UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for OIZH... Searching the city database file for: OIZH ... Date:0000Z 8 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 251 1 920 -8168 SFC 872 1370 2.0 -8.0 47 10.0 -1.7 160 5 286.1 286.6 278.2 293.1 2.40 3 850 1834 2.6 -8.4 44 11.0 -1.6 70 5 288.9 289.3 279.5 295.9 2.38 4 753 2651 6.2 -13.8 22 20.0 -1.3 33 5 303.0 303.3 284.8 308.5 1.75 5 710 3056 4.0 -24.0 11 28.0 -4.3 14 5 305.7 305.8 284.7 308.3 0.77 6 700 3154 4.2 -23.8 11 28.0 -4.2 10 5 307.1 307.3 285.2 309.8 0.80 7 693 3236 3.8 -23.2 12 27.0 -4.4 8 5 307.6 307.7 285.5 310.4 0.85 8 647 3790 1.2 -32.8 6 34.0 -7.0 357 8 310.7 310.8 286.1 312.1 0.37 9 595 4458 -3.5 -30.5 10 27.0 -10.1 343 12 312.8 312.9 286.9 314.6 0.51 10 534 5304 -8.5 -53.5 1 45.0 -14.6 326 16 316.7 316.7 287.7 316.9 0.05 11 500 5810 -12.7 -45.7 4 33.0 -17.5 315 19 317.6 317.6 288.1 318.0 0.13 12 400 7470 -25.5 -45.5 14 20.0 -27.6 310 33 321.8 321.9 289.5 322.5 0.16 13 365 8128 -31.3 -43.3 30 12.0 -32.5 313 33 322.6 322.7 289.8 323.5 0.23 14 320 9049 -38.3 -59.3 9 21.0 -39.2 318 33 325.3 325.3 290.4 325.5 0.04 15 300 9490 -41.9 -59.9 12 18.0 -42.6 320 33 326.3 326.3 290.7 326.5 0.04 16 250 10690 -52.3 -61.3 33 9.0 -52.5 295 48 328.3 328.3 291.3 328.5 0.04 17 221 11476 -59.1 -67.1 35 8.0 -59.2 303 51 329.6 329.6 291.6 329.7 0.02 18 200 12100 -61.1 -70.1 29 9.0 -61.2 310 54 336.0 336.0 293.3 336.1 0.02 19 163 13362 -64.7 -74.7 24 10.0 -64.8 300 38 350.2 350.2 296.7 350.2 0.01 20 150 13870 -64.9 -74.9 24 10.0 -65.0 285 58 358.3 358.3 298.4 358.3 0.01 21 146 14035 -65.1 -75.1 24 10.0 -65.2 285 60 360.7 360.7 298.8 360.8 0.01 22 137 14422 -65.7 -76.7 20 11.0 -65.8 285 64 366.3 366.3 299.9 366.3 0.01 23 124 15033 -62.5 -77.5 12 15.0 -62.7 285 71 382.7 382.7 302.7 382.7 0.01 24 121 15184 -63.2 -78.2 11 15.0 -63.3 285 73 384.1 384.1 302.9 384.1 0.01 25 118 15338 -63.9 -78.9 11 15.0 -64.0 283 70 385.6 385.6 303.1 385.6 0.01 26 114 15550 -63.3 -79.3 10 16.0 -63.4 280 66 390.5 390.5 303.9 390.5 0.01 27 100 16350 -66.1 -83.1 8 17.0 -66.2 270 52 400.0 400.0 305.2 400.0 0.00 TRP 163 13362 -64.7 -74.7 24 10.0 -64.8 300 38 350.2 350.2 296.7 350.2 0.01 WND 121 15184 -63.2 -78.2 11 15.0 -63.3 285 73 384.1 384.1 302.9 384.1 0.01 Sounding variables and indices 1000-500 mb thick: 5559.00 m Freezing level: 633.72 mb = 3960.58 m = 12993.86 ft Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 15.34 % Est. max temperature: 20.04 C = 68.06 F Sfc-Lift cond lev (LCL): 746.06 mb = 2715.04 m = 8907.51 ft T: 5.85 C 700-500 lapse rate: 6.36 C/km ThetaE index: 0.25 C Layer 710.0- 700.0 mb Conv cond level (CCL): 463.96 mb = 6366.45 m = 20887.03 ft Mean mixing ratio: 2.18 g/kg Conv temperature: 33.67 C = 92.60 F Cap Strength: 16.73 C Lifted Index: 16.58 C Risk: None Lifted Index @300 mb: 19.08 C Lifted Index @700 mb: 12.78 C Showalter Index: 19.16 C Risk: None Total Totals Index: 19.60 C Risk: None Vertical Totals Index: 15.30 C Cross Totals Index: 4.30 C K Index: -21.10 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 4.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 86.75 J/kg Max Up Vert Vel: 13.17 m/s Conv Inhibition (B-): 13769.70 J/kg Cap Strength: 16.76 C Lift Cond Lev (LCL): 662.77 mb = 3595.75 m = 11796.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 353 at 10 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 ---------------------------------------------------------- 0 872 1370 160 5 -1.7 4.7 | 169 15 -2.9 14.9 1 850 1834 70 5 -4.7 -1.7 | 145 10 -5.9 8.5 2 700 3154 10 5 -0.9 -4.9 | 158 6 -2.1 5.3 3 500 5810 315 19 13.4 -13.4 | 285 13 12.2 -3.2 4 400 7470 310 33 25.3 -21.2 | 295 26 24.1 -11.0 5 300 9490 320 33 21.2 -25.3 | 307 25 20.0 -15.1 6 250 10690 295 48 43.5 -20.3 | 283 43 42.3 -10.1 7 200 12100 310 54 41.4 -34.7 | 301 47 40.1 -24.5 8 163 13362 300 38 32.9 -19.0 | 286 33 31.7 -8.8 9 150 13870 285 58 56.0 -15.0 | 275 55 54.8 -4.8 10 121 15184 285 73 70.5 -18.9 | 277 70 69.3 -8.7 11 100 16350 270 52 52.0 -0.0 | 259 52 50.8 10.2 Wind Parameters Mean winds (0-6000m): 323.1 at 13.7 knts Storm direction: 353.1 at 10.3 knts Shear (0-3000m) pos: 0.0 neg: 2.8 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 126.2 deg Storm rel helicity (0-3000m) pos: 3.4 neg: -21.2 tot: -17.8 m^2/s^2 ave: -5.9 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 3.5 stream: -0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.04 Bulk Shear: 42.49 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 ------------------------------------------------------------------------------- 500 106 5 152 13| 0.0 7.4 7.4| 0.0 -20.4 -20.4 -40.9 -0.71| 8.2 -5.8 1000 68 5 145 10| 0.0 4.3 4.3| 0.1 -20.8 -20.7 -20.7 -0.58| 5.1 -3.0 1500 53 5 144 9| 0.0 3.2 3.2| 1.5 -20.8 -19.3 -12.9 -0.42| 4.1 -1.7 2000 41 5 145 8| 0.0 2.8 2.8| 2.8 -21.1 -18.3 -9.1 -0.31| 3.7 -1.1 2500 29 6 144 7| 0.0 2.8 2.8| 2.9 -21.2 -18.2 -7.3 -0.25| 3.5 -0.9 3000 15 6 145 5| 0.0 2.8 2.8| 3.4 -21.2 -17.8 -5.9 -0.11| 3.5 -0.4 4000 349 8 188 2| 0.0 2.8 2.8| 3.5 -22.8 -19.4 -4.8 -0.11| 3.6 -0.4 5000 332 11 257 4| 0.0 2.9 2.9| 8.8 -25.9 -17.1 -3.4 -0.07| 3.7 -0.3 6000 323 14 276 7| 0.0 3.1 3.1| 16.0 -25.9 -9.9 -1.7 -0.03| 3.8 -0.1 Wrote GIF file: /home/apache/climate/data/raob//OIZH/skewt/OIZH.skewt.20251208.00.gif