UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102200.upa.cvt Date: 0000Z 22 OCT 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 22 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 147 1 920 -8821 SFC 867 1370 14.6 -1.4 33 16.0 6.6 190 5 299.7 300.5 285.9 311.7 3.98 3 856 1480 20.6 1.6 28 19.0 10.2 187 2 307.1 308.0 289.5 322.6 5.02 4 850 1541 20.8 0.8 26 20.0 9.9 185 1 307.9 308.8 289.6 322.7 4.77 5 835 1695 20.2 0.2 26 20.0 9.4 179 1 308.9 309.7 289.8 323.3 4.65 6 820 1851 20.4 -1.6 23 22.0 8.8 172 1 310.7 311.5 289.9 323.7 4.15 7 700 3189 8.8 -6.2 34 15.0 1.7 115 3 312.2 312.9 289.7 323.2 3.43 8 607 4347 -2.3 -10.3 54 8.0 -5.5 45 8 312.4 313.0 289.3 321.7 2.88 9 601 4426 -2.7 -11.7 50 9.0 -6.2 40 8 312.8 313.3 289.1 321.2 2.60 10 587 4613 -1.9 -24.9 15 23.0 -8.5 29 9 315.9 316.1 288.3 318.9 0.86 11 500 5873 -9.9 -37.9 8 28.0 -15.3 310 15 321.0 321.0 289.4 322.0 0.29 12 400 7560 -21.3 -38.3 20 17.0 -23.9 305 27 327.3 327.4 291.3 328.6 0.35 13 364 8246 -26.9 -39.9 28 13.0 -28.6 302 37 328.8 328.8 291.7 330.0 0.33 14 341 8713 -29.9 -48.9 14 19.0 -31.6 299 43 330.9 330.9 292.1 331.4 0.13 15 314 9293 -34.9 -45.9 32 11.0 -35.8 297 51 331.8 331.9 292.4 332.6 0.20 16 300 9610 -35.1 -52.1 16 17.0 -36.3 295 56 335.9 335.9 293.4 336.3 0.10 17 250 10870 -42.7 -62.7 9 20.0 -43.5 300 77 342.6 342.6 295.0 342.7 0.03 18 200 12340 -51.3 -72.3 6 21.0 -51.7 290 77 351.5 351.5 297.0 351.6 0.01 19 181 12984 -55.7 -76.7 6 21.0 -56.0 285 77 354.5 354.5 297.6 354.5 0.01 20 150 14160 -64.1 -85.1 4 21.0 -64.2 280 69 359.7 359.7 298.7 359.7 0.00 21 145 14366 -65.7 -86.7 4 21.0 -65.8 279 68 360.4 360.4 298.8 360.4 0.00 22 123 15344 -72.9 -90.9 5 18.0 -72.9 275 66 364.6 364.6 299.6 364.6 0.00 23 121 15440 -72.9 -90.9 5 18.0 -72.9 274 65 366.3 366.3 299.9 366.4 0.00 24 111 15948 -70.1 -87.1 7 17.0 -70.2 270 59 380.8 380.8 302.3 380.8 0.00 25 102 16445 -73.5 -91.5 5 18.0 -73.5 266 53 383.5 383.5 302.8 383.5 0.00 26 100 16560 -73.3 -91.3 5 18.0 -73.3 265 52 386.1 386.1 303.2 386.1 0.00 TRP 123 15344 -72.9 -90.9 5 18.0 -72.9 275 66 364.6 364.6 299.6 364.6 0.00 WND 181 12984 -55.7 -76.7 6 21.0 -56.0 285 77 354.5 354.5 297.6 354.5 0.01 Sounding variables and indices 1000-500 mb thick: 5725.62 m Freezing level: 626.27 mb = 4106.92 m = 13473.99 ft Wetbulb zero: 678.00 mb = 3448.40 m = 11313.52 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 28.03 % Est. max temperature: 26.40 C = 79.52 F Sfc-Lift cond lev (LCL): 680.43 mb = 3419.30 m = 11218.05 ft T: 6.59 C 700-500 lapse rate: 6.97 C/km ThetaE index: 4.86 C Layer 700.0- 500.0 mb Conv cond level (CCL): 529.14 mb = 5427.94 m = 17808.00 ft Mean mixing ratio: 4.26 g/kg Conv temperature: 33.28 C = 91.91 F Cap Strength: 4.76 C Lifted Index: 4.96 C Risk: None Lifted Index @300 mb: 9.88 C Lifted Index @700 mb: 2.48 C Showalter Index: 5.02 C Risk: None Total Totals Index: 41.40 C Risk: None Vertical Totals Index: 30.70 C Cross Totals Index: 10.70 C K Index: 16.50 Risk: < 20 % chance of thunderstorms Sweat Index: 26.60 Risk: None Energy Index: 0.05 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 30.59 J/kg Max Up Vert Vel: 7.82 m/s Conv Inhibition (B-): 7373.64 J/kg Cap Strength: 4.95 C Lift Cond Lev (LCL): 602.78 mb = 4402.34 m = 14443.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 339 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 ---------------------------------------------------------- 0 867 1370 190 5 0.9 4.9 | 171 12 -1.9 12.0 1 850 1541 185 1 0.1 1.0 | 162 8 -2.7 8.0 2 700 3189 115 3 -2.7 1.3 | 147 10 -5.5 8.3 3 500 5574 310 15 11.5 -9.6 | 287 9 8.8 -2.6 4 400 7560 305 27 22.1 -15.5 | 294 21 19.4 -8.4 5 300 9610 295 56 50.8 -23.7 | 289 51 48.0 -16.6 6 250 10870 300 77 66.7 -38.5 | 296 71 63.9 -31.5 7 200 12340 290 77 72.4 -26.3 | 285 72 69.6 -19.3 8 181 12984 285 77 74.4 -19.9 | 280 73 71.6 -12.9 9 150 14160 280 69 68.0 -12.0 | 274 65 65.2 -4.9 10 123 15344 275 66 65.7 -5.8 | 269 63 63.0 1.3 11 100 16560 265 52 51.8 4.5 | 257 50 49.1 11.6 Wind Parameters Mean winds (0-6000m): 308.7 at 10.1 knts Storm direction: 338.7 at 7.6 knts Shear (0-3000m) pos: 0.0 neg: 2.3 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -84.4 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -35.9 tot: -35.9 m^2/s^2 ave: -12.0 10^-3 m/s^2 rel: -0.80 Storm rel vorticity (0-3000m) horiz: 3.0 stream: -2.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.84 Bulk Shear: 16.65 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 ------------------------------------------------------------------------------- 500 184 2 164 9| 0.0 3.8 3.8| 0.0 -4.9 -4.9 -9.8 -0.41| 4.6 -1.9 1000 170 2 161 9| 0.0 1.9 1.9| 0.0 -6.4 -6.4 -6.4 -0.46| 2.7 -1.3 1500 152 2 157 9| 0.0 1.5 1.5| 0.0 -8.9 -8.9 -6.0 -0.54| 2.2 -1.2 2000 134 2 153 10| 0.0 1.6 1.6| 0.0 -14.0 -14.0 -7.0 -0.64| 2.1 -1.4 2500 110 3 146 10| 0.0 2.1 2.1| 0.0 -24.7 -24.7 -9.9 -0.75| 2.5 -1.9 3000 77 4 134 9| 0.0 2.3 2.3| 0.0 -35.9 -35.9 -12.0 -0.80| 3.0 -2.4 4000 335 6 171 2| 0.0 2.3 2.3| 0.0 -56.7 -56.7 -14.2 -0.86| 4.2 -3.6 5000 311 8 238 4| 0.0 2.3 2.3| 2.8 -62.9 -60.0 -12.0 -0.73| 4.2 -3.1 6000 309 10 262 5| 0.0 2.4 2.4| 4.8 -62.9 -58.0 -9.7 -0.63| 4.0 -2.5 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20251022.00.gif