UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042312.upa.cvt Date: 1200Z 23 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 23 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 1006 19 26.2 12.2 42 14.0 17.3 285 9 298.8 300.5 290.2 324.9 8.90 1 1000 71 25.2 13.2 47 12.0 17.5 295 11 298.4 300.1 290.6 326.3 9.57 2 983 223 23.8 10.8 44 13.0 15.8 309 11 298.4 299.9 289.6 322.7 8.29 3 925 758 20.0 9.0 49 11.0 13.4 0 12 299.8 301.2 289.6 322.8 7.81 4 856 1416 16.0 5.0 48 11.0 9.7 5 11 302.3 303.5 289.2 321.5 6.40 5 853 1445 15.6 3.6 45 12.0 9.0 5 11 302.2 303.3 288.6 319.6 5.81 6 850 1475 15.4 3.4 45 12.0 8.8 5 11 302.3 303.3 288.6 319.6 5.75 7 700 3083 2.0 -5.0 60 7.0 -1.2 280 13 304.7 305.4 287.5 316.3 3.76 8 661 3544 -0.9 -8.9 55 8.0 -4.2 277 14 306.5 307.0 287.3 315.7 2.95 9 557 4885 -11.7 -16.7 66 5.0 -13.3 266 16 309.1 309.4 287.1 315.1 1.86 10 555 4912 -11.3 -17.3 61 6.0 -13.2 266 16 309.9 310.2 287.3 315.6 1.77 11 553 4940 -10.9 -17.9 56 7.0 -13.0 266 16 310.7 311.0 287.5 316.2 1.69 12 536 5180 -11.3 -25.3 30 14.0 -14.8 264 16 313.0 313.2 287.5 316.1 0.91 13 534 5209 -11.7 -25.7 30 14.0 -15.1 264 16 312.8 313.0 287.3 315.8 0.88 14 522 5383 -13.3 -25.3 36 12.0 -16.2 263 16 312.9 313.1 287.5 316.1 0.94 15 500 5710 -15.5 -32.5 22 17.0 -18.7 260 17 314.1 314.2 287.4 315.9 0.50 16 423 6948 -25.1 -45.1 14 20.0 -27.2 256 25 317.3 317.3 288.1 317.9 0.16 17 421 6983 -26.3 -45.3 15 19.0 -28.2 256 25 316.1 316.2 287.6 316.7 0.16 18 400 7350 -29.7 -47.7 16 18.0 -31.2 255 28 316.4 316.4 287.7 316.9 0.13 19 383 7659 -31.9 -42.9 33 11.0 -32.9 256 29 317.4 317.5 288.2 318.3 0.23 20 360 8095 -35.7 -39.7 67 4.0 -36.1 257 30 318.0 318.1 288.5 319.3 0.34 21 352 8252 -36.9 -40.9 66 4.0 -37.2 257 30 318.5 318.5 288.6 319.6 0.30 22 300 9340 -46.1 -51.0 57 4.9 -46.3 260 33 320.4 320.4 289.0 320.8 0.12 23 279 9817 -50.7 -55.7 55 5.0 -50.8 250 38 320.5 320.5 289.0 320.8 0.07 24 268 10079 -50.5 -58.5 38 8.0 -50.7 250 40 324.5 324.5 290.2 324.7 0.05 25 266 10127 -50.7 -59.7 34 9.0 -50.9 250 40 324.9 324.9 290.3 325.1 0.05 26 250 10530 -51.9 250 43 328.9 27 222 11301 -51.3 253 52 341.2 28 200 11980 -50.3 255 60 353.1 29 194 12180 -50.2 260 64 356.3 30 166 13203 -49.9 257 63 373.1 31 156 13612 -48.9 256 62 381.5 32 150 13870 -49.5 255 62 384.8 33 132 14697 -53.7 258 55 391.6 34 100 16450 -60.3 265 39 411.2 35 99 16513 -60.3 265 38 412.4 36 84 17534 -62.5 260 28 427.8 37 70 18660 -62.7 255 17 450.2 38 59 19715 -60.9 258 15 476.9 39 50 20740 -61.3 260 13 499.0 40 42 21832 -59.1 238 11 530.0 41 30 23970 -54.7 195 6 595.5 42 23 25688 -50.9 267 10 653.7 43 20 26600 -50.5 305 12 681.6 44 15 28483 -49.5 299 29 743.4 45 12 29952 -47.9 294 41 798.0 46 10 31170 -42.5 290 52 860.9 47 7.5 33139 -36.5 959.0 TRP 279 9817 -50.7 -55.7 55 5.0 -50.8 250 38 320.5 320.5 289.0 320.8 0.07 WND 194 12180 -50.2 260 64 356.3 Sounding variables and indices 1000-500 mb thick: 5639.00 m Freezing level: 673.10 mb = 3400.75 m = 11157.17 ft Wetbulb zero: 717.35 mb = 2880.23 m = 9449.47 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 50.94 % Est. max temperature: 29.67 C = 85.40 F Sfc-Lift cond lev (LCL): 819.24 mb = 1780.27 m = 5840.72 ft T: 12.86 C 700-500 lapse rate: 6.66 C/km ThetaE index: 7.69 C Layer 856.0- 555.0 mb Conv cond level (CCL): 747.61 mb = 2538.06 m = 8326.88 ft Mean mixing ratio: 8.18 g/kg Conv temperature: 31.32 C = 88.38 F Cap Strength: 3.71 C Lifted Index: -0.81 C Risk: Thunderstorms probable Lifted Index @300 mb: -1.35 C Lifted Index @700 mb: 0.28 C Showalter Index: 1.12 C Risk: Showers probable Total Totals Index: 49.80 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.90 C Cross Totals Index: 18.90 C K Index: 27.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 95.80 Risk: None Energy Index: -0.69 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 379.30 J/kg Max Up Vert Vel: 27.54 m/s Conv Inhibition (B-): 181.17 J/kg Cap Strength: 3.71 C Lift Cond Lev (LCL): 800.51 mb = 1971.80 m = 6469.10 ft Lev Free Conv (LFC): 655.51 mb = 3609.06 m = 11840.59 ft Equ Level (EL): 265.51 mb = 10139.42 m = 33265.42 ft B at Equ Level: 363.50 J/kg Max Parcel Lev (MPL): 215.51 mb = 11493.69 m = 37708.48 ft Wind level data Storm motion: 320 at 10 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 1006 19 285 9 8.7 -2.3 | 202 6 2.2 5.5 1 1000 71 295 11 10.0 -4.6 | 228 5 3.5 3.2 2 925 758 0 12 -0.0 -12.0 | 57 8 -6.5 -4.2 3 850 1475 5 11 -1.0 -11.0 | 67 8 -7.4 -3.1 4 700 3083 280 13 12.8 -2.3 | 229 8 6.3 5.6 5 500 5710 260 17 16.7 3.0 | 224 15 10.3 10.8 6 400 7350 255 28 27.0 7.2 | 234 26 20.6 15.1 7 300 9340 260 33 32.5 5.7 | 242 29 26.0 13.6 8 279 9817 250 38 35.7 13.0 | 235 36 29.2 20.8 9 250 10530 250 43 40.4 14.7 | 236 41 33.9 22.5 10 200 11980 255 60 58.0 15.5 | 246 57 51.5 23.4 11 194 12180 260 64 63.0 11.1 | 251 60 56.5 18.9 12 150 13870 255 62 59.9 16.0 | 246 59 53.4 23.9 13 100 16450 265 39 38.9 3.4 | 251 34 32.4 11.2 14 70 18660 255 17 16.4 4.4 | 219 16 9.9 12.2 15 50 20740 260 13 12.8 2.3 | 212 12 6.3 10.1 16 30 23970 195 6 1.6 5.8 | 160 14 -4.9 13.6 17 20 26600 305 12 9.8 -6.9 | 254 3 3.4 1.0 18 10 31170 290 52 48.9 -17.8 | 283 44 42.4 -10.0 Wind Parameters Mean winds (0-6000m): 290.4 at 13.6 knts Storm direction: 320.4 at 10.2 knts Shear (0-3000m) pos: 2.2 neg: 2.6 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 29.6 deg Storm rel helicity (0-3000m) pos: 11.6 neg: -12.0 tot: -0.4 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.01 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 91.20 Bulk Shear: 4.16 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 ------------------------------------------------------------------------------- 500 314 11 269 2| 9.7 0.0 9.7| 5.9 0.0 5.9 11.8 0.75| 11.5 8.6 1000 337 12 35 3| 6.7 0.0 6.7| 10.1 0.0 10.1 10.1 0.67| 8.4 5.7 1500 347 11 49 5| 4.3 0.0 4.3| 11.6 -0.3 11.3 7.6 0.66| 6.0 4.0 2000 347 11 50 5| 3.3 1.3 4.6| 11.6 -4.6 7.0 3.5 0.38| 5.9 2.2 2500 342 12 43 4| 2.6 2.2 4.8| 11.6 -7.5 4.1 1.7 0.13| 5.8 0.8 3000 333 12 25 3| 2.2 2.6 4.8| 11.6 -12.0 -0.4 -0.1 0.01| 5.9 0.1 4000 316 12 293 2| 1.6 2.3 4.0| 11.7 -13.2 -1.5 -0.4 -0.00| 4.8 -0.0 5000 302 13 256 5| 1.3 2.1 3.4| 11.7 -14.7 -3.1 -0.6 -0.01| 4.1 -0.1 6000 290 14 243 7| 1.1 2.1 3.2| 15.4 -16.6 -1.3 -0.2 -0.00| 3.7 -0.0 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250423.12.gif