Sounding De Bilt 12Z
Station Elevation: 4 meters 13 feet.
SFC: 1011 mb (29,85 in) T:26,6 C (79,9F) Td:19,6 C (67,3F)
Height of the 1000 mb level = 100 meters ( 328 feet).
Convective Temp = 30,1 C (86,1F)
DownRush Temp = 15,9 C (60,6F)
Surface-900mb Mean Wetbulb Theta = 293,3 K (20,1 C)
Mixing Layer height = 896 meters,AGL Transport Mean Wind = 232/9,3 m/s Peak Wind = 235/12,8 m/s
Ventilation Index = Good (8320)
Haines Index = Very Low
Tropopause: 1st = 11771 m,MSL at 213 mb, -54,9 C, 249/83,8 kts
SFC Wind: 210/10 kt (12mph) MAX Wind: 250/85 kt (98mph) 38422 ft,MSL
Surface Gust: T1_GUST = 36 kt 41 mph
Surface Gust: T2_GUST = 41 kt 47 mph
Surface Gust: WINDEX = 45 kt 52 mph
Corfidi MSC storm vector data ...
Meso-Beta Upshear Vector = 258/14 kts
MSC Downshear Vector = 248/64 kts
Mean cloud layer flow = 245/50 kts
Low-level jet = 240/36 kts
Storm Motion: 266/36 kt, using the Bunkers method with the 0-6km default layer.
Mean winds (kts): 0-6 km - 243/37 kt BRN_Shear = 61.7 m²/s²
0-500 m - 231/16 kt
The -20 C level is at 411 mb 23793 ft,AGL 23806 ft,MSL Wind: 245/62 kts
The -10 C level is at 522 mb 17883 ft,AGL 17896 ft,MSL Wind: 242/46 kts
The -5 C level is at 585 mb 14980 ft,AGL 14993 ft,MSL Wind: 244/39 kts
The 0 C level is at 636 mb 12775 ft,AGL 12788 ft,MSL Wind: 245/37 kts
The WBZ level is at 695 mb 10429 ft,AGL 10442 ft,MSL
Precipitable water = 3,88 cm
Hail = 1,36 inch 3,45 cm
Inversions AGL: Subsidence = 200 mb -53,9 C 39930 ft 12171 m
Frontal = 425 mb -19,5 C 22979 ft 7004 m
Subsidence = 435 mb -18,9 C 22412 ft 6831 m
Subsidence = 552 mb -7,5 C 16459 ft 5017 m
Subsidence = 887 mb 18,2 C 3723 ft 1135 m
NO Fog Layers
Parcel Lift Method = SURFACE DATA -- Using the Dry Bulb temperature profile.
PARCEL = 1011 mb T: 26,6 C Td: 19,6 C
CAPE total = 1538 J/kg
CAPE+ only = 1548 J/kg
CAPE 0-3km = 11 J/kg
CIN = -10 J/kg
DCAPE = 712 J/kg (Method: average wetbulb temperature)
NCAPE = 0,14
MPL = 139 mb 47845 ft,AGL 47858 ft,MSL
Sig Levels AGL (MSL): ccl-EL = 212 mb -54,8 C 38752 ft (38765ft)
lfc-EL = 212 mb -54,8 C 38723 ft (38736ft)
LFC = 913 mb 18,0 C 2920 ft ( 2933ft)
CCL = 849 mb 15,3 C 4943 ft ( 4956ft)
LCL = 913 mb 18,0 C 2920 ft ( 2933ft)
CCL determined from a 13,0 g/kg mean mixing ratio from the lower 100 mb layer.
Thickness: 1000 mb - 500 mb = 5684 m, 18648 ft -6,5 C/km
1000 mb - 700 mb = 3025 m, 9925 ft -6,1 C/km
1000 mb - 850 mb = 1402 m, 4600 ft -6,7 C/km
850 mb - 500 mb = 4282 m, 14049 ft -6,5 C/km
850 mb - 700 mb = 1622 m, 5322 ft -5,5 C/km
700 mb - 500 mb = 2659 m, 8724 ft -7,0 C/km
600 mb - 400 mb = 3090 m, 10138 ft -5,9 C/km
--------------------------------
Severe weather parameters
Parameter Weak Moderate Strong
------ ----------------------------------- ---- ------ ------
1 200 mb Wind Speed (kt) 76
1 500 mb Wind Speed (kt) 54
1 700 mb Wind Speed (kt) 38
1 700 mb Dewpoint Depression (C) 13,0
1 850 mb Wind Speed (kt) 36
1 850 mb Dewpoint (C) 10,4
1 700 - 500 mb lapse rate (C/km) -7,0
1 Boyden Index 96,1
1 BRN - Bulk Richardson No. 25
1 BRN Shear (m²/s²) 61,7
1 CAP Strength -0,1
1 CAPE 0-x km, AGL 11
1 CAPE Total 1538
1 Craven SigSvr Parameter (mixed-layer lift) n/a
1 CT - Cross Totals 22,7
1 DCAPE 0-6 km, MSL 712
1 Delta Theta-e (ePT) 25,7
1 EHI - Energy Helicity Index 1,1
1 GOES HMI (Hybrid Microburst Index) 5
1 Hail (cm) 3,45
1 HI - Humidity Index 25,0
1 JI - Jefferson Index 28
1 K Index 25,1
1 KO Index -12,1
1 LFC-LCL height (m) 0
1 LFC - Level of Free Convection (mb) 913
1 LI - Lifted Index -5,8
1 MDPI - Microburst Day Potential Index 0,9
1 NCAPE (Normalized CAPE) 0,14
1 S Index 37,4
1 SCP - Supercell Composite Parameter 3,1
1 Severity - Thunderstorm Severiry Index 1,8
1 SHIP - Significant Hail Parameter 1,1
1 SI - Showalter Index -1,1
1 srH - storm-relative Helicity (0-3 km) 130
1 STP - Significant Tornado Parameter 0,3
1 Surface Dewpoint (C) 19,6
1 SWEAT Index 325,5
1 T2 Gust (kt) 41
1 TI - Thompson Index 31
1 TQ Index 15
1 TT - Total Totals 50,4
1 VGP - Vorticity Generation Parameter 0,194
1 VT - Vertical Totals 27,7
1 WBZ - WetBulb Zero Hgt (ft,AGL) 10429
1 Windex (kt) 45
1 WMSI - Wet Microburst Severity Index 40
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