UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102000.upa.cvt Date: 0000Z 20 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 20 OCT 25 Station: LTBM WMO ident: 17240 Latitude: 37.75 Longitude: 30.55 Elevation: 997.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 150 1 925 809 SFC 905 997 14.4 10.7 78 3.7 12.1 345 5 295.9 297.5 289.3 321.8 8.96 3 887 1166 13.6 6.6 63 7.0 9.6 326 7 296.8 298.0 287.8 316.9 6.90 4 850 1521 10.8 5.8 71 5.0 8.0 285 10 297.5 298.7 287.9 317.4 6.81 5 750 2551 3.0 0.9 86 2.1 2.0 288 18 299.8 300.8 287.5 316.1 5.45 6 707 3028 0.6 -2.7 79 3.3 -0.9 290 21 302.3 303.1 287.3 315.7 4.43 7 700 3108 0.2 -3.5 76 3.7 -1.5 290 22 302.7 303.5 287.3 315.6 4.22 8 630 3948 -3.5 -10.5 58 7.0 -6.2 284 32 307.7 308.3 287.5 316.4 2.73 9 603 4293 -5.9 -10.8 68 4.9 -7.8 281 36 308.8 309.4 288.0 317.7 2.78 10 552 4981 -9.7 -16.7 57 7.0 -12.0 276 44 312.3 312.6 288.2 318.4 1.87 11 538 5180 -10.5 -19.5 48 9.0 -13.2 274 46 313.6 313.9 288.3 318.6 1.52 12 509 5604 -13.3 -24.3 39 11.0 -16.1 271 51 315.2 315.4 288.3 318.8 1.05 13 500 5740 -14.7 -25.7 39 11.0 -17.3 270 53 315.1 315.3 288.2 318.3 0.94 14 468 6240 -16.9 -41.9 9 25.0 -20.5 270 54 318.4 318.4 288.5 319.2 0.21 15 467 6256 -16.9 -42.9 9 26.0 -20.6 270 54 318.6 318.6 288.5 319.3 0.19 16 400 7400 -26.9 -37.9 35 11.0 -28.3 270 56 320.0 320.1 289.2 321.4 0.36 17 369 7976 -31.1 -45.1 24 14.0 -32.4 269 62 321.9 321.9 289.5 322.6 0.19 18 356 8229 -32.7 -52.7 12 20.0 -34.1 268 65 323.1 323.1 289.8 323.4 0.08 19 300 9410 -41.5 -49.5 42 8.0 -42.0 265 79 326.9 326.9 291.0 327.4 0.14 20 296 9501 -42.3 -50.3 41 8.0 -42.8 265 79 327.0 327.0 291.0 327.5 0.13 21 250 10620 -51.1 -58.1 43 7.0 -51.3 270 85 330.1 330.1 291.8 330.3 0.06 22 206 11855 -60.5 260 73 334.1 23 200 12040 -60.5 255 76 337.0 24 195 12198 -60.9 256 77 338.8 25 150 13840 -59.9 270 84 366.9 26 124 15033 -57.7 263 72 391.4 27 100 16380 -60.7 255 58 410.4 28 95 16698 -61.9 260 61 414.2 29 86 17314 -61.3 269 66 427.3 30 80 17763 -61.4 275 70 436.1 31 70 18590 -61.5 280 52 452.8 32 63 19244 -60.3 271 46 469.3 33 57 19868 -59.3 262 40 485.2 34 50 20680 -63.5 250 32 493.8 35 49 20804 -63.1 250 32 497.7 36 43 21605 -64.1 251 31 514.1 37 35 22883 -58.3 253 29 560.4 38 31 23651 -55.5 255 27 587.8 39 30 23860 -55.1 255 27 594.4 40 26 24765 -58.3 260 38 610.2 41 20 26420 -56.1 270 59 664.5 42 19 26746 -56.5 673.0 43 17 27454 -55.3 698.6 44 15 28249 -57.1 718.1 45 12 29696 -46.5 803.0 46 11 30271 -48.3 816.7 TRP 206 11855 -60.5 260 73 334.1 WND 80 17763 -61.4 275 70 436.1 Sounding variables and indices 1000-500 mb thick: 5590.00 m Freezing level: 696.22 mb = 3153.40 m = 10345.66 ft Wetbulb zero: 721.04 mb = 2869.19 m = 9413.22 ft Precipitable water: 0.72 inches Sfc-500 mean rel hum: 66.64 % Est. max temperature: 18.13 C = 64.63 F Sfc-Lift cond lev (LCL): 856.16 mb = 1460.78 m = 4792.52 ft T: 11.27 C 700-500 lapse rate: 5.66 C/km ThetaE index: 4.86 C Layer 887.0- 850.0 mb Conv cond level (CCL): 767.77 mb = 2358.33 m = 7737.20 ft Mean mixing ratio: 6.88 g/kg Conv temperature: 17.83 C = 64.10 F Cap Strength: 3.50 C Lifted Index: 3.09 C Risk: None Lifted Index @300 mb: 7.05 C Lifted Index @700 mb: 0.82 C Showalter Index: 3.15 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.50 C K Index: 27.60 Risk: 40-60 % chance of thunderstorms Sweat Index: 142.60 Risk: None Energy Index: 0.20 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.17 J/kg Max Up Vert Vel: 4.28 m/s Conv Inhibition (B-): 41693.73 J/kg Cap Strength: 3.46 C Lift Cond Lev (LCL): 790.38 mb = 2119.52 m = 6953.72 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 306 at 25 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 ---------------------------------------------------------- 0 905 997 345 5 1.3 -4.8 | 117 21 -18.9 9.7 1 850 1521 285 10 9.7 -2.6 | 139 16 -10.5 11.9 2 700 3108 290 22 20.7 -7.5 | 184 7 0.5 7.0 3 500 5740 270 53 53.0 -0.0 | 246 36 32.8 14.5 4 400 7400 270 56 56.0 -0.0 | 248 39 35.8 14.5 5 300 9410 265 79 78.7 6.9 | 250 62 58.5 21.4 6 250 10620 270 85 85.0 -0.0 | 257 66 64.8 14.5 7 206 11855 260 73 71.9 12.7 | 242 58 51.7 27.2 8 200 12040 255 76 73.4 19.7 | 237 63 53.3 34.2 9 150 13840 270 84 84.0 -0.0 | 257 65 63.8 14.5 10 100 16380 255 58 56.0 15.0 | 231 46 35.9 29.5 11 80 17763 275 70 69.7 -6.1 | 260 50 49.6 8.4 12 70 18590 280 52 51.2 -9.0 | 260 32 31.1 5.5 13 50 20680 250 32 30.1 10.9 | 201 27 9.9 25.5 14 30 23860 255 27 26.1 7.0 | 195 22 5.9 21.5 15 20 26420 270 59 59.0 -0.0 | 250 41 38.8 14.5 Wind Parameters Mean winds (0-6000m): 275.8 at 33.1 knts Storm direction: 305.8 at 24.8 knts Shear (0-3000m) pos: 1.3 neg: 4.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 121.1 deg Storm rel helicity (0-3000m) pos: 69.2 neg: 0.0 tot: 69.2 m^2/s^2 ave: 23.1 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 96.07 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 ------------------------------------------------------------------------------- 500 305 7 126 17| 0.0 8.5 8.5| 25.9 0.0 25.9 51.8 0.66| 9.1 5.9 1000 293 9 133 16| 0.0 6.1 6.1| 35.2 0.0 35.2 35.2 0.64| 6.6 4.2 1500 291 12 138 14| 1.3 4.0 5.3| 42.2 0.0 42.2 28.1 0.64| 5.7 3.6 2000 290 13 143 12| 2.0 3.0 5.0| 48.7 0.0 48.7 24.4 0.66| 5.2 3.5 2500 290 15 149 11| 1.6 3.5 5.1| 58.9 0.0 58.9 23.6 0.72| 5.3 3.8 3000 288 18 159 10| 1.3 4.0 5.3| 69.2 0.0 69.2 23.1 0.69| 5.5 3.8 4000 284 23 194 9| 1.0 4.6 5.6| 81.4 0.0 81.4 20.3 0.55| 5.8 3.2 5000 278 29 218 13| 0.8 4.7 5.5| 83.0 -4.0 79.0 15.8 0.44| 5.7 2.5 6000 276 33 229 17| 0.7 4.1 4.7| 90.0 -4.0 85.9 14.3 0.44| 4.9 2.2 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251020.00.gif