UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 28 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 1013 25 21.6 8.6 43 13.0 14.0 5 12 293.7 294.9 286.6 313.7 6.93 1 1000 136 19.2 5.2 40 14.0 11.6 45 15 292.4 293.3 284.7 308.4 5.54 2 968 419 16.8 5.8 48 11.0 10.7 41 15 292.7 293.7 285.3 309.9 5.98 3 925 811 13.4 3.4 51 10.0 8.2 35 14 293.0 294.0 284.7 308.3 5.28 4 869 1325 9.8 2.8 62 7.0 6.2 72 15 294.5 295.5 285.4 310.3 5.39 5 850 1506 9.0 3.0 66 6.0 5.9 85 15 295.6 296.6 286.0 311.9 5.59 6 768 2339 4.2 -3.8 56 8.0 0.5 93 16 299.1 299.8 285.5 310.4 3.76 7 740 2640 1.6 -4.4 64 6.0 -1.0 96 16 299.5 300.1 285.6 310.7 3.73 8 700 3086 -0.9 -8.9 55 8.0 -4.1 100 17 301.5 302.0 285.4 310.1 2.78 9 694 3155 -1.1 -12.1 43 11.0 -5.1 100 17 302.0 302.4 284.9 308.8 2.18 10 634 3867 -7.3 -14.3 57 7.0 -9.6 101 18 302.9 303.2 285.0 309.1 1.99 11 620 4040 -8.7 -17.7 48 9.0 -11.3 102 18 303.2 303.5 284.6 308.1 1.53 12 575 4619 -12.9 -27.9 27 15.0 -16.1 103 19 304.9 305.0 284.2 307.1 0.67 13 506 5581 -19.3 -41.3 12 22.0 -22.1 105 20 308.5 308.5 285.0 309.2 0.20 14 500 5670 -19.1 -43.1 10 24.0 -22.1 105 20 309.8 309.8 285.4 310.4 0.17 15 482 5942 -21.9 -42.9 13 21.0 -24.3 110 20 309.6 309.6 285.4 310.2 0.18 16 412 7080 -31.3 -46.3 21 15.0 -32.5 131 23 311.7 311.7 286.1 312.2 0.15 17 400 7290 -32.1 -45.1 26 13.0 -33.1 135 23 313.3 313.3 286.7 313.9 0.17 18 391 7449 -33.9 -47.9 23 14.0 -34.9 137 23 313.0 313.0 286.5 313.4 0.13 19 306 9119 -45.1 154 29 320.0 20 300 9250 -45.9 155 29 320.7 21 251 10424 -52.5 195 22 327.6 22 250 10450 -52.7 195 22 327.7 23 203 11785 -56.1 242 19 342.5 24 200 11880 -55.7 245 19 344.6 25 168 12987 -57.5 239 18 359.2 26 154 13541 -54.1 236 17 374.0 27 150 13710 -53.5 235 17 377.9 28 112 15589 -55.5 246 21 407.1 29 100 16310 -57.7 250 23 416.2 30 76 18025 -60.5 308 19 444.4 31 76 18025 -60.5 308 19 444.4 32 70 18540 -56.7 325 18 463.1 33 65 19010 -56.1 310 17 474.3 34 50 20670 -57.7 255 12 507.5 35 49 20798 -57.1 254 12 511.9 36 34 23118 -55.5 232 7 572.5 37 30 23920 -52.9 225 6 600.4 38 25 25097 -53.5 221 10 630.8 39 20 26540 -52.1 215 15 676.7 40 13 29356 -47.7 246 24 780.7 41 10 31110 -42.1 265 29 862.4 42 8.5 32220 -37.7 920.6 TRP 251 10424 -52.5 195 22 327.6 WND Sounding variables and indices 1000-500 mb thick: 5534.00 m Freezing level: 714.40 mb = 2925.42 m = 9597.73 ft Wetbulb zero: 758.32 mb = 2441.85 m = 8011.23 ft Precipitable water: 0.71 inches Sfc-500 mean rel hum: 46.03 % Est. max temperature: 22.81 C = 73.05 F Sfc-Lift cond lev (LCL): 835.38 mb = 1648.49 m = 5408.37 ft T: 8.18 C 700-500 lapse rate: 7.04 C/km ThetaE index: 5.29 C Layer 1000.0- 968.0 mb Conv cond level (CCL): 733.44 mb = 2711.46 m = 8895.75 ft Mean mixing ratio: 5.70 g/kg Conv temperature: 27.75 C = 81.95 F Cap Strength: 4.17 C Lifted Index: 3.67 C Risk: None Lifted Index @300 mb: 8.28 C Lifted Index @700 mb: 3.56 C Showalter Index: 1.97 C Risk: Showers probable Total Totals Index: 50.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 22.10 C K Index: 23.10 Risk: 20-40 % chance of thunderstorms Sweat Index: 110.00 Risk: None Energy Index: -0.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.77 J/kg Max Up Vert Vel: 2.35 m/s Conv Inhibition (B-): 63471.63 J/kg Cap Strength: 4.17 C Lift Cond Lev (LCL): 810.83 mb = 1893.43 m = 6211.96 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 121 at 13 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 1013 25 5 12 -1.0 -12.0 | 332 21 9.9 -18.6 1 1000 136 45 15 -10.6 -10.6 | 359 17 0.3 -17.2 2 925 811 35 14 -8.0 -11.5 | 351 18 2.9 -18.1 3 850 1506 85 15 -14.9 -1.3 | 27 9 -4.0 -7.9 4 700 3086 100 17 -16.7 3.0 | 58 7 -5.8 -3.7 5 500 5670 105 20 -19.3 5.2 | 80 9 -8.4 -1.5 6 400 7290 135 23 -16.3 16.3 | 151 11 -5.4 9.6 7 300 9250 155 29 -12.3 26.3 | 176 20 -1.4 19.7 8 251 10424 195 22 5.7 21.3 | 229 22 16.6 14.6 9 250 10450 195 22 5.7 21.3 | 229 22 16.6 14.6 10 200 11880 245 19 17.2 8.0 | 267 28 28.1 1.4 11 150 13710 235 17 13.9 9.8 | 263 25 24.8 3.1 12 100 16310 250 23 21.6 7.9 | 268 33 32.5 1.2 13 70 18540 325 18 10.3 -14.7 | 315 30 21.2 -21.4 14 50 20670 255 12 11.6 3.1 | 279 23 22.5 -3.5 15 30 23920 225 6 4.2 4.2 | 279 15 15.1 -2.4 16 20 26540 215 15 8.6 12.3 | 254 20 19.5 5.7 17 10 31110 265 29 28.9 2.5 | 276 40 39.8 -4.1 Wind Parameters Mean winds (0-6000m): 91.3 at 17.0 knts Storm direction: 121.3 at 12.8 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 84.3 deg Storm rel helicity (0-3000m) pos: 81.5 neg: -9.3 tot: 72.2 m^2/s^2 ave: 24.1 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 3.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 25.95 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 39 14 354 18| 8.3 0.0 8.3| 42.8 -5.2 37.6 75.3 0.71| 11.0 7.8 1000 39 14 354 18| 5.3 0.0 5.3| 54.6 -9.3 45.3 45.3 0.62| 7.8 4.8 1500 49 14 0 16| 6.0 0.0 6.0| 73.3 -9.3 64.0 42.7 0.62| 8.3 5.2 2000 59 15 7 14| 4.9 0.0 4.9| 76.1 -9.3 66.8 33.4 0.64| 6.6 4.2 2500 67 15 13 13| 4.2 0.0 4.2| 78.8 -9.3 69.5 27.8 0.65| 5.5 3.6 3000 73 15 18 12| 3.7 0.0 3.7| 81.5 -9.3 72.2 24.1 0.67| 4.9 3.3 4000 81 16 28 10| 2.9 0.0 2.9| 83.9 -9.3 74.6 18.7 0.68| 3.8 2.6 5000 87 16 36 9| 2.5 0.0 2.5| 86.3 -9.3 77.0 15.4 0.69| 3.2 2.2 6000 91 17 44 9| 2.3 0.0 2.3| 93.2 -9.3 83.9 14.0 0.71| 3.0 2.1 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250428.12.gif