UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042900.upa.cvt Date: 0000Z 29 APR 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 29 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 61 1 920 -9528 SFC 861 1370 20.0 -5.0 18 25.0 7.8 180 1 306.0 306.5 287.3 315.5 3.06 3 855 1430 24.2 -2.8 16 27.0 10.0 229 2 311.0 311.7 289.5 322.5 3.64 4 850 1481 26.2 -0.8 17 27.0 11.3 270 3 313.6 314.4 290.9 327.1 4.24 5 849 1491 26.8 -0.2 17 27.0 11.7 271 3 314.3 315.2 291.3 328.4 4.44 6 700 3157 14.2 -7.8 21 22.0 3.7 360 9 318.2 318.8 291.2 328.2 3.03 7 511 5702 -8.9 -16.9 52 8.0 -11.6 220 16 320.2 320.6 290.8 326.9 1.99 8 500 5870 -9.3 -22.3 34 13.0 -13.2 210 17 321.7 322.0 290.6 326.1 1.28 9 442 6814 -15.3 -57.3 1 42.0 -20.0 235 19 325.7 325.7 290.5 325.8 0.04 10 400 7560 -21.5 -35.5 27 14.0 -23.9 255 21 327.0 327.1 291.3 328.8 0.46 11 381 7917 -24.7 -36.7 32 12.0 -26.5 253 24 327.4 327.5 291.5 329.0 0.43 12 360 8328 -27.7 -44.7 18 17.0 -29.6 251 28 328.7 328.8 291.6 329.5 0.20 13 300 9610 -39.5 -50.5 30 11.0 -40.2 245 40 329.7 329.7 291.7 330.2 0.12 14 297 9678 -40.1 -51.1 30 11.0 -40.8 245 40 329.8 329.8 291.8 330.3 0.12 15 250 10830 -46.5 -62.5 15 16.0 -47.0 250 40 336.9 336.9 293.6 337.1 0.03 16 200 12300 -52.7 -70.7 10 18.0 -53.0 255 54 349.3 349.3 296.5 349.4 0.01 17 150 14120 -59.1 -78.1 7 19.0 -59.3 265 50 368.3 368.3 300.2 368.3 0.01 18 104 16357 -69.9 -88.9 5 19.0 -70.0 270 33 388.3 388.3 303.5 388.3 0.00 19 102 16472 -70.3 -89.3 5 19.0 -70.4 270 32 389.7 389.7 303.8 389.7 0.00 20 100 16590 -70.3 -89.3 5 19.0 -70.4 270 31 391.9 391.9 304.0 391.9 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5809.00 m Freezing level: 583.82 mb = 4721.19 m = 15489.28 ft Wetbulb zero: 654.86 mb = 3695.97 m = 12125.75 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 30.15 % Est. max temperature: 31.45 C = 88.60 F Sfc-Lift cond lev (LCL): 591.29 mb = 4521.62 m = 14834.54 ft T: 1.81 C 700-500 lapse rate: 8.66 C/km ThetaE index: 2.63 C Layer 700.0- 400.0 mb Conv cond level (CCL): 515.20 mb = 5635.40 m = 18488.61 ft Mean mixing ratio: 3.98 g/kg Conv temperature: 33.60 C = 92.49 F Cap Strength: 4.23 C Lifted Index: 3.10 C Risk: None Lifted Index @300 mb: 2.32 C Lifted Index @700 mb: 2.99 C Showalter Index: 3.37 C Risk: None Total Totals Index: 44.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 35.50 C Cross Totals Index: 8.50 C K Index: 12.70 Risk: None Sweat Index: 23.00 Risk: None Energy Index: -0.06 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.76 J/kg Max Up Vert Vel: 5.79 m/s Conv Inhibition (B-): 6349.80 J/kg Cap Strength: 4.23 C Lift Cond Lev (LCL): 552.40 mb = 5071.72 m = 16639.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 273 at 9 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 ---------------------------------------------------------- 0 861 1370 180 1 0.0 1.0 | 100 9 -9.4 1.6 1 850 1481 270 3 3.0 -0.0 | 95 6 -6.4 0.6 2 700 3157 360 9 -0.0 -9.0 | 48 13 -9.4 -8.4 3 500 5870 210 17 8.5 14.7 | 177 15 -0.9 15.3 4 400 7560 255 21 20.3 5.4 | 241 12 10.9 6.0 5 300 9610 245 40 36.3 16.9 | 237 32 26.9 17.5 6 250 10830 250 40 37.6 13.7 | 243 32 28.2 14.3 7 200 12300 255 54 52.2 14.0 | 251 45 42.8 14.5 8 150 14120 265 50 49.8 4.4 | 263 41 40.5 4.9 9 100 16590 270 31 31.0 -0.0 | 268 22 21.6 0.6 Wind Parameters Mean winds (0-6000m): 243.5 at 12.5 knts Storm direction: 273.5 at 9.4 knts Shear (0-3000m) pos: 1.8 neg: 1.8 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): -126.8 deg Storm rel helicity (0-3000m) pos: 1.2 neg: -33.1 tot: -31.9 m^2/s^2 ave: -10.6 10^-3 m/s^2 rel: -0.57 Storm rel vorticity (0-3000m) horiz: 4.7 stream: -2.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.27 Bulk Shear: 13.21 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 ------------------------------------------------------------------------------- 500 279 3 91 6| 5.0 0.0 5.0| 0.0 -3.3 -3.3 -6.6 -0.40| 5.4 -2.2 1000 300 4 74 6| 3.6 0.0 3.6| 0.0 -7.3 -7.3 -7.3 -0.57| 4.3 -2.4 1500 325 5 60 7| 3.1 0.0 3.1| 0.0 -9.1 -9.0 -6.0 -0.47| 4.1 -1.9 2000 343 6 55 9| 2.7 0.0 2.7| 1.2 -14.2 -12.9 -6.5 -0.42| 4.2 -1.8 2500 339 7 49 9| 2.2 1.1 3.2| 1.2 -25.0 -23.8 -9.5 -0.51| 4.4 -2.3 3000 329 8 41 8| 1.8 1.8 3.6| 1.2 -33.1 -31.9 -10.6 -0.57| 4.7 -2.7 4000 295 9 14 4| 1.4 2.7 4.1| 1.2 -50.7 -49.5 -12.4 -0.67| 5.3 -3.6 5000 248 11 190 5| 1.4 2.6 3.9| 17.2 -69.3 -52.1 -10.4 -0.54| 5.5 -3.0 6000 243 12 197 6| 1.9 2.1 4.0| 49.1 -69.3 -20.2 -3.4 -0.32| 5.4 -1.7 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20250429.00.gif