UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101618.upa.cvt Date: 1800Z 16 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1800Z 16 OCT 25 Station: ETHA WMO ident: 10954 Latitude: 47.83 Longitude: 10.87 Elevation: 757.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- 0 1000 186 SFC 934 757 7.4 5.4 87 2.0 6.3 20 7 286.1 287.1 282.6 303.0 6.02 2 925 834 6.4 5.0 91 1.4 5.7 5 7 285.9 286.9 282.4 302.4 5.91 3 850 1525 3.8 1.6 86 2.2 2.7 110 5 290.1 291.0 283.2 304.6 5.05 4 700 3090 -0.9 -18.9 24 18.0 -6.4 40 9 301.5 301.7 283.5 305.4 1.23 5 500 5690 -17.3 -33.3 23 16.0 -20.1 55 11 311.9 312.0 286.6 313.6 0.46 6 400 7310 -31.7 -43.7 30 12.0 -32.7 45 15 313.8 313.8 286.9 314.5 0.20 7 300 9300 -44.5 -59.5 17 15.0 -45.0 35 19 322.6 322.6 289.6 322.8 0.04 8 250 10490 -53.3 -63.3 29 10.0 -53.5 40 19 326.8 326.8 290.9 326.9 0.03 9 225 11164 -57.5 -62.5 53 5.0 -57.6 30 13 330.4 330.4 291.9 330.5 0.04 10 200 11910 -57.3 -72.3 13 15.0 -57.5 335 5 342.0 342.0 294.8 342.1 0.01 11 150 13720 -59.3 -82.3 4 23.0 -59.5 345 9 367.9 367.9 300.2 367.9 0.00 12 100 16240 -60.9 -84.9 3 24.0 -61.2 300 13 410.1 410.1 306.5 410.1 0.00 TRP 225 11164 -57.5 -62.5 53 5.0 -57.6 30 13 330.4 330.4 291.9 330.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5504.00 m Freezing level: 728.72 mb = 2790.32 m = 9154.48 ft Wetbulb zero: 805.44 mb = 1958.99 m = 6427.06 ft Precipitable water: 0.46 inches Sfc-500 mean rel hum: 43.15 % Est. max temperature: 15.96 C = 60.73 F Sfc-Lift cond lev (LCL): 905.85 mb = 1004.97 m = 3297.11 ft T: 5.76 C 700-500 lapse rate: 6.31 C/km ThetaE index: 0.54 C Layer 925.0- 850.0 mb Conv cond level (CCL): 749.80 mb = 2535.98 m = 8320.04 ft Mean mixing ratio: 5.40 g/kg Conv temperature: 18.53 C = 65.35 F Cap Strength: 6.52 C Lifted Index: 9.16 C Risk: None Lifted Index @300 mb: 13.61 C Lifted Index @700 mb: 6.52 C Showalter Index: 8.46 C Risk: None Total Totals Index: 40.00 C Risk: None Vertical Totals Index: 21.10 C Cross Totals Index: 18.90 C K Index: 4.70 Risk: None Sweat Index: 40.20 Risk: None Energy Index: 1.90 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.58 J/kg Max Up Vert Vel: 5.76 m/s Conv Inhibition (B-): 11397.29 J/kg Cap Strength: 9.03 C Lift Cond Lev (LCL): 856.43 mb = 1463.45 m = 4801.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 81 at 7 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 934 757 20 7 -2.4 -6.6 | 321 7 4.4 -5.5 1 925 834 5 7 -0.6 -7.0 | 314 9 6.2 -5.9 2 850 1525 110 5 -4.7 1.7 | 217 3 2.1 2.8 3 700 3090 40 9 -5.8 -6.9 | 350 6 1.0 -5.8 4 500 5690 55 11 -9.0 -6.3 | 23 6 -2.2 -5.3 5 400 7310 45 15 -10.6 -10.6 | 22 10 -3.8 -9.6 6 300 9300 35 19 -10.9 -15.6 | 16 15 -4.1 -14.5 7 250 10490 40 19 -12.2 -14.6 | 22 15 -5.4 -13.5 8 225 11164 30 13 -6.5 -11.3 | 358 10 0.3 -10.2 9 200 11910 335 5 2.1 -4.5 | 291 10 8.9 -3.5 10 150 13720 345 9 2.3 -8.7 | 310 12 9.1 -7.6 11 100 16240 300 13 11.3 -6.5 | 287 19 18.1 -5.4 Wind Parameters Mean winds (0-6000m): 51.2 at 9.2 knts Storm direction: 81.2 at 6.9 knts Shear (0-3000m) pos: 1.4 neg: 1.3 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 36.5 deg Storm rel helicity (0-3000m) pos: 3.1 neg: -4.4 tot: -1.3 m^2/s^2 ave: -0.4 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 3.8 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.98 Bulk Shear: 2.08 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 30 6 322 6| 5.6 0.0 5.6| 1.9 -2.2 -0.3 -0.7 -0.08| 8.5 -0.6 1000 56 6 320 3| 4.2 0.0 4.2| 1.9 -3.5 -1.7 -1.7 -0.27| 6.7 -1.8 1500 69 6 313 2| 2.8 0.9 3.7| 1.9 -3.5 -1.6 -1.1 -0.16| 5.5 -0.9 2000 65 6 328 2| 2.1 1.5 3.6| 2.0 -3.7 -1.7 -0.9 -0.13| 4.9 -0.7 2500 56 7 338 3| 1.7 1.6 3.3| 2.2 -4.4 -2.2 -0.9 -0.14| 4.4 -0.6 3000 53 7 343 3| 1.4 1.3 2.8| 3.1 -4.4 -1.3 -0.4 -0.11| 3.8 -0.4 4000 51 8 350 4| 1.2 1.0 2.2| 5.0 -4.4 0.6 0.2 -0.05| 3.0 -0.1 5000 51 9 358 4| 1.0 0.8 1.8| 6.9 -4.4 2.5 0.5 0.00| 2.6 0.0 6000 51 9 4 5| 0.9 0.9 1.8| 7.0 -4.6 2.4 0.4 0.00| 2.4 0.0 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251016.18.gif