UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100906.upa.cvt Date: 0600Z 9 OCT 25 Searching for ETHA... Searching the city database file for: ETHA ... Date:0600Z 9 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 175 SFC 934 757 11.2 10.0 92 1.2 10.5 350 7 290.0 291.4 286.5 313.4 8.28 2 925 835 11.4 9.4 87 2.0 10.2 305 3 291.0 292.4 286.6 313.8 8.02 3 850 1537 6.6 6.2 97 0.4 6.4 275 7 293.1 294.3 286.5 313.2 7.01 4 700 3117 -0.7 -2.2 90 1.5 -1.4 300 7 301.7 302.6 287.3 315.8 4.65 5 500 5730 -17.1 -24.1 55 7.0 -18.7 300 17 312.2 312.4 287.3 315.9 1.09 6 400 7360 -28.1 -42.1 25 14.0 -29.6 295 21 318.5 318.5 288.5 319.3 0.24 7 300 9370 -42.7 -45.7 72 3.0 -42.9 285 31 325.2 325.2 290.6 326.0 0.21 8 250 10570 -50.9 -59.9 34 9.0 -51.1 285 36 330.4 330.4 291.9 330.6 0.05 9 208 11759 -55.3 -69.3 16 14.0 -55.5 285 35 341.3 341.3 294.7 341.4 0.02 10 200 12010 -54.7 -73.7 8 19.0 -55.0 285 31 346.1 346.1 295.8 346.2 0.01 11 150 13840 -57.1 -82.1 3 25.0 -57.4 315 29 371.7 371.7 300.9 371.7 0.00 12 100 16370 -63.5 -86.5 3 23.0 -63.7 300 17 405.0 405.0 305.9 405.0 0.00 TRP 208 11759 -55.3 -69.3 16 14.0 -55.5 285 35 341.3 341.3 294.7 341.4 0.02 WND Sounding variables and indices 1000-500 mb thick: 5555.00 m Freezing level: 714.38 mb = 2965.49 m = 9729.19 ft Wetbulb zero: 726.69 mb = 2812.52 m = 9227.31 ft Precipitable water: 0.87 inches Sfc-500 mean rel hum: 81.71 % Est. max temperature: 17.77 C = 63.98 F Sfc-Lift cond lev (LCL): 917.35 mb = 903.91 m = 2965.55 ft T: 10.93 C 700-500 lapse rate: 6.28 C/km ThetaE index: 0.54 C Layer 850.0- 700.0 mb Conv cond level (CCL): 860.11 mb = 1438.86 m = 4720.62 ft Mean mixing ratio: 7.46 g/kg Conv temperature: 13.96 C = 57.13 F Cap Strength: 1.74 C Lifted Index: 3.07 C Risk: None Lifted Index @300 mb: 8.61 C Lifted Index @700 mb: 1.74 C Showalter Index: 3.21 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 23.30 C K Index: 28.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 105.40 Risk: None Energy Index: 0.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.11 J/kg Max Up Vert Vel: 4.71 m/s Conv Inhibition (B-): 8569.18 J/kg Cap Strength: 2.93 C Lift Cond Lev (LCL): 868.28 mb = 1360.34 m = 4463.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 8 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 ---------------------------------------------------------- 0 934 757 350 7 1.2 -6.9 | 90 3 -3.3 -0.0 1 925 835 305 3 2.5 -1.7 | 159 6 -2.0 5.2 2 850 1537 275 7 7.0 -0.6 | 202 7 2.5 6.3 3 700 3117 300 7 6.1 -3.5 | 205 4 1.6 3.4 4 500 5730 300 17 14.7 -8.5 | 279 10 10.2 -1.6 5 400 7360 295 21 19.0 -8.9 | 278 15 14.5 -2.0 6 300 9370 285 31 29.9 -8.0 | 273 25 25.5 -1.1 7 250 10570 285 36 34.8 -9.3 | 275 30 30.3 -2.4 8 208 11759 285 35 33.8 -9.1 | 274 29 29.3 -2.2 9 200 12010 285 31 29.9 -8.0 | 273 25 25.5 -1.1 10 150 13840 315 29 20.5 -20.5 | 310 21 16.0 -13.6 11 100 16370 300 17 14.7 -8.5 | 279 10 10.2 -1.6 Wind Parameters Mean winds (0-6000m): 296.9 at 11.0 knts Storm direction: 326.9 at 8.2 knts Shear (0-3000m) pos: 0.5 neg: 1.5 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 149.7 deg Storm rel helicity (0-3000m) pos: 13.2 neg: -0.0 tot: 13.2 m^2/s^2 ave: 4.4 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 2.7 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.90 Bulk Shear: 5.85 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 ------------------------------------------------------------------------------- 500 301 4 171 5| 0.0 6.8 6.8| 7.9 0.0 7.9 15.8 0.94| 8.6 8.1 1000 285 5 188 6| 0.0 4.2 4.2| 10.4 0.0 10.4 10.4 0.87| 5.6 4.8 1500 284 6 193 6| 0.3 2.8 3.1| 10.7 0.0 10.7 7.1 0.82| 4.0 3.3 2000 286 6 196 5| 0.5 2.1 2.6| 10.8 0.0 10.8 5.4 0.76| 3.3 2.5 2500 289 6 198 5| 0.6 1.7 2.3| 11.3 -0.0 11.3 4.5 0.73| 2.9 2.1 3000 291 7 202 5| 0.5 1.5 2.0| 13.2 -0.0 13.2 4.4 0.76| 2.7 2.1 4000 294 8 217 5| 0.4 1.4 1.8| 17.0 -0.0 16.9 4.2 0.75| 2.5 1.9 5000 296 9 236 5| 0.3 1.4 1.7| 20.6 -0.0 20.6 4.1 0.69| 2.4 1.7 6000 297 11 250 6| 0.2 1.4 1.7| 20.6 -0.3 20.3 3.4 0.62| 2.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//ETHA/skewt/ETHA.skewt.20251009.06.gif