UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110812.upa.cvt Date: 1200Z 8 NOV 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 8 NOV 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 157 1 925 825 SFC 907 997 18.2 10.2 60 8.0 13.3 130 12 299.6 301.2 290.3 325.0 8.64 3 850 1545 13.4 6.4 63 7.0 9.4 200 12 300.2 301.5 289.1 321.2 7.11 4 789 2167 7.8 0.8 61 7.0 4.2 208 12 300.7 301.6 287.5 316.1 5.14 5 716 2963 3.2 -3.8 60 7.0 -0.0 218 13 304.1 304.8 287.6 316.4 4.03 6 700 3146 2.2 -4.8 60 7.0 -1.0 220 13 304.9 305.6 287.6 316.7 3.82 7 654 3691 -0.9 -11.9 43 11.0 -5.1 226 14 307.4 307.8 287.1 314.9 2.35 8 651 3728 -0.7 -14.7 34 14.0 -5.7 226 14 308.0 308.4 286.8 314.1 1.88 9 650 3740 -0.3 -17.3 26 17.0 -6.1 227 14 308.6 308.9 286.6 313.6 1.51 10 639 3877 1.0 -43.0 2 44.0 -7.7 228 15 311.6 311.6 286.1 312.1 0.13 11 628 4016 0.0 -40.0 3 40.0 -8.2 230 15 312.0 312.1 286.3 312.7 0.19 12 611 4235 -2.1 -33.1 7 31.0 -9.3 232 15 312.1 312.1 286.5 313.4 0.38 13 500 5790 -14.7 -36.7 14 22.0 -18.5 250 19 315.1 315.2 287.5 316.3 0.33 14 468 6288 -17.7 -55.7 2 38.0 -21.5 246 19 317.4 317.4 287.9 317.6 0.04 15 427 6966 -24.1 -39.1 24 15.0 -26.1 239 18 317.7 317.7 288.3 318.8 0.30 16 402 7404 -26.7 -45.7 15 19.0 -28.6 235 18 319.8 319.9 288.9 320.4 0.16 17 400 7440 -27.3 -48.3 12 21.0 -29.2 235 18 319.5 319.5 288.7 320.0 0.12 18 370 8000 -30.9 -48.9 15 18.0 -32.4 236 21 321.9 322.0 289.5 322.4 0.12 19 348 8432 -35.5 -55.5 11 20.0 -36.6 237 23 321.4 321.4 289.2 321.6 0.06 20 318 9055 -40.9 -51.9 30 11.0 -41.5 239 26 322.3 322.3 289.6 322.7 0.10 21 300 9450 -44.5 -54.5 32 10.0 -44.9 240 28 322.6 322.7 289.6 322.9 0.08 22 250 10640 -53.3 -59.3 48 6.0 -53.4 255 31 326.8 326.8 290.9 327.0 0.05 23 241 10876 -54.5 -61.5 42 7.0 -54.6 253 33 328.5 328.5 291.3 328.6 0.04 24 239 10929 -54.9 -62.9 36 8.0 -55.1 253 34 328.6 328.7 291.4 328.8 0.03 25 200 12060 -58.5 245 45 340.1 26 167 13186 -61.9 255 51 352.5 27 150 13850 -62.9 265 53 361.7 28 148 13933 -58.7 266 69 370.4 29 142 14191 -60.4 270 118 371.8 30 124 15021 -65.9 256 84 376.5 31 122 15119 -65.1 255 80 379.7 32 105 16033 -63.9 240 42 398.7 33 100 16330 -65.1 235 30 401.9 34 77 17926 -64.3 253 29 434.8 35 70 18510 -63.5 260 29 448.5 36 50 20580 -61.7 260 34 498.1 37 43 21511 -63.3 264 37 516.1 38 30 23750 -58.7 275 43 584.6 39 25 24892 -59.1 271 49 614.8 40 22 25696 -57.3 267 54 643.0 41 20 26300 -55.5 265 57 666.3 42 17 27349 -51.5 266 67 710.8 43 13 29092 -52.3 268 84 764.7 44 10 30790 -52.9 270 100 822.1 45 6.8 33311 -47.1 942.1 46 5.5 34740 -39.1 1036.5 TRP 167 13186 -61.9 255 51 352.5 WND 142 14191 -60.4 270 118 371.8 Sounding variables and indices 1000-500 mb thick: 5633.00 m Freezing level: 667.35 mb = 3532.95 m = 11590.92 ft Freezing level: 647.46 mb = 3771.78 m = 12374.46 ft Freezing level: 628.00 mb = 4016.19 m = 13176.33 ft Wetbulb zero: 716.66 mb = 2955.06 m = 9694.98 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 37.00 % Est. max temperature: 20.64 C = 69.16 F Sfc-Lift cond lev (LCL): 805.06 mb = 1998.51 m = 6556.70 ft T: 9.32 C 700-500 lapse rate: 6.39 C/km ThetaE index: 8.94 C Layer 850.0- 716.0 mb Conv cond level (CCL): 736.82 mb = 2727.72 m = 8949.12 ft Mean mixing ratio: 7.22 g/kg Conv temperature: 21.56 C = 70.81 F Cap Strength: 4.20 C Lifted Index: 0.90 C Risk: Showers probable Lifted Index @300 mb: 1.42 C Lifted Index @700 mb: 1.18 C Showalter Index: 1.01 C Risk: Showers probable Total Totals Index: 49.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 21.10 C K Index: 27.50 Risk: 40-60 % chance of thunderstorms Sweat Index: 123.80 Risk: None Energy Index: -0.91 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.73 J/kg Max Up Vert Vel: 2.73 m/s Conv Inhibition (B-): 61227.49 J/kg Cap Strength: 4.20 C Lift Cond Lev (LCL): 768.33 mb = 2384.45 m = 7822.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 260 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 ---------------------------------------------------------- 0 907 997 130 12 -9.2 7.7 | 106 21 -20.5 5.8 1 850 1545 200 12 4.1 11.3 | 142 12 -7.2 9.4 2 700 3146 220 13 8.4 10.0 | 160 9 -3.0 8.0 3 500 5790 250 19 17.9 6.5 | 235 8 6.5 4.6 4 400 7440 235 18 14.7 10.3 | 202 9 3.4 8.4 5 300 9450 240 28 24.2 14.0 | 227 18 12.9 12.1 6 250 10640 255 31 29.9 8.0 | 252 20 18.6 6.1 7 200 12060 245 45 40.8 19.0 | 240 34 29.5 17.1 8 167 13186 255 51 49.3 13.2 | 253 40 37.9 11.3 9 150 13850 265 53 52.8 4.6 | 266 42 41.5 2.7 10 142 14191 270 118 118.0 -0.0 | 271 107 106.7 -1.9 11 100 16330 235 30 24.6 17.2 | 221 20 13.3 15.3 12 70 18510 260 29 28.6 5.0 | 260 18 17.2 3.1 13 50 20580 260 34 33.5 5.9 | 260 23 22.2 4.0 14 30 23750 275 43 42.8 -3.7 | 280 32 31.5 -5.7 15 20 26300 265 57 56.8 5.0 | 266 46 45.5 3.1 16 10 30790 270 100 100.0 -0.0 | 271 89 88.7 -1.9 Wind Parameters Mean winds (0-6000m): 230.4 at 15.3 knts Storm direction: 260.4 at 11.5 knts Shear (0-3000m) pos: 3.5 neg: 0.0 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 74.7 deg Storm rel helicity (0-3000m) pos: 64.8 neg: 0.0 tot: 64.8 m^2/s^2 ave: 21.6 10^-3 m/s^2 rel: 0.76 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 32.69 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 ------------------------------------------------------------------------------- 500 161 12 122 18| 13.1 0.0 13.1| 47.8 0.0 47.8 95.6 0.76| 13.7 10.5 1000 184 12 134 15| 7.7 0.0 7.7| 52.8 0.0 52.8 52.8 0.74| 8.2 6.0 1500 193 12 139 13| 5.5 0.0 5.5| 55.4 0.0 55.4 36.9 0.74| 5.9 4.4 2000 200 12 144 12| 4.5 0.0 4.5| 57.8 0.0 57.8 28.9 0.73| 4.8 3.5 2500 204 13 147 11| 3.9 0.0 3.9| 61.1 0.0 61.1 24.4 0.74| 4.2 3.1 3000 209 13 151 11| 3.5 0.0 3.5| 64.8 0.0 64.8 21.6 0.76| 3.8 2.9 4000 218 14 161 9| 3.1 0.0 3.1| 72.5 0.0 72.5 18.1 0.80| 3.4 2.7 5000 226 15 175 8| 2.7 0.0 2.7| 79.1 -1.3 77.8 15.6 0.78| 3.1 2.4 6000 230 15 183 8| 2.3 0.3 2.5| 79.1 -7.7 71.4 11.9 0.62| 2.8 1.8 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20251108.12.gif