UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 18 APR 25 Station: OIZH WMO ident: 40856 Latitude: 29.47 Longitude: 60.88 Elevation: 1370.00 ------------------------------------------------------------------------------- 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 17 1 920 -9862 SFC 858 1370 21.8 -1.2 21 23.0 9.6 250 9 308.2 308.9 289.0 320.9 4.08 3 853 1417 21.6 -2.4 20 24.0 9.2 231 18 308.5 309.2 288.8 320.2 3.75 4 850 1446 21.6 -2.4 20 24.0 9.2 220 23 308.8 309.5 288.9 320.6 3.77 5 840 1548 21.4 -1.6 21 23.0 9.3 222 23 309.6 310.4 289.5 322.3 4.05 6 700 3098 11.8 -26.2 5 38.0 -0.5 250 27 315.6 315.7 288.0 317.8 0.64 7 679 3351 9.6 -28.4 5 38.0 -2.0 250 30 315.9 316.0 288.0 317.8 0.54 8 656 3636 7.2 -23.8 9 31.0 -2.9 249 33 316.3 316.4 288.5 319.2 0.85 9 645 3774 6.2 -39.8 2 46.0 -4.6 249 34 316.7 316.7 287.9 317.4 0.19 10 623 4057 3.8 -26.2 9 30.0 -5.3 248 37 317.1 317.2 288.6 319.6 0.72 11 500 5800 -9.3 -49.3 2 40.0 -15.3 245 56 321.7 321.7 289.4 322.0 0.09 12 453 6550 -15.7 -57.7 1 42.0 -20.1 247 59 322.9 322.9 289.7 323.0 0.03 13 411 7272 -21.5 -33.5 33 12.0 -23.7 249 61 324.5 324.6 290.7 326.5 0.55 14 401 7452 -22.9 -48.9 7 26.0 -25.7 250 62 325.0 325.0 290.4 325.4 0.11 15 400 7470 -23.1 -47.1 9 24.0 -25.8 250 62 325.0 325.0 290.4 325.5 0.14 16 373 7978 -27.9 -37.9 38 10.0 -29.2 251 68 325.2 325.2 290.7 326.6 0.39 17 342 8597 -31.5 -47.5 19 16.0 -32.9 253 75 328.4 328.5 291.5 329.0 0.15 18 300 9510 -39.5 -52.5 24 13.0 -40.2 255 85 329.7 329.7 291.7 330.1 0.10 19 299 9533 -39.7 -51.7 27 12.0 -40.4 255 85 329.7 329.7 291.7 330.2 0.11 20 296 9602 -40.1 -52.1 27 12.0 -40.8 255 85 330.1 330.1 291.9 330.5 0.10 21 278 10032 -37.5 -60.5 7 23.0 -38.7 253 85 339.8 339.8 294.3 340.0 0.04 22 250 10760 -40.3 -75.3 1 35.0 -41.3 250 85 346.2 346.2 295.8 346.2 0.01 23 224 11499 -44.0 -77.9 1 33.9 -44.8 250 97 351.6 351.6 297.0 351.6 0.00 24 204 12120 -47.1 -80.1 1 33.0 -47.7 246 79 356.2 356.2 298.0 356.2 0.00 25 200 12250 -47.5 -80.5 1 33.0 -48.1 245 75 357.6 357.6 298.2 357.6 0.00 26 150 14090 -61.9 -90.9 1 29.0 -62.1 250 69 363.4 363.4 299.4 363.4 0.00 27 107 16116 -73.9 -99.9 1 26.0 -73.9 270 75 377.6 377.6 301.9 377.6 0.00 28 100 16510 -74.1 -100.1 1 26.0 -74.2 265 69 384.6 384.6 303.0 384.6 0.00 TRP 107 16116 -73.9 -99.9 1 26.0 -73.9 270 75 377.6 377.6 301.9 377.6 0.00 WND 224 11499 -44.0 -77.9 1 33.9 -44.8 250 97 351.6 351.6 297.0 351.6 0.00 Sounding variables and indices 1000-500 mb thick: 5783.00 m Freezing level: 587.32 mb = 4562.79 m = 14969.61 ft Wetbulb zero: 707.26 mb = 3010.27 m = 9876.10 ft Precipitable water: 0.21 inches Sfc-500 mean rel hum: 8.84 % Est. max temperature: 28.53 C = 83.36 F Sfc-Lift cond lev (LCL): 608.49 mb = 4243.94 m = 13923.51 ft T: 2.40 C 700-500 lapse rate: 7.81 C/km ThetaE index: 4.53 C Layer 700.0- 656.0 mb Conv cond level (CCL): 471.82 mb = 6240.57 m = 20474.08 ft Mean mixing ratio: 2.97 g/kg Conv temperature: 35.45 C = 95.81 F Cap Strength: 7.52 C Lifted Index: 6.91 C Risk: None Lifted Index @300 mb: 7.12 C Lifted Index @700 mb: 4.22 C Showalter Index: 6.79 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 30.90 C Cross Totals Index: 6.90 C K Index: -9.50 Risk: None Sweat Index: 179.83 Risk: None Energy Index: 0.53 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.40 J/kg Max Up Vert Vel: 4.78 m/s Conv Inhibition (B-): 8080.09 J/kg Cap Strength: 7.52 C Lift Cond Lev (LCL): 549.65 mb = 5049.85 m = 16567.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 31 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 ---------------------------------------------------------- 0 858 1370 250 9 8.5 3.1 | 105 23 -22.7 6.0 1 850 1446 220 23 14.8 17.6 | 141 26 -16.4 20.5 2 700 3098 250 27 25.4 9.2 | 154 13 -5.8 12.1 3 500 5800 245 56 50.8 23.7 | 216 33 19.6 26.6 4 400 7470 250 62 58.3 21.2 | 228 36 27.1 24.1 5 300 9510 255 85 82.1 22.0 | 244 57 50.9 24.9 6 250 10760 250 85 79.9 29.1 | 237 58 48.7 32.0 7 224 11499 250 97 91.2 33.2 | 239 70 60.0 36.1 8 200 12250 245 75 68.0 31.7 | 227 51 36.8 34.6 9 150 14090 250 69 64.8 23.6 | 232 43 33.7 26.5 10 107 16116 270 75 75.0 -0.0 | 266 44 43.8 2.9 11 100 16510 265 69 68.7 6.0 | 257 39 37.6 8.9 Wind Parameters Mean winds (0-6000m): 245.3 at 41.7 knts Storm direction: 275.3 at 31.3 knts Shear (0-3000m) pos: 2.0 neg: 4.5 tot: 6.5 10-3/s Storm rel Dir Shear (0-3000m): 94.6 deg Storm rel helicity (0-3000m) pos: 170.4 neg: 0.0 tot: 170.4 m^2/s^2 ave: 56.8 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 7.4 stream: 5.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.17 Bulk Shear: 66.25 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 ------------------------------------------------------------------------------- 500 224 22 140 24| 0.0 16.5 16.5|106.6 0.0 106.6 213.1 0.90| 19.8 17.9 1000 229 23 144 23| 2.1 8.3 10.4|115.2 0.0 115.2 115.2 0.81| 12.0 9.7 1500 234 24 146 21| 2.9 5.5 8.4|120.7 0.0 120.7 80.5 0.73| 9.5 6.9 2000 238 25 149 19| 3.0 4.1 7.1|132.8 0.0 132.8 66.4 0.72| 8.3 6.0 2500 241 27 153 18| 2.4 4.3 6.7|151.8 0.0 151.8 60.7 0.75| 7.8 5.8 3000 242 28 160 17| 2.0 4.5 6.5|170.4 0.0 170.4 56.8 0.75| 7.4 5.5 4000 244 33 175 18| 1.5 4.7 6.2|205.6 0.0 205.6 51.4 0.70| 7.0 4.9 5000 244 38 188 19| 1.4 4.3 5.7|241.1 0.0 241.1 48.2 0.69| 6.3 4.3 6000 245 42 198 21| 1.6 3.6 5.2|281.1 0.0 281.1 46.9 0.70| 5.7 4.0 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20250418.00.gif