UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121912.upa.cvt Date: 1200Z 19 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 19 DEC 25 Station: LT220 WMO ident: 17220 Latitude: 38.43 Longitude: 27.17 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1022 21 14.6 4.6 51 10.0 9.4 320 5 286.0 286.9 281.6 300.6 5.20 1 1000 204 13.2 7.2 67 6.0 9.9 280 9 286.4 287.5 283.1 304.2 6.37 2 990 289 12.4 6.4 67 6.0 9.2 290 9 286.4 287.4 282.8 303.5 6.09 3 978 392 13.0 3.0 51 10.0 7.9 301 9 288.0 288.8 282.1 301.8 4.85 4 969 470 13.2 1.2 44 12.0 7.3 310 9 288.9 289.7 281.9 301.3 4.30 5 925 863 12.8 -1.2 38 14.0 6.1 355 8 292.4 293.1 282.8 303.5 3.78 6 923 881 13.0 -2.0 35 15.0 5.9 355 8 292.8 293.4 282.7 303.3 3.57 7 922 890 13.0 -4.0 30 17.0 5.4 355 8 292.9 293.4 282.2 302.0 3.08 8 920 908 13.4 -4.6 28 18.0 5.4 355 8 293.5 294.0 282.3 302.2 2.95 9 902 1074 13.6 -14.4 13 28.0 3.2 354 7 295.3 295.6 281.2 299.6 1.39 10 867 1405 12.8 -9.2 21 22.0 3.7 351 6 297.9 298.3 283.2 304.6 2.19 11 865 1424 12.8 -6.2 26 19.0 4.4 351 6 298.1 298.6 284.0 306.5 2.78 12 850 1570 11.6 -2.4 38 14.0 4.9 350 5 298.3 299.0 285.2 309.6 3.77 13 835 1719 11.2 -8.8 24 20.0 2.8 340 5 299.4 299.8 284.0 306.6 2.35 14 827 1799 11.4 -9.6 22 21.0 2.7 335 5 300.4 300.8 284.3 307.3 2.23 15 742 2696 5.0 -9.0 36 14.0 -0.8 277 6 302.9 303.4 285.7 311.0 2.60 16 700 3168 0.6 -8.4 51 9.0 -3.1 245 7 303.1 303.7 286.1 312.1 2.90 17 639 3893 -5.3 -17.3 38 12.0 -9.1 257 12 304.5 304.7 285.1 309.4 1.54 18 634 3954 -5.1 -19.1 32 14.0 -9.3 258 12 305.4 305.6 285.2 309.7 1.33 19 608 4282 -8.3 -18.3 44 10.0 -11.3 264 14 305.4 305.6 285.4 310.1 1.49 20 603 4346 -7.5 -20.5 35 13.0 -11.2 265 15 307.0 307.2 285.7 311.1 1.24 21 600 4385 -6.7 -22.7 27 16.0 -11.1 266 15 308.4 308.6 285.9 311.8 1.03 22 588 4543 -6.3 -27.3 17 21.0 -11.5 268 16 310.6 310.7 286.4 313.0 0.69 23 584 4597 -6.9 -27.9 17 21.0 -12.0 269 16 310.5 310.6 286.3 312.8 0.66 24 500 5790 -15.5 -38.5 12 23.0 -19.2 290 24 314.1 314.2 287.1 315.1 0.27 25 451 6558 -20.5 -44.5 10 24.0 -23.4 292 36 317.3 317.3 288.1 317.9 0.16 26 400 7430 -27.5 -43.5 20 16.0 -29.2 295 49 319.2 319.3 288.8 320.0 0.20 27 379 7817 -30.1 -44.1 24 14.0 -31.4 293 50 320.8 320.8 289.2 321.5 0.20 28 323 8937 -39.5 -49.5 34 10.0 -40.1 288 53 322.8 322.8 289.8 323.3 0.13 29 300 9440 -43.5 -51.5 41 8.0 -43.9 285 55 324.0 324.1 290.1 324.5 0.11 30 250 10640 -53.9 -59.9 48 6.0 -54.0 290 68 325.9 325.9 290.6 326.1 0.05 31 241 10874 -55.5 -62.5 41 7.0 -55.6 287 70 327.0 327.0 290.9 327.1 0.04 32 220 11448 -60.5 280 75 327.9 33 213 11650 -60.1 283 76 331.6 34 200 12040 -62.9 290 79 333.2 35 174 12890 -65.5 278 66 342.4 36 162 13327 -61.7 272 59 355.9 37 150 13800 -63.7 265 52 360.3 38 133 14539 -63.5 271 46 373.3 39 113 15540 -63.9 279 37 390.4 40 100 16290 -63.5 285 31 405.0 41 94 16670 -64.7 288 29 409.9 42 84 17362 -62.9 292 26 427.0 43 70 18480 -65.5 300 20 444.3 44 62 19219 -63.9 309 21 463.5 45 50 20540 -62.5 325 22 496.2 46 44 21335 -60.1 335 23 520.5 47 30 23740 -58.1 5 25 586.2 48 26 24641 -58.9 354 33 608.5 49 20 26280 -61.5 335 47 647.9 50 13 28933 -64.5 323 76 722.5 51 10 30540 -63.7 315 94 781.8 52 8.0 31921 -60.1 847.6 53 5.5 34298 -52.9 975.4 54 5.0 34918 -49.5 300 108 1017.9 55 4.6 35468 -46.5 1056.3 TRP 220 11448 -60.5 280 75 327.9 WND 5.0 34918 -49.5 300 108 1017.9 Sounding variables and indices 1000-500 mb thick: 5586.00 m Freezing level: 693.80 mb = 3241.69 m = 10635.34 ft Wetbulb zero: 761.68 mb = 2479.33 m = 8134.18 ft Precipitable water: 0.53 inches Sfc-500 mean rel hum: 31.48 % Est. max temperature: 26.20 C = 79.16 F Sfc-Lift cond lev (LCL): 879.05 mb = 1289.43 m = 4230.38 ft T: 13.08 C 700-500 lapse rate: 6.14 C/km ThetaE index: 2.98 C Layer 835.0- 827.0 mb Conv cond level (CCL): 669.02 mb = 3527.72 m = 11573.75 ft Mean mixing ratio: 4.83 g/kg Conv temperature: 32.56 C = 90.62 F Cap Strength: 11.32 C Lifted Index: 11.70 C Risk: None Lifted Index @300 mb: 15.37 C Lifted Index @700 mb: 8.61 C Showalter Index: 7.04 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 27.10 C Cross Totals Index: 13.10 C K Index: 15.70 Risk: < 20 % chance of thunderstorms Sweat Index: 34.00 Risk: None Energy Index: 1.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.45 J/kg Max Up Vert Vel: 7.67 m/s Conv Inhibition (B-): 62444.68 J/kg Cap Strength: 11.67 C Lift Cond Lev (LCL): 830.06 mb = 1768.41 m = 5801.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 319 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 1022 21 320 5 3.2 -3.8 | 137 4 -2.4 2.6 1 1000 204 280 9 8.9 -1.6 | 213 6 3.2 4.9 2 925 863 355 8 0.7 -8.0 | 73 5 -5.0 -1.5 3 850 1570 350 5 0.9 -4.9 | 107 5 -4.8 1.5 4 700 3168 245 7 6.3 3.0 | 184 9 0.7 9.4 5 500 5790 290 24 22.6 -8.2 | 276 17 16.9 -1.8 6 400 7430 295 49 44.4 -20.7 | 290 41 38.8 -14.3 7 300 9440 285 55 53.1 -14.2 | 279 48 47.5 -7.8 8 250 10640 290 68 63.9 -23.3 | 286 61 58.2 -16.8 9 220 11448 280 75 73.9 -13.0 | 276 69 68.2 -6.6 10 200 12040 290 79 74.2 -27.0 | 287 72 68.6 -20.6 11 150 13800 265 52 51.8 4.5 | 257 47 46.2 11.0 12 100 16290 285 31 29.9 -8.0 | 274 24 24.3 -1.6 13 70 18480 300 20 17.3 -10.0 | 287 12 11.7 -3.6 14 50 20540 325 22 12.6 -18.0 | 329 14 7.0 -11.6 15 30 23740 5 25 -2.2 -24.9 | 23 20 -7.8 -18.5 16 20 26280 335 47 19.9 -42.6 | 339 39 14.2 -36.2 17 10 30540 315 94 66.5 -66.5 | 315 85 60.8 -60.0 Wind Parameters Mean winds (0-6000m): 288.7 at 11.4 knts Storm direction: 318.7 at 8.6 knts Shear (0-3000m) pos: 0.9 neg: 1.9 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 49.6 deg Storm rel helicity (0-3000m) pos: 13.9 neg: -0.4 tot: 13.5 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 17.68 Bulk Shear: 1.67 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 ------------------------------------------------------------------------------- 500 296 8 210 3| 0.0 3.6 3.6| 4.8 -0.0 4.8 9.6 0.48| 11.8 5.7 1000 318 8 154 0| 2.7 1.8 4.5| 6.3 -0.1 6.2 6.2 0.24| 9.5 2.3 1500 329 7 90 2| 1.8 1.0 2.8| 9.0 -0.1 9.0 6.0 0.32| 7.0 2.3 2000 331 7 100 2| 1.4 1.4 2.8| 11.0 -0.1 10.9 5.4 0.37| 6.0 2.2 2500 325 7 117 2| 1.1 1.7 2.8| 13.3 -0.1 13.3 5.3 0.42| 5.5 2.3 3000 316 7 149 2| 0.9 1.9 2.8| 13.9 -0.4 13.5 4.5 0.38| 5.2 2.0 4000 293 7 197 4| 0.3 1.7 2.0| 29.3 -0.9 28.4 7.1 0.45| 4.8 2.2 5000 285 9 217 5| 0.8 1.4 2.2| 53.7 -0.9 52.8 10.6 0.54| 4.7 2.5 6000 289 11 242 6| 1.6 1.1 2.7| 84.7 -0.9 83.8 14.0 0.57| 4.8 2.7 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251219.12.gif