UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 20 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 112 1 925 761 SFC 899 997 10.2 5.2 71 5.0 7.5 230 2 292.1 293.2 285.2 309.9 6.17 3 869 1280 9.8 1.8 57 8.0 5.8 278 7 294.5 295.4 285.0 309.2 5.01 4 850 1464 8.6 1.6 61 7.0 5.1 310 10 295.2 296.1 285.3 310.0 5.05 5 787 2099 6.4 0.4 65 6.0 3.4 290 16 299.4 300.3 286.8 314.3 5.01 6 775 2225 5.2 0.2 70 5.0 2.7 286 17 299.4 300.3 286.9 314.4 5.01 7 745 2547 4.0 -3.0 60 7.0 0.7 276 20 301.5 302.2 286.7 314.0 4.11 8 744 2558 4.2 -3.8 56 8.0 0.5 276 20 301.8 302.5 286.6 313.6 3.88 9 738 2624 3.4 -5.6 52 9.0 -0.6 274 20 301.7 302.3 286.1 312.1 3.41 10 717 2859 4.0 -18.0 18 22.0 -3.4 266 22 304.8 305.1 284.9 309.0 1.29 11 703 3019 3.8 -18.2 18 22.0 -3.6 261 24 306.3 306.6 285.5 310.5 1.30 12 700 3054 3.6 -18.4 18 22.0 -3.8 260 24 306.5 306.7 285.5 310.6 1.28 13 680 3289 2.8 -20.2 17 23.0 -4.6 260 25 308.1 308.3 286.0 311.9 1.13 14 602 4263 -4.1 -24.1 19 20.0 -9.6 260 27 311.1 311.2 286.8 314.1 0.90 15 500 5700 -14.7 -37.7 12 23.0 -18.6 260 30 315.1 315.2 287.5 316.2 0.30 16 400 7350 -26.9 -46.9 13 20.0 -28.9 265 37 320.0 320.1 288.9 320.6 0.14 17 385 7625 -29.7 -41.7 30 12.0 -31.0 265 37 319.9 319.9 289.0 320.8 0.26 18 360 8102 -33.3 -38.3 61 5.0 -33.8 265 38 321.2 321.3 289.6 322.7 0.39 19 300 9360 -43.3 -47.9 60 4.6 -43.6 265 40 324.3 324.4 290.3 325.0 0.17 20 262 10255 -51.3 -56.3 55 5.0 -51.4 270 40 325.4 325.4 290.5 325.7 0.07 21 254 10457 -50.1 -55.1 55 5.0 -50.3 270 44 330.1 330.1 291.8 330.4 0.09 22 250 10560 -50.5 -56.5 49 6.0 -50.7 270 46 331.0 331.0 292.0 331.3 0.07 23 243 10744 -50.1 -57.1 43 7.0 -50.3 271 45 334.3 334.3 292.9 334.6 0.07 24 200 12010 -50.3 -62.3 23 12.0 -50.7 275 42 353.1 353.1 297.3 353.3 0.04 25 167 13192 -50.1 288 47 372.1 26 150 13890 -53.7 295 50 377.5 27 117 15448 -63.1 289 44 388.0 28 108 15938 -63.5 287 42 396.2 29 100 16410 -63.1 285 40 405.8 30 70 18590 -66.3 260 8 442.5 31 68 18766 -64.3 263 9 450.5 32 58 19739 -64.3 277 11 471.5 33 51 20528 -63.1 288 14 492.0 34 50 20650 -61.1 290 14 499.5 35 35 22869 -59.5 21 13 557.3 36 30 23830 -60.7 60 13 579.2 37 28 24260 -58.7 63 15 596.3 38 20 26380 -56.1 75 26 664.5 39 16 27811 -53.9 52 25 715.4 40 11 30244 -50.1 15 23 810.1 41 10 30870 -48.3 5 23 839.3 42 8.6 31873 -43.9 893.4 43 7.5 32796 -41.7 938.0 44 6.2 34106 -34.9 1019.6 45 5.9 34452 -34.7 1035.0 TRP 262 10255 -51.3 -56.3 55 5.0 -51.4 270 40 325.4 325.4 290.5 325.7 0.07 WND Sounding variables and indices 1000-500 mb thick: 5588.00 m Freezing level: 648.35 mb = 3684.47 m = 12088.01 ft Wetbulb zero: 741.22 mb = 2588.55 m = 8492.50 ft Precipitable water: 0.44 inches Sfc-500 mean rel hum: 33.37 % Est. max temperature: 19.03 C = 66.25 F Sfc-Lift cond lev (LCL): 833.23 mb = 1628.34 m = 5342.27 ft T: 8.03 C 700-500 lapse rate: 6.92 C/km ThetaE index: 5.36 C Layer 745.0- 703.0 mb Conv cond level (CCL): 620.89 mb = 4016.31 m = 13176.72 ft Mean mixing ratio: 5.20 g/kg Conv temperature: 27.89 C = 82.20 F Cap Strength: 8.00 C Lifted Index: 7.16 C Risk: None Lifted Index @300 mb: 9.88 C Lifted Index @700 mb: 7.39 C Showalter Index: 7.60 C Risk: None Total Totals Index: 39.60 C Risk: None Vertical Totals Index: 23.30 C Cross Totals Index: 16.30 C K Index: 2.90 Risk: None Sweat Index: 69.20 Risk: None Energy Index: 1.44 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.96 J/kg Max Up Vert Vel: 6.92 m/s Conv Inhibition (B-): 52844.70 J/kg Cap Strength: 7.97 C Lift Cond Lev (LCL): 764.83 mb = 2332.76 m = 7653.31 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 294 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 ---------------------------------------------------------- 0 899 997 230 2 1.5 1.3 | 120 17 -15.1 8.6 1 850 1464 310 10 7.7 -6.4 | 95 9 -9.0 0.8 2 700 3054 260 24 23.6 4.2 | 212 13 7.0 11.4 3 500 5700 260 30 29.5 5.2 | 226 18 12.9 12.5 4 400 7350 265 37 36.9 3.2 | 243 23 20.2 10.5 5 300 9360 265 40 39.8 3.5 | 245 26 23.2 10.8 6 262 10255 270 40 40.0 -0.0 | 253 24 23.4 7.3 7 250 10560 270 46 46.0 -0.0 | 256 30 29.4 7.3 8 200 12010 275 42 41.8 -3.7 | 262 25 25.2 3.6 9 150 13890 295 50 45.3 -21.1 | 296 32 28.7 -13.9 10 100 16410 285 40 38.6 -10.4 | 278 22 22.0 -3.1 11 70 18590 260 8 7.9 1.4 | 135 12 -8.7 8.7 12 50 20650 290 14 13.2 -4.8 | 126 4 -3.5 2.5 13 30 23830 60 13 -11.3 -6.5 | 92 28 -27.9 0.8 14 20 26380 75 26 -25.1 -6.7 | 91 42 -41.7 0.5 15 10 30870 5 23 -2.0 -22.9 | 50 24 -18.6 -15.6 Wind Parameters Mean winds (0-6000m): 263.6 at 24.2 knts Storm direction: 293.6 at 18.1 knts Shear (0-3000m) pos: 1.7 neg: 3.6 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 98.1 deg Storm rel helicity (0-3000m) pos: 19.4 neg: -14.0 tot: 5.4 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 5.9 stream: 0.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.47 Bulk Shear: 50.46 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 ------------------------------------------------------------------------------- 500 300 6 110 12| 10.4 0.0 10.4| 6.3 -13.5 -7.2 -14.4 -0.31| 12.1 -3.8 1000 300 9 107 9| 5.2 2.9 8.0| 8.4 -13.5 -5.1 -5.1 -0.11| 8.9 -1.0 1500 290 12 120 6| 3.5 4.0 7.5| 12.6 -13.5 -0.9 -0.6 0.12| 8.2 1.0 2000 278 14 155 6| 2.6 4.7 7.3| 14.0 -13.9 0.1 0.1 0.12| 8.0 0.9 2500 272 16 176 7| 2.1 4.1 6.2| 16.4 -14.0 2.4 1.0 0.13| 6.8 0.9 3000 269 18 188 8| 1.7 3.6 5.3| 19.4 -14.0 5.4 1.8 0.15| 5.9 0.9 4000 266 20 202 9| 1.3 3.0 4.3| 25.4 -14.0 11.5 2.9 0.18| 4.7 0.8 5000 264 22 210 11| 1.2 2.5 3.7| 35.0 -14.0 21.0 4.2 0.22| 4.0 0.9 6000 264 24 217 12| 1.3 2.1 3.4| 53.9 -14.0 39.9 6.6 0.27| 3.8 1.0 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250420.00.gif