UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 7 DEC 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 217 1 920 -8428 SFC 870 1370 4.6 -5.4 48 10.0 0.5 180 3 289.0 289.6 280.3 297.6 2.93 3 865 1417 8.6 -1.4 49 10.0 3.9 207 4 293.7 294.4 283.5 305.4 3.99 4 850 1561 12.0 -1.0 41 13.0 5.6 290 7 298.7 299.5 285.8 311.2 4.18 5 844 1620 12.2 -2.8 35 15.0 5.0 291 7 299.5 300.2 285.5 310.7 3.68 6 838 1680 12.4 -2.6 35 15.0 5.2 292 7 300.4 301.0 285.9 311.8 3.77 7 831 1750 12.0 -3.0 35 15.0 4.8 293 7 300.7 301.3 286.0 311.8 3.69 8 798 2088 9.6 -1.4 46 11.0 4.2 300 7 301.6 302.4 287.0 314.7 4.32 9 752 2578 6.8 -9.2 31 16.0 0.1 309 7 303.7 304.2 285.9 311.6 2.53 10 700 3161 1.4 -10.6 40 12.0 -3.3 320 7 304.0 304.5 285.9 311.7 2.43 11 663 3595 -2.1 -11.1 50 9.0 -5.5 317 10 304.9 305.3 286.2 312.6 2.47 12 631 3985 -4.7 -15.7 42 11.0 -8.4 314 12 306.2 306.6 286.0 312.0 1.78 13 562 4882 -12.7 -18.7 61 6.0 -14.4 307 17 307.1 307.4 286.1 312.1 1.55 14 552 5019 -13.7 -20.7 55 7.0 -15.6 306 18 307.5 307.8 286.0 311.9 1.33 15 542 5158 -11.5 -32.5 16 21.0 -15.7 305 19 311.7 311.8 286.5 313.4 0.46 16 500 5770 -16.5 -43.5 8 27.0 -20.1 300 23 312.9 313.0 286.6 313.5 0.16 17 465 6313 -19.9 -59.9 2 40.0 -23.2 295 27 315.3 315.3 287.2 315.4 0.03 18 400 7410 -29.9 -48.9 14 19.0 -31.4 285 36 316.1 316.2 287.6 316.6 0.11 19 318 9001 -44.1 -56.1 25 12.0 -44.5 269 44 317.9 317.9 288.1 318.1 0.06 20 300 9390 -47.3 -59.3 24 12.0 -47.6 265 46 318.7 318.7 288.3 318.9 0.04 21 266 10177 -51.3 -66.3 15 15.0 -51.6 278 61 324.0 324.0 290.0 324.1 0.02 22 261 10300 -50.5 -65.5 15 15.0 -50.8 280 63 326.9 326.9 290.9 327.0 0.02 23 250 10580 -51.7 -66.7 15 15.0 -52.0 285 68 329.2 329.2 291.5 329.3 0.02 24 215 11550 -54.8 -71.2 12 16.4 -55.1 275 77 338.9 338.9 294.0 338.9 0.01 25 200 12010 -56.3 -73.3 10 17.0 -56.5 290 73 343.6 343.6 295.2 343.6 0.01 26 171 12996 -59.7 -76.7 9 17.0 -59.9 265 66 353.7 353.7 297.4 353.7 0.01 27 169 13070 -59.7 -77.7 8 18.0 -59.9 266 66 354.9 354.9 297.7 354.9 0.01 28 150 13820 -56.7 -75.7 7 19.0 -57.0 275 64 372.4 372.4 301.0 372.4 0.01 29 106 15977 -67.1 -89.1 3 22.0 -67.2 266 62 391.5 391.5 304.0 391.5 0.00 30 105 16034 -67.3 -89.3 3 22.0 -67.4 266 62 392.2 392.2 304.1 392.2 0.00 31 104 16092 -67.1 -89.1 3 22.0 -67.2 266 62 393.6 393.6 304.3 393.6 0.00 32 100 16330 -66.5 -87.5 4 21.0 -66.6 265 62 399.2 399.2 305.1 399.2 0.00 TRP 171 12996 -59.7 -76.7 9 17.0 -59.9 265 66 353.7 353.7 297.4 353.7 0.01 WND 215 11550 -54.8 -71.2 12 16.4 -55.1 275 77 338.9 338.9 294.0 338.9 0.01 Sounding variables and indices 1000-500 mb thick: 5553.00 m Freezing level: 685.20 mb = 3334.48 m = 10939.75 ft Wetbulb zero: 749.94 mb = 2600.42 m = 8531.46 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 39.13 % Est. max temperature: 18.91 C = 66.04 F Sfc-Lift cond lev (LCL): 745.16 mb = 2652.45 m = 8702.14 ft T: 6.11 C 700-500 lapse rate: 6.86 C/km ThetaE index: 3.06 C Layer 752.0- 700.0 mb Conv cond level (CCL): 616.31 mb = 4167.72 m = 13673.44 ft Mean mixing ratio: 3.87 g/kg Conv temperature: 21.32 C = 70.38 F Cap Strength: 5.12 C Lifted Index: 4.69 C Risk: None Lifted Index @300 mb: 5.18 C Lifted Index @700 mb: 3.59 C Showalter Index: 5.04 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 28.50 C Cross Totals Index: 15.50 C K Index: 15.50 Risk: < 20 % chance of thunderstorms Sweat Index: 37.00 Risk: None Energy Index: 0.57 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 34.18 J/kg Max Up Vert Vel: 8.27 m/s Conv Inhibition (B-): 8992.25 J/kg Cap Strength: 5.01 C Lift Cond Lev (LCL): 673.44 mb = 3469.86 m = 11383.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 13 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 ---------------------------------------------------------- 0 870 1370 180 3 0.0 3.0 | 154 15 -6.7 13.6 1 850 1561 290 7 6.6 -2.4 | 179 8 -0.1 8.2 2 700 3161 320 7 4.5 -5.4 | 157 6 -2.2 5.2 3 500 5770 300 23 19.9 -11.5 | 274 13 13.2 -0.9 4 400 7410 285 36 34.8 -9.3 | 267 28 28.1 1.3 5 300 9390 265 46 45.8 4.0 | 250 42 39.1 14.6 6 250 10580 285 68 65.7 -17.6 | 277 59 59.0 -7.0 7 215 11550 275 77 76.7 -6.7 | 267 70 70.0 3.9 8 200 12010 290 73 68.6 -25.0 | 283 64 61.9 -14.4 9 171 12996 265 66 65.7 5.8 | 255 61 59.0 16.4 10 150 13820 275 64 63.8 -5.6 | 265 57 57.1 5.0 11 100 16330 265 62 61.8 5.4 | 254 57 55.1 16.0 Wind Parameters Mean winds (0-6000m): 297.7 at 16.7 knts Storm direction: 327.7 at 12.5 knts Shear (0-3000m) pos: 1.8 neg: 1.1 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 100.4 deg Storm rel helicity (0-3000m) pos: 25.5 neg: -4.2 tot: 21.2 m^2/s^2 ave: 7.1 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.25 Bulk Shear: 15.20 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 ------------------------------------------------------------------------------- 500 286 6 175 9| 9.0 0.0 9.0| 19.7 -0.6 19.1 38.3 0.52| 11.0 5.6 1000 294 7 175 8| 4.7 0.0 4.7| 19.7 -1.9 17.9 17.9 0.41| 6.1 2.5 1500 300 7 173 7| 3.2 0.0 3.2| 19.7 -3.3 16.4 10.9 0.30| 4.4 1.3 2000 305 7 171 7| 2.8 0.0 2.8| 20.6 -4.2 16.4 8.2 0.27| 3.8 1.0 2500 308 7 172 6| 2.2 0.6 2.8| 23.0 -4.2 18.7 7.5 0.36| 3.7 1.4 3000 309 8 178 5| 1.8 1.1 2.9| 25.5 -4.2 21.2 7.1 0.44| 3.6 1.6 4000 306 11 204 5| 1.4 1.6 3.0| 29.0 -4.2 24.7 6.2 0.41| 3.6 1.5 5000 303 13 234 6| 1.1 2.1 3.2| 29.4 -5.7 23.7 4.7 0.31| 3.7 1.1 6000 298 17 251 9| 0.9 2.5 3.4| 29.4 -19.1 10.3 1.7 0.20| 3.9 0.8 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20251207.00.gif