WXForecasting.com - UPPER AIR SOUNDING REPORT

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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 KSAW - 09/24/2018
TIME (EDT)	4 PM	5 PM	6 PM	7 PM	8 PM	9 PM	10 PM	11 PM	12 AM	1 AM	2 AM	3 AM
SHOWALTER INDEX	13.18	12.57	11.56	8.03	5.46	5.87	4.24	2.88	2.11	2.12	1.66	1.7
LIFTED INDEX	6.56	6.65	7.22	7.71	7.68	5.44	4.08	3.11	2.3	1.78	1.57	1.02
SWEAT INDEX	117.75	113.79	108.96	108.38	154.22	152.1	189.71	211.29	204.85	196.8	198.77	199.27
K INDEX	-14.2	-11.87	-7.59	2.66	4.88	1.78	3.56	6.25	6.38	6.06	5.74	1.32
TOTALS TOTAL INDEX	21.44	24.14	27.52	37.02	41.33	40.75	42.8	44.43	45.69	46.03	47	46.91
LCL HEIGHT (Ft)	2437	2936	2924	2547	2059	1654	1465	1531	1429	1137	905	634
LCL PRESSURE (mb)	895.07	877.95	878.32	889.3	905.67	920.96	924.97	922.76	927.66	933.71	942.13	951.36
LCL TEMP (in C)	10.9	9.67	9.61	9.97	10.36	10.78	10.93	11.23	11.83	12.38	13.25	13.93
PRECIP WATER (in)	0.54	0.53	0.53	0.58	0.67	0.76	0.78	0.79	0.82	0.86	0.87	0.85
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)	10.8	8.9	12.2	13.8	21	4.9	0.2	0	0.4	1.8	5	1.9
EQ LEVEL (Ft)	---	---	---	---	---	---	---	---	---	---	---	---
LFC (Ft)	---	---	---	---	---	---	---	---	---	---	---	---
BULK RICHARDSON	---	---	---	---	---	---	---	---	---	---	---	---
BRN SHEAR (m/s)	---	---	---	---	---	---	---	---	---	---	---	---
SRH ( 0 - 1Km) (m/s)	56.42	68.04	75.76	93.61	122.02	151.24	170.72	177.08	174.79	142.8	100.86	107.82
SRH ( 0 - 3Km) (m/s)	128.8	120.8	132	168.7	174.8	141.1	182.8	226.9	249.5	219.7	145	108.3
STORM MOTION	197 at 21	202 at 21	206 at 21	208 at 21	216 at 22	226 at 24	229 at 26	234 at 25	243 at 24	243 at 24	245 at 27	245 at 31
ENERGY HELICITY(EHI)	0	0	0	0	0	0	0	0	0	0	0	0
1 KM SHEAR (Kts)	24	23	23	26	30	31	32	32	30	28	23	27
3 KM SHEAR (Kts)	22	25	25	24	23	21	21	22	23	24	27	28
6 KM SHEAR (Kts)	27	28	29	30	31	32	34	35	34	34	33	34
UP VERT VELOCITY (m/s)	---	---	---	---	---	---	---	---	---	---	---	---
WBZ (Ft)	8430	8424	8424	7254	8412	8439	8412	7263	8430	8382	8391	8391
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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SOUTHERN MARYLAND WEATHER
www.somdweather.com