UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:0000Z 18 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 1014 19 17.4 9.4 59 8.0 12.8 105 7 289.4 290.7 285.4 310.1 7.31 1 1000 138 19.6 10.6 56 9.0 14.2 105 6 292.8 294.2 287.3 315.8 8.04 2 966 433 20.6 7.6 43 13.0 13.0 116 5 296.7 297.9 287.6 316.5 6.79 3 949 585 21.6 8.6 43 13.0 13.8 122 4 299.2 300.5 289.0 321.0 7.40 4 925 804 21.4 5.4 35 16.0 12.2 130 3 301.2 302.3 288.5 319.4 6.08 5 872 1322 19.4 5.4 40 14.0 11.3 214 5 304.2 305.4 289.9 323.7 6.46 6 850 1545 18.4 1.4 32 17.0 9.2 250 6 305.4 306.3 288.9 320.7 4.98 7 821 1841 16.2 1.2 36 15.0 8.1 247 6 306.1 307.1 289.3 321.7 5.08 8 734 2781 8.0 -5.0 39 13.0 1.9 239 8 307.1 307.8 288.2 318.3 3.59 9 700 3171 5.4 -9.6 33 15.0 -0.9 235 8 308.5 309.0 287.7 316.8 2.63 10 655 3711 3.2 -19.8 17 23.0 -4.5 244 9 311.9 312.1 287.4 315.9 1.21 11 652 3748 3.2 -20.8 15 24.0 -4.7 245 9 312.3 312.5 287.5 316.1 1.12 12 500 5830 -13.9 -27.9 30 14.0 -17.1 280 11 316.1 316.2 288.3 318.8 0.77 13 498 5861 -13.9 -27.9 30 14.0 -17.1 279 11 316.5 316.6 288.5 319.1 0.77 14 401 7472 -26.1 -39.1 28 13.0 -27.8 236 14 320.8 320.9 289.3 322.0 0.32 15 400 7490 -26.5 -39.5 28 13.0 -28.1 235 14 320.5 320.6 289.3 321.7 0.31 16 300 9500 -43.3 -50.3 46 7.0 -43.6 255 21 324.3 324.4 290.2 324.8 0.13 17 250 10700 -54.3 -60.3 48 6.0 -54.4 260 34 325.3 325.3 290.4 325.5 0.05 18 248 10751 -54.5 -61.5 42 7.0 -54.6 259 33 325.8 325.8 290.6 325.9 0.04 19 210 11799 -62.1 245 23 329.8 20 205 11948 -62.3 245 29 331.8 21 200 12100 -62.5 245 35 333.8 22 164 13339 -57.9 231 32 361.0 23 150 13900 -59.1 225 31 368.3 24 144 14158 -57.7 221 29 375.0 25 121 15257 -58.5 206 22 392.7 26 100 16450 -61.7 190 14 408.5 27 92 16964 -62.1 182 13 417.6 28 70 18650 -61.5 155 9 452.8 29 69 18739 -61.7 156 9 454.3 30 55 20141 -61.5 166 9 485.1 31 50 20730 -62.3 170 9 496.7 32 43 21662 -61.5 191 8 520.5 33 30 23900 -59.7 240 6 581.9 34 20 26450 -56.3 85 22 663.8 35 19 26778 -55.9 74 21 674.9 36 16 27893 -50.3 35 20 727.2 37 11 30377 -45.3 311 16 827.6 38 10 31020 -41.9 290 15 863.1 39 7.8 32716 -38.3 941.1 40 5.9 34651 -34.7 1035.0 41 5.1 35679 -29.9 -63.9 2 34.0 -49.3 1100.7 1101.7 332.9 1120.0 1.39 TRP 210 11799 -62.1 245 23 329.8 WND Sounding variables and indices 1000-500 mb thick: 5692.00 m Freezing level: 623.56 mb = 4137.68 m = 13574.90 ft Wetbulb zero: 711.09 mb = 3041.65 m = 9979.04 ft Precipitable water: 0.88 inches Sfc-500 mean rel hum: 31.41 % Est. max temperature: 32.73 C = 90.91 F Sfc-Lift cond lev (LCL): 899.81 mb = 1046.39 m = 3432.98 ft T: 20.46 C 700-500 lapse rate: 7.26 C/km ThetaE index: 5.78 C Layer 734.0- 652.0 mb Conv cond level (CCL): 643.69 mb = 3848.72 m = 12626.89 ft Mean mixing ratio: 7.08 g/kg Conv temperature: 40.61 C = 105.10 F Cap Strength: 8.89 C Lifted Index: 3.83 C Risk: None Lifted Index @300 mb: 5.20 C Lifted Index @700 mb: 5.97 C Showalter Index: 2.13 C Risk: Showers probable Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 32.30 C Cross Totals Index: 15.30 C K Index: 18.70 Risk: < 20 % chance of thunderstorms Sweat Index: 39.80 Risk: None Energy Index: -0.28 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 45.00 J/kg Max Up Vert Vel: 9.49 m/s Conv Inhibition (B-): 58131.77 J/kg Cap Strength: 8.89 C Lift Cond Lev (LCL): 800.85 mb = 2049.85 m = 6725.13 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 281 at 6 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 1014 19 105 7 -6.8 1.8 | 103 13 -12.4 2.9 1 1000 138 105 6 -5.8 1.6 | 103 12 -11.5 2.7 2 925 804 130 3 -2.3 1.9 | 111 9 -8.0 3.1 3 850 1545 250 6 5.6 2.1 | 179 3 -0.0 3.2 4 700 3171 235 8 6.6 4.6 | 189 6 0.9 5.7 5 500 5830 280 11 10.8 -1.9 | 279 5 5.2 -0.8 6 400 7490 235 14 11.5 8.0 | 212 11 5.8 9.2 7 300 9500 255 21 20.3 5.4 | 246 16 14.6 6.6 8 250 10700 260 34 33.5 5.9 | 256 29 27.8 7.0 9 210 11799 245 23 20.8 9.7 | 234 19 15.2 10.9 10 200 12100 245 35 31.7 14.8 | 239 31 26.0 15.9 11 150 13900 225 31 21.9 21.9 | 215 28 16.2 23.1 12 100 16450 190 14 2.4 13.8 | 168 15 -3.2 14.9 13 70 18650 155 9 -3.8 8.2 | 134 13 -9.5 9.3 14 50 20730 170 9 -1.6 8.9 | 144 12 -7.2 10.0 15 30 23900 240 6 5.2 3.0 | 173 4 -0.5 4.1 16 20 26450 85 22 -21.9 -1.9 | 88 28 -27.6 -0.8 17 10 31020 290 15 14.1 -5.1 | 295 9 8.4 -4.0 Wind Parameters Mean winds (0-6000m): 251.3 at 7.7 knts Storm direction: 281.3 at 5.8 knts Shear (0-3000m) pos: 2.1 neg: 0.4 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 85.3 deg Storm rel helicity (0-3000m) pos: 18.7 neg: -0.1 tot: 18.7 m^2/s^2 ave: 6.2 10^-3 m/s^2 rel: 0.59 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 2.18 Bulk Shear: 20.64 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 ------------------------------------------------------------------------------- 500 109 5 105 11| 3.1 0.0 3.1| 3.2 -0.1 3.1 6.2 0.34| 3.2 1.1 1000 117 5 108 10| 3.1 0.0 3.1| 9.0 -0.1 8.9 8.9 0.54| 3.5 1.9 1500 140 5 119 10| 4.2 0.0 4.2| 17.9 -0.1 17.8 11.8 0.64| 4.8 3.0 2000 186 5 140 8| 3.1 0.2 3.3| 18.4 -0.1 18.3 9.2 0.63| 3.8 2.4 2500 212 5 154 6| 2.5 0.3 2.8| 18.6 -0.1 18.5 7.4 0.61| 3.2 2.0 3000 222 6 162 6| 2.1 0.4 2.5| 18.7 -0.1 18.7 6.2 0.59| 2.9 1.7 4000 231 6 172 5| 1.8 0.3 2.1| 21.9 -0.1 21.8 5.5 0.63| 2.5 1.5 5000 241 7 186 5| 1.6 0.2 1.9| 25.8 -0.1 25.7 5.1 0.68| 2.3 1.5 6000 251 8 204 4| 1.5 0.2 1.7| 29.1 -1.4 27.7 4.6 0.64| 2.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250418.00.gif