UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102712.upa.cvt Date: 1200Z 27 OCT 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 27 OCT 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 1007 19 26.6 15.6 51 11.0 19.3 135 9 299.2 301.2 292.2 331.7 11.13 1 1000 80 26.4 15.4 51 11.0 19.1 155 10 299.5 301.6 292.2 331.9 11.06 2 925 768 19.8 12.8 64 7.0 15.3 195 27 299.6 301.4 291.5 329.1 10.09 3 910 908 19.4 12.4 64 7.0 14.9 205 29 300.5 302.4 291.7 329.9 9.99 4 867 1320 18.6 8.6 52 10.0 12.5 233 36 303.9 305.4 291.2 328.2 8.11 5 866 1330 18.4 8.4 52 10.0 12.3 234 36 303.8 305.3 291.1 327.8 8.01 6 850 1488 18.0 7.0 49 11.0 11.4 245 39 305.0 306.4 291.0 327.4 7.41 7 845 1539 18.4 6.4 45 12.0 11.3 245 39 305.9 307.3 291.0 327.6 7.15 8 726 2821 9.2 -1.8 46 11.0 3.6 241 41 309.4 310.3 289.9 323.8 4.62 9 700 3122 6.4 -3.6 49 10.0 1.5 240 42 309.6 310.4 289.6 322.7 4.19 10 665 3540 2.8 -5.2 56 8.0 -0.9 241 43 310.1 310.8 289.5 322.4 3.90 11 563 4859 -8.5 -15.5 57 7.0 -10.9 243 46 311.9 312.3 288.3 318.5 2.03 12 562 4873 -8.3 -16.3 52 8.0 -10.9 243 46 312.3 312.7 288.3 318.5 1.90 13 500 5770 -14.5 -24.5 42 10.0 -17.0 245 48 315.4 315.6 288.4 318.9 1.05 14 476 6144 -15.9 -30.9 26 15.0 -19.0 244 48 318.1 318.2 288.8 320.3 0.61 15 404 7367 -24.5 -38.5 26 14.0 -26.5 240 47 322.2 322.3 289.8 323.5 0.34 16 400 7440 -25.3 -39.3 26 14.0 -27.2 240 47 322.1 322.2 289.8 323.3 0.32 17 398 7476 -25.5 -39.5 26 14.0 -27.3 240 47 322.3 322.4 289.8 323.5 0.31 18 303 9392 -39.7 -49.7 34 10.0 -40.3 250 58 328.5 328.5 291.5 329.0 0.13 19 300 9460 -39.9 -48.9 38 9.0 -40.5 250 58 329.1 329.2 291.6 329.7 0.15 20 250 10680 -49.3 -59.3 30 10.0 -49.6 245 62 332.8 332.8 292.5 333.0 0.05 21 202 12047 -57.7 250 72 340.4 22 200 12110 -57.3 250 72 342.0 23 190 12434 -58.1 250 76 345.7 24 188 12500 -58.3 251 75 346.5 25 157 13621 -63.3 265 66 356.4 26 150 13900 -64.5 260 60 359.0 27 118 15362 -66.5 260 51 380.8 28 100 16360 -68.5 260 44 395.4 29 90 16989 -71.7 261 38 401.1 30 84 17400 -69.5 262 33 413.6 31 74 18162 -67.5 264 25 433.0 32 70 18500 -64.1 265 22 447.3 33 66 18861 -65.3 272 22 452.2 34 57 19760 -64.1 289 22 474.3 35 52 20333 -58.3 300 22 500.4 36 50 20580 -59.1 305 22 504.2 37 43 21516 -62.5 287 27 518.1 38 39 22123 -58.3 276 30 543.4 39 31 23572 -56.3 249 38 585.6 40 30 23780 -56.1 245 39 591.7 41 24 25194 -56.7 251 36 629.0 42 20 26360 -52.5 255 33 675.5 43 19 26694 -49.9 256 34 693.5 44 15 28231 -53.1 263 39 731.4 45 14 28677 -52.5 265 41 748.0 46 12 29690 -45.7 270 44 805.8 47 10 30910 -44.1 275 48 854.9 48 8.7 31848 -42.3 896.7 49 8.0 32424 -35.3 946.3 50 7.7 32690 -35.9 954.3 TRP 157 13621 -63.3 265 66 356.4 WND 190 12434 -58.1 250 76 345.7 Sounding variables and indices 1000-500 mb thick: 5690.00 m Freezing level: 639.73 mb = 3866.68 m = 12685.81 ft Wetbulb zero: 678.05 mb = 3381.43 m = 11093.79 ft Precipitable water: 1.20 inches Sfc-500 mean rel hum: 51.87 % Est. max temperature: 31.93 C = 89.47 F Sfc-Lift cond lev (LCL): 857.43 mb = 1414.12 m = 4639.43 ft T: 18.19 C 700-500 lapse rate: 7.89 C/km ThetaE index: 9.08 C Layer 726.0- 562.0 mb Conv cond level (CCL): 734.83 mb = 2718.41 m = 8918.57 ft Mean mixing ratio: 10.51 g/kg Conv temperature: 36.63 C = 97.93 F Cap Strength: 6.10 C Lifted Index: -3.50 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.10 C Lifted Index @700 mb: 1.93 C Showalter Index: -1.98 C Risk: Thunderstorms probable Total Totals Index: 54.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 32.50 C Cross Totals Index: 21.50 C K Index: 29.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 310.00 Risk: Showers and thunderstorms possible Energy Index: -1.62 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 454.87 J/kg Max Up Vert Vel: 30.16 m/s Conv Inhibition (B-): 321.21 J/kg Cap Strength: 6.10 C Lift Cond Lev (LCL): 840.44 mb = 1584.32 m = 5197.85 ft Lev Free Conv (LFC): 645.44 mb = 3776.33 m = 12389.40 ft Equ Level (EL): 295.44 mb = 9562.53 m = 31372.76 ft B at Equ Level: 452.65 J/kg Max Parcel Lev (MPL): 185.44 mb = 12585.45 m = 41290.35 ft Wind level data Storm motion: 269 at 30 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 1007 19 135 9 -6.4 6.4 | 99 36 -35.9 5.6 1 1000 80 155 10 -4.2 9.1 | 104 35 -33.7 8.3 2 925 768 195 27 7.0 26.1 | 138 34 -22.5 25.3 3 850 1488 245 39 35.3 16.5 | 200 17 5.8 15.7 4 700 3122 240 42 36.4 21.0 | 199 21 6.9 20.2 5 500 5770 245 48 43.5 20.3 | 216 24 14.0 19.5 6 400 7440 240 47 40.7 23.5 | 206 25 11.2 22.7 7 300 9460 250 58 54.5 19.8 | 233 31 25.0 19.1 8 250 10680 245 62 56.2 26.2 | 226 37 26.7 25.4 9 200 12110 250 72 67.7 24.6 | 238 45 38.1 23.9 10 190 12434 250 76 71.4 26.0 | 239 49 41.9 25.2 11 157 13621 265 66 65.7 5.8 | 262 37 36.2 5.0 12 150 13900 260 60 59.1 10.4 | 252 31 29.6 9.7 13 100 16360 260 44 43.3 7.6 | 244 15 13.8 6.9 14 70 18500 265 22 21.9 1.9 | 99 8 -7.6 1.2 15 50 20580 305 22 18.0 -12.6 | 41 18 -11.5 -13.4 16 30 23780 245 39 35.3 16.5 | 200 17 5.8 15.7 17 20 26360 255 33 31.9 8.5 | 197 8 2.4 7.8 18 10 30910 275 48 47.8 -4.2 | 285 19 18.3 -4.9 Wind Parameters Mean winds (0-6000m): 238.5 at 39.4 knts Storm direction: 268.5 at 29.5 knts Shear (0-3000m) pos: 7.4 neg: 0.7 tot: 8.1 10-3/s Storm rel Dir Shear (0-3000m): 100.0 deg Storm rel helicity (0-3000m) pos: 399.9 neg: -2.5 tot: 397.3 m^2/s^2 ave: 132.4 10^-3 m/s^2 rel: 0.83 Storm rel vorticity (0-3000m) horiz: 10.3 stream: 8.6 10^-3/s Energy-Hel index: 1.14 Bulk Rich Number: 2.57 Bulk Shear: 177.10 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 ------------------------------------------------------------------------------- 500 170 15 113 35| 16.3 0.0 16.3|149.4 0.0 149.4 298.8 0.98| 16.6 16.3 1000 191 21 127 32| 15.7 0.0 15.7|294.9 0.0 294.9 294.9 0.94| 17.7 16.7 1500 211 26 142 27| 14.7 0.0 14.7|399.9 0.0 399.9 266.6 0.90| 19.2 17.3 2000 223 29 155 23| 11.0 0.4 11.4|399.9 -0.6 399.3 199.6 0.88| 14.7 12.9 2500 229 31 163 21| 8.8 0.6 9.4|399.9 -1.4 398.5 159.4 0.85| 12.1 10.3 3000 232 33 170 20| 7.4 0.7 8.1|399.9 -2.5 397.3 132.4 0.83| 10.3 8.6 4000 235 36 178 20| 5.8 0.5 6.4|412.9 -2.8 410.1 102.5 0.83| 8.1 6.7 5000 237 38 186 20| 4.9 0.4 5.4|428.0 -2.8 425.2 85.0 0.83| 6.7 5.6 6000 239 39 192 20| 4.2 0.4 4.6|438.9 -5.9 433.0 72.2 0.82| 5.8 4.8 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20251027.12.gif