UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for LT220... Searching the city database file for: LT220 ... Date:1200Z 1 MAY 25 Station: LT220 WMO ident: 17220 Latitude: 38.43 Longitude: 27.17 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1006 18 14.4 8.4 67 6.0 11.0 10 5 287.1 288.3 284.0 306.4 6.88 1 1000 68 14.0 7.0 63 7.0 10.2 250 5 287.1 288.2 283.3 304.9 6.29 2 962 397 11.6 6.6 71 5.0 8.9 330 8 287.9 289.0 283.7 305.9 6.36 3 925 727 10.2 6.8 79 3.4 8.3 50 12 289.7 290.9 284.9 308.8 6.71 4 902 937 11.0 7.9 81 3.1 9.2 68 11 292.7 294.0 286.7 313.9 7.43 5 859 1343 8.8 6.8 87 2.0 7.7 103 9 294.5 295.8 287.2 315.4 7.23 6 850 1430 8.6 6.3 85 2.3 7.3 110 9 295.2 296.4 287.3 315.6 7.06 7 708 2917 -0.7 -3.0 84 2.3 -1.7 86 14 300.7 301.5 286.6 313.8 4.33 8 700 3008 -1.7 -4.3 82 2.6 -2.9 85 14 300.6 301.3 286.2 312.6 3.97 9 675 3297 -2.9 -5.7 81 2.8 -4.1 84 15 302.4 303.1 286.6 313.7 3.70 10 585 4416 -9.5 -13.4 73 3.9 -10.8 80 17 307.3 307.8 287.0 314.7 2.32 11 577 4522 -9.7 -14.7 67 5.0 -11.3 79 17 308.3 308.7 287.1 315.1 2.12 12 527 5215 -14.9 -30.9 24 16.0 -18.0 77 19 310.2 310.3 286.1 312.1 0.55 13 500 5610 -18.7 -34.7 23 16.0 -21.3 75 20 310.2 310.3 285.9 311.6 0.40 14 488 5791 -20.3 -37.3 20 17.0 -22.7 70 22 310.4 310.5 285.9 311.6 0.32 15 433 6670 -26.5 -41.5 23 15.0 -28.2 46 30 313.4 313.4 286.8 314.2 0.23 16 409 7081 -29.5 -42.5 27 13.0 -30.8 34 34 314.6 314.7 287.2 315.4 0.22 17 400 7240 -30.9 -45.9 22 15.0 -32.1 30 36 314.8 314.9 287.2 315.4 0.16 18 359 7997 -37.3 -47.3 35 10.0 -37.9 34 34 316.1 316.2 287.6 316.7 0.15 19 317 8843 -44.5 -53.5 36 9.0 -44.9 38 31 317.6 317.6 288.1 317.9 0.08 20 300 9210 -47.5 -57.5 31 10.0 -47.8 40 30 318.4 318.4 288.3 318.6 0.05 21 277 9734 -50.1 -63.1 20 13.0 -50.4 40 22 322.0 322.0 289.4 322.1 0.03 22 259 10171 -52.1 50 17 325.3 23 250 10400 -51.9 55 15 328.9 24 202 11776 -52.7 36 11 348.3 25 200 11840 -52.9 35 11 349.0 26 159 13324 -53.5 171 13 371.6 27 150 13700 -53.1 205 14 378.6 28 137 14283 -55.3 208 14 384.6 29 101 16236 -54.9 220 16 420.5 30 100 16300 -55.9 220 16 419.7 31 78 17876 -56.1 227 18 450.2 32 70 18560 -57.3 230 19 461.8 33 55 20088 -56.5 496.6 TRP 277 9734 -50.1 -63.1 20 13.0 -50.4 40 22 322.0 322.0 289.4 322.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5542.00 m Freezing level: 718.69 mb = 2805.33 m = 9203.73 ft Wetbulb zero: 735.17 mb = 2610.83 m = 8565.60 ft Precipitable water: 0.96 inches Sfc-500 mean rel hum: 71.22 % Est. max temperature: 22.06 C = 71.70 F Sfc-Lift cond lev (LCL): 919.25 mb = 778.99 m = 2555.71 ft T: 10.40 C 700-500 lapse rate: 6.53 C/km ThetaE index: 3.01 C Layer 708.0- 675.0 mb Conv cond level (CCL): 775.26 mb = 2178.90 m = 7148.55 ft Mean mixing ratio: 6.55 g/kg Conv temperature: 25.35 C = 77.63 F Cap Strength: 6.12 C Lifted Index: 5.39 C Risk: None Lifted Index @300 mb: 8.09 C Lifted Index @700 mb: 3.79 C Showalter Index: 0.21 C Risk: Thunderstorms probable Total Totals Index: 52.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.30 C Cross Totals Index: 25.00 C K Index: 31.00 Risk: 60-80 % chance of thunderstorms Sweat Index: 179.60 Risk: None Energy Index: -0.79 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.43 J/kg Max Up Vert Vel: 5.56 m/s Conv Inhibition (B-): 23246.64 J/kg Cap Strength: 6.12 C Lift Cond Lev (LCL): 887.81 mb = 1068.60 m = 3505.87 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 110 at 11 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 1006 18 10 5 -0.9 -4.9 | 313 13 9.2 -8.5 1 1000 68 250 5 4.7 1.7 | 277 15 14.7 -1.9 2 925 727 50 12 -9.2 -7.7 | 356 11 0.8 -11.3 3 850 1430 110 9 -8.5 3.1 | 289 2 1.6 -0.5 4 700 3008 85 14 -13.9 -1.2 | 39 6 -3.9 -4.8 5 500 5610 75 20 -19.3 -5.2 | 47 13 -9.3 -8.8 6 400 7240 30 36 -18.0 -31.2 | 13 36 -8.0 -34.8 7 300 9210 40 30 -19.3 -23.0 | 19 28 -9.3 -26.6 8 277 9734 40 22 -14.1 -16.9 | 11 21 -4.1 -20.5 9 250 10400 55 15 -12.3 -8.6 | 10 12 -2.3 -12.2 10 200 11840 35 11 -6.3 -9.0 | 344 13 3.7 -12.6 11 150 13700 205 14 5.9 12.7 | 240 18 15.9 9.1 12 100 16300 220 16 10.3 12.3 | 247 22 20.3 8.6 13 70 18560 230 19 14.6 12.2 | 251 26 24.6 8.6 Wind Parameters Mean winds (0-6000m): 79.9 at 14.2 knts Storm direction: 109.9 at 10.7 knts Shear (0-3000m) pos: 2.7 neg: 1.7 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 86.1 deg Storm rel helicity (0-3000m) pos: 93.6 neg: -29.7 tot: 63.8 m^2/s^2 ave: 21.3 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 8.6 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.35 Bulk Shear: 43.47 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 ------------------------------------------------------------------------------- 500 328 7 305 17| 0.0 5.1 5.1| 59.0 -28.1 30.9 61.8 0.22| 22.9 5.0 1000 50 9 342 10| 6.5 2.5 9.0| 92.4 -28.1 64.3 64.3 0.38| 19.1 7.3 1500 68 9 349 7| 5.3 1.7 7.0| 92.4 -29.7 62.8 41.8 0.27| 14.9 4.0 2000 80 10 353 5| 4.0 1.5 5.5| 93.0 -29.7 63.3 31.7 0.29| 11.8 3.5 2500 85 10 359 5| 3.2 1.6 4.8| 93.5 -29.7 63.8 25.5 0.30| 9.9 2.9 3000 85 11 6 5| 2.7 1.7 4.4| 93.6 -29.7 63.8 21.3 0.28| 8.6 2.4 4000 84 12 18 5| 2.0 1.6 3.6| 95.0 -29.7 65.2 16.3 0.28| 6.8 1.9 5000 83 13 27 6| 1.6 1.5 3.1| 95.7 -29.7 65.9 13.2 0.27| 5.7 1.6 6000 80 14 33 7| 1.3 1.9 3.2| 95.7 -38.4 57.3 9.6 0.21| 5.4 1.1 Wrote GIF file: /home/apache/climate/data/raob//LT220/skewt/LT220.skewt.20250501.12.gif