UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 21 OCT 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 151 1 920 -9043 SFC 865 1370 10.2 -8.8 25 19.0 2.5 170 3 295.3 295.8 282.3 302.2 2.27 3 850 1522 18.4 -8.6 15 27.0 6.2 220 3 305.4 305.9 286.4 312.8 2.35 4 843 1593 20.0 -9.0 13 29.0 6.8 220 3 307.8 308.3 287.1 315.1 2.29 5 831 1716 19.6 -12.4 10 32.0 5.9 221 4 308.7 309.0 286.9 314.4 1.77 6 700 3162 8.2 -6.8 34 15.0 1.3 225 9 311.6 312.2 289.3 322.0 3.28 7 541 5214 -10.9 -14.9 72 4.0 -12.3 286 15 312.6 313.0 288.7 319.9 2.22 8 537 5271 -11.3 -15.9 69 4.6 -12.8 288 15 312.8 313.2 288.6 319.5 2.06 9 527 5415 -9.3 -26.3 24 17.0 -13.6 292 16 316.9 317.1 288.7 319.8 0.85 10 500 5820 -11.7 -37.7 10 26.0 -16.4 305 17 318.8 318.8 288.7 319.9 0.30 11 493 5928 -12.5 -38.5 9 26.0 -17.1 319.1 319.1 288.8 320.1 0.28 12 485 6053 -12.5 -39.5 8 27.0 -17.2 320.6 320.6 289.2 321.5 0.26 13 448 6654 -16.5 -41.5 10 25.0 -20.4 322.9 322.9 289.9 323.8 0.22 TRP WND Sounding variables and indices 1000-500 mb thick: 5669.00 m Freezing level: 631.74 mb = 4042.80 m = 13263.63 ft Wetbulb zero: 685.28 mb = 3331.21 m = 10929.03 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 37.16 % Est. max temperature: 25.44 C = 77.79 F Sfc-Lift cond lev (LCL): 646.12 mb = 3799.74 m = 12466.17 ft T: 2.26 C 700-500 lapse rate: 7.49 C/km ThetaE index: 0.72 C Layer 831.0- 700.0 mb Conv cond level (CCL): None Cap Strength: 7.26 C Lifted Index: 7.79 C Risk: None Lifted Index @700 mb: 3.41 C Showalter Index: 8.85 C Risk: None Total Totals Index: 33.20 C Risk: None Vertical Totals Index: 30.10 C Cross Totals Index: 3.10 C K Index: 6.50 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 1.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 39.44 J/kg Max Up Vert Vel: 8.88 m/s Conv Inhibition (B-): 761.69 J/kg Cap Strength: 7.68 C Lift Cond Lev (LCL): 536.50 mb = 5277.79 m = 17315.39 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 8 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 170 3 -0.5 3.0 | 130 10 -7.4 6.3 1 850 1522 220 3 1.9 2.3 | 139 7 -5.0 5.6 2 700 3162 225 9 6.4 6.4 | 177 10 -0.5 9.7 3 500 5820 305 17 13.9 -9.8 | 312 10 7.0 -6.4 Wind Parameters Mean winds (0-6000m): 265.7 at 10.2 knts Storm direction: 295.7 at 7.7 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 96.8 deg Storm rel helicity (0-3000m) pos: 32.3 neg: 0.0 tot: 32.3 m^2/s^2 ave: 10.8 10^-3 m/s^2 rel: 0.88 Storm rel vorticity (0-3000m) horiz: 2.8 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.12 Bulk Shear: 9.56 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 ------------------------------------------------------------------------------- 500 214 3 141 8| 3.4 0.0 3.4| 5.5 0.0 5.5 11.0 0.68| 3.9 2.6 1000 219 4 148 8| 2.5 0.0 2.5| 9.2 0.0 9.2 9.2 0.77| 2.9 2.2 1500 222 5 155 8| 2.3 0.0 2.3| 12.9 0.0 12.9 8.6 0.80| 2.5 2.0 2000 223 6 161 8| 2.2 0.0 2.2| 18.1 0.0 18.1 9.0 0.82| 2.5 2.1 2500 228 7 168 8| 2.2 0.0 2.2| 25.1 0.0 25.1 10.0 0.86| 2.6 2.3 3000 236 8 176 8| 2.2 0.0 2.2| 32.3 0.0 32.3 10.8 0.88| 2.8 2.5 4000 255 9 201 6| 2.2 0.0 2.2| 48.1 0.0 48.1 12.0 0.92| 3.1 2.9 5000 NO DATA | 2.2 0.0 2.2| | 6000 NO DATA | 2.2 0.0 2.2| | Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20251021.00.gif