UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042100.upa.cvt Date: 0000Z 21 APR 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 21 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 137 1 920 -9050 SFC 865 1370 12.0 -6.0 28 18.0 4.1 20 5 297.2 297.7 283.7 305.8 2.82 3 850 1515 11.6 -8.4 24 20.0 3.2 15 13 298.3 298.7 283.7 305.6 2.38 4 800 2020 9.8 -7.2 29 17.0 2.4 341 14 301.6 302.1 285.4 310.2 2.78 5 793 2093 10.0 -7.0 29 17.0 2.5 336 14 302.6 303.1 285.8 311.4 2.85 6 780 2230 12.0 -6.0 28 18.0 3.7 326 14 306.2 306.7 287.4 315.9 3.13 7 754 2513 11.0 -10.0 22 21.0 2.0 307 14 308.0 308.5 287.3 315.6 2.37 8 700 3128 6.8 -10.2 29 17.0 -0.4 265 15 310.0 310.5 288.1 318.1 2.51 9 632 3954 0.0 -10.0 47 10.0 -4.1 263 17 311.5 312.0 288.9 320.5 2.83 10 514 5570 -11.9 -35.9 12 24.0 -16.4 260 22 316.0 316.1 287.8 317.3 0.35 11 500 5780 -13.7 -36.7 12 23.0 -17.8 260 23 316.3 316.4 287.9 317.5 0.33 12 478 6121 -16.3 -29.3 32 13.0 -19.0 265 26 317.2 317.4 288.6 319.7 0.71 13 456 6474 -18.3 -45.3 7 27.0 -21.8 270 29 319.0 319.1 288.6 319.6 0.15 14 432 6876 -21.7 -41.7 15 20.0 -24.4 276 33 319.7 319.7 288.9 320.5 0.23 15 413 7206 -23.3 -49.3 7 26.0 -25.9 281 36 321.7 321.8 289.4 322.2 0.10 16 400 7440 -25.1 -50.1 8 25.0 -27.5 285 38 322.4 322.4 289.6 322.7 0.10 17 349 8415 -33.7 -51.7 15 18.0 -34.9 278 40 323.6 323.6 289.9 323.9 0.09 18 301 9437 -41.5 -59.5 13 18.0 -42.2 270 42 326.6 326.6 290.8 326.7 0.04 19 300 9460 -41.5 -59.5 13 18.0 -42.2 270 42 326.9 326.9 290.9 327.0 0.04 20 299 9483 -41.5 -59.5 13 18.0 -42.2 270 43 327.2 327.2 291.0 327.4 0.04 21 273 10102 -39.9 -63.9 6 24.0 -40.9 265 58 338.1 338.1 293.9 338.2 0.03 22 251 10673 -42.1 -72.1 2 30.0 -43.0 260 72 343.1 343.1 295.1 343.1 0.01 23 250 10700 -42.1 -72.1 2 30.0 -43.0 260 73 343.5 343.5 295.1 343.5 0.01 24 237 11060 -42.5 -76.5 1 34.0 -43.4 259 73 348.2 348.2 296.3 348.2 0.00 25 200 12190 -48.3 -80.3 1 32.0 -48.9 255 75 356.3 356.3 298.0 356.3 0.00 26 161 13593 -56.1 -86.6 1 30.5 -56.5 255 79 365.9 365.9 299.8 365.9 0.00 27 150 14040 -58.7 -88.7 1 30.0 -58.9 260 75 368.9 368.9 300.4 369.0 0.00 28 100 16500 -71.9 -97.9 1 26.0 -72.0 255 48 388.8 388.8 303.6 388.8 0.00 TRP 301 9437 -41.5 -59.5 13 18.0 -42.2 270 42 326.6 326.6 290.8 326.7 0.04 WND 161 13593 -56.1 -86.6 1 30.5 -56.5 255 79 365.9 365.9 299.8 365.9 0.00 Sounding variables and indices 1000-500 mb thick: 5643.00 m Freezing level: 632.00 mb = 3954.48 m = 12973.85 ft Wetbulb zero: 708.99 mb = 3022.40 m = 9915.90 ft Precipitable water: 0.34 inches Sfc-500 mean rel hum: 28.72 % Est. max temperature: 23.74 C = 74.73 F Sfc-Lift cond lev (LCL): 657.11 mb = 3639.31 m = 11939.85 ft T: 2.59 C 700-500 lapse rate: 7.73 C/km ThetaE index: 0.33 C Layer 754.0- 700.0 mb Conv cond level (CCL): 502.08 mb = 5748.41 m = 18859.39 ft Mean mixing ratio: 2.71 g/kg Conv temperature: 30.29 C = 86.51 F Cap Strength: 9.29 C Lifted Index: 8.72 C Risk: None Lifted Index @300 mb: 12.33 C Lifted Index @700 mb: 7.74 C Showalter Index: 11.45 C Risk: None Total Totals Index: 30.60 C Risk: None Vertical Totals Index: 25.30 C Cross Totals Index: 5.30 C K Index: -0.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 2.65 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 42.60 J/kg Max Up Vert Vel: 9.23 m/s Conv Inhibition (B-): 11826.94 J/kg Cap Strength: 9.29 C Lift Cond Lev (LCL): 614.04 mb = 4179.76 m = 13712.95 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 304 at 15 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 ---------------------------------------------------------- 0 865 1370 20 5 -1.7 -4.7 | 105 15 -14.6 3.9 1 850 1515 15 13 -3.4 -12.6 | 76 17 -16.2 -4.0 2 700 3128 265 15 14.9 1.3 | 192 10 2.1 9.9 3 500 5780 260 23 22.7 4.0 | 218 16 9.8 12.6 4 400 7440 285 38 36.7 -9.8 | 273 24 23.8 -1.3 5 301 9437 270 42 42.0 -0.0 | 254 30 29.1 8.6 6 300 9460 270 42 42.0 -0.0 | 254 30 29.1 8.6 7 250 10700 260 73 71.9 12.7 | 250 63 59.0 21.3 8 200 12190 255 75 72.4 19.4 | 245 66 59.6 28.0 9 161 13593 255 79 76.3 20.4 | 245 70 63.4 29.0 10 150 14040 260 75 73.9 13.0 | 250 65 61.0 21.6 11 100 16500 255 48 46.4 12.4 | 238 40 33.5 21.0 Wind Parameters Mean winds (0-6000m): 273.7 at 20.6 knts Storm direction: 303.7 at 15.5 knts Shear (0-3000m) pos: 0.0 neg: 3.7 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 102.6 deg Storm rel helicity (0-3000m) pos: 11.0 neg: -44.6 tot: -33.6 m^2/s^2 ave: -11.2 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 6.6 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.55 Bulk Shear: 77.57 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 6 12 77 14| 0.0 9.7 9.7| 0.0 -41.2 -41.2 -82.3 -0.79| 13.5-10.6 1000 348 13 69 11| 0.0 6.5 6.5| 0.2 -43.8 -43.5 -43.5 -0.52| 11.0 -5.7 1500 329 13 64 7| 0.0 5.5 5.5| 2.4 -43.8 -41.4 -27.6 -0.22| 10.3 -2.3 2000 309 14 87 2| 0.0 4.7 4.7| 3.8 -44.6 -40.8 -20.4 -0.18| 9.1 -1.7 2500 295 14 183 3| 0.0 4.1 4.1| 7.4 -44.6 -37.2 -14.9 -0.14| 7.6 -1.1 3000 286 15 198 5| 0.0 3.7 3.7| 11.0 -44.6 -33.6 -11.2 -0.11| 6.6 -0.7 4000 275 16 206 8| 0.0 3.2 3.2| 17.7 -44.6 -26.9 -6.7 -0.05| 5.3 -0.3 5000 271 18 212 10| 0.8 2.5 3.3| 48.5 -44.6 3.9 0.8 0.10| 5.1 0.5 6000 274 21 227 11| 1.7 2.1 3.8|109.5 -44.6 64.9 10.8 0.26| 5.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20250421.00.gif