UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 30 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 107 1 925 756 SFC 899 997 10.0 8.8 92 1.2 9.3 130 3 291.9 293.3 286.9 314.5 7.93 3 898 1006 10.0 8.8 92 1.2 9.3 129 3 292.0 293.4 286.9 314.7 7.94 4 879 1183 10.6 5.7 72 4.9 7.9 106 4 294.4 295.6 286.5 313.4 6.54 5 858 1382 9.2 3.2 66 6.0 6.1 80 5 295.0 296.0 285.8 311.4 5.62 6 850 1459 9.2 4.2 71 5.0 6.5 70 6 295.8 296.9 286.6 313.6 6.09 7 841 1547 9.0 3.0 66 6.0 5.8 71 6 296.5 297.5 286.4 313.1 5.65 8 798 1981 5.8 1.4 73 4.4 3.6 78 8 297.5 298.5 286.5 313.2 5.31 9 700 3045 -0.3 -6.3 64 6.0 -2.9 95 13 302.2 302.8 286.2 312.6 3.41 10 666 3442 -2.9 -9.9 58 7.0 -5.6 107 14 303.6 304.1 286.0 312.0 2.70 11 653 3599 -3.9 -14.9 42 11.0 -7.6 112 14 304.2 304.5 285.3 310.0 1.84 12 642 3733 -3.1 -20.1 26 17.0 -8.2 116 14 306.5 306.8 285.5 310.5 1.21 13 633 3845 -3.9 -24.9 18 21.0 -9.5 119 14 306.9 307.0 285.1 309.5 0.80 14 620 4009 -5.3 -25.3 19 20.0 -10.5 124 15 307.1 307.2 285.2 309.7 0.79 15 596 4318 -8.3 -26.3 22 18.0 -12.6 133 15 307.1 307.2 285.2 309.6 0.75 16 500 5660 -17.7 -38.7 14 21.0 -20.8 175 18 311.5 311.5 286.2 312.4 0.27 17 400 7280 -30.7 -48.7 15 18.0 -32.1 225 40 315.1 315.1 287.2 315.5 0.11 18 393 7405 -31.7 -48.7 17 17.0 -33.0 227 43 315.4 315.4 287.3 315.8 0.12 19 373 7771 -35.3 -48.3 25 13.0 -36.2 231 52 315.4 315.4 287.3 315.8 0.13 20 338 8450 -40.7 -54.7 21 14.0 -41.3 240 70 317.0 317.0 287.9 317.3 0.07 21 306 9119 -46.1 -61.1 17 15.0 -46.5 236 62 318.6 318.6 288.3 318.7 0.03 22 300 9250 -46.9 -61.9 16 15.0 -47.3 235 60 319.3 319.3 288.5 319.4 0.03 23 254 10338 -55.3 230 41 322.4 24 250 10440 -55.5 230 38 323.6 25 242 10648 -55.3 230 38 326.9 26 200 11860 -57.1 230 38 342.3 27 172 12816 -56.7 235 34 358.1 28 157 13398 -54.1 238 31 372.0 29 150 13690 -54.9 240 30 375.5 30 106 15900 -56.7 240 37 411.3 31 100 16270 -56.5 240 38 418.6 32 72 18343 -58.5 235 27 455.5 33 70 18520 -59.5 235 26 457.1 34 62 19281 -57.3 226 22 478.1 35 50 20630 -59.3 210 14 503.7 36 49 20757 -58.9 210 14 507.6 37 36 22702 -57.1 213 9 559.1 38 30 23860 -55.9 215 6 592.2 39 23 25557 -54.7 258 8 642.5 40 20 26450 -55.3 280 9 666.9 41 15 28307 -51.9 251 11 735.4 42 11 30357 -44.5 220 14 830.5 43 10 31000 -41.9 210 15 863.1 44 9.7 31207 -41.3 873.0 TRP 254 10338 -55.3 230 41 322.4 WND 338 8450 -40.7 -54.7 21 14.0 -41.3 240 70 317.0 317.0 287.9 317.3 0.07 Sounding variables and indices 1000-500 mb thick: 5553.00 m Freezing level: 704.82 mb = 2992.67 m = 9818.36 ft Wetbulb zero: 743.35 mb = 2557.03 m = 8389.10 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 45.70 % Est. max temperature: 17.64 C = 63.76 F Sfc-Lift cond lev (LCL): 882.91 mb = 1146.05 m = 3759.98 ft T: 10.48 C 700-500 lapse rate: 6.65 C/km ThetaE index: 3.26 C Layer 879.0- 850.0 mb Conv cond level (CCL): 734.64 mb = 2652.73 m = 8703.09 ft Mean mixing ratio: 6.01 g/kg Conv temperature: 18.30 C = 64.95 F Cap Strength: 3.79 C Lifted Index: 2.67 C Risk: None Lifted Index @300 mb: 4.64 C Lifted Index @700 mb: 2.32 C Showalter Index: 2.38 C Risk: Showers probable Total Totals Index: 48.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 21.90 C K Index: 25.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 80.40 Risk: None Energy Index: -0.14 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 21.55 J/kg Max Up Vert Vel: 6.57 m/s Conv Inhibition (B-): 48034.57 J/kg Cap Strength: 3.76 C Lift Cond Lev (LCL): 787.67 mb = 2086.79 m = 6846.34 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 190 at 12 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 ---------------------------------------------------------- 0 899 997 130 3 -2.3 1.9 | 24 11 -4.4 -9.8 1 850 1459 70 6 -5.6 -2.1 | 29 16 -7.7 -13.8 2 700 3045 95 13 -13.0 1.1 | 55 18 -15.0 -10.6 3 500 5660 175 18 -1.6 17.9 | 150 7 -3.6 6.2 4 400 7280 225 40 28.3 28.3 | 238 31 26.2 16.5 5 338 8450 240 70 60.6 35.0 | 248 63 58.6 23.3 6 300 9250 235 60 49.1 34.4 | 244 52 47.1 22.7 7 254 10338 230 41 31.4 26.4 | 244 33 29.3 14.6 8 250 10440 230 38 29.1 24.4 | 245 30 27.0 12.7 9 200 11860 230 38 29.1 24.4 | 245 30 27.0 12.7 10 150 13690 240 30 26.0 15.0 | 262 24 23.9 3.3 11 100 16270 240 38 32.9 19.0 | 257 32 30.8 7.3 12 70 18520 235 26 21.3 14.9 | 261 19 19.2 3.2 13 50 20630 210 14 7.0 12.1 | 266 5 4.9 0.4 14 30 23860 215 6 3.4 4.9 | 349 7 1.4 -6.8 15 20 26450 280 9 8.9 -1.6 | 333 15 6.8 -13.3 16 10 31000 210 15 7.5 13.0 | 257 6 5.4 1.2 Wind Parameters Mean winds (0-6000m): 160.0 at 15.9 knts Storm direction: 190.0 at 11.9 knts Shear (0-3000m) pos: 2.1 neg: 0.9 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 52.6 deg Storm rel helicity (0-3000m) pos: 66.9 neg: -1.3 tot: 65.6 m^2/s^2 ave: 21.9 10^-3 m/s^2 rel: 0.72 Storm rel vorticity (0-3000m) horiz: 3.6 stream: 2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.71 Bulk Shear: 30.53 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 87 5 29 14| 0.0 5.5 5.5| 4.4 -1.3 3.1 6.2 0.19| 5.8 1.1 1000 80 6 32 15| 1.2 2.7 4.0| 13.9 -1.3 12.6 12.6 0.41| 4.1 1.7 1500 82 7 36 16| 1.7 1.8 3.5| 25.1 -1.3 23.8 15.9 0.54| 3.6 2.0 2000 87 8 40 16| 1.9 1.4 3.3| 37.8 -1.3 36.5 18.2 0.63| 3.4 2.2 2500 91 9 44 16| 2.0 1.1 3.1| 52.9 -1.3 51.6 20.7 0.69| 3.5 2.4 3000 97 10 49 16| 2.1 0.9 3.0| 66.9 -1.3 65.6 21.9 0.72| 3.6 2.6 4000 113 12 60 15| 2.2 0.7 2.9| 89.9 -1.3 88.6 22.2 0.75| 3.8 2.8 5000 132 13 75 12| 2.7 0.5 3.2|113.2 -1.3 112.0 22.4 0.78| 4.3 3.3 6000 160 16 113 8| 3.5 0.5 4.0|182.0 -1.3 180.7 30.1 0.75| 5.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250430.00.gif