UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 22 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 1010 19 22.4 12.4 53 10.0 16.1 275 7 294.7 296.3 288.9 320.6 8.98 1 1000 105 21.6 14.6 64 7.0 17.1 275 9 294.8 296.6 290.2 324.9 10.50 2 925 783 18.0 12.0 68 6.0 14.3 145 4 297.7 299.4 290.5 325.6 9.56 3 923 801 17.4 10.4 63 7.0 13.1 146 4 297.3 298.8 289.5 322.4 8.61 4 850 1498 12.2 7.2 71 5.0 9.3 180 11 298.9 300.3 289.0 321.0 7.51 5 843 1567 12.2 4.2 58 8.0 7.8 181 11 299.6 300.8 288.1 317.9 6.14 6 840 1597 12.8 1.8 47 11.0 7.0 182 11 300.6 301.5 287.5 316.1 5.19 7 801 1995 11.2 -10.8 20 22.0 2.1 189 12 303.0 303.4 285.1 309.6 2.09 8 734 2719 6.4 -10.6 28 17.0 -0.5 203 13 305.4 305.8 286.3 312.7 2.32 9 700 3106 3.8 -8.2 41 12.0 -1.3 210 14 306.7 307.2 287.4 315.9 2.94 10 698 3129 3.8 -8.2 41 12.0 -1.3 210 14 306.9 307.5 287.5 316.2 2.95 11 633 3914 -3.9 -9.9 63 6.0 -6.2 209 13 306.9 307.4 287.3 315.8 2.85 12 627 3989 -4.3 -13.3 49 9.0 -7.5 208 13 307.2 307.7 286.8 314.2 2.19 13 549 5022 -12.5 -20.5 51 8.0 -14.7 206 13 309.4 309.7 286.7 313.9 1.36 14 500 5730 -18.3 -23.0 67 4.7 -19.4 205 12 310.7 311.0 287.0 314.7 1.20 15 489 5896 -18.9 -25.9 54 7.0 -20.4 207 14 312.0 312.2 287.1 315.2 0.95 16 464 6284 -21.9 -37.9 22 16.0 -24.1 212 19 313.0 313.0 286.8 314.1 0.31 17 446 6574 -24.3 -33.3 43 9.0 -25.7 215 23 313.5 313.6 287.2 315.3 0.52 18 440 6673 -24.3 -30.3 58 6.0 -25.4 216 25 314.7 314.8 287.8 317.1 0.70 19 416 7079 -27.5 -34.5 51 7.0 -28.5 221 30 315.7 315.8 287.9 317.4 0.49 20 400 7360 -29.7 -38.7 41 9.0 -30.7 225 34 316.4 316.5 287.9 317.6 0.34 21 300 9340 -47.1 -57.1 31 10.0 -47.4 200 55 319.0 319.0 288.5 319.2 0.06 22 262 10220 -54.1 -61.1 42 7.0 -54.2 220 55 321.3 321.3 289.2 321.5 0.04 23 251 10494 -54.3 -63.3 32 9.0 -54.5 229 49 325.0 325.0 290.3 325.1 0.03 24 250 10520 -53.9 -62.9 32 9.0 -54.1 230 48 325.9 325.9 290.6 326.1 0.03 25 235 10920 -51.1 238 45 336.0 26 200 11970 -50.9 260 36 352.2 27 198 12035 -51.3 260 36 352.5 28 150 13840 -51.9 250 42 380.6 29 132 14664 -54.9 252 38 389.5 30 100 16430 -57.3 255 28 417.0 31 70 18670 -60.9 200 8 454.1 32 61 19529 -60.3 216 10 473.7 33 50 20770 -60.7 240 14 500.4 34 45 21430 -57.9 217 13 522.5 35 30 24010 -54.1 130 11 597.2 36 24 25455 -51.7 191 15 643.5 37 20 26650 -48.5 240 19 687.7 38 19 26988 -48.7 243 21 697.3 39 15 28553 -46.5 255 29 753.3 40 10 31280 -41.1 275 42 866.1 41 8.8 32155 -37.7 911.5 42 8.1 32728 -37.1 935.8 TRP 262 10220 -54.1 -61.1 42 7.0 -54.2 220 55 321.3 321.3 289.2 321.5 0.04 WND Sounding variables and indices 1000-500 mb thick: 5625.00 m Freezing level: 665.92 mb = 3516.42 m = 11536.67 ft Wetbulb zero: 746.90 mb = 2574.32 m = 8445.82 ft Precipitable water: 0.95 inches Sfc-500 mean rel hum: 50.45 % Est. max temperature: 26.40 C = 79.52 F Sfc-Lift cond lev (LCL): 871.37 mb = 1288.12 m = 4226.06 ft T: 13.77 C 700-500 lapse rate: 8.42 C/km ThetaE index: 16.00 C Layer 923.0- 734.0 mb Conv cond level (CCL): 780.46 mb = 2210.46 m = 7252.07 ft Mean mixing ratio: 9.78 g/kg Conv temperature: 31.42 C = 88.56 F Cap Strength: 3.15 C Lifted Index: -4.37 C Risk: Severe thunderstorms probable Lifted Index @300 mb: -3.29 C Lifted Index @700 mb: 1.50 C Showalter Index: -2.50 C Risk: Severe thunderstorms possible Total Totals Index: 56.00 C Risk: Severe Thunderstorms probable Vertical Totals Index: 30.50 C Cross Totals Index: 25.50 C K Index: 25.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 260.40 Risk: None Energy Index: -1.23 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 844.60 J/kg Max Up Vert Vel: 41.10 m/s Conv Inhibition (B-): 188.81 J/kg Cap Strength: 3.07 C Lift Cond Lev (LCL): 868.14 mb = 1319.49 m = 4328.97 ft Lev Free Conv (LFC): 663.14 mb = 3540.45 m = 11615.49 ft Equ Level (EL): 253.14 mb = 10440.17 m = 34252.10 ft B at Equ Level: 839.89 J/kg Max Parcel Lev (MPL): 193.14 mb = 12197.02 m = 40015.98 ft Wind level data Storm motion: 234 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 1010 19 275 7 7.0 -0.6 | 360 6 0.0 -5.7 1 1000 105 275 9 9.0 -0.8 | 341 6 2.0 -5.9 2 925 783 145 4 -2.3 3.3 | 79 9 -9.3 -1.8 3 850 1498 180 11 0.0 11.0 | 130 9 -7.0 5.9 4 700 3106 210 14 7.0 12.1 | 180 7 0.0 7.0 5 500 5730 205 12 5.1 10.9 | 162 6 -1.9 5.8 6 400 7360 225 34 24.0 24.0 | 222 25 17.1 18.9 7 300 9340 200 55 18.8 51.7 | 194 48 11.8 46.6 8 262 10220 220 55 35.4 42.1 | 217 47 28.4 37.0 9 250 10520 230 48 36.8 30.9 | 229 39 29.8 25.7 10 200 11970 260 36 35.5 6.3 | 268 29 28.5 1.1 11 150 13840 250 42 39.5 14.4 | 254 34 32.5 9.2 12 100 16430 255 28 27.0 7.2 | 264 20 20.1 2.1 13 70 18670 200 8 2.7 7.5 | 119 5 -4.2 2.4 14 50 20770 240 14 12.1 7.0 | 250 5 5.2 1.9 15 30 24010 130 11 -8.4 7.1 | 97 16 -15.4 1.9 16 20 26650 240 19 16.5 9.5 | 245 10 9.5 4.4 17 10 31280 275 42 41.8 -3.7 | 284 36 34.9 -8.8 Wind Parameters Mean winds (0-6000m): 203.7 at 11.5 knts Storm direction: 233.7 at 8.6 knts Shear (0-3000m) pos: 1.9 neg: 2.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 176.9 deg Storm rel helicity (0-3000m) pos: 35.2 neg: -7.0 tot: 28.2 m^2/s^2 ave: 9.4 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 2.5 10^-3/s Energy-Hel index: 0.14 Bulk Rich Number: 87.14 Bulk Shear: 9.69 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 ------------------------------------------------------------------------------- 500 252 8 356 3| 0.0 8.5 8.5| 1.8 -2.9 -1.1 -2.3 0.19| 13.0 2.5 1000 232 6 58 2| 0.0 5.9 5.9| 7.2 -7.0 0.2 0.2 0.13| 10.0 1.3 1500 199 7 109 5| 2.0 3.9 5.9| 21.9 -7.0 14.8 9.9 0.33| 8.7 2.9 2000 192 8 119 6| 1.9 2.9 4.9| 26.3 -7.0 19.3 9.7 0.38| 7.1 2.7 2500 193 9 127 6| 1.9 2.4 4.3| 30.8 -7.0 23.7 9.5 0.42| 6.1 2.6 3000 197 10 136 6| 1.9 2.0 3.9| 35.2 -7.0 28.2 9.4 0.46| 5.5 2.5 4000 201 11 148 6| 1.4 1.5 2.9| 36.0 -8.3 27.7 6.9 0.44| 4.3 1.9 5000 203 11 154 6| 1.1 1.2 2.4| 36.0 -9.7 26.3 5.3 0.40| 3.5 1.4 6000 204 12 157 6| 1.3 1.0 2.3| 41.4 -10.6 30.8 5.1 0.41| 3.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250422.12.gif