UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 16 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 120 1 925 797 SFC 904 997 22.6 7.6 38 15.0 13.6 255 7 304.4 305.8 290.6 326.3 7.26 3 850 1527 16.8 -1.2 29 18.0 7.6 115 6 303.7 304.5 287.5 316.4 4.12 4 738 2704 4.6 -4.4 52 9.0 0.5 235 9 303.0 303.7 286.9 314.4 3.74 5 700 3133 1.6 -10.4 40 12.0 -3.1 280 10 304.3 304.7 286.1 312.0 2.47 6 665 3546 0.4 -36.6 4 37.0 -7.6 277 13 307.4 307.5 284.7 308.3 0.25 7 659 3619 -0.3 -37.3 4 37.0 -8.1 276 13 307.4 307.5 284.7 308.2 0.24 8 615 4171 -2.7 -36.7 5 34.0 -9.8 272 17 310.8 310.8 285.9 311.7 0.27 9 575 4701 -6.9 -27.9 17 21.0 -12.1 268 21 311.9 312.0 286.8 314.2 0.67 10 515 5554 -12.3 -26.3 30 14.0 -15.7 262 27 315.4 315.5 288.2 318.3 0.87 11 514 5569 -12.3 -26.3 30 14.0 -15.7 262 27 315.5 315.7 288.3 318.5 0.87 12 500 5780 -13.9 -25.9 36 12.0 -16.8 260 29 316.1 316.3 288.5 319.3 0.93 13 471 6229 -16.9 -29.9 31 13.0 -19.6 260 32 317.8 318.0 288.8 320.2 0.68 14 436 6802 -20.7 -57.7 2 37.0 -23.9 260 36 320.1 320.1 288.8 320.2 0.04 15 417 7129 -23.9 -59.9 2 36.0 -26.6 260 38 320.1 320.1 288.8 320.2 0.03 16 400 7430 -26.1 -61.1 2 35.0 -28.5 260 40 321.1 321.1 289.1 321.2 0.03 17 300 9440 -43.3 260 44 324.3 18 250 10640 -53.3 245 45 326.8 19 212 11686 -61.9 255 48 329.2 20 206 11865 -61.7 253 51 332.2 21 200 12050 -59.5 250 54 338.5 22 190 12372 -58.7 250 58 344.8 23 178 12782 -58.5 250 64 351.6 24 150 13860 -58.1 255 50 370.0 25 134 14570 -59.1 255 50 380.3 26 100 16400 -60.5 255 50 410.8 27 91 16987 -60.3 248 46 422.5 28 70 18620 -60.7 230 36 454.5 29 63 19275 -60.3 233 33 469.3 30 50 20720 -58.7 240 25 505.2 31 47 21108 -60.1 243 24 510.8 32 39 22278 -58.9 252 21 541.8 33 36 22785 -56.1 256 20 561.6 34 30 23950 -54.5 265 17 596.1 35 29 24167 -54.5 265 17 601.9 36 20 26560 -52.7 265 22 674.9 37 17 27613 -50.3 270 25 714.7 38 15 28429 -50.1 273 28 741.4 39 10 31100 -45.9 285 36 848.2 40 8.1 32515 -41.9 916.8 41 6.1 34465 -34.9 1024.3 42 6.0 34581 -33.5 1035.2 TRP 212 11686 -61.9 255 48 329.2 WND 178 12782 -58.5 250 64 351.6 Sounding variables and indices 1000-500 mb thick: 5660.00 m Freezing level: 661.57 mb = 3587.91 m = 11771.23 ft Wetbulb zero: 732.89 mb = 2760.70 m = 9057.31 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 27.15 % Est. max temperature: 21.34 C = 70.42 F Sfc-Lift cond lev (LCL): 723.88 mb = 2861.02 m = 9386.43 ft T: 3.50 C 700-500 lapse rate: 5.86 C/km ThetaE index: 18.02 C Layer 850.0- 615.0 mb Conv cond level (CCL): 608.28 mb = 4257.35 m = 13967.52 ft Mean mixing ratio: 4.91 g/kg Conv temperature: 28.98 C = 84.17 F Cap Strength: 3.55 C Lifted Index: 3.19 C Risk: None Lifted Index @300 mb: 4.38 C Lifted Index @700 mb: 0.36 C Showalter Index: 4.54 C Risk: None Total Totals Index: 43.40 C Risk: None Vertical Totals Index: 30.70 C Cross Totals Index: 12.70 C K Index: 17.50 Risk: < 20 % chance of thunderstorms Sweat Index: 41.00 Risk: None Energy Index: 0.64 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.61 J/kg Max Up Vert Vel: 6.72 m/s Conv Inhibition (B-): 58445.48 J/kg Cap Strength: 3.48 C Lift Cond Lev (LCL): 670.82 mb = 3476.15 m = 11404.55 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 14 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 ---------------------------------------------------------- 0 904 997 255 7 6.8 1.8 | 139 9 -6.0 7.0 1 850 1527 115 6 -5.4 2.5 | 113 20 -18.2 7.7 2 700 3133 280 10 9.8 -1.7 | 140 4 -2.9 3.4 3 500 5780 260 29 28.6 5.0 | 237 19 15.8 10.2 4 400 7430 260 40 39.4 6.9 | 246 29 26.6 12.1 5 300 9440 260 44 43.3 7.6 | 247 33 30.6 12.8 6 250 10640 245 45 40.8 19.0 | 229 37 28.0 24.2 7 212 11686 255 48 46.4 12.4 | 242 38 33.6 17.6 8 200 12050 250 54 50.7 18.5 | 238 45 38.0 23.6 9 178 12782 250 64 60.1 21.9 | 240 55 47.4 27.1 10 150 13860 255 50 48.3 12.9 | 243 40 35.5 18.1 11 100 16400 255 50 48.3 12.9 | 243 40 35.5 18.1 12 70 18620 230 36 27.6 23.1 | 208 32 14.8 28.3 13 50 20720 240 25 21.7 12.5 | 207 20 8.9 17.7 14 30 23950 265 17 16.9 1.5 | 212 8 4.2 6.7 15 20 26560 265 22 21.9 1.9 | 232 12 9.2 7.1 16 10 31100 285 36 34.8 -9.3 | 281 22 22.0 -4.1 Wind Parameters Mean winds (0-6000m): 262.1 at 18.3 knts Storm direction: 292.1 at 13.8 knts Shear (0-3000m) pos: 3.1 neg: 1.4 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 79.8 deg Storm rel helicity (0-3000m) pos: 60.9 neg: -39.6 tot: 21.3 m^2/s^2 ave: 7.1 10^-3 m/s^2 rel: 0.19 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 1.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.69 Bulk Shear: 32.58 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 ------------------------------------------------------------------------------- 500 206 7 138 15| 0.0 12.3 12.3| 1.2 -37.6 -36.4 -72.7 -0.51| 15.4 -7.8 1000 158 7 126 19| 2.4 6.1 8.5| 26.0 -37.9 -11.9 -11.9 -0.15| 10.3 -1.5 1500 180 7 134 18| 3.6 4.1 7.7| 49.9 -37.9 12.1 8.0 0.09| 9.3 0.8 2000 225 7 145 13| 3.8 3.1 6.9| 55.4 -38.4 16.9 8.5 0.10| 9.1 0.9 2500 261 8 144 8| 3.8 2.5 6.2| 57.5 -39.6 17.9 7.2 0.13| 8.2 1.0 3000 267 9 147 7| 3.1 1.4 4.6| 60.9 -39.6 21.3 7.1 0.19| 7.5 1.4 4000 267 12 171 6| 2.3 0.6 3.0| 65.8 -39.6 26.2 6.6 0.20| 6.6 1.3 5000 263 15 198 7| 1.9 1.0 2.9| 68.8 -40.1 28.8 5.8 0.19| 6.1 1.1 6000 262 18 215 9| 1.6 1.3 2.9| 81.7 -40.1 41.6 6.9 0.20| 5.6 1.1 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251016.12.gif