UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122900.upa.cvt Date: 0000Z 29 DEC 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 29 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 24 5.6 -2.4 56 8.0 2.3 10 7 277.8 278.3 274.9 286.6 3.16 1 1000 121 5.2 -2.8 56 8.0 2.0 5 10 278.4 278.9 275.1 287.0 3.11 2 925 758 1.2 -6.8 55 8.0 -1.7 10 12 280.5 281.0 275.4 287.6 2.48 3 921 793 1.2 -7.8 51 9.0 -2.0 9 13 280.9 281.3 275.3 287.5 2.30 4 850 1427 -3.3 -12.3 50 9.0 -6.1 350 28 282.7 283.0 275.5 287.8 1.75 5 809 1817 -5.1 -11.1 63 6.0 -7.0 346 33 284.8 285.2 277.0 290.7 2.02 6 788 2024 -5.7 -10.7 68 5.0 -7.4 344 35 286.3 286.7 277.9 292.6 2.14 7 785 2053 -5.9 -11.9 63 6.0 -7.8 344 35 286.4 286.7 277.7 292.2 1.95 8 746 2452 -7.1 -30.1 14 23.0 -11.5 340 40 289.3 289.4 277.0 290.7 0.42 9 744 2473 -6.5 -30.5 13 24.0 -11.2 340 40 290.2 290.3 277.4 291.5 0.41 10 729 2633 -4.9 -30.9 11 26.0 -10.2 338 42 293.6 293.7 279.0 294.9 0.40 11 726 2665 -4.5 -29.5 12 25.0 -9.8 338 43 294.4 294.5 279.5 295.9 0.46 12 725 2676 -4.3 -28.3 13 24.0 -9.6 338 43 294.7 294.8 279.7 296.4 0.51 13 700 2952 -5.7 -26.7 17 21.0 -10.5 335 46 296.2 296.3 280.5 298.2 0.61 14 574 4485 -13.9 -35.9 14 22.0 -17.5 329 61 303.9 303.9 283.4 304.9 0.31 15 500 5520 -20.9 -41.9 13 21.0 -23.4 325 72 307.6 307.6 284.7 308.2 0.19 16 448 6322 -26.1 -46.1 13 20.0 -28.0 325 73 310.8 310.9 285.8 311.3 0.14 17 400 7130 -32.9 -54.9 9 22.0 -34.1 325 74 312.2 312.2 286.2 312.4 0.06 18 300 9090 -49.1 310 76 316.1 19 254 10169 -55.7 325 86 321.8 20 250 10270 -56.0 325 88 322.8 21 207 11456 -59.7 304 79 334.9 22 200 11670 -60.9 300 77 336.3 23 192 11925 -59.1 298 77 343.2 24 178 12405 -54.1 294 76 358.9 25 150 13500 -55.5 285 74 374.5 26 132 14317 -55.1 282 69 389.1 27 111 15421 -56.5 278 61 406.3 28 100 16080 -59.1 275 57 413.5 29 90 16739 -60.1 424.2 TRP 254 10169 -55.7 325 86 321.8 WND 250 10270 -56.0 325 88 322.8 Sounding variables and indices 1000-500 mb thick: 5399.00 m Freezing level: 902.07 mb = 961.74 m = 3155.26 ft Wetbulb zero: 960.31 mb = 451.88 m = 1482.54 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 30.93 % Est. max temperature: 10.19 C = 50.35 F Sfc-Lift cond lev (LCL): 894.49 mb = 1023.56 m = 3358.10 ft T: -0.44 C 700-500 lapse rate: 5.92 C/km ThetaE index: 1.93 C Layer 785.0- 744.0 mb Conv cond level (CCL): 623.71 mb = 3843.31 m = 12609.13 ft Mean mixing ratio: 2.76 g/kg Conv temperature: 28.53 C = 83.35 F Cap Strength: 15.67 C Lifted Index: 17.40 C Risk: None Lifted Index @300 mb: 20.49 C Lifted Index @700 mb: 11.74 C Showalter Index: 16.99 C Risk: None Total Totals Index: 26.20 C Risk: None Vertical Totals Index: 17.60 C Cross Totals Index: 8.60 C K Index: -15.70 Risk: None Sweat Index: 128.00 Risk: None Energy Index: 4.39 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.05 J/kg Max Up Vert Vel: 3.48 m/s Conv Inhibition (B-): 18521.14 J/kg Cap Strength: 17.20 C Lift Cond Lev (LCL): 847.90 mb = 1446.50 m = 4745.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 3 at 33 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 24 10 7 -1.2 -6.9 | 181 27 0.6 26.5 1 1000 121 5 10 -0.9 -10.0 | 182 23 1.0 23.5 2 925 758 10 12 -2.1 -11.8 | 179 22 -0.3 21.6 3 850 1427 350 28 4.9 -27.6 | 229 9 6.7 5.9 4 700 2952 335 46 19.4 -41.7 | 291 23 21.3 -8.3 5 500 5520 325 72 41.3 -59.0 | 301 50 43.1 -25.5 6 400 7130 325 74 42.4 -60.6 | 302 52 44.3 -27.2 7 300 9090 310 76 58.2 -48.9 | 284 62 60.1 -15.4 8 254 10169 325 86 49.3 -70.4 | 306 63 51.2 -37.0 9 250 10270 325 88 50.5 -72.1 | 306 65 52.3 -38.7 10 200 11670 300 77 66.7 -38.5 | 274 69 68.5 -5.1 11 150 13500 285 74 71.5 -19.2 | 259 75 73.3 14.3 12 100 16080 275 57 56.8 -5.0 | 244 65 58.6 28.5 Wind Parameters Mean winds (0-6000m): 333.1 at 44.6 knts Storm direction: 3.1 at 33.5 knts Shear (0-3000m) pos: 0.0 neg: 7.1 tot: 7.1 10-3/s Storm rel Dir Shear (0-3000m): 110.7 deg Storm rel helicity (0-3000m) pos: 74.0 neg: -6.6 tot: 67.4 m^2/s^2 ave: 22.5 10^-3 m/s^2 rel: 0.49 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 176.96 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 7 10 182 23| 0.0 4.4 4.4| 2.9 -4.2 -1.3 -2.6 -0.06| 4.6 -0.3 1000 7 12 181 22| 0.0 5.9 5.9| 9.8 -6.6 3.2 3.2 0.07| 6.2 0.4 1500 359 16 187 18| 0.0 7.8 7.8| 35.7 -6.6 29.1 19.4 0.43| 8.2 3.5 2000 354 20 196 14| 0.0 7.4 7.4| 50.5 -6.6 44.0 22.0 0.52| 7.9 4.1 2500 350 24 211 12| 0.0 7.2 7.2| 63.7 -6.6 57.1 22.8 0.53| 7.7 4.0 3000 345 27 230 11| 0.0 7.1 7.1| 74.0 -6.6 67.4 22.5 0.49| 7.6 3.7 4000 341 33 260 13| 0.0 6.6 6.6| 97.8 -6.6 91.2 22.8 0.45| 7.0 3.2 5000 336 39 278 18| 0.0 6.4 6.4|110.0 -6.6 103.4 20.7 0.40| 6.8 2.7 6000 333 45 286 23| 0.0 5.8 5.8|114.1 -6.9 107.2 17.9 0.37| 6.2 2.3 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251229.00.gif