UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120900.upa.cvt Date: 0000Z 9 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 9 DEC 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 155 1 925 794 SFC 902 997 6.2 2.7 78 3.5 4.5 230 3 287.7 288.6 282.3 302.4 5.15 3 850 1485 3.4 -0.9 73 4.3 1.4 45 26 289.7 290.5 282.1 301.9 4.21 4 758 2406 -3.1 -5.7 82 2.6 -4.1 24 19 292.3 292.9 282.2 302.0 3.29 5 748 2512 -2.5 -5.3 81 2.8 -3.7 22 18 294.1 294.7 283.1 304.3 3.44 6 741 2587 -1.1 -5.6 71 4.5 -3.0 20 18 296.4 297.0 284.0 306.6 3.40 7 737 2630 -0.3 -6.3 64 6.0 -2.8 19 17 297.7 298.3 284.4 307.5 3.24 8 731 2696 -1.1 -8.1 59 7.0 -3.8 18 17 297.6 298.1 283.8 306.2 2.84 9 700 3042 -2.1 -11.1 50 9.0 -5.4 10 14 300.2 300.6 284.3 307.4 2.34 10 642 3723 -7.5 -16.5 48 9.0 -10.3 352 13 301.5 301.8 284.1 306.7 1.64 11 631 3858 -8.5 -16.5 52 8.0 -10.9 348 13 301.9 302.2 284.2 307.2 1.67 12 595 4311 -11.5 -22.5 40 11.0 -14.3 336 13 303.5 303.7 284.2 307.0 1.06 13 593 4337 -12.3 -24.3 36 12.0 -15.1 335 13 302.9 303.1 283.7 305.9 0.90 14 500 5620 -21.3 -40.3 16 19.0 -23.7 300 11 307.1 307.1 284.5 307.9 0.23 15 488 5798 -23.1 -37.1 27 14.0 -24.9 295 11 307.0 307.1 284.6 308.1 0.32 16 461 6213 -26.1 -39.1 28 13.0 -27.6 284 12 308.3 308.3 285.1 309.3 0.28 17 400 7220 -35.3 -46.3 32 11.0 -36.1 255 15 309.1 309.1 285.2 309.7 0.15 18 300 9160 -51.3 -59.3 38 8.0 -51.5 260 22 313.0 313.1 286.5 313.2 0.04 19 251 10295 -61.1 265 18 314.9 20 250 10320 -61.1 270 18 315.2 21 242 10523 -60.5 277 17 319.1 22 200 11720 -57.3 320 14 342.0 23 192 11979 -58.1 319 15 344.8 24 191 12012 -58.1 318 15 345.3 25 150 13550 -55.1 310 23 375.1 26 142 13899 -56.1 306 23 379.3 27 100 16090 -63.1 280 26 405.8 28 97 16278 -63.3 281 26 409.0 29 70 18290 -63.3 290 26 449.0 30 59 19345 -61.5 280 33 475.5 31 50 20370 -62.1 270 39 497.1 32 36 22410 -61.1 264 47 548.7 33 30 23540 -62.5 260 52 574.3 34 28 23968 -63.3 261 57 583.5 35 22 25470 -60.3 264 75 634.1 36 20 26070 -58.3 265 82 657.7 37 16 27479 -58.1 265 78 701.7 38 13 28801 -54.5 265 74 757.1 39 11 29888 -48.1 265 71 817.4 40 10 30520 -46.1 265 69 847.5 41 5.6 34425 -40.3 1025.9 42 5.0 35199 -39.7 265 151 1062.3 43 4.8 35478 -39.5 1075.8 TRP 251 10295 -61.1 265 18 314.9 WND 5.0 35199 -39.7 265 151 1062.3 Sounding variables and indices 1000-500 mb thick: 5465.00 m Freezing level: 801.88 mb = 1966.91 m = 6453.05 ft Wetbulb zero: 826.43 mb = 1711.15 m = 5613.96 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 52.35 % Est. max temperature: 11.70 C = 53.05 F Sfc-Lift cond lev (LCL): 854.79 mb = 1438.77 m = 4720.33 ft T: 3.67 C 700-500 lapse rate: 7.45 C/km ThetaE index: 1.34 C Layer 731.0- 700.0 mb Conv cond level (CCL): 775.79 mb = 2219.74 m = 7282.52 ft Mean mixing ratio: 4.33 g/kg Conv temperature: 10.17 C = 50.30 F Cap Strength: 6.20 C Lifted Index: 6.28 C Risk: None Lifted Index @300 mb: 7.92 C Lifted Index @700 mb: 6.20 C Showalter Index: 6.34 C Risk: None Total Totals Index: 45.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 20.40 C K Index: 14.80 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 1.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.81 J/kg Max Up Vert Vel: 5.26 m/s Conv Inhibition (B-): 58782.19 J/kg Cap Strength: 6.23 C Lift Cond Lev (LCL): 801.78 mb = 1954.72 m = 6413.05 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 23 at 11 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 ---------------------------------------------------------- 0 902 997 230 3 2.3 1.9 | 208 14 6.5 12.0 1 850 1485 45 26 -18.4 -18.4 | 60 16 -14.2 -8.3 2 700 3042 10 14 -2.4 -13.8 | 335 4 1.8 -3.7 3 500 5620 300 11 9.5 -5.5 | 251 14 13.7 4.6 4 400 7220 255 15 14.5 3.9 | 233 23 18.7 14.0 5 300 9160 260 22 21.7 3.8 | 242 29 25.8 13.9 6 251 10295 265 18 17.9 1.6 | 242 25 22.1 11.7 7 250 10320 270 18 18.0 -0.0 | 246 24 22.2 10.1 8 200 11720 320 14 9.0 -10.7 | 273 13 13.2 -0.6 9 150 13550 310 23 17.6 -14.8 | 282 22 21.8 -4.7 10 100 16090 280 26 25.6 -4.5 | 259 30 29.8 5.6 11 70 18290 290 26 24.4 -8.9 | 268 29 28.6 1.2 12 50 20370 270 39 39.0 -0.0 | 257 44 43.2 10.1 13 30 23540 260 52 51.2 9.0 | 251 59 55.4 19.1 14 20 26070 265 82 81.7 7.1 | 259 88 85.9 17.2 15 10 30520 265 69 68.7 6.0 | 258 75 72.9 16.1 Wind Parameters Mean winds (0-6000m): 352.5 at 14.6 knts Storm direction: 22.5 at 10.9 knts Shear (0-3000m) pos: 5.0 neg: 3.9 tot: 8.8 10-3/s Storm rel Dir Shear (0-3000m): 78.2 deg Storm rel helicity (0-3000m) pos: 155.0 neg: -35.9 tot: 119.1 m^2/s^2 ave: 39.7 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 12.8 stream: 5.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.63 Bulk Shear: 21.78 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 44 15 86 6| 29.7 0.0 29.7|155.0 0.0 155.0 309.9 0.96| 52.9 50.9 1000 41 19 63 10| 14.9 3.1 18.0|155.0 -13.7 141.3 141.3 0.80| 29.6 23.5 1500 37 20 55 9| 9.9 3.9 13.8|155.0 -22.4 132.6 88.4 0.67| 21.6 14.5 2000 35 19 51 8| 7.4 4.1 11.6|155.0 -28.2 126.8 63.4 0.56| 17.5 9.8 2500 31 18 43 7| 5.9 4.0 9.9|155.0 -31.8 123.2 49.3 0.50| 14.7 7.3 3000 26 17 31 6| 5.0 3.9 8.8|155.0 -35.9 119.1 39.7 0.44| 12.8 5.7 4000 16 16 2 5| 3.7 3.6 7.3|155.0 -47.2 107.8 27.0 0.36| 10.4 3.7 5000 6 15 332 5| 3.0 3.4 6.4|155.0 -60.1 94.9 19.0 0.30| 8.9 2.6 6000 353 15 306 7| 2.5 3.3 5.8|155.0 -81.5 73.4 12.2 0.23| 8.0 1.8 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251209.00.gif