UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101112.upa.cvt Date: 1200Z 11 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 11 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 118 1 925 791 SFC 903 997 20.6 7.6 43 13.0 12.9 45 4 302.4 303.8 290.0 324.2 7.27 3 850 1515 15.0 0.0 36 15.0 7.3 260 10 301.9 302.7 287.2 315.5 4.50 4 834 1675 13.2 0.2 41 13.0 6.5 260 11 301.6 302.5 287.3 315.7 4.65 5 752 2533 4.8 -3.2 56 8.0 1.1 263 19 301.6 302.3 286.6 313.7 4.01 6 745 2610 4.4 -6.6 45 11.0 -0.4 263 20 301.9 302.5 285.9 311.5 3.13 7 700 3115 1.6 -12.4 34 14.0 -3.7 265 24 304.3 304.6 285.7 310.9 2.11 8 640 3832 -2.5 -21.5 22 19.0 -8.1 269 26 307.5 307.7 285.7 311.0 1.07 9 627 3995 -2.1 -38.1 4 36.0 -9.4 270 27 309.8 309.8 285.5 310.6 0.23 10 541 5149 -10.9 -50.9 2 40.0 -16.1 276 31 312.6 312.6 286.4 312.9 0.07 11 525 5379 -12.9 -51.9 2 39.0 -17.6 278 32 312.9 312.9 286.4 313.1 0.06 12 500 5750 -14.9 -53.9 2 39.0 -19.2 280 33 314.9 314.9 287.1 315.1 0.05 13 490 5902 -15.5 -54.5 2 39.0 -19.7 279 33 316.0 316.0 287.5 316.1 0.05 14 414 7143 -25.9 -41.9 21 16.0 -27.8 272 37 318.2 318.2 288.4 319.0 0.23 15 400 7390 -28.7 -39.7 34 11.0 -30.0 270 38 317.7 317.7 288.3 318.8 0.30 16 377 7813 -31.9 -46.9 21 15.0 -33.1 269 45 318.9 318.9 288.6 319.4 0.15 17 372 7908 -32.1 -50.1 15 18.0 -33.4 269 47 319.8 319.9 288.8 320.2 0.10 18 311 9155 -40.5 266 68 324.9 19 300 9400 -42.9 265 72 324.9 20 291 9605 -44.5 265 75 325.5 21 250 10610 -49.7 265 89 332.2 22 236 10984 -51.7 265 88 334.7 23 232 11095 -51.7 264 87 336.3 24 200 12050 -53.7 260 79 347.7 25 191 12347 -52.5 260 77 354.3 26 150 13890 -57.7 260 69 370.7 27 100 16410 -65.7 265 44 400.8 28 95 16722 -64.7 263 50 408.7 29 88 17188 -64.8 260 58 417.5 30 81 17693 -64.9 264 42 427.3 31 70 18590 -61.1 270 15 453.7 32 67 18862 -62.1 277 14 457.2 33 55 20087 -60.9 306 12 486.5 34 50 20680 -61.3 320 11 499.0 35 48 20934 -60.3 315 12 507.3 36 30 23880 -57.7 255 18 587.3 37 20 26440 -54.7 280 23 668.7 38 15 28297 -53.1 272 28 731.4 39 13 29227 -51.1 268 31 768.9 40 11 30322 -49.5 263 34 812.3 41 10 30950 -48.1 260 36 840.0 42 9.7 31151 -47.1 851.1 43 7.1 33246 -40.9 956.1 44 5.8 34632 -37.3 1028.7 45 5.2 35387 -36.7 1064.1 TRP 236 10984 -51.7 265 88 334.7 WND 88 17188 -64.8 260 58 417.5 Sounding variables and indices 1000-500 mb thick: 5632.00 m Freezing level: 676.59 mb = 3394.79 m = 11137.63 ft Wetbulb zero: 746.76 mb = 2590.36 m = 8498.46 ft Precipitable water: 0.41 inches Sfc-500 mean rel hum: 24.53 % Est. max temperature: 19.74 C = 67.52 F Sfc-Lift cond lev (LCL): 744.30 mb = 2617.28 m = 8586.77 ft T: 4.36 C 700-500 lapse rate: 6.26 C/km ThetaE index: 8.68 C Layer 850.0- 834.0 mb Conv cond level (CCL): 653.36 mb = 3666.68 m = 12029.64 ft Mean mixing ratio: 5.23 g/kg Conv temperature: 24.78 C = 76.60 F Cap Strength: 3.74 C Lifted Index: 2.80 C Risk: None Lifted Index @300 mb: 5.54 C Lifted Index @700 mb: 2.12 C Showalter Index: 4.06 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 29.90 C Cross Totals Index: 14.90 C K Index: 15.90 Risk: < 20 % chance of thunderstorms Sweat Index: 53.00 Risk: None Energy Index: 0.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.51 J/kg Max Up Vert Vel: 4.58 m/s Conv Inhibition (B-): 63247.10 J/kg Cap Strength: 3.60 C Lift Cond Lev (LCL): 698.86 mb = 3128.09 m = 10262.65 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 303 at 19 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 ---------------------------------------------------------- 0 903 997 45 4 -2.8 -2.8 | 111 20 -18.8 7.4 1 850 1515 260 10 9.8 1.7 | 153 13 -6.1 11.9 2 700 3115 265 24 23.9 2.1 | 213 15 8.0 12.3 3 500 5750 280 33 32.5 -5.7 | 255 17 16.6 4.5 4 400 7390 270 38 38.0 -0.0 | 245 24 22.1 10.2 5 300 9400 265 72 71.7 6.3 | 254 58 55.8 16.5 6 250 10610 265 89 88.7 7.8 | 256 75 72.7 18.0 7 236 10984 265 88 87.7 7.7 | 256 74 71.7 17.9 8 200 12050 260 79 77.8 13.7 | 249 66 61.9 23.9 9 150 13890 260 69 68.0 12.0 | 247 57 52.0 22.2 10 100 16410 265 44 43.8 3.8 | 243 31 27.9 14.0 11 88 17188 260 58 57.1 10.1 | 244 46 41.2 20.3 12 70 18590 270 15 15.0 -0.0 | 175 10 -0.9 10.2 13 50 20680 320 11 7.1 -8.4 | 101 9 -8.9 1.8 14 30 23880 255 18 17.4 4.7 | 186 15 1.5 14.9 15 20 26440 280 23 22.7 -4.0 | 227 9 6.7 6.2 16 10 30950 260 36 35.5 6.3 | 230 26 19.5 16.5 Wind Parameters Mean winds (0-6000m): 272.7 at 25.2 knts Storm direction: 302.7 at 18.9 knts Shear (0-3000m) pos: 2.2 neg: 3.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 115.9 deg Storm rel helicity (0-3000m) pos: 91.2 neg: -9.9 tot: 81.2 m^2/s^2 ave: 27.1 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.23 Bulk Shear: 44.90 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 ------------------------------------------------------------------------------- 500 281 7 134 13| 0.0 13.5 13.5| 28.4 -9.9 18.5 37.0 0.41| 18.2 7.5 1000 265 9 149 13| 0.0 9.1 9.1| 43.9 -9.9 34.0 34.0 0.53| 11.6 6.1 1500 264 12 160 12| 1.5 6.0 7.5| 58.4 -9.9 48.4 32.3 0.61| 9.2 5.6 2000 264 14 171 12| 2.3 4.5 6.8| 73.0 -9.9 63.1 31.5 0.65| 8.0 5.3 2500 265 16 180 12| 2.3 3.6 5.9| 82.8 -9.9 72.8 29.1 0.68| 7.0 4.7 3000 266 18 189 12| 2.2 3.0 5.3| 91.2 -9.9 81.2 27.1 0.70| 6.2 4.3 4000 269 21 203 12| 2.2 2.3 4.4|109.0 -9.9 99.0 24.8 0.73| 5.2 3.8 5000 272 23 217 12| 2.0 2.0 3.9|123.1 -11.7 111.4 22.3 0.72| 4.6 3.3 6000 273 25 226 13| 1.6 2.0 3.6|123.1 -23.1 100.0 16.7 0.60| 4.3 2.6 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251011.12.gif