UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 30 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 24 14.4 5.4 55 9.0 9.6 50 10 286.8 287.8 282.4 302.5 5.57 1 1000 99 13.6 3.6 51 10.0 8.5 50 12 286.8 287.6 281.7 300.8 4.95 2 929 721 10.6 4.6 66 6.0 7.5 12 8 289.8 290.8 283.8 306.1 5.72 3 925 757 11.8 5.8 67 6.0 8.5 10 8 291.4 292.5 285.1 309.3 6.26 4 899 995 11.8 5.8 67 6.0 8.5 34 10 293.8 294.9 286.2 312.4 6.44 5 857 1392 10.2 3.2 62 7.0 6.5 73 13 296.1 297.1 286.2 312.6 5.62 6 850 1460 10.2 4.2 66 6.0 6.9 80 13 296.8 297.9 287.0 314.7 6.09 7 700 3043 -1.9 -3.8 87 1.9 -2.7 70 29 300.4 301.1 286.4 312.8 4.12 8 618 4025 -7.9 -10.4 82 2.5 -8.8 74 25 304.4 304.9 286.4 313.1 2.80 9 613 4088 -8.1 -11.1 79 3.0 -9.2 74 25 304.9 305.4 286.5 313.2 2.67 10 500 5640 -19.3 -22.8 74 3.5 -20.1 80 19 309.5 309.7 286.6 313.6 1.22 11 441 6557 -26.7 -31.6 63 4.9 -27.5 94 22 311.5 311.6 286.6 313.6 0.62 12 400 7250 -32.7 -38.7 55 6.0 -33.3 105 25 312.5 312.6 286.6 313.7 0.34 13 379 7628 -35.9 -40.2 65 4.3 -36.3 108 22 313.1 313.2 286.8 314.2 0.30 14 300 9210 -49.5 -54.5 56 5.0 -49.7 120 11 315.6 315.6 287.4 315.9 0.08 15 290 9433 -49.3 -55.3 49 6.0 -49.5 115 12 318.9 319.0 288.5 319.2 0.07 16 279 9688 -50.1 -58.1 38 8.0 -50.3 109 13 321.3 321.3 289.2 321.5 0.05 17 272 9854 -51.5 -60.5 33 9.0 -51.7 105 14 321.6 321.7 289.3 321.8 0.04 18 250 10400 -54.5 140 11 325.0 19 232 10879 -54.5 177 11 332.1 20 200 11830 -54.3 250 10 346.8 21 154 13501 -53.1 245 22 375.7 22 150 13670 -53.5 245 23 377.9 23 108 15779 -55.5 245 21 411.3 24 100 16270 -56.5 245 21 418.6 25 70 18520 -57.9 235 19 460.5 26 69 18611 -57.9 234 19 462.4 27 58 19707 -58.1 218 14 485.5 28 50 20640 -59.5 205 10 503.3 29 46 21163 -58.7 222 10 517.3 30 30 23870 -55.7 310 8 592.8 31 26 24783 -53.1 271 9 624.9 32 20 26460 -55.3 200 11 666.9 33 17 27501 -53.5 704.4 34 14 28753 -52.5 748.0 35 14 28753 -52.3 748.7 TRP 272 9854 -51.5 -60.5 33 9.0 -51.7 105 14 321.6 321.7 289.3 321.8 0.04 WND Sounding variables and indices 1000-500 mb thick: 5541.00 m Freezing level: 723.55 mb = 2794.43 m = 9167.96 ft Wetbulb zero: 742.42 mb = 2563.30 m = 8409.68 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 74.31 % Est. max temperature: 23.63 C = 74.53 F Sfc-Lift cond lev (LCL): 881.06 mb = 1161.99 m = 3812.27 ft T: 11.13 C 700-500 lapse rate: 6.70 C/km ThetaE index: 1.87 C Layer 700.0- 618.0 mb Conv cond level (CCL): 729.66 mb = 2704.62 m = 8873.32 ft Mean mixing ratio: 5.52 g/kg Conv temperature: 27.29 C = 81.11 F Cap Strength: 7.48 C Lifted Index: 6.52 C Risk: None Lifted Index @300 mb: 7.90 C Lifted Index @700 mb: 4.99 C Showalter Index: 0.13 C Risk: Thunderstorms probable Total Totals Index: 53.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.50 C Cross Totals Index: 23.50 C K Index: 31.80 Risk: 60-80 % chance of thunderstorms Sweat Index: 175.40 Risk: None Energy Index: -0.25 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.60 J/kg Max Up Vert Vel: 6.10 m/s Conv Inhibition (B-): 45928.54 J/kg Cap Strength: 7.36 C Lift Cond Lev (LCL): 852.80 mb = 1432.76 m = 4700.60 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 101 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 24 50 10 -7.7 -6.4 | 324 12 6.9 -9.3 1 1000 99 50 12 -9.2 -7.7 | 333 12 5.4 -10.6 2 925 757 10 8 -1.4 -7.9 | 309 17 13.2 -10.8 3 850 1460 80 13 -12.8 -2.3 | 341 5 1.8 -5.2 4 700 3043 70 29 -27.3 -9.9 | 45 18 -12.7 -12.8 5 500 5640 80 19 -18.7 -3.3 | 34 7 -4.1 -6.2 6 400 7250 105 25 -24.1 6.5 | 110 10 -9.6 3.6 7 300 9210 120 11 -9.5 5.5 | 243 6 5.0 2.6 8 272 9854 105 14 -13.5 3.6 | 236 1 1.1 0.7 9 250 10400 140 11 -7.1 8.4 | 234 9 7.5 5.5 10 200 11830 250 10 9.4 3.4 | 269 24 24.0 0.5 11 150 13670 245 23 20.8 9.7 | 259 36 35.4 6.8 12 100 16270 245 21 19.0 8.9 | 260 34 33.6 6.0 13 70 18520 235 19 15.6 10.9 | 255 31 30.1 8.0 14 50 20640 205 10 4.2 9.1 | 252 20 18.8 6.1 15 30 23870 310 8 6.1 -5.1 | 291 22 20.7 -8.1 16 20 26460 200 11 3.8 10.3 | 248 20 18.3 7.4 Wind Parameters Mean winds (0-6000m): 71.3 at 19.8 knts Storm direction: 101.3 at 14.9 knts Shear (0-3000m) pos: 1.9 neg: 2.3 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 81.1 deg Storm rel helicity (0-3000m) pos: 46.8 neg: -21.9 tot: 24.9 m^2/s^2 ave: 8.3 10^-3 m/s^2 rel: 0.29 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.99 Bulk Shear: 18.84 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 40 11 326 13| 0.0 4.5 4.5| 5.6 -13.7 -8.1 -16.3 -0.27| 7.2 -2.0 1000 33 10 320 14| 1.1 2.3 3.3| 17.8 -21.9 -4.2 -4.2 -0.06| 6.9 -0.4 1500 47 10 325 12| 3.9 1.5 5.4| 28.5 -21.9 6.6 4.4 0.15| 7.9 1.1 2000 58 12 334 10| 2.9 1.1 4.0| 35.8 -21.9 13.8 6.9 0.27| 7.2 2.0 2500 63 14 346 9| 2.3 1.8 4.1| 42.1 -21.9 20.2 8.1 0.30| 6.9 2.1 3000 65 16 359 10| 1.9 2.3 4.3| 46.8 -21.9 24.9 8.3 0.29| 6.6 1.9 4000 68 19 15 10| 1.4 1.8 3.2| 47.0 -22.6 24.4 6.1 0.26| 5.5 1.4 5000 70 20 22 11| 1.2 1.4 2.6| 47.0 -25.0 22.0 4.4 0.22| 4.8 1.1 6000 71 20 24 10| 1.3 1.2 2.4| 51.8 -27.1 24.7 4.1 0.23| 4.4 1.0 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250430.00.gif