UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122300.upa.cvt Date: 0000Z 23 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 23 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 1012 23 8.6 6.6 87 2.0 7.6 125 3 280.8 281.8 280.1 297.4 6.04 1 1000 122 10.2 5.2 71 5.0 7.6 40 5 283.4 284.3 280.8 298.8 5.54 2 998 139 10.0 5.0 71 5.0 7.5 41 5 283.3 284.3 280.7 298.6 5.48 3 970 374 8.6 3.6 71 5.0 6.1 48 7 284.2 285.1 280.7 298.5 5.11 4 963 434 8.6 3.6 71 5.0 6.1 50 8 284.8 285.7 281.0 299.2 5.14 5 925 767 9.2 4.2 71 5.0 6.6 60 11 288.7 289.7 283.2 304.6 5.59 6 890 1087 7.8 3.1 72 4.7 5.4 65 8 290.5 291.4 283.8 305.9 5.37 7 850 1466 4.8 1.2 77 3.6 3.1 70 5 291.2 292.0 283.5 305.4 4.91 8 735 2637 -2.3 -9.3 59 7.0 -4.9 6 7 295.8 296.2 282.8 303.5 2.57 9 729 2703 -2.7 -10.7 54 8.0 -5.6 3 7 296.0 296.5 282.6 303.1 2.32 10 700 3024 -4.1 -12.1 54 8.0 -6.9 345 8 297.9 298.3 283.2 304.6 2.16 11 657 3519 -8.3 -18.3 44 10.0 -11.1 331 9 298.7 298.9 282.6 303.0 1.37 12 591 4331 -14.5 -19.5 66 5.0 -15.8 307 10 300.6 300.9 283.4 305.0 1.38 13 590 4344 -14.5 -20.5 60 6.0 -16.0 307 10 300.8 301.0 283.3 304.8 1.27 14 589 4356 -14.7 -20.7 60 6.0 -16.2 307 10 300.7 300.9 283.2 304.7 1.25 15 578 4500 -12.7 -34.7 14 22.0 -16.5 302 10 304.7 304.7 283.7 305.9 0.35 16 574 4552 -13.1 -36.1 13 23.0 -16.9 301 10 304.8 304.9 283.7 305.9 0.30 17 567 4646 -13.3 -38.3 10 25.0 -17.2 298 10 305.6 305.7 284.0 306.5 0.25 18 500 5590 -20.1 -37.1 20 17.0 -22.5 270 11 308.5 308.6 285.2 309.6 0.32 19 479 5906 -22.7 -36.7 27 14.0 -24.6 275 12 309.1 309.2 285.4 310.3 0.34 20 400 7200 -33.7 -41.7 44 8.0 -34.4 295 16 311.2 311.2 286.1 312.1 0.25 21 314 8850 -47.5 -53.5 50 6.0 -47.7 295 12 314.3 314.3 286.9 314.6 0.08 22 311 8913 -47.7 -54.7 44 7.0 -47.9 295 12 314.9 314.9 287.1 315.1 0.07 23 300 9150 -49.5 -59.5 30 10.0 -49.7 295 11 315.6 315.6 287.3 315.7 0.04 24 272 9789 -54.1 315 12 317.9 25 250 10330 -55.9 270 9 323.0 26 243 10509 -56.5 271 11 324.7 27 232 10801 -56.7 272 13 328.7 28 200 11740 -55.1 275 22 345.5 29 198 11804 -54.5 274 22 347.5 30 150 13590 -53.1 260 36 378.6 31 134 14320 -52.9 254 35 391.3 32 100 16180 -60.5 240 34 410.8 33 92 16700 -60.3 246 35 421.1 34 70 18390 -63.7 265 38 448.1 35 61 19237 -63.9 255 36 465.7 36 51 20346 -60.3 241 33 498.5 37 50 20470 -60.5 240 33 500.9 38 41 21704 -61.7 252 39 527.2 39 30 23660 -57.5 270 48 587.9 40 26 24563 -58.5 270 55 609.6 41 20 26210 -59.9 270 67 652.8 42 19 26529 -60.9 271 69 659.4 43 15 27998 -60.7 273 75 706.1 44 12 29385 -60.6 275 82 753.1 45 10 30520 -60.5 275 73 793.7 46 7.9 31985 -61.3 845.9 TRP 272 9789 -54.1 315 12 317.9 WND 12 29385 -60.6 275 82 753.1 Sounding variables and indices 1000-500 mb thick: 5468.00 m Freezing level: 772.25 mb = 2257.91 m = 7407.75 ft Wetbulb zero: 805.74 mb = 1896.87 m = 6223.24 ft Precipitable water: 0.65 inches Sfc-500 mean rel hum: 52.78 % Est. max temperature: 18.81 C = 65.85 F Sfc-Lift cond lev (LCL): 981.62 mb = 275.70 m = 904.51 ft T: 9.19 C 700-500 lapse rate: 6.24 C/km ThetaE index: 2.81 C Layer 850.0- 700.0 mb Conv cond level (CCL): 796.32 mb = 1991.69 m = 6534.33 ft Mean mixing ratio: 5.41 g/kg Conv temperature: 21.11 C = 69.99 F Cap Strength: 7.60 C Lifted Index: 8.39 C Risk: None Lifted Index @300 mb: 10.66 C Lifted Index @700 mb: 4.96 C Showalter Index: 5.19 C Risk: None Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.30 C K Index: 18.10 Risk: < 20 % chance of thunderstorms Sweat Index: 35.40 Risk: None Energy Index: 0.89 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.06 J/kg Max Up Vert Vel: 7.62 m/s Conv Inhibition (B-): 58841.09 J/kg Cap Strength: 8.35 C Lift Cond Lev (LCL): 892.63 mb = 1062.76 m = 3486.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 at 6 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 1012 23 125 3 -2.5 1.7 | 166 8 -2.1 8.1 1 1000 122 40 5 -3.2 -3.8 | 132 4 -2.8 2.5 2 925 767 60 11 -9.5 -5.5 | 95 9 -9.1 0.9 3 850 1466 70 5 -4.7 -1.7 | 137 6 -4.3 4.6 4 700 3024 345 8 2.1 -7.7 | 299 3 2.5 -1.4 5 500 5590 270 11 11.0 -0.0 | 241 13 11.4 6.4 6 400 7200 295 16 14.5 -6.8 | 272 15 14.9 -0.4 7 300 9150 295 11 10.0 -4.6 | 261 11 10.4 1.7 8 272 9789 315 12 8.5 -8.5 | 284 9 8.9 -2.1 9 250 10330 270 9 9.0 -0.0 | 236 11 9.4 6.4 10 200 11740 275 22 21.9 -1.9 | 259 23 22.3 4.4 11 150 13590 260 36 35.5 6.3 | 251 38 35.9 12.6 12 100 16180 240 34 29.4 17.0 | 232 38 29.8 23.4 13 70 18390 265 38 37.9 3.3 | 256 39 38.3 9.7 14 50 20470 240 33 28.6 16.5 | 232 37 29.0 22.9 15 30 23660 270 48 48.0 -0.0 | 263 49 48.4 6.4 16 20 26210 270 67 67.0 -0.0 | 265 68 67.4 6.4 17 12 29385 275 82 81.7 -7.1 | 271 82 82.1 -0.8 18 10 30520 275 73 72.7 -6.4 | 270 73 73.1 -0.0 Wind Parameters Mean winds (0-6000m): 333.6 at 8.5 knts Storm direction: 3.6 at 6.4 knts Shear (0-3000m) pos: 0.7 neg: 2.2 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 133.4 deg Storm rel helicity (0-3000m) pos: 10.3 neg: -13.3 tot: -3.0 m^2/s^2 ave: -1.0 10^-3 m/s^2 rel: -0.29 Storm rel vorticity (0-3000m) horiz: 4.8 stream: -1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.54 Bulk Shear: 11.44 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 50 6 118 5| 0.0 8.6 8.6| 0.0 -8.0 -8.0 -15.9 -0.64| 10.1 -6.4 1000 57 8 107 7| 0.9 4.3 5.2| 4.1 -8.8 -4.7 -4.7 -0.34| 7.3 -2.5 1500 59 8 112 7| 1.4 2.9 4.2| 10.3 -8.8 1.5 1.0 -0.08| 6.2 -0.5 2000 58 7 114 6| 1.0 2.7 3.7| 10.3 -11.1 -0.8 -0.4 -0.15| 5.4 -0.8 2500 51 7 111 5| 0.8 2.5 3.3| 10.3 -12.3 -2.0 -0.8 -0.21| 5.0 -1.1 3000 41 7 103 4| 0.7 2.2 2.9| 10.3 -13.3 -3.0 -1.0 -0.29| 4.8 -1.4 4000 20 7 73 2| 0.5 1.7 2.2| 10.3 -16.1 -5.8 -1.5 -0.31| 4.2 -1.3 5000 358 8 335 2| 0.4 1.3 1.7| 10.3 -23.5 -13.2 -2.6 -0.35| 3.9 -1.4 6000 334 8 287 4| 0.4 1.1 1.4| 16.3 -30.2 -13.9 -2.3 -0.32| 3.6 -1.2 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251223.00.gif