UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042300.upa.cvt Date: 0000Z 23 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 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 1009 20 15.0 10.5 74 4.5 12.4 160 4 287.4 288.8 285.2 309.6 7.92 1 1000 96 15.8 8.8 63 7.0 11.8 295 5 289.0 290.2 284.9 309.1 7.12 2 974 319 15.4 8.4 63 7.0 11.4 261 6 290.7 292.0 285.7 311.0 7.11 3 925 757 15.6 9.6 67 6.0 12.0 195 9 295.3 296.7 288.3 318.8 8.13 4 874 1242 15.6 6.6 55 9.0 10.4 249 12 300.1 301.4 289.0 320.8 7.01 5 850 1479 13.8 4.8 55 9.0 8.8 275 13 300.6 301.8 288.6 319.5 6.35 6 843 1549 14.2 0.2 38 14.0 7.0 276 13 301.7 302.6 287.3 315.6 4.60 7 778 2220 9.0 -3.0 43 12.0 3.2 282 12 303.2 303.9 287.2 315.2 3.94 8 763 2381 7.0 -3.0 49 10.0 2.2 283 11 302.7 303.4 287.1 314.9 4.02 9 737 2665 5.4 -5.6 45 11.0 0.4 286 11 304.0 304.6 286.9 314.5 3.41 10 700 3083 1.2 -3.8 69 5.0 -1.1 290 10 303.8 304.6 287.6 316.4 4.12 11 572 4671 -11.7 -12.2 96 0.5 -11.9 269 14 306.7 307.2 287.1 315.0 2.62 12 552 4943 -13.1 -14.5 89 1.4 -13.6 265 14 308.2 308.6 287.2 315.4 2.25 13 504 5630 -18.3 -18.7 97 0.4 -18.4 256 16 310.0 310.3 287.3 315.7 1.73 14 500 5690 -18.5 -19.2 94 0.7 -18.7 255 16 310.5 310.8 287.4 316.0 1.67 15 463 6260 -22.3 -26.1 71 3.8 -23.1 257 16 312.6 312.8 287.4 316.0 0.98 16 400 7320 -29.7 -41.7 30 12.0 -30.9 260 16 316.4 316.4 287.9 317.3 0.25 17 396 7392 -30.5 -42.5 30 12.0 -31.7 260 16 316.3 316.3 287.8 317.1 0.23 18 379 7703 -32.1 -45.1 26 13.0 -33.2 261 17 318.1 318.2 288.3 318.8 0.18 19 300 9300 -47.9 -55.9 39 8.0 -48.1 265 24 317.8 317.9 288.1 318.1 0.07 20 285 9636 -50.5 -56.5 49 6.0 -50.7 260 34 318.8 318.8 288.4 319.1 0.06 21 275 9868 -50.7 -57.7 43 7.0 -50.9 263 39 321.8 321.8 289.3 322.0 0.06 22 264 10134 -49.5 -58.5 34 9.0 -49.8 266 46 327.3 327.3 291.0 327.6 0.05 23 250 10490 -50.1 -63.1 20 13.0 -50.4 270 54 331.6 331.6 292.2 331.7 0.03 24 214 11508 -50.7 273 51 345.7 25 200 11950 -50.5 275 49 352.8 26 170 13009 -51.1 278 56 368.6 27 153 13692 -52.4 280 60 377.6 28 150 13820 -52.7 280 59 379.3 29 149 13863 -52.9 280 59 379.7 30 100 16400 -60.5 265 42 410.8 31 96 16655 -58.9 263 40 418.8 32 76 18111 -61.7 250 29 441.9 33 70 18620 -61.9 245 25 452.0 34 56 20005 -61.1 298 16 483.6 35 50 20710 -60.5 325 11 500.9 36 40 22103 -59.1 347 11 537.4 37 31 23712 -56.1 12 10 586.2 38 30 23920 -56.3 15 10 591.2 39 24 25348 -53.5 317 13 638.2 40 23 25622 -52.5 306 14 649.0 41 20 26530 -50.7 270 16 681.0 42 19 26865 -50.1 692.9 TRP 285 9636 -50.5 -56.5 49 6.0 -50.7 260 34 318.8 318.8 288.4 319.1 0.06 WND 153 13692 -52.4 280 60 377.6 Sounding variables and indices 1000-500 mb thick: 5594.00 m Freezing level: 688.09 mb = 3230.71 m = 10599.31 ft Wetbulb zero: 726.56 mb = 2780.73 m = 9123.02 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 69.70 % Est. max temperature: 28.03 C = 82.45 F Sfc-Lift cond lev (LCL): 943.21 mb = 591.71 m = 1941.28 ft T: 15.52 C 700-500 lapse rate: 7.56 C/km ThetaE index: 6.35 C Layer 850.0- 700.0 mb Conv cond level (CCL): 734.54 mb = 2692.01 m = 8831.96 ft Mean mixing ratio: 7.54 g/kg Conv temperature: 31.58 C = 88.85 F Cap Strength: 7.91 C Lifted Index: 1.40 C Risk: Showers probable Lifted Index @300 mb: 3.12 C Lifted Index @700 mb: 3.47 C Showalter Index: -1.82 C Risk: Thunderstorms probable Total Totals Index: 55.60 C Risk: Severe Thunderstorms probable Vertical Totals Index: 32.30 C Cross Totals Index: 23.30 C K Index: 32.10 Risk: 60-80 % chance of thunderstorms Sweat Index: 231.60 Risk: None Energy Index: -0.73 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.09 J/kg Max Up Vert Vel: 7.63 m/s Conv Inhibition (B-): 36688.90 J/kg Cap Strength: 7.81 C Lift Cond Lev (LCL): 868.27 mb = 1297.82 m = 4257.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 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 1009 20 160 4 -1.4 3.8 | 130 12 -9.3 7.8 1 1000 96 295 5 4.5 -2.1 | 119 4 -3.4 1.9 2 925 757 195 9 2.3 8.7 | 156 14 -5.6 12.7 3 850 1479 275 13 13.0 -1.1 | 240 6 5.0 2.9 4 700 3083 290 10 9.4 -3.4 | 248 2 1.5 0.6 5 500 5690 255 16 15.5 4.1 | 223 11 7.6 8.2 6 400 7320 260 16 15.8 2.8 | 229 10 7.9 6.8 7 300 9300 265 24 23.9 2.1 | 249 17 16.0 6.1 8 285 9636 260 34 33.5 5.9 | 249 27 25.6 9.9 9 250 10490 270 54 54.0 -0.0 | 265 46 46.1 4.0 10 200 11950 275 49 48.8 -4.3 | 270 41 40.9 -0.3 11 153 13692 280 60 59.1 -10.4 | 277 52 51.2 -6.4 12 150 13820 280 59 58.1 -10.2 | 277 51 50.2 -6.2 13 100 16400 265 42 41.8 3.7 | 257 35 33.9 7.7 14 70 18620 245 25 22.7 10.6 | 225 21 14.8 14.6 15 50 20710 325 11 6.3 -9.0 | 18 5 -1.6 -5.0 16 30 23920 15 10 -2.6 -9.7 | 62 12 -10.5 -5.6 17 20 26530 270 16 16.0 -0.0 | 244 9 8.1 4.0 Wind Parameters Mean winds (0-6000m): 266.9 at 11.8 knts Storm direction: 296.9 at 8.9 knts Shear (0-3000m) pos: 2.3 neg: 0.5 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 118.5 deg Storm rel helicity (0-3000m) pos: 38.2 neg: -6.2 tot: 31.9 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.97 Bulk Shear: 4.87 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 ------------------------------------------------------------------------------- 500 255 6 159 6| 7.5 0.0 7.5| 3.9 -1.2 2.6 5.3 0.16| 15.9 2.6 1000 220 8 163 10| 3.8 1.6 5.3| 17.4 -6.2 11.1 11.1 0.20| 12.6 2.5 1500 240 9 179 9| 5.1 1.1 6.2| 37.5 -6.2 31.3 20.9 0.40| 12.1 4.8 2000 254 10 193 7| 3.7 0.8 4.5| 37.9 -6.2 31.7 15.8 0.39| 9.5 3.7 2500 262 10 202 6| 2.9 0.6 3.5| 38.1 -6.2 31.9 12.8 0.38| 7.8 3.0 3000 267 10 207 5| 2.3 0.5 2.9| 38.2 -6.2 31.9 10.6 0.37| 6.7 2.5 4000 272 10 214 4| 1.8 0.8 2.5| 38.2 -6.7 31.5 7.9 0.33| 5.5 1.8 5000 271 11 219 5| 1.4 1.0 2.4| 38.2 -8.8 29.4 5.9 0.28| 4.8 1.3 6000 267 12 220 6| 1.2 1.1 2.2| 38.8 -11.7 27.1 4.5 0.24| 4.2 1.0 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250423.00.gif