UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:1200Z 30 APR 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 936 757 19.2 4.2 37 15.0 10.9 80 11 297.9 298.9 286.8 314.3 5.52 2 925 857 17.0 3.0 39 14.0 9.5 70 11 296.7 297.6 286.0 311.8 5.13 3 850 1569 10.2 1.2 54 9.0 5.6 65 5 296.8 297.7 285.8 311.4 4.91 4 700 3150 -0.3 -33.3 6 33.0 -7.6 80 3 302.2 302.2 282.7 303.3 0.33 5 500 5750 -18.9 -34.9 23 16.0 -21.4 35 7 310.0 310.1 285.8 311.4 0.39 6 400 7370 -30.9 -36.9 56 6.0 -31.6 60 9 314.8 314.9 287.5 316.3 0.40 7 300 9350 -46.5 -54.5 40 8.0 -46.8 60 13 319.8 319.8 288.8 320.1 0.08 8 250 10530 -55.5 -60.5 54 5.0 -55.6 60 17 323.6 323.6 289.9 323.7 0.04 9 200 11920 -64.1 -71.1 38 7.0 -64.1 55 17 331.2 331.3 292.1 331.3 0.01 10 187 12333 -65.5 -73.5 32 8.0 -65.5 55 19 335.4 335.4 293.2 335.5 0.01 11 150 13700 -59.9 -84.9 2 25.0 -60.1 25 11 366.9 366.9 300.0 366.9 0.00 12 100 16240 -58.5 -86.5 2 28.0 -58.9 20 9 414.7 414.7 307.1 414.7 0.00 TRP 187 12333 -65.5 -73.5 32 8.0 -65.5 55 19 335.4 335.4 293.2 335.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5564.00 m Freezing level: 704.29 mb = 3104.83 m = 10186.32 ft Wetbulb zero: 786.06 mb = 2205.81 m = 7236.82 ft Precipitable water: 0.39 inches Sfc-500 mean rel hum: 24.05 % Est. max temperature: 20.26 C = 68.47 F Sfc-Lift cond lev (LCL): 747.94 mb = 2610.59 m = 8564.84 ft T: 3.28 C 700-500 lapse rate: 7.15 C/km ThetaE index: 10.99 C Layer 925.0- 500.0 mb Conv cond level (CCL): 683.20 mb = 3337.68 m = 10950.26 ft Mean mixing ratio: 4.97 g/kg Conv temperature: 23.94 C = 75.08 F Cap Strength: 3.41 C Lifted Index: 2.47 C Risk: None Lifted Index @300 mb: 6.10 C Lifted Index @700 mb: 3.08 C Showalter Index: 2.58 C Risk: Showers probable Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 20.10 C K Index: -2.70 Risk: None Sweat Index: 35.40 Risk: None Energy Index: 0.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.42 J/kg Max Up Vert Vel: 2.20 m/s Conv Inhibition (B-): 8398.12 J/kg Cap Strength: 3.41 C Lift Cond Lev (LCL): 742.51 mb = 2669.91 m = 8759.45 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 85 at 4 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 ---------------------------------------------------------- 0 936 757 80 11 -10.8 -1.9 | 77 7 -6.6 -1.6 1 925 857 70 11 -10.3 -3.8 | 61 7 -6.1 -3.4 2 850 1569 65 5 -4.5 -2.1 | 10 2 -0.3 -1.8 3 700 3150 80 3 -3.0 -0.5 | 278 1 1.3 -0.2 4 500 5750 35 7 -4.0 -5.7 | 358 5 0.2 -5.4 5 400 7370 60 9 -7.8 -4.5 | 41 5 -3.6 -4.2 6 300 9350 60 13 -11.3 -6.5 | 49 9 -7.1 -6.2 7 250 10530 60 17 -14.7 -8.5 | 52 13 -10.5 -8.2 8 200 11920 55 17 -13.9 -9.8 | 46 14 -9.7 -9.4 9 187 12333 55 19 -15.6 -10.9 | 47 15 -11.4 -10.5 10 150 13700 25 11 -4.6 -10.0 | 3 10 -0.4 -9.6 11 100 16240 20 9 -3.1 -8.5 | 352 8 1.1 -8.1 Wind Parameters Mean winds (0-6000m): 55.3 at 5.6 knts Storm direction: 85.3 at 4.2 knts Shear (0-3000m) pos: 0.3 neg: 1.0 tot: 1.3 10-3/s Storm rel Dir Shear (0-3000m): -103.7 deg Storm rel helicity (0-3000m) pos: 0.3 neg: -6.8 tot: -6.5 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.48 Storm rel vorticity (0-3000m) horiz: 1.9 stream: -0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.92 Bulk Shear: 2.64 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 70 10 59 6| 0.0 4.1 4.1| 0.0 -5.2 -5.2 -10.4 -0.59| 5.5 -3.2 1000 69 8 51 4| 0.0 3.3 3.3| 0.0 -6.3 -6.3 -6.3 -0.59| 4.2 -2.5 1500 69 7 45 3| 0.3 2.2 2.5| 0.0 -6.5 -6.5 -4.3 -0.60| 3.1 -1.8 2000 70 6 38 2| 0.4 1.7 2.0| 0.0 -6.7 -6.7 -3.3 -0.63| 2.5 -1.6 2500 70 5 30 2| 0.4 1.3 1.7| 0.0 -6.8 -6.7 -2.7 -0.61| 2.1 -1.3 3000 71 5 23 1| 0.3 1.0 1.3| 0.3 -6.8 -6.5 -2.2 -0.48| 1.9 -0.9 4000 67 5 13 2| 0.2 0.8 1.0| 0.7 -6.8 -6.1 -1.5 -0.34| 1.7 -0.6 5000 59 5 6 2| 0.2 0.8 1.0| 0.7 -7.2 -6.5 -1.3 -0.31| 1.6 -0.5 6000 55 6 8 3| 0.2 0.6 0.8| 4.0 -7.2 -3.1 -0.5 -0.14| 1.6 -0.2 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20250430.12.gif