UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042912.upa.cvt Date: 1200Z 29 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 29 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 1009 25 21.4 6.4 38 15.0 13.0 0 0 293.8 294.9 285.7 311.1 5.98 1 1000 102 20.2 4.2 35 16.0 11.6 10 2 293.4 294.3 284.7 308.4 5.17 2 925 776 13.8 3.8 51 10.0 8.5 40 14 293.4 294.4 285.0 309.2 5.43 3 902 985 12.2 2.2 50 10.0 7.1 50 13 293.9 294.8 284.7 308.4 4.97 4 868 1302 10.6 1.6 54 9.0 6.0 66 10 295.5 296.4 285.3 310.0 4.95 5 857 1407 11.0 2.0 54 9.0 6.3 72 9 297.0 297.9 286.1 312.2 5.16 6 850 1475 11.2 1.2 50 10.0 6.1 75 9 297.9 298.8 286.2 312.5 4.91 7 738 2635 2.4 -4.6 60 7.0 -0.7 111 12 300.6 301.2 285.9 311.7 3.68 8 736 2657 2.4 -4.6 60 7.0 -0.7 112 12 300.8 301.5 286.1 312.0 3.69 9 700 3059 -1.5 -8.5 59 7.0 -4.3 125 13 300.8 301.3 285.2 309.6 2.87 10 648 3670 -5.7 -9.7 73 4.0 -7.2 118 15 302.8 303.3 285.9 311.5 2.82 11 611 4129 -9.3 -15.3 62 6.0 -11.2 113 16 303.8 304.1 285.2 309.8 1.90 12 587 4438 -11.5 -22.5 40 11.0 -14.3 109 17 304.7 304.9 284.7 308.2 1.07 13 500 5650 -20.3 -27.3 54 7.0 -21.7 95 21 308.3 308.4 285.7 311.0 0.81 14 476 6012 -22.1 -34.1 33 12.0 -23.9 95 23 310.4 310.5 286.0 312.0 0.45 15 444 6517 -26.9 -38.9 31 12.0 -28.3 95 27 310.6 310.7 285.9 311.7 0.30 16 400 7260 -32.3 -53.3 11 21.0 -33.6 95 32 313.0 313.0 286.5 313.3 0.07 17 376 7695 -35.7 -51.7 18 16.0 -36.6 94 31 314.1 314.1 286.9 314.4 0.09 18 346 8270 -40.3 -54.3 21 14.0 -40.9 92 30 315.4 315.4 287.3 315.7 0.07 19 300 9230 -48.3 90 29 317.3 20 278 9727 -50.5 111 23 321.1 21 265 10036 -52.1 125 20 323.2 22 250 10410 -54.1 115 18 325.6 23 202 11776 -55.9 230 14 343.3 24 200 11840 -55.1 235 14 345.5 25 150 13680 -54.5 260 22 376.2 26 129 14644 -56.7 266 22 388.8 27 103 16073 -57.5 274 22 413.1 28 100 16260 -57.1 275 22 417.4 29 70 18510 -59.9 225 25 456.2 30 67 18784 -61.1 231 24 459.4 31 54 20135 -59.1 260 17 493.2 32 50 20620 -58.1 270 15 506.6 33 38 22372 -55.7 227 13 554.0 34 30 23890 -54.7 190 12 595.5 35 20 26460 -53.3 250 9 673.0 36 19 26792 -51.9 251 10 687.3 37 15 28340 -47.9 256 13 748.7 38 10 31040 -44.3 265 19 854.2 39 9.9 31107 -44.3 856.6 40 8.0 32546 -41.1 923.2 41 7.1 33369 -34.3 983.3 TRP 265 10036 -52.1 125 20 323.2 WND Sounding variables and indices 1000-500 mb thick: 5548.00 m Freezing level: 713.85 mb = 2904.28 m = 9528.35 ft Wetbulb zero: 750.23 mb = 2499.92 m = 8201.75 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 53.46 % Est. max temperature: 24.31 C = 75.76 F Sfc-Lift cond lev (LCL): 807.41 mb = 1896.96 m = 6223.54 ft T: 8.00 C 700-500 lapse rate: 7.26 C/km ThetaE index: 2.75 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 712.16 mb = 2920.80 m = 9582.57 ft Mean mixing ratio: 5.32 g/kg Conv temperature: 28.44 C = 83.19 F Cap Strength: 5.46 C Lifted Index: 2.71 C Risk: None Lifted Index @300 mb: 6.17 C Lifted Index @700 mb: 3.17 C Showalter Index: 0.48 C Risk: Thunderstorms probable Total Totals Index: 53.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 31.50 C Cross Totals Index: 21.50 C K Index: 25.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 133.40 Risk: None Energy Index: -0.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.12 J/kg Max Up Vert Vel: 1.49 m/s Conv Inhibition (B-): 61581.03 J/kg Cap Strength: 5.46 C Lift Cond Lev (LCL): 791.40 mb = 2061.40 m = 6763.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 127 at 11 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 1009 25 0 0 -0.0 -0.0 | 307 11 8.4 -6.3 1 1000 102 10 2 -0.3 -2.0 | 316 12 8.1 -8.3 2 925 776 40 14 -9.0 -10.7 | 2 17 -0.6 -17.0 3 850 1475 75 9 -8.7 -2.3 | 2 9 -0.3 -8.6 4 700 3059 125 13 -10.6 7.5 | 118 2 -2.2 1.2 5 500 5650 95 21 -20.9 1.8 | 70 13 -12.5 -4.5 6 400 7260 95 32 -31.9 2.8 | 82 24 -23.4 -3.5 7 300 9230 90 29 -29.0 0.0 | 73 21 -20.6 -6.3 8 265 10036 125 20 -16.4 11.5 | 123 9 -7.9 5.2 9 250 10410 115 18 -16.3 7.6 | 100 8 -7.9 1.3 10 200 11840 235 14 11.5 8.0 | 265 20 19.9 1.7 11 150 13680 260 22 21.7 3.8 | 275 30 30.1 -2.5 12 100 16260 275 22 21.9 -1.9 | 285 31 30.4 -8.2 13 70 18510 225 25 17.7 17.7 | 246 28 26.1 11.4 14 50 20620 270 15 15.0 -0.0 | 285 24 23.4 -6.3 15 30 23890 190 12 2.1 11.8 | 242 12 10.5 5.5 16 20 26460 250 9 8.5 3.1 | 281 17 16.9 -3.2 17 10 31040 265 19 18.9 1.7 | 280 28 27.4 -4.6 Wind Parameters Mean winds (0-6000m): 96.7 at 14.0 knts Storm direction: 126.7 at 10.5 knts Shear (0-3000m) pos: 2.2 neg: 0.0 tot: 2.2 10-3/s Storm rel Dir Shear (0-3000m): 165.3 deg Storm rel helicity (0-3000m) pos: 62.3 neg: -1.3 tot: 61.0 m^2/s^2 ave: 20.3 10^-3 m/s^2 rel: 0.64 Storm rel vorticity (0-3000m) horiz: 5.7 stream: 3.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 23.50 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 25 5 330 13| 9.8 0.0 9.8| 29.5 0.0 29.5 59.0 0.88| 10.1 8.9 1000 40 9 348 13| 6.3 0.0 6.3| 52.8 0.0 52.8 52.8 0.80| 9.1 7.3 1500 47 9 353 13| 3.1 0.0 3.1| 53.3 -1.3 52.0 34.6 0.60| 7.9 4.7 2000 57 9 357 11| 2.7 0.0 2.7| 57.0 -1.3 55.7 27.9 0.60| 6.7 4.1 2500 67 10 3 10| 2.4 0.0 2.4| 59.9 -1.3 58.6 23.4 0.61| 6.0 3.7 3000 79 10 11 8| 2.2 0.0 2.2| 62.3 -1.3 61.0 20.3 0.64| 5.7 3.6 4000 93 11 26 6| 1.7 0.5 2.2| 62.4 -3.2 59.2 14.8 0.53| 4.8 2.5 5000 97 13 41 6| 1.3 0.9 2.2| 62.4 -7.6 54.8 11.0 0.42| 4.3 1.8 6000 97 14 50 7| 1.1 1.2 2.3| 65.9 -12.1 53.8 9.0 0.36| 4.1 1.5 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250429.12.gif