UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:0000Z 28 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 151 1 925 798 SFC 903 997 9.4 6.5 82 2.9 7.8 350 1 290.9 292.1 285.4 310.1 6.73 3 891 1109 12.0 7.2 72 4.8 9.3 5 5 294.7 296.0 287.2 315.5 7.16 4 850 1502 9.4 4.4 71 5.0 6.7 60 17 296.0 297.1 286.8 314.0 6.17 5 783 2179 5.8 1.2 72 4.6 3.5 92 12 299.2 300.1 287.1 315.0 5.33 6 706 3020 0.4 -8.6 51 9.0 -3.3 132 6 302.2 302.7 285.7 310.9 2.83 7 700 3088 -0.3 -9.3 51 9.0 -3.8 135 6 302.2 302.6 285.5 310.5 2.70 8 588 4456 -9.9 -12.3 83 2.4 -10.8 187 13 306.4 306.9 286.9 314.4 2.53 9 543 5066 -13.5 -20.5 56 7.0 -15.4 210 16 309.2 309.5 286.6 313.7 1.38 10 500 5690 -16.1 -38.1 13 22.0 -19.6 235 19 313.4 313.5 286.9 314.4 0.29 11 487 5888 -18.5 -37.5 17 19.0 -21.4 234 20 312.8 312.9 286.7 313.9 0.31 12 419 6996 -27.3 -39.3 31 12.0 -28.7 227 23 315.3 315.4 287.5 316.4 0.30 13 415 7065 -27.9 -35.9 46 8.0 -29.0 227 23 315.4 315.5 287.7 316.9 0.43 14 400 7330 -29.1 -34.0 63 4.9 -29.8 225 24 317.2 317.3 288.5 319.1 0.54 15 339 8485 -39.3 -42.8 69 3.5 -39.6 239 24 318.6 318.7 288.6 319.6 0.26 16 300 9310 -45.1 -49.4 62 4.3 -45.3 250 24 321.8 321.8 289.5 322.3 0.14 17 250 10500 -55.5 -60.5 54 5.0 -55.6 230 28 323.6 323.6 289.9 323.7 0.04 18 247 10577 -56.1 -60.9 55 4.8 -56.2 235 29 323.8 323.8 289.9 323.9 0.04 19 237 10840 -55.1 -60.1 54 5.0 -55.2 237 28 329.1 329.1 291.5 329.3 0.05 20 200 11920 -55.9 -62.9 41 7.0 -56.1 245 25 344.2 344.3 295.4 344.4 0.04 21 159 13377 -55.7 229 27 367.9 22 150 13750 -53.1 225 28 378.6 23 126 14869 -54.9 234 26 394.7 24 100 16330 -59.5 245 23 412.8 25 84 17417 -60.9 238 22 431.0 26 70 18550 -60.7 230 20 454.5 27 51 20536 -59.1 225 23 501.4 28 50 20660 -60.1 225 23 501.9 29 38 22387 -55.7 255 15 554.0 30 30 23890 -55.9 280 8 592.2 31 22 25874 -54.1 246 14 652.5 32 20 26490 -51.7 235 16 677.9 33 17 27546 -52.1 244 17 708.9 34 12 29822 -49.1 264 19 793.8 35 10 31030 -45.5 275 20 849.7 36 8.9 31815 -41.1 895.5 37 7.4 33078 -37.9 957.0 38 6.2 34309 -33.1 1027.3 TRP 247 10577 -56.1 -60.9 55 4.8 -56.2 235 29 323.8 323.8 289.9 323.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5539.00 m Freezing level: 702.57 mb = 3058.65 m = 10034.80 ft Wetbulb zero: 743.27 mb = 2601.99 m = 8536.60 ft Precipitable water: 0.62 inches Sfc-500 mean rel hum: 62.65 % Est. max temperature: 18.53 C = 65.35 F Sfc-Lift cond lev (LCL): 864.04 mb = 1365.26 m = 4479.15 ft T: 10.30 C 700-500 lapse rate: 6.07 C/km ThetaE index: 4.54 C Layer 706.0- 588.0 mb Conv cond level (CCL): 737.88 mb = 2661.03 m = 8730.29 ft Mean mixing ratio: 6.32 g/kg Conv temperature: 19.11 C = 66.39 F Cap Strength: 2.62 C Lifted Index: 3.54 C Risk: None Lifted Index @300 mb: 5.59 C Lifted Index @700 mb: 1.73 C Showalter Index: 3.74 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.50 C Cross Totals Index: 20.50 C K Index: 20.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 105.80 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.83 J/kg Max Up Vert Vel: 6.14 m/s Conv Inhibition (B-): 56445.36 J/kg Cap Strength: 3.43 C Lift Cond Lev (LCL): 792.50 mb = 2079.83 m = 6823.51 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 240 at 10 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 ---------------------------------------------------------- 0 903 997 350 1 0.2 -1.0 | 55 11 -8.9 -6.1 1 850 1502 60 17 -14.7 -8.5 | 60 27 -23.8 -13.7 2 700 3088 135 6 -4.2 4.2 | 86 13 -13.3 -0.9 3 500 5690 235 19 15.6 10.9 | 229 9 6.5 5.7 4 400 7330 225 24 17.0 17.0 | 214 14 7.9 11.8 5 300 9310 250 24 22.6 8.2 | 257 14 13.5 3.1 6 250 10500 230 28 21.4 18.0 | 224 18 12.4 12.8 7 247 10577 235 29 23.8 16.6 | 232 19 14.7 11.5 8 200 11920 245 25 22.7 10.6 | 248 15 13.6 5.4 9 150 13750 225 28 19.8 19.8 | 216 18 10.7 14.6 10 100 16330 245 23 20.8 9.7 | 249 13 11.8 4.6 11 70 18550 230 20 15.3 12.9 | 219 10 6.3 7.7 12 50 20660 225 23 16.3 16.3 | 213 13 7.2 11.1 13 30 23890 280 8 7.9 -1.4 | 10 7 -1.2 -6.5 14 20 26490 235 16 13.1 9.2 | 225 6 4.0 4.0 15 10 31030 275 20 19.9 -1.7 | 302 13 10.9 -6.9 Wind Parameters Mean winds (0-6000m): 210.4 at 13.9 knts Storm direction: 240.4 at 10.4 knts Shear (0-3000m) pos: 2.0 neg: 0.0 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 60.2 deg Storm rel helicity (0-3000m) pos: 131.4 neg: -9.3 tot: 122.1 m^2/s^2 ave: 40.7 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 3.7 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.29 Bulk Shear: 65.44 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 57 9 59 19| 17.0 0.0 17.0| 41.4 -8.9 32.5 65.0 0.21| 20.2 4.2 1000 65 12 63 22| 7.0 0.0 7.0| 83.1 -8.9 74.2 74.2 0.38| 13.8 5.2 1500 72 12 67 22| 3.6 0.0 3.6|104.1 -8.9 95.2 63.4 0.42| 11.3 4.8 2000 73 11 67 21| 1.9 0.0 1.9|108.9 -9.0 99.8 49.9 0.39| 9.7 3.8 2500 80 10 70 20| 1.9 0.0 1.9|118.5 -9.3 109.2 43.7 0.43| 8.5 3.6 3000 92 10 76 20| 2.0 0.0 2.0|131.4 -9.3 122.1 40.7 0.47| 7.8 3.7 4000 126 11 94 18| 2.1 0.0 2.1|157.2 -9.3 147.9 37.0 0.56| 7.1 4.0 5000 186 12 132 11| 2.1 0.0 2.1|176.2 -10.5 165.7 33.1 0.60| 6.7 4.0 6000 210 14 163 7| 1.7 0.3 2.1|176.2 -15.8 160.4 26.7 0.54| 5.9 3.2 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250428.00.gif