UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120312.upa.cvt Date: 1200Z 3 DEC 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 3 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 167 1 925 823 SFC 906 997 13.6 3.6 51 10.0 8.3 125 11 295.0 295.9 285.7 311.0 5.47 3 850 1530 8.2 -1.8 49 10.0 3.5 220 7 294.7 295.4 284.0 306.4 3.94 4 779 2242 2.6 -8.4 44 11.0 -1.7 229 7 296.2 296.6 283.0 304.0 2.60 5 778 2252 2.4 -8.6 44 11.0 -1.9 229 7 296.1 296.5 282.9 303.8 2.56 6 735 2710 1.2 -27.8 9 29.0 -6.1 235 8 299.6 299.7 281.9 301.4 0.53 7 709 2999 0.4 -23.6 15 24.0 -6.3 239 8 301.8 302.0 283.2 304.5 0.80 8 700 3101 0.2 -21.8 17 22.0 -6.2 240 8 302.7 302.9 283.7 305.8 0.95 9 661 3560 -2.3 -24.3 17 22.0 -8.2 243 11 304.9 305.0 284.4 307.6 0.81 10 584 4535 -9.3 -22.3 34 13.0 -12.8 251 17 307.7 307.9 285.8 311.3 1.09 11 500 5720 -18.1 -23.1 65 5.0 -19.3 260 25 311.0 311.2 287.1 314.9 1.19 12 465 6259 -21.5 -27.5 58 6.0 -22.7 263 30 313.3 313.4 287.5 316.2 0.86 13 434 6764 -26.1 -32.1 57 6.0 -27.1 266 34 313.7 313.8 287.3 315.7 0.60 14 400 7350 -30.5 -36.5 56 6.0 -31.2 270 39 315.3 315.4 287.7 316.8 0.42 15 375 7805 -33.5 -40.5 49 7.0 -34.2 272 41 317.3 317.3 288.2 318.3 0.30 16 341 8461 -40.3 -51.3 30 11.0 -40.9 276 43 316.7 316.8 287.8 317.1 0.10 17 306 9189 -46.1 -59.1 22 13.0 -46.5 279 46 318.6 318.6 288.3 318.7 0.04 18 300 9320 -47.1 -59.1 24 12.0 -47.4 280 46 319.0 319.0 288.5 319.1 0.04 19 250 10500 -57.3 265 49 320.9 20 218 11359 -64.8 255 69 322.0 21 217 11387 -65.1 260 69 322.1 22 209 11618 -64.5 262 61 326.5 23 200 11890 -63.5 265 51 332.2 24 150 13660 -61.1 265 59 364.8 25 146 13829 -61.5 266 58 367.0 26 127 14700 -60.1 271 54 384.4 27 100 16190 -62.3 280 46 407.4 28 93 16640 -60.5 275 47 419.4 29 70 18410 -60.1 255 51 455.8 30 50 20510 -60.3 275 49 501.4 31 44 21306 -61.3 278 51 517.6 32 38 22214 -62.5 280 52 536.7 33 36 22550 -59.5 281 53 552.8 34 30 23690 -60.1 285 55 580.8 35 27 24354 -59.3 285 59 600.8 36 22 25652 -57.3 285 67 643.0 37 20 26260 -56.1 285 71 664.5 38 18 26923 -58.5 284 77 677.2 39 14 28490 -60.1 282 93 722.3 40 11 29999 -57.3 281 107 784.0 41 10 30600 -57.5 280 113 804.9 42 9.7 30793 -56.1 817.2 43 9.4 30992 -57.3 820.0 44 7.2 32674 -58.3 880.9 45 6.3 33512 -59.3 911.0 46 5.3 34593 -60.3 952.6 47 4.6 35490 -53.3 1024.7 48 4.4 35779 -50.1 1052.9 TRP 217 11387 -65.1 260 69 322.1 WND 218 11359 -64.8 255 69 322.0 Sounding variables and indices 1000-500 mb thick: 5553.00 m Freezing level: 696.88 mb = 3137.74 m = 10294.30 ft Wetbulb zero: 802.40 mb = 2000.11 m = 6561.97 ft Precipitable water: 0.36 inches Sfc-500 mean rel hum: 35.74 % Est. max temperature: 16.40 C = 61.52 F Sfc-Lift cond lev (LCL): 778.96 mb = 2241.94 m = 7355.36 ft T: 2.59 C 700-500 lapse rate: 6.99 C/km ThetaE index: 9.60 C Layer 850.0- 709.0 mb Conv cond level (CCL): 628.74 mb = 3953.94 m = 12972.09 ft Mean mixing ratio: 4.16 g/kg Conv temperature: 24.39 C = 75.90 F Cap Strength: 6.12 C Lifted Index: 5.96 C Risk: None Lifted Index @300 mb: 8.49 C Lifted Index @700 mb: 5.69 C Showalter Index: 6.55 C Risk: None Total Totals Index: 42.60 C Risk: None Vertical Totals Index: 26.30 C Cross Totals Index: 16.30 C K Index: 2.50 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 1.82 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.64 J/kg Max Up Vert Vel: 2.30 m/s Conv Inhibition (B-): 80303.34 J/kg Cap Strength: 6.11 C Lift Cond Lev (LCL): 734.48 mb = 2715.38 m = 8908.63 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 13 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 ---------------------------------------------------------- 0 906 997 125 11 -9.0 6.3 | 114 23 -21.1 9.4 1 850 1530 220 7 4.5 5.4 | 138 11 -7.6 8.5 2 700 3101 240 8 6.9 4.0 | 144 9 -5.2 7.1 3 500 5720 260 25 24.6 4.3 | 239 15 12.5 7.5 4 400 7350 270 39 39.0 -0.0 | 263 27 26.9 3.1 5 300 9320 280 46 45.3 -8.0 | 278 34 33.2 -4.9 6 250 10500 265 49 48.8 4.3 | 259 37 36.7 7.4 7 218 11359 255 69 66.6 17.9 | 249 58 54.5 21.0 8 217 11387 260 69 68.0 12.0 | 255 58 55.8 15.1 9 200 11890 265 51 50.8 4.4 | 259 39 38.7 7.6 10 150 13660 265 59 58.8 5.1 | 260 47 46.6 8.3 11 100 16190 280 46 45.3 -8.0 | 278 34 33.2 -4.9 12 70 18410 255 51 49.3 13.2 | 246 41 37.1 16.3 13 50 20510 275 49 48.8 -4.3 | 272 37 36.7 -1.1 14 30 23690 285 55 53.1 -14.2 | 285 42 41.0 -11.1 15 20 26260 285 71 68.6 -18.4 | 285 58 56.5 -15.2 16 10 30600 280 113 111.3 -19.6 | 279 101 99.2 -16.5 Wind Parameters Mean winds (0-6000m): 254.5 at 16.7 knts Storm direction: 284.5 at 12.5 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 69.7 deg Storm rel helicity (0-3000m) pos: 59.9 neg: -0.1 tot: 59.8 m^2/s^2 ave: 19.9 10^-3 m/s^2 rel: 0.63 Storm rel vorticity (0-3000m) horiz: 4.1 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.05 Bulk Shear: 54.47 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 ------------------------------------------------------------------------------- 500 155 9 126 20| 13.5 0.0 13.5| 44.0 0.0 44.0 87.9 0.57| 15.1 8.6 1000 190 8 136 15| 7.4 0.0 7.4| 44.9 -0.1 44.8 44.8 0.53| 8.3 4.5 1500 206 8 140 13| 5.2 0.0 5.2| 45.8 -0.1 45.7 30.5 0.53| 5.9 3.1 2000 215 8 142 12| 4.1 0.0 4.1| 46.5 -0.1 46.4 23.2 0.52| 4.6 2.4 2500 222 8 144 11| 3.8 0.0 3.8| 52.5 -0.1 52.4 20.9 0.57| 4.3 2.4 3000 228 9 148 11| 3.7 0.0 3.7| 59.9 -0.1 59.8 19.9 0.63| 4.1 2.6 4000 240 11 162 9| 3.7 0.0 3.7| 76.0 -0.1 75.8 19.0 0.69| 4.0 2.8 5000 248 13 183 8| 3.7 0.0 3.7| 96.0 -0.1 95.9 19.2 0.70| 4.0 2.8 6000 255 17 208 9| 3.9 0.0 3.9|123.6 -0.1 123.5 20.6 0.67| 4.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251203.12.gif