UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for LTBM... Searching the city database file for: LTBM ... Date:1200Z 17 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 143 1 925 826 SFC 907 997 25.4 -0.6 18 26.0 11.4 320 7 307.0 307.8 288.6 319.5 4.03 3 850 1561 19.6 0.6 28 19.0 9.3 345 5 306.7 307.6 289.1 321.2 4.70 4 762 2485 10.4 -6.6 30 17.0 2.7 5 11 306.5 307.0 287.4 316.1 3.06 5 715 3011 6.4 -6.6 39 13.0 0.5 16 14 307.7 308.3 288.1 317.9 3.26 6 700 3185 5.8 -9.2 33 15.0 -0.6 20 15 308.9 309.4 287.9 317.6 2.72 7 602 4400 -2.3 -17.3 31 15.0 -7.4 13 18 313.2 313.5 288.3 318.6 1.63 8 568 4857 -6.3 -19.3 35 13.0 -10.4 11 19 313.7 314.0 288.3 318.6 1.46 9 500 5840 -13.9 -29.9 25 16.0 -17.3 5 21 316.1 316.2 288.2 318.3 0.64 10 404 7428 -25.3 -49.3 9 24.0 -27.6 355 30 321.2 321.2 289.2 321.6 0.11 11 400 7500 -26.1 -50.1 9 24.0 -28.3 355 30 321.1 321.1 289.2 321.4 0.10 12 300 9510 -42.7 -60.7 12 18.0 -43.3 335 29 325.2 325.2 290.3 325.3 0.04 13 252 10659 -52.7 340 25 327.0 14 250 10710 -52.9 345 22 327.4 15 245 10840 -52.3 338 23 330.2 16 203 12045 -56.3 275 33 342.1 17 200 12140 -55.5 270 34 344.9 18 167 13306 -51.3 257 30 370.1 19 150 14000 -55.5 250 28 374.5 20 117 15554 -61.7 235 21 390.6 21 100 16510 -67.5 225 16 397.3 22 92 17010 -68.3 230 15 405.3 23 70 18660 -65.3 245 12 444.7 24 61 19500 -65.7 315 11 461.6 25 56 20021 -66.7 358 11 470.8 26 50 20710 -65.7 55 10 488.7 27 45 21355 -64.1 82 10 507.5 28 30 23890 -56.7 185 10 590.1 29 25 25039 -59.3 614.2 TRP 252 10659 -52.7 340 25 327.0 WND Sounding variables and indices 1000-500 mb thick: 5697.00 m Freezing level: 629.83 mb = 4054.69 m = 13302.63 ft Wetbulb zero: 708.00 mb = 3091.92 m = 10143.96 ft Precipitable water: 0.47 inches Sfc-500 mean rel hum: 30.34 % Est. max temperature: 25.01 C = 77.02 F Sfc-Lift cond lev (LCL): 616.72 mb = 4204.97 m = 13795.68 ft T: -1.00 C 700-500 lapse rate: 7.42 C/km ThetaE index: 5.11 C Layer 762.0- 715.0 mb Conv cond level (CCL): 571.59 mb = 4807.86 m = 15773.63 ft Mean mixing ratio: 4.32 g/kg Conv temperature: 31.86 C = 89.35 F Cap Strength: 4.59 C Lifted Index: 2.43 C Risk: None Lifted Index @300 mb: 4.10 C Lifted Index @700 mb: 1.94 C Showalter Index: 1.84 C Risk: Showers probable Total Totals Index: 48.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 33.50 C Cross Totals Index: 14.50 C K Index: 19.10 Risk: < 20 % chance of thunderstorms Sweat Index: 38.20 Risk: None Energy Index: -0.49 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.27 J/kg Max Up Vert Vel: 3.25 m/s Conv Inhibition (B-): 32668.08 J/kg Cap Strength: 4.59 C Lift Cond Lev (LCL): 627.71 mb = 4062.83 m = 13329.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 37 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 ---------------------------------------------------------- 0 907 997 320 7 4.5 -5.4 | 250 13 11.8 4.3 1 850 1561 345 5 1.3 -4.8 | 241 10 8.6 4.8 2 700 3185 20 15 -5.1 -14.1 | 334 5 2.1 -4.4 3 500 5840 5 21 -1.8 -20.9 | 334 13 5.4 -11.3 4 400 7500 355 30 2.6 -29.9 | 334 23 9.9 -20.2 5 300 9510 335 29 12.3 -26.3 | 310 26 19.5 -16.6 6 252 10659 340 25 8.6 -23.5 | 311 21 15.8 -13.8 7 250 10710 345 22 5.7 -21.3 | 312 17 13.0 -11.6 8 200 12140 270 34 34.0 -0.0 | 257 42 41.3 9.7 9 150 14000 250 28 26.3 9.6 | 240 39 33.6 19.2 10 100 16510 225 16 11.3 11.3 | 222 28 18.6 21.0 11 70 18660 245 12 10.9 5.1 | 231 23 18.1 14.7 12 50 20710 55 10 -8.2 -5.7 | 167 4 -0.9 3.9 13 30 23890 185 10 0.9 10.0 | 203 21 8.1 19.6 Wind Parameters Mean winds (0-6000m): 6.9 at 16.1 knts Storm direction: 36.9 at 12.1 knts Shear (0-3000m) pos: 2.3 neg: 0.2 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 87.1 deg Storm rel helicity (0-3000m) pos: 18.8 neg: -4.5 tot: 14.3 m^2/s^2 ave: 4.8 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 2.9 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.28 Bulk Shear: 18.74 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 ------------------------------------------------------------------------------- 500 329 6 247 11| 3.0 0.0 3.0| 0.0 -4.3 -4.3 -8.6 -0.50| 3.0 -1.5 1000 339 6 248 10| 2.3 0.0 2.3| 5.3 -4.5 0.8 0.8 0.11| 3.1 0.3 1500 350 7 253 9| 2.6 0.0 2.6| 11.1 -4.5 6.6 4.4 0.39| 3.2 1.3 2000 1 8 261 7| 3.0 0.0 3.0| 16.4 -4.5 11.9 5.9 0.54| 3.4 1.9 2500 8 10 270 6| 2.8 0.0 2.8| 18.6 -4.5 14.1 5.6 0.57| 3.2 1.8 3000 10 11 280 5| 2.3 0.2 2.5| 18.8 -4.5 14.3 4.8 0.53| 2.9 1.6 4000 11 13 300 6| 1.7 0.5 2.3| 18.8 -4.8 14.0 3.5 0.45| 2.6 1.1 5000 9 14 312 7| 1.4 0.8 2.2| 19.1 -5.9 13.2 2.6 0.37| 2.4 0.9 6000 7 16 320 8| 1.1 1.2 2.3| 19.7 -6.6 13.2 2.2 0.30| 2.5 0.7 Wrote GIF file: /home/apache/climate/data/raob//LTBM/skewt/LTBM.skewt.20250417.12.gif