UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 9 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 228 1 920 -8421 SFC 870 1370 1.6 -13.4 32 15.0 -3.3 160 5 285.9 286.2 276.9 290.6 1.56 3 851 1549 12.0 -7.0 26 19.0 3.7 155 5 298.6 299.1 284.1 306.7 2.65 4 850 1559 12.0 -7.0 26 19.0 3.7 155 5 298.7 299.2 284.1 306.8 2.66 5 834 1718 12.0 -8.0 24 20.0 3.4 163 5 300.3 300.8 284.6 308.1 2.51 6 826 1798 12.6 -9.4 21 22.0 3.3 167 5 301.8 302.2 284.9 308.9 2.27 7 818 1880 12.4 -10.6 19 23.0 2.9 171 5 302.4 302.8 284.9 309.0 2.08 8 775 2329 9.2 -8.8 27 18.0 1.5 193 6 303.7 304.2 285.9 311.6 2.53 9 770 2383 9.0 -11.0 23 20.0 0.8 196 6 304.0 304.4 285.6 310.8 2.14 10 757 2524 9.6 -21.4 9 31.0 -0.7 203 6 306.2 306.4 285.0 309.2 0.91 11 750 2601 9.2 -24.8 7 34.0 -1.3 207 6 306.6 306.7 284.9 308.9 0.68 12 737 2745 9.6 -37.4 2 47.0 -1.9 214 6 308.5 308.6 285.1 309.3 0.21 13 700 3170 6.8 235 7 310.0 14 625 4090 0.4 237 12 312.9 15 525 5464 -9.5 -19.5 44 10.0 -12.6 239 19 317.0 317.3 289.4 322.2 1.55 16 516 5598 -10.3 -21.3 40 11.0 -13.5 240 20 317.6 317.9 289.4 322.2 1.35 17 500 5840 -12.1 -20.1 51 8.0 -14.5 240 21 318.3 318.6 289.8 323.5 1.55 18 496 5901 -12.3 -19.3 56 7.0 -14.5 241 21 318.8 319.1 290.1 324.4 1.67 19 472 6279 -14.3 -23.3 46 9.0 -16.7 245 24 320.8 321.1 290.3 325.1 1.24 20 416 7222 -21.7 -25.7 70 4.0 -22.6 256 29 323.1 323.4 290.9 327.1 1.13 21 400 7510 -23.5 -29.5 58 6.0 -24.7 260 31 324.4 324.6 291.0 327.4 0.83 22 327 8953 -34.3 -49.3 20 15.0 -35.4 274 36 328.8 328.9 291.5 329.3 0.13 23 300 9550 -39.9 -49.9 34 10.0 -40.5 280 38 329.1 329.2 291.6 329.7 0.13 24 250 10760 -50.1 -60.1 30 10.0 -50.4 290 48 331.6 331.6 292.2 331.8 0.05 25 200 12180 -62.7 -70.7 33 8.0 -62.8 285 56 333.5 333.5 292.7 333.5 0.01 26 180 12821 -67.3 -74.3 36 7.0 -67.4 285 61 336.2 336.2 293.4 336.2 0.01 27 177 12922 -67.7 -75.7 31 8.0 -67.7 285 62 337.1 337.1 293.6 337.2 0.01 28 174 13025 -67.9 -75.9 31 8.0 -67.9 286 61 338.4 338.4 293.9 338.5 0.01 29 150 13920 -65.9 -73.9 32 8.0 -66.0 290 54 356.6 356.6 298.0 356.6 0.01 30 139 14382 -65.7 -74.7 27 9.0 -65.8 288 63 364.8 364.8 299.6 364.8 0.01 31 119 15327 -64.6 -78.5 13 13.9 -64.7 285 81 383.4 383.4 302.8 383.5 0.01 32 115 15536 -64.3 -79.3 11 15.0 -64.4 285 76 387.7 387.7 303.5 387.7 0.01 33 102 16261 -68.5 -84.5 8 16.0 -68.6 285 59 393.1 393.1 304.2 393.2 0.00 34 100 16380 -67.9 -83.9 8 16.0 -68.0 285 56 396.5 396.5 304.8 396.6 0.00 TRP 177 12922 -67.7 -75.7 31 8.0 -67.7 285 62 337.1 337.1 293.6 337.2 0.01 WND 119 15327 -64.6 -78.5 13 13.9 -64.7 285 81 383.4 383.4 302.8 383.5 0.01 Sounding variables and indices 1000-500 mb thick: 5612.00 m Freezing level: 620.96 mb = 4145.91 m = 13601.89 ft Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 25.84 % Est. max temperature: 23.99 C = 75.17 F Sfc-Lift cond lev (LCL): 687.79 mb = 3312.97 m = 10869.19 ft T: 5.81 C 700-500 lapse rate: 7.08 C/km ThetaE index: 2.76 C Layer 770.0- 737.0 mb Conv cond level (CCL): 454.39 mb = 6562.78 m = 21531.18 ft Mean mixing ratio: 2.31 g/kg Conv temperature: 35.86 C = 96.55 F Cap Strength: 11.77 C Lifted Index: 11.79 C Risk: None Lifted Index @300 mb: 15.51 C Lifted Index @700 mb: 8.74 C Showalter Index: 12.26 C Risk: None Total Totals Index: 29.20 C Risk: None Vertical Totals Index: 24.10 C Cross Totals Index: 5.10 C K Index: -24.38 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.54 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.32 J/kg Max Up Vert Vel: 10.33 m/s Conv Inhibition (B-): 10894.19 J/kg Cap Strength: 11.78 C Lift Cond Lev (LCL): 604.59 mb = 4352.10 m = 14278.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 271 at 11 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 160 5 -1.7 4.7 | 111 14 -12.8 4.9 1 850 1559 155 5 -2.1 4.5 | 110 14 -13.2 4.7 2 700 3170 235 7 5.7 4.0 | 128 7 -5.3 4.2 3 500 5840 240 21 18.2 10.5 | 214 13 7.1 10.7 4 400 7510 260 31 30.5 5.4 | 254 20 19.5 5.6 5 300 9550 280 38 37.4 -6.6 | 284 27 26.3 -6.4 6 250 10760 290 48 45.1 -16.4 | 295 38 34.0 -16.2 7 200 12180 285 56 54.1 -14.5 | 288 45 43.0 -14.3 8 177 12922 285 62 59.9 -16.0 | 288 51 48.8 -15.8 9 150 13920 290 54 50.7 -18.5 | 295 44 39.7 -18.3 10 119 15327 285 81 78.2 -21.0 | 287 70 67.2 -20.8 11 100 16380 285 56 54.1 -14.5 | 288 45 43.0 -14.3 Wind Parameters Mean winds (0-6000m): 241.1 at 14.8 knts Storm direction: 271.1 at 11.1 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 69.8 deg Storm rel helicity (0-3000m) pos: 22.9 neg: -1.0 tot: 22.0 m^2/s^2 ave: 7.3 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.84 Bulk Shear: 28.94 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 ------------------------------------------------------------------------------- 500 161 5 112 14| 1.0 0.0 1.0| 4.1 -0.9 3.2 6.4 0.50| 1.8 0.9 1000 173 5 115 13| 1.8 0.0 1.8| 9.4 -0.9 8.5 8.5 0.58| 2.2 1.3 1500 188 6 120 12| 2.1 0.0 2.1| 12.0 -0.9 11.1 7.4 0.49| 2.4 1.2 2000 203 6 124 10| 2.1 0.0 2.1| 14.0 -1.0 13.0 6.5 0.46| 2.6 1.2 2500 213 7 128 9| 2.2 0.0 2.2| 18.4 -1.0 17.5 7.0 0.57| 2.6 1.5 3000 221 8 134 9| 2.3 0.0 2.3| 22.9 -1.0 22.0 7.3 0.63| 2.6 1.7 4000 229 10 150 8| 2.3 0.0 2.3| 32.2 -1.0 31.2 7.8 0.66| 2.6 1.7 5000 234 12 170 7| 2.5 0.0 2.5| 49.7 -1.0 48.7 9.7 0.69| 2.8 1.9 6000 241 15 194 8| 2.7 0.0 2.7| 80.5 -1.0 79.5 13.3 0.72| 3.0 2.2 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20251209.00.gif