---	---	---	---	---	---
LFC (Ft)	---	---	---	---	---	---	---	---	---	---	---	---
BULK RICHARDSON	---	---	---	---	---	---	---	---	---	---	---	---
BRN SHEAR (m/s)	---	---	---	---	---	---	---	---	---	---	---	---
SRH ( 0 - 1Km) (m/s)	-1.54	-4.93	-10.91	-16.83	-16.63	-20.52	-14.05	2.57	6.47	0.47	-3.27	2.31
SRH ( 0 - 3Km) (m/s)	80.5	83.3	65.2	37	28.9	24.7	48.5	85.9	97.3	67	73.6	161.3
STORM MOTION	14 at 6	12 at 6	7 at 5	12 at 5	22 at 4	62 at 3	99 at 3	138 at 3	164 at 3	169 at 4	171 at 6	206 at 6
ENERGY HELICITY(EHI)	0	0	0	0	0	0	0	0	0	0	0	0
1 KM SHEAR (Kts)	14	16	17	19	20	22	20	18	13	9	9	11
3 KM SHEAR (Kts)	13	11	9	8	8	8	9	14	14	15	11	24
6 KM SHEAR (Kts)	37	39	41	42	41	43	46	43	43	40	35	36
UP VERT VELOCITY (m/s)	---	---	---	---	---	---	---	---	---	---	---	---
WBZ (Ft)	2751	2754	2754	2751	2754	2754	2748	2751	2748	2748	2745	2739
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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