UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 24 APR 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 69 1 925 723 SFC 895 997 12.2 9.3 82 2.9 10.5 190 6 294.5 296.0 288.2 318.3 8.24 3 850 1432 10.0 7.3 83 2.7 8.5 220 20 296.6 298.0 288.3 318.7 7.57 4 809 1840 5.8 4.2 89 1.6 4.9 215 22 296.4 297.5 287.1 315.1 6.40 5 729 2686 0.6 0.1 96 0.5 0.4 204 27 299.6 300.6 287.2 315.4 5.29 6 700 3011 -1.1 -2.2 92 1.1 -1.6 200 29 301.3 302.1 287.2 315.3 4.65 7 549 4918 -11.9 -13.7 86 1.8 -12.5 200 25 310.1 310.6 288.1 317.9 2.42 8 516 5392 -15.1 -17.6 81 2.5 -15.9 200 24 311.8 312.2 288.1 317.9 1.86 9 500 5630 -16.7 -19.0 82 2.3 -17.3 200 23 312.7 313.0 288.2 318.3 1.70 10 418 6953 -26.9 -31.1 68 4.2 -27.6 200 25 316.0 316.2 288.2 318.4 0.68 11 400 7270 -29.3 -33.4 68 4.1 -29.9 200 25 316.9 317.0 288.4 318.9 0.57 12 304 9162 -44.5 -49.5 57 5.0 -44.7 205 64 321.4 321.4 289.3 321.9 0.14 13 300 9250 -44.3 -49.3 57 5.0 -44.6 205 66 322.9 322.9 289.8 323.5 0.14 14 269 9977 -47.5 -53.5 50 6.0 -47.7 200 73 328.5 328.5 291.4 328.9 0.10 15 250 10460 -49.1 -55.1 50 6.0 -49.3 200 77 333.1 333.1 292.6 333.4 0.09 16 236 10840 -48.5 -54.5 50 6.0 -48.7 200 84 339.5 339.5 294.3 339.9 0.10 17 231 10981 -48.9 -54.6 51 5.7 -49.1 200 86 341.0 341.0 294.7 341.4 0.10 18 219 11332 -49.9 -54.9 56 5.0 -50.1 207 82 344.7 344.7 295.6 345.1 0.10 19 208 11671 -48.7 -53.7 56 5.0 -48.9 215 77 351.7 351.7 297.1 352.2 0.12 20 200 11930 -48.7 -53.7 56 5.0 -49.0 220 74 355.7 355.7 298.0 356.2 0.13 21 169 13037 -47.9 -58.9 27 11.0 -48.4 229 68 374.5 374.6 301.4 374.9 0.08 22 150 13820 -49.1 -63.1 18 14.0 -49.7 235 63 385.5 385.5 303.2 385.7 0.05 23 115 15537 -56.9 222 56 401.4 24 100 16420 -59.1 215 52 413.5 25 96 16676 -59.1 217 49 418.4 26 96 16676 -59.1 217 49 418.4 27 84 17509 -60.3 225 38 432.2 28 77 18053 -58.3 230 31 447.3 29 70 18650 -60.1 235 23 455.8 30 61 19508 -61.9 192 20 470.1 31 61 19508 -61.9 192 20 470.1 32 50 20750 -59.3 130 16 503.7 33 48 21005 -60.1 140 16 507.7 34 42 21840 -58.5 174 16 531.5 35 35 22996 -54.5 221 16 570.4 36 30 23980 -55.5 260 16 593.3 37 28 24419 -56.1 262 15 603.5 38 24 25401 -54.9 266 13 634.2 39 20 26570 -53.3 270 11 673.0 40 18 27252 -51.1 700.6 TRP 269 9977 -47.5 -53.5 50 6.0 -47.7 200 73 328.5 328.5 291.4 328.9 0.10 WND 231 10981 -48.9 -54.6 51 5.7 -49.1 200 86 341.0 341.0 294.7 341.4 0.10 Sounding variables and indices 1000-500 mb thick: 5561.00 m Freezing level: 718.76 mb = 2800.45 m = 9187.73 ft Wetbulb zero: 723.59 mb = 2745.27 m = 9006.67 ft Precipitable water: 0.81 inches Sfc-500 mean rel hum: 88.50 % Est. max temperature: 16.49 C = 61.68 F Sfc-Lift cond lev (LCL): 856.71 mb = 1365.73 m = 4480.69 ft T: 10.34 C 700-500 lapse rate: 5.96 C/km ThetaE index: 3.56 C Layer 809.0- 729.0 mb Conv cond level (CCL): 811.64 mb = 1813.33 m = 5949.18 ft Mean mixing ratio: 7.28 g/kg Conv temperature: 13.99 C = 57.19 F Cap Strength: 1.05 C Lifted Index: 1.21 C Risk: Showers probable Lifted Index @300 mb: 4.37 C Lifted Index @700 mb: -0.36 C Showalter Index: 0.45 C Risk: Thunderstorms probable Total Totals Index: 50.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 24.00 C K Index: 32.90 Risk: 60-80 % chance of thunderstorms Sweat Index: 184.60 Risk: None Energy Index: -0.13 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 29.32 J/kg Max Up Vert Vel: 7.66 m/s Conv Inhibition (B-): 4.99 J/kg Cap Strength: 1.17 C Lift Cond Lev (LCL): 814.87 mb = 1780.55 m = 5841.64 ft Lev Free Conv (LFC): 799.87 mb = 1932.40 m = 6339.82 ft Equ Level (EL): 619.87 mb = 3965.19 m = 13009.00 ft B at Equ Level: 28.94 J/kg Max Parcel Lev (MPL): 519.87 mb = 5334.58 m = 17501.70 ft Wind level data Storm motion: 233 at 18 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 ---------------------------------------------------------- 0 895 997 190 6 1.0 5.9 | 69 14 -13.4 -5.1 1 850 1432 220 20 12.9 15.3 | 160 5 -1.6 4.3 2 700 3011 200 29 9.9 27.3 | 164 17 -4.5 16.2 3 500 5630 200 23 7.9 21.6 | 148 12 -6.6 10.6 4 400 7270 200 25 8.6 23.5 | 155 14 -5.9 12.4 5 300 9250 205 66 27.9 59.8 | 195 51 13.5 48.8 6 269 9977 200 73 25.0 68.6 | 190 59 10.5 57.5 7 250 10460 200 77 26.3 72.4 | 191 62 11.9 61.3 8 231 10981 200 86 29.4 80.8 | 192 71 15.0 69.8 9 200 11930 220 74 47.6 56.7 | 216 56 33.1 45.6 10 150 13820 235 63 51.6 36.1 | 236 45 37.2 25.1 11 100 16420 215 52 29.8 42.6 | 206 35 15.4 31.5 12 70 18650 235 23 18.8 13.2 | 244 5 4.4 2.1 13 50 20750 130 16 -12.3 10.3 | 88 27 -26.7 -0.8 14 30 23980 260 16 15.8 2.8 | 351 8 1.3 -8.3 15 20 26570 270 11 11.0 -0.0 | 17 12 -3.4 -11.1 Wind Parameters Mean winds (0-6000m): 202.5 at 24.2 knts Storm direction: 232.5 at 18.2 knts Shear (0-3000m) pos: 2.6 neg: 1.7 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 90.5 deg Storm rel helicity (0-3000m) pos: 28.1 neg: -9.1 tot: 18.9 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.36 Storm rel vorticity (0-3000m) horiz: 5.2 stream: 1.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 1.83 Bulk Shear: 16.03 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 ------------------------------------------------------------------------------- 500 214 14 94 7| 15.9 0.0 15.9| 26.9 0.0 26.9 53.8 0.77| 16.5 12.7 1000 215 18 130 5| 7.9 1.9 9.8| 28.0 0.0 28.0 28.0 0.66| 10.1 6.7 1500 213 20 149 7| 5.3 2.6 7.9| 28.1 -0.5 27.6 18.4 0.54| 8.1 4.4 2000 209 22 155 9| 4.0 3.0 7.0| 28.1 -3.2 24.9 12.4 0.44| 7.2 3.1 2500 207 23 158 10| 3.2 2.2 5.4| 28.1 -6.2 21.9 8.8 0.40| 5.9 2.4 3000 206 24 159 11| 2.6 1.7 4.4| 28.1 -9.1 18.9 6.3 0.36| 5.2 1.8 4000 204 24 158 12| 2.0 1.1 3.1| 28.1 -15.0 13.0 3.3 0.28| 4.2 1.2 5000 203 24 156 12| 1.6 0.8 2.4| 29.0 -18.6 10.4 2.1 0.25| 3.5 0.9 6000 203 24 156 12| 1.3 0.7 2.1| 32.2 -18.6 13.6 2.3 0.26| 3.0 0.8 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250424.12.gif