UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 27 APR 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 1011 22 24.6 10.6 41 14.0 16.0 260 10 296.8 298.3 288.8 320.0 7.95 1 1000 117 24.0 8.0 36 16.0 14.6 285 11 297.1 298.4 287.7 316.9 6.74 2 925 799 18.2 2.2 34 16.0 9.7 25 12 297.9 298.8 286.1 312.3 4.85 3 850 1508 11.4 1.4 50 10.0 6.2 35 12 298.1 299.0 286.4 312.9 4.98 4 829 1716 9.0 1.0 57 8.0 4.9 41 12 297.7 298.6 286.2 312.4 4.96 5 816 1847 8.0 1.0 61 7.0 4.5 46 12 298.0 298.9 286.4 313.0 5.04 6 715 2922 -1.1 -9.1 55 8.0 -4.2 80 11 299.4 299.9 284.4 307.7 2.68 7 700 3091 -1.7 -8.7 59 7.0 -4.5 85 11 300.6 301.1 285.1 309.3 2.83 8 630 3919 -7.7 -14.7 57 7.0 -10.0 98 12 303.0 303.3 284.9 309.1 1.94 9 627 3956 -7.5 -15.5 53 8.0 -10.1 98 12 303.6 303.9 285.1 309.4 1.82 10 578 4584 -11.1 -26.1 28 15.0 -14.6 108 13 306.5 306.7 285.0 309.2 0.79 11 554 4908 -13.3 -21.3 51 8.0 -15.4 113 13 307.7 307.9 285.9 311.8 1.26 12 505 5606 -17.9 -33.9 23 16.0 -20.6 124 14 310.3 310.4 286.0 311.8 0.43 13 500 5680 -18.7 -30.7 34 12.0 -20.9 125 14 310.2 310.4 286.1 312.3 0.59 14 485 5907 -20.7 -29.7 44 9.0 -22.4 143 17 310.5 310.6 286.3 312.8 0.67 15 455 6378 -23.9 -35.9 32 12.0 -25.6 182 22 312.2 312.3 286.6 313.6 0.39 16 409 7151 -29.3 -49.3 13 20.0 -30.9 247 32 314.9 314.9 287.2 315.3 0.10 17 402 7274 -29.1 -55.1 6 26.0 -30.9 257 34 316.7 316.7 287.7 316.9 0.05 18 400 7310 -30.3 260 34 315.6 19 333 8592 -39.5 -55.5 17 16.0 -40.2 260 42 320.0 320.0 288.8 320.2 0.06 20 300 9300 -44.9 -61.9 13 17.0 -45.4 260 47 322.1 322.1 289.4 322.2 0.03 21 258 10296 -50.1 255 38 328.6 22 250 10500 -52.5 260 35 328.0 23 232 10981 -53.1 258 36 334.2 24 200 11930 -55.3 255 39 345.2 25 187 12359 -53.5 255 35 354.8 26 150 13780 -51.7 255 24 381.0 27 144 14044 -53.5 256 23 382.3 28 111 15704 -58.1 262 20 403.3 29 100 16360 -59.5 265 19 412.8 30 77 17993 -59.3 254 26 445.2 31 70 18590 -58.7 250 29 458.8 32 50 20710 -58.9 215 20 504.7 33 41 21964 -56.1 217 17 541.1 34 30 23960 -53.9 220 13 597.7 35 29 24179 -53.3 223 14 605.2 36 21 26272 -51.3 246 21 669.7 37 20 26590 -50.9 250 22 680.4 38 14 28935 -47.5 265 19 765.0 39 11 30550 -42.3 276 17 838.5 40 10 31200 -38.9 280 16 874.3 41 5.8 35059 -23.7 -59.7 2 36.0 -46.4 1088.0 1089.4 332.8 1117.0 2.12 42 4.8 36442 -23.7 -59.7 2 36.0 -47.4 1148.5 1150.3 333.7 1185.6 2.56 TRP 258 10296 -50.1 255 38 328.6 WND Sounding variables and indices 1000-500 mb thick: 5563.00 m Freezing level: 727.21 mb = 2791.80 m = 9159.33 ft Wetbulb zero: 763.90 mb = 2383.71 m = 7820.49 ft Precipitable water: 0.86 inches Sfc-500 mean rel hum: 46.73 % Est. max temperature: 25.86 C = 78.54 F Sfc-Lift cond lev (LCL): 822.63 mb = 1780.34 m = 5840.93 ft T: 8.51 C 700-500 lapse rate: 6.57 C/km ThetaE index: 7.67 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 744.59 mb = 2591.95 m = 8503.66 ft Mean mixing ratio: 5.82 g/kg Conv temperature: 26.81 C = 80.26 F Cap Strength: 1.17 C Lifted Index: 0.73 C Risk: Showers probable Lifted Index @300 mb: 5.59 C Lifted Index @700 mb: 0.21 C Showalter Index: 1.85 C Risk: Showers probable Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.10 C Cross Totals Index: 20.10 C K Index: 24.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 78.80 Risk: None Energy Index: -0.12 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.79 J/kg Max Up Vert Vel: 4.86 m/s Conv Inhibition (B-): 39.32 J/kg Cap Strength: 1.17 C Lift Cond Lev (LCL): 760.53 mb = 2419.74 m = 7938.68 ft Lev Free Conv (LFC): 715.53 mb = 2915.66 m = 9565.71 ft Equ Level (EL): 705.53 mb = 3028.17 m = 9934.83 ft B at Equ Level: 1.91 J/kg Max Parcel Lev (MPL): 545.53 mb = 5023.95 m = 16482.56 ft Wind level data Storm motion: 113 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 1011 22 260 10 9.8 1.7 | 276 18 18.3 -1.8 1 1000 117 285 11 10.6 -2.8 | 289 20 19.1 -6.4 2 925 799 25 12 -5.1 -10.9 | 347 15 3.4 -14.5 3 850 1508 35 12 -6.9 -9.8 | 353 14 1.6 -13.4 4 700 3091 85 11 -11.0 -1.0 | 29 5 -2.5 -4.5 5 500 5680 125 14 -11.5 8.0 | 146 5 -3.0 4.4 6 400 7310 260 34 33.5 5.9 | 267 42 41.9 2.3 7 300 9300 260 47 46.3 8.2 | 265 55 54.8 4.6 8 258 10296 255 38 36.7 9.8 | 262 46 45.2 6.3 9 250 10500 260 35 34.5 6.1 | 267 43 42.9 2.5 10 200 11930 255 39 37.7 10.1 | 262 47 46.1 6.5 11 150 13780 255 24 23.2 6.2 | 265 32 31.6 2.6 12 100 16360 265 19 18.9 1.7 | 274 27 27.4 -1.9 13 70 18590 250 29 27.3 9.9 | 260 36 35.7 6.3 14 50 20710 215 20 11.5 16.4 | 237 24 19.9 12.8 15 30 23960 220 13 8.4 10.0 | 249 18 16.8 6.4 16 20 26590 250 22 20.7 7.5 | 262 29 29.1 3.9 17 10 31200 280 16 15.8 -2.8 | 285 25 24.2 -6.4 Wind Parameters Mean winds (0-6000m): 83.0 at 12.3 knts Storm direction: 113.0 at 9.2 knts Shear (0-3000m) pos: 3.6 neg: 0.0 tot: 3.6 10-3/s Storm rel Dir Shear (0-3000m): 110.9 deg Storm rel helicity (0-3000m) pos: 135.4 neg: 0.0 tot: 135.4 m^2/s^2 ave: 45.1 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 5.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.19 Bulk Shear: 62.10 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 ------------------------------------------------------------------------------- 500 307 11 301 20| 15.0 0.0 15.0| 82.1 0.0 82.1 164.2 0.97| 16.8 16.3 1000 347 12 323 18| 10.2 0.0 10.2|117.1 0.0 117.1 117.1 0.93| 13.1 12.2 1500 7 12 335 17| 7.0 0.0 7.0|121.4 0.0 121.4 80.9 0.92| 9.2 8.5 2000 19 12 342 15| 5.4 0.0 5.4|128.1 0.0 128.1 64.1 0.89| 7.8 6.9 2500 28 12 348 14| 4.4 0.0 4.4|132.6 0.0 132.6 53.0 0.86| 6.9 5.9 3000 37 12 353 13| 3.6 0.0 3.6|135.4 0.0 135.4 45.1 0.83| 6.3 5.2 4000 53 12 4 11| 2.8 0.0 2.8|138.9 0.0 138.9 34.7 0.83| 5.1 4.3 5000 68 12 17 8| 2.3 0.0 2.3|142.4 0.0 142.4 28.5 0.84| 4.5 3.8 6000 83 12 36 6| 2.0 0.0 2.0|157.4 0.0 157.4 26.2 0.80| 4.7 3.8 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250427.12.gif