UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122812.upa.cvt Date: 1200Z 28 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 28 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 1007 24 8.0 -1.0 53 9.0 4.1 130 8 280.6 281.2 276.9 290.5 3.52 1 1000 81 8.0 1.0 61 7.0 4.8 155 10 281.1 281.9 277.9 292.6 4.11 2 944 557 6.2 1.4 71 4.8 3.9 236 15 284.0 284.8 279.8 296.6 4.48 3 925 724 6.0 2.3 77 3.7 4.2 265 17 285.4 286.3 281.0 299.2 4.88 4 850 1412 1.2 -1.4 83 2.6 0.1 295 25 287.4 288.1 280.9 299.0 4.06 5 832 1584 0.2 -3.0 79 3.2 -1.2 295 27 288.1 288.8 280.8 298.7 3.68 6 794 1958 -1.1 -6.1 69 5.0 -3.1 295 31 290.6 291.1 281.1 299.6 3.05 7 750 2415 0.2 -9.8 47 10.0 -3.6 295 36 296.8 297.2 283.1 304.2 2.42 8 706 2898 -1.7 -13.7 39 12.0 -5.8 295 41 299.9 300.2 283.7 305.7 1.88 9 700 2966 -1.7 -14.7 36 13.0 -6.1 295 42 300.6 300.9 283.8 306.1 1.74 10 653 3516 -5.3 -18.3 35 13.0 -9.2 297 44 302.6 302.8 284.2 307.0 1.38 11 553 4802 -13.9 -23.9 43 10.0 -16.3 302 50 307.1 307.3 285.5 310.4 1.00 12 500 5560 -19.7 -28.7 45 9.0 -21.4 305 53 309.0 309.2 285.8 311.4 0.72 13 442 6465 -26.1 -40.1 26 14.0 -27.7 297 52 312.0 312.1 286.4 313.0 0.26 14 400 7180 -31.9 -44.9 26 13.0 -33.0 290 51 313.5 313.6 286.8 314.2 0.17 15 397 7233 -32.5 -46.5 24 14.0 -33.6 290 51 313.4 313.5 286.7 314.0 0.15 16 300 9150 -47.5 -60.5 21 13.0 -47.9 300 59 318.4 318.4 288.3 318.5 0.04 17 250 10330 -56.7 300 61 321.8 18 247 10406 -57.3 300 59 322.0 19 241 10562 -56.5 297 59 325.5 20 214 11315 -57.1 283 60 335.8 21 200 11740 -60.9 275 61 336.3 22 190 12059 -60.3 277 62 342.3 23 185 12226 -59.1 278 62 346.8 24 150 13550 -56.1 285 66 373.4 25 144 13810 -56.1 284 66 377.8 26 100 16100 -62.7 275 63 406.6 27 92 16617 -61.7 280 59 418.4 28 84 17185 -59.7 285 56 433.5 29 70 18320 -62.7 295 48 450.2 30 65 18780 -61.5 294 42 462.5 31 50 20410 -61.9 290 23 497.6 32 44 21201 -61.1 290 24 518.1 33 30 23580 -60.3 290 26 580.3 34 29 23791 -60.1 288 26 586.5 35 20 26120 -58.1 265 28 658.3 36 16 27519 -59.5 268 36 697.1 37 12 29319 -59.3 272 47 757.6 38 10 30470 -55.7 275 54 811.6 39 7.3 32469 -56.9 883.2 40 6.0 33706 -58.7 270 71 926.5 41 5.6 34139 -59.3 942.2 TRP 247 10406 -57.3 300 59 322.0 WND 6.0 33706 -58.7 270 71 926.5 Sounding variables and indices 1000-500 mb thick: 5479.00 m Freezing level: 826.15 mb = 1641.66 m = 5385.95 ft Freezing level: 756.77 mb = 2344.46 m = 7691.69 ft Freezing level: 745.37 mb = 2465.54 m = 8088.95 ft Wetbulb zero: 848.85 mb = 1422.85 m = 4668.08 ft Precipitable water: 0.56 inches Sfc-500 mean rel hum: 53.20 % Est. max temperature: 14.64 C = 58.35 F Sfc-Lift cond lev (LCL): 877.15 mb = 1156.13 m = 3793.04 ft T: 2.99 C 700-500 lapse rate: 6.94 C/km ThetaE index: 0.48 C Layer 850.0- 794.0 mb Conv cond level (CCL): 679.07 mb = 3206.31 m = 10519.26 ft Mean mixing ratio: 4.43 g/kg Conv temperature: 28.92 C = 84.05 F Cap Strength: 11.74 C Lifted Index: 12.16 C Risk: None Lifted Index @300 mb: 16.03 C Lifted Index @700 mb: 10.17 C Showalter Index: 9.93 C Risk: None Total Totals Index: 39.20 C Risk: None Vertical Totals Index: 20.90 C Cross Totals Index: 18.30 C K Index: 6.50 Risk: None Sweat Index: 103.00 Risk: None Energy Index: 2.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.02 J/kg Max Up Vert Vel: 6.33 m/s Conv Inhibition (B-): 62795.10 J/kg Cap Strength: 12.17 C Lift Cond Lev (LCL): 881.62 mb = 1114.84 m = 3657.58 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 327 at 28 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 1007 24 130 8 -6.1 5.1 | 143 36 -21.4 28.8 1 1000 81 155 10 -4.2 9.1 | 149 38 -19.5 32.7 2 925 724 265 17 16.9 1.5 | 184 25 1.6 25.1 3 850 1412 295 25 22.7 -10.6 | 209 15 7.4 13.1 4 700 2966 295 42 38.1 -17.7 | 256 24 22.8 5.9 5 500 5560 305 53 43.4 -30.4 | 284 29 28.1 -6.8 6 400 7180 290 51 47.9 -17.4 | 259 33 32.6 6.2 7 300 9150 300 59 51.1 -29.5 | 279 36 35.8 -5.9 8 250 10330 300 61 52.8 -30.5 | 280 38 37.5 -6.9 9 247 10406 300 59 51.1 -29.5 | 279 36 35.8 -5.9 10 200 11740 275 61 60.8 -5.3 | 248 49 45.5 18.3 11 150 13550 285 66 63.8 -17.1 | 262 49 48.5 6.5 12 100 16100 275 63 62.8 -5.5 | 249 51 47.5 18.1 13 70 18320 295 48 43.5 -20.3 | 263 28 28.2 3.3 14 50 20410 290 23 21.6 -7.9 | 202 17 6.3 15.8 15 30 23580 290 26 24.4 -8.9 | 212 17 9.1 14.7 16 20 26120 265 28 27.9 2.4 | 206 29 12.6 26.1 17 10 30470 275 54 53.8 -4.7 | 244 43 38.5 18.9 Wind Parameters Mean winds (0-6000m): 297.1 at 37.5 knts Storm direction: 327.1 at 28.1 knts Shear (0-3000m) pos: 6.7 neg: 1.9 tot: 8.6 10-3/s Storm rel Dir Shear (0-3000m): 112.9 deg Storm rel helicity (0-3000m) pos: 348.7 neg: 0.0 tot: 348.7 m^2/s^2 ave: 116.2 10^-3 m/s^2 rel: 0.78 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 8.3 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.09 Bulk Shear: 228.08 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 ------------------------------------------------------------------------------- 500 196 12 161 37| 18.6 0.0 18.6|189.1 0.0 189.1 378.3 0.91| 21.9 19.9 1000 249 15 177 29| 14.2 0.0 14.2|255.4 0.0 255.4 255.4 0.78| 18.8 14.8 1500 271 18 186 23| 11.7 0.0 11.7|284.5 0.0 284.5 189.7 0.76| 15.7 12.0 2000 281 20 194 20| 8.7 1.4 10.2|306.1 0.0 306.1 153.1 0.78| 13.2 10.3 2500 286 23 202 19| 7.0 2.3 9.2|327.8 0.0 327.8 131.1 0.78| 11.7 9.2 3000 289 26 212 18| 6.7 1.9 8.6|348.7 0.0 348.7 116.2 0.78| 10.6 8.3 4000 292 31 227 18| 5.6 1.4 7.0|380.2 0.0 380.2 95.1 0.79| 8.6 6.8 5000 295 34 240 18| 4.9 1.1 6.1|414.3 0.0 414.3 82.9 0.80| 7.5 6.0 6000 297 38 250 19| 4.3 1.0 5.3|432.5 -28.6 403.9 67.3 0.72| 6.8 4.9 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251228.12.gif