UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102300.upa.cvt Date: 0000Z 23 OCT 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 23 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 1 925 812 SFC 905 997 15.4 12.2 81 3.2 13.4 155 7 296.9 298.7 290.5 325.6 9.91 3 850 1529 13.0 8.0 72 5.0 10.0 190 14 299.8 301.2 289.7 323.2 7.94 4 845 1579 12.6 7.7 72 4.9 9.7 192 14 299.9 301.3 289.6 322.9 7.82 5 757 2493 6.0 1.0 70 5.0 3.4 223 24 302.3 303.3 288.3 318.7 5.44 6 754 2526 5.8 1.0 71 4.8 3.3 224 24 302.4 303.4 288.3 318.9 5.46 7 747 2602 6.4 -1.6 57 8.0 2.5 227 25 303.9 304.7 288.0 317.8 4.55 8 733 2758 6.0 -5.0 45 11.0 1.0 232 26 305.1 305.8 287.5 316.2 3.59 9 723 2870 4.8 -5.2 48 10.0 0.3 236 27 305.0 305.6 287.5 316.1 3.59 10 700 3134 3.4 -5.6 52 9.0 -0.7 245 30 306.2 306.9 287.9 317.4 3.60 11 616 4156 -4.5 -12.5 54 8.0 -7.5 249 31 308.6 309.0 287.5 316.2 2.37 12 598 4388 -6.5 -13.5 58 7.0 -9.0 250 31 308.9 309.3 287.5 316.1 2.25 13 590 4494 -6.5 -20.5 32 14.0 -10.6 250 31 310.1 310.3 286.8 314.3 1.27 14 577 4668 -6.5 -24.5 22 18.0 -11.3 251 31 312.1 312.2 287.1 315.2 0.91 15 561 4887 -8.3 -17.3 48 9.0 -11.2 252 31 312.5 312.8 288.2 318.2 1.75 16 542 5153 -10.3 -17.3 56 7.0 -12.5 253 32 313.2 313.5 288.5 319.1 1.81 17 500 5770 -14.5 -19.5 66 5.0 -15.9 255 32 315.4 315.7 289.0 320.8 1.63 18 443 6680 -19.7 -26.7 54 7.0 -21.2 258 30 319.9 320.1 289.8 323.3 0.97 19 400 7430 -25.7 -32.7 52 7.0 -26.8 260 29 321.6 321.7 289.9 323.8 0.61 20 399 7448 -25.9 -32.9 52 7.0 -27.1 260 29 321.6 321.7 289.9 323.7 0.60 21 320 9008 -38.5 -46.5 43 8.0 -39.1 268 36 325.0 325.1 290.5 325.7 0.18 22 300 9450 -41.5 -50.5 37 9.0 -42.0 270 38 326.9 326.9 291.0 327.4 0.12 23 250 10650 -52.7 -61.7 33 9.0 -52.9 270 46 327.7 327.7 291.1 327.9 0.04 24 231 11157 -56.9 260 48 328.8 25 216 11583 -58.1 260 52 333.3 26 200 12070 -57.5 260 56 341.7 27 165 13294 -55.9 265 65 363.6 28 160 13490 -55.7 265 63 367.3 29 150 13900 -58.1 265 58 370.0 30 131 14747 -60.5 268 55 380.3 31 100 16410 -64.5 275 50 403.1 32 87 17259 -64.7 263 44 419.1 33 86 17330 -64.5 262 43 420.9 34 72 18425 -60.5 247 35 451.3 35 70 18600 -59.9 245 34 456.2 36 53 20330 -62.7 257 36 487.5 37 50 20690 -61.9 260 36 497.6 38 38 22400 -59.9 265 33 543.3 39 30 23890 -56.9 270 31 589.5 40 28 24329 -55.3 263 29 605.7 41 24 25317 -54.3 248 26 635.9 42 20 26490 -53.1 230 22 673.6 43 19 26821 -53.5 234 22 682.4 44 18 27171 -51.1 238 22 700.6 45 14 28822 -47.1 256 23 766.3 46 13 29315 -45.7 261 23 787.6 47 10 31050 -49.5 280 24 834.8 48 9.3 31528 -47.1 861.4 49 6.2 34248 -41.1 993.0 50 5.2 35446 -40.3 1047.9 51 4.0 37268 -31.9 1170.2 TRP 231 11157 -56.9 260 48 328.8 WND 165 13294 -55.9 265 65 363.6 Sounding variables and indices 1000-500 mb thick: 5620.00 m Freezing level: 663.85 mb = 3573.72 m = 11724.67 ft Wetbulb zero: 716.77 mb = 2940.95 m = 9648.66 ft Precipitable water: 0.77 inches Sfc-500 mean rel hum: 58.05 % Est. max temperature: 20.71 C = 69.28 F Sfc-Lift cond lev (LCL): 862.76 mb = 1402.57 m = 4601.57 ft T: 13.57 C 700-500 lapse rate: 6.79 C/km ThetaE index: 6.97 C Layer 850.0- 754.0 mb Conv cond level (CCL): 769.38 mb = 2358.14 m = 7736.59 ft Mean mixing ratio: 8.18 g/kg Conv temperature: 20.28 C = 68.51 F Cap Strength: 2.17 C Lifted Index: 0.10 C Risk: Showers probable Lifted Index @300 mb: 3.13 C Lifted Index @700 mb: 1.62 C Showalter Index: 0.19 C Risk: Thunderstorms probable Total Totals Index: 50.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 22.50 C K Index: 26.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 176.00 Risk: None Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 26.35 J/kg Max Up Vert Vel: 7.26 m/s Conv Inhibition (B-): 99.06 J/kg Cap Strength: 2.00 C Lift Cond Lev (LCL): 799.20 mb = 2041.98 m = 6699.32 ft Lev Free Conv (LFC): 624.20 mb = 4050.05 m = 13287.41 ft Equ Level (EL): 584.20 mb = 4570.97 m = 14996.45 ft B at Equ Level: 25.57 J/kg Max Parcel Lev (MPL): 454.20 mb = 6492.01 m = 21298.99 ft Wind level data Storm motion: 276 at 20 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 ---------------------------------------------------------- 0 905 997 155 7 -3.0 6.3 | 110 25 -23.1 8.4 1 850 1529 190 14 2.4 13.8 | 132 24 -17.7 15.8 2 700 3134 245 30 27.2 12.7 | 206 16 7.1 14.7 3 500 5770 255 32 30.9 8.3 | 226 15 10.8 10.3 4 400 7430 260 29 28.6 5.0 | 230 11 8.4 7.1 5 300 9450 270 38 38.0 -0.0 | 264 18 17.9 2.0 6 250 10650 270 46 46.0 -0.0 | 266 26 25.9 2.0 7 231 11157 260 48 47.3 8.3 | 249 29 27.2 10.4 8 200 12070 260 56 55.1 9.7 | 251 37 35.0 11.8 9 165 13294 265 65 64.8 5.7 | 260 45 44.6 7.7 10 150 13900 265 58 57.8 5.1 | 259 38 37.7 7.1 11 100 16410 275 50 49.8 -4.4 | 274 30 29.7 -2.3 12 70 18600 245 34 30.8 14.4 | 213 20 10.7 16.4 13 50 20690 260 36 35.5 6.3 | 242 17 15.3 8.3 14 30 23890 270 31 31.0 -0.0 | 259 11 10.9 2.0 15 20 26490 230 22 16.9 14.1 | 169 16 -3.3 16.2 16 10 31050 280 24 23.6 -4.2 | 301 4 3.5 -2.1 Wind Parameters Mean winds (0-6000m): 245.8 at 27.0 knts Storm direction: 275.8 at 20.2 knts Shear (0-3000m) pos: 5.5 neg: 0.0 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 102.1 deg Storm rel helicity (0-3000m) pos: 204.0 neg: 0.0 tot: 204.0 m^2/s^2 ave: 68.0 10^-3 m/s^2 rel: 0.97 Storm rel vorticity (0-3000m) horiz: 6.5 stream: 6.3 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.32 Bulk Shear: 82.87 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 ------------------------------------------------------------------------------- 500 178 10 121 24| 8.8 0.0 8.8| 56.9 0.0 56.9 113.8 0.99| 9.1 9.0 1000 190 13 130 23| 7.9 0.0 7.9| 99.7 0.0 99.7 99.7 0.98| 8.3 8.1 1500 203 16 140 22| 7.6 0.0 7.6|142.1 0.0 142.1 94.7 0.97| 8.3 8.0 2000 218 18 152 19| 7.4 0.0 7.4|184.6 0.0 184.6 92.3 0.96| 8.6 8.3 2500 227 21 163 17| 6.4 0.0 6.4|199.6 0.0 199.6 79.8 0.97| 7.6 7.3 3000 232 22 171 16| 5.5 0.0 5.5|204.0 0.0 204.0 68.0 0.97| 6.5 6.3 4000 238 25 183 15| 4.2 0.0 4.2|212.7 0.0 212.7 53.2 0.97| 5.2 5.0 5000 243 26 193 14| 3.5 0.0 3.5|220.0 0.0 220.0 44.0 0.96| 4.4 4.2 6000 246 27 199 14| 2.8 0.0 2.8|221.8 0.0 221.8 37.0 0.92| 3.8 3.5 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251023.00.gif