UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 20 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 24.2 12.2 47 12.0 16.7 240 7 296.6 298.2 289.5 322.3 8.87 1 1000 103 23.6 14.6 57 9.0 17.8 310 10 296.8 298.6 290.9 327.1 10.50 2 925 785 17.2 11.2 68 6.0 13.5 350 6 296.9 298.5 289.8 323.2 9.06 3 850 1492 10.8 6.4 74 4.4 8.3 5 12 297.5 298.7 288.2 318.3 7.11 4 831 1680 9.6 5.0 73 4.6 7.1 359 13 298.1 299.3 287.9 317.5 6.59 5 803 1964 7.6 1.6 66 6.0 4.5 349 15 298.9 299.9 287.1 314.8 5.35 6 799 2005 8.2 0.2 57 8.0 4.2 347 15 300.0 300.9 286.9 314.6 4.86 7 700 3087 2.2 -12.8 32 15.0 -3.4 310 21 304.9 305.3 285.8 311.4 2.04 8 696 3133 2.6 -13.4 30 16.0 -3.4 310 21 305.9 306.2 286.1 312.1 1.95 9 647 3720 -0.3 -20.3 20 20.0 -6.6 308 24 309.0 309.3 286.4 312.9 1.18 10 637 3844 0.0 -20.0 21 20.0 -6.4 307 24 310.8 311.0 287.0 314.8 1.23 11 508 5610 -13.7 -26.7 33 13.0 -16.7 300 32 314.9 315.1 288.1 317.8 0.85 12 500 5730 -14.7 -27.7 32 13.0 -17.6 300 33 315.1 315.3 288.1 317.8 0.78 13 400 7380 -27.1 -35.1 47 8.0 -28.2 290 29 319.8 319.9 289.2 321.5 0.48 14 309 9172 -42.1 -48.1 52 6.0 -42.5 277 25 323.3 323.3 289.9 323.9 0.16 15 300 9370 -43.5 -50.5 46 7.0 -43.9 275 24 324.0 324.1 290.1 324.5 0.12 16 289 9622 -45.5 -53.5 40 8.0 -45.8 276 26 324.7 324.7 290.3 325.0 0.09 17 264 10223 -50.9 -58.9 38 8.0 -51.1 280 30 325.3 325.3 290.4 325.5 0.05 18 250 10580 -51.3 -61.3 29 10.0 -51.5 280 34 329.8 329.8 291.7 330.0 0.04 19 249 10606 -51.1 -61.1 29 10.0 -51.4 280 34 330.5 330.5 291.9 330.6 0.04 20 200 12020 -51.7 260 41 350.9 21 178 12780 -51.5 263 56 363.1 22 169 13118 -52.3 265 62 367.1 23 150 13890 -54.3 265 43 376.5 24 118 15413 -59.9 268 27 392.9 25 113 15684 -61.1 268 24 395.6 26 100 16440 -63.9 270 16 404.3 27 74 18272 -65.3 270 16 437.7 28 70 18610 -64.9 270 16 445.5 29 59 19660 -64.1 224 12 469.7 30 50 20680 -63.3 180 9 494.3 31 30 23850 -58.5 95 14 585.2 32 20 26420 -55.7 90 15 665.7 33 19 26748 -53.9 77 15 681.1 34 15 28272 -52.1 17 14 734.7 35 12 29731 -47.5 321 13 799.4 36 10 30940 -46.1 275 12 847.5 37 7.3 33063 -39.5 954.2 38 7.0 33352 -37.9 972.4 TRP 264 10223 -50.9 -58.9 38 8.0 -51.1 280 30 325.3 325.3 290.4 325.5 0.05 WND 169 13118 -52.3 265 62 367.1 Sounding variables and indices 1000-500 mb thick: 5627.00 m Freezing level: 652.07 mb = 3659.16 m = 12004.97 ft Freezing level: 637.00 mb = 3844.41 m = 12612.73 ft Freezing level: 637.00 mb = 3844.41 m = 12612.73 ft Wetbulb zero: 744.67 mb = 2581.08 m = 8468.02 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 43.30 % Est. max temperature: 25.01 C = 77.02 F Sfc-Lift cond lev (LCL): 845.62 mb = 1534.99 m = 5036.01 ft T: 10.53 C 700-500 lapse rate: 6.39 C/km ThetaE index: 15.76 C Layer 925.0- 696.0 mb Conv cond level (CCL): 850.15 mb = 1490.56 m = 4890.23 ft Mean mixing ratio: 9.62 g/kg Conv temperature: 25.07 C = 77.13 F Cap Strength: 1.91 C Lifted Index: -0.83 C Risk: Thunderstorms probable Lifted Index @300 mb: 0.19 C Lifted Index @700 mb: -0.16 C Showalter Index: 2.68 C Risk: Showers probable Total Totals Index: 46.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 21.10 C K Index: 16.90 Risk: < 20 % chance of thunderstorms Sweat Index: 133.80 Risk: None Energy Index: -0.02 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 120.41 J/kg Max Up Vert Vel: 15.52 m/s Conv Inhibition (B-): 8.14 J/kg Cap Strength: 1.82 C Lift Cond Lev (LCL): 858.01 mb = 1413.60 m = 4637.73 ft Lev Free Conv (LFC): 833.01 mb = 1660.15 m = 5446.62 ft Equ Level (EL): 793.01 mb = 2066.82 m = 6780.82 ft B at Equ Level: 3.25 J/kg Max Parcel Lev (MPL): 673.01 mb = 3403.17 m = 11165.12 ft Wind level data Storm motion: 342 at 15 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 25 240 7 6.1 3.5 | 184 18 1.4 17.9 1 1000 103 310 10 7.7 -6.4 | 200 9 2.9 8.0 2 925 785 350 6 1.0 -5.9 | 157 9 -3.7 8.5 3 850 1492 5 12 -1.0 -12.0 | 113 6 -5.8 2.5 4 700 3087 310 21 16.1 -13.5 | 265 11 11.4 0.9 5 500 5730 300 33 28.6 -16.5 | 275 24 23.9 -2.1 6 400 7380 290 29 27.3 -9.9 | 259 23 22.5 4.5 7 300 9370 275 24 23.9 -2.1 | 237 23 19.2 12.3 8 264 10223 280 30 29.5 -5.2 | 250 26 24.8 9.2 9 250 10580 280 34 33.5 -5.9 | 254 30 28.8 8.5 10 200 12020 260 41 40.4 7.1 | 239 42 35.7 21.5 11 169 13118 265 62 61.8 5.4 | 251 60 57.1 19.8 12 150 13890 265 43 42.8 3.7 | 245 42 38.1 18.2 13 100 16440 270 16 16.0 -0.0 | 218 18 11.3 14.4 14 70 18610 270 16 16.0 -0.0 | 218 18 11.3 14.4 15 50 20680 180 9 0.0 9.0 | 169 24 -4.7 23.4 16 30 23850 95 14 -13.9 1.2 | 130 24 -18.7 15.6 17 20 26420 90 15 -15.0 0.0 | 126 24 -19.7 14.4 18 10 30940 275 12 12.0 -1.0 | 208 15 7.2 13.4 Wind Parameters Mean winds (0-6000m): 311.9 at 20.2 knts Storm direction: 341.9 at 15.2 knts Shear (0-3000m) pos: 2.9 neg: 2.8 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 82.6 deg Storm rel helicity (0-3000m) pos: 10.0 neg: -28.2 tot: -18.2 m^2/s^2 ave: -6.1 10^-3 m/s^2 rel: -0.36 Storm rel vorticity (0-3000m) horiz: 6.9 stream: -2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 6.83 Bulk Shear: 17.62 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 ------------------------------------------------------------------------------- 500 316 9 190 8| 11.0 0.0 11.0| 10.0 -8.2 1.8 3.6 -0.05| 14.9 -0.7 1000 328 8 175 8| 6.5 0.0 6.5| 10.0 -14.9 -4.9 -4.9 -0.20| 9.5 -1.9 1500 343 9 161 7| 5.9 0.0 5.9| 10.0 -21.9 -11.9 -7.9 -0.34| 7.9 -2.7 2000 347 10 153 5| 4.4 1.3 5.7| 10.0 -23.3 -13.3 -6.7 -0.33| 7.2 -2.4 2500 343 11 159 4| 3.5 2.1 5.7| 10.0 -24.3 -14.3 -5.7 -0.37| 7.0 -2.6 3000 335 13 192 3| 2.9 2.8 5.7| 10.0 -28.2 -18.2 -6.1 -0.36| 6.9 -2.5 4000 324 15 242 5| 2.2 2.7 4.9| 15.2 -28.9 -13.6 -3.4 -0.29| 5.9 -1.7 5000 317 18 259 7| 1.8 2.7 4.5| 18.8 -28.9 -10.1 -2.0 -0.24| 5.2 -1.3 6000 312 20 265 10| 1.5 2.5 4.0| 19.5 -36.6 -17.2 -2.9 -0.24| 4.7 -1.2 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250420.12.gif