UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042712.upa.cvt Date: 1200Z 27 APR 25 Searching for LGAT... Searching the city database file for: LGAT ... Date:1200Z 27 APR 25 Station: LGAT WMO ident: 16716 Latitude: 37.90 Longitude: 23.73 Elevation: 15.00 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- SFC 1011 15 17.4 10.4 63 7.0 13.3 260 2 289.6 291.0 286.0 311.8 7.85 1 1000 133 16.8 11.8 72 5.0 13.8 225 4 290.0 291.5 286.9 314.6 8.72 2 981 296 15.6 11.6 77 4.0 13.2 202 4 290.3 291.9 287.1 315.1 8.77 3 925 793 12.4 11.4 94 1.0 11.8 130 4 292.0 293.6 288.1 318.1 9.19 4 913 902 11.4 10.7 95 0.7 11.0 124 6 292.1 293.6 287.9 317.3 8.88 5 890 1115 10.4 10.4 100 0.0 10.4 112 10 293.2 294.8 288.3 318.7 8.93 6 850 1497 8.0 8.0 100 0.0 8.0 90 17 294.5 296.0 287.9 317.4 7.94 7 817 1823 6.2 6.2 100 0.0 6.2 83 18 296.0 297.3 287.8 317.2 7.29 8 807 1924 3.4 3.0 97 0.4 3.2 81 19 294.0 295.1 285.7 311.1 5.89 9 790 2097 2.4 2.1 98 0.3 2.2 77 19 294.8 295.8 285.8 311.2 5.64 10 763 2378 0.2 -0.8 93 1.0 -0.3 71 20 295.3 296.2 285.0 309.3 4.73 11 700 3068 -1.5 -1.5 100 0.0 -1.5 55 23 300.8 301.7 287.3 315.5 4.90 12 692 3159 -2.3 -2.3 100 0.0 -2.3 55 23 300.9 301.8 287.1 315.0 4.67 13 654 3604 -8.1 -8.7 95 0.6 -8.3 55 21 299.3 299.8 284.8 308.5 3.03 14 623 3979 -11.5 -11.5 100 0.0 -11.5 55 19 299.6 300.0 284.3 307.4 2.54 15 615 4078 -10.7 -10.7 100 0.0 -10.7 55 18 301.6 302.1 285.4 310.1 2.75 16 605 4204 -13.1 -16.3 77 3.2 -14.0 55 18 300.2 300.6 283.7 305.8 1.77 17 570 4656 -15.9 -17.4 88 1.5 -16.3 55 16 302.1 302.4 284.4 307.5 1.71 18 556 4844 -14.9 -15.7 94 0.8 -15.2 55 15 305.5 305.8 286.0 311.9 2.02 19 500 5640 -20.3 -21.3 92 1.0 -20.5 55 11 308.3 308.6 286.4 312.9 1.40 20 443 6526 -26.9 -29.0 82 2.1 -27.2 344 16 310.8 311.0 286.6 313.5 0.78 21 434 6675 -26.5 -28.1 86 1.6 -26.8 333 17 313.2 313.3 287.5 316.1 0.87 22 400 7260 -30.7 -34.1 72 3.4 -31.2 285 21 315.1 315.2 287.8 317.0 0.53 23 392 7403 -30.7 -36.7 56 6.0 -31.4 283 24 316.9 317.0 288.2 318.4 0.42 24 387 7494 -31.5 -38.5 50 7.0 -32.3 282 26 317.0 317.1 288.2 318.3 0.35 25 356 8076 -36.9 -41.2 64 4.3 -37.2 273 39 317.4 317.5 288.2 318.5 0.29 26 340 8393 -38.1 -45.1 48 7.0 -38.6 269 47 320.0 320.0 289.0 320.8 0.20 27 312 8977 -42.6 -49.6 46 7.0 -43.0 260 60 321.6 321.7 289.4 322.2 0.13 28 300 9240 -44.7 -51.7 45 7.0 -45.0 265 54 322.4 322.4 289.6 322.8 0.11 29 268 9987 -50.3 -57.3 43 7.0 -50.5 274 39 324.8 324.8 290.3 325.0 0.06 30 250 10440 -52.1 -58.1 48 6.0 -52.2 280 29 328.6 328.6 291.4 328.9 0.06 31 236 10810 -53.9 -60.9 42 7.0 -54.1 267 26 331.3 331.4 292.2 331.5 0.04 32 234 10865 -54.3 -61.3 42 7.0 -54.5 265 25 331.6 331.6 292.2 331.7 0.04 33 212 11498 -53.1 -61.1 37 8.0 -53.3 262 29 342.9 342.9 295.1 343.1 0.05 34 200 11870 -55.7 -63.7 36 8.0 -55.9 260 31 344.6 344.6 295.4 344.7 0.04 35 196 11999 -56.5 -64.5 36 8.0 -56.6 259 31 345.3 345.3 295.6 345.4 0.03 36 183 12434 -56.3 -67.3 24 11.0 -56.5 254 29 352.5 352.5 297.2 352.6 0.02 37 177 12646 -57.3 -67.3 27 10.0 -57.5 252 28 354.2 354.2 297.5 354.3 0.03 38 173 12792 -53.3 -61.3 37 8.0 -53.5 250 28 363.1 363.1 299.4 363.4 0.06 39 150 13710 -53.7 -62.7 32 9.0 -54.0 240 25 377.5 377.6 301.9 377.8 0.06 40 101 16208 -60.1 -87.1 2 27.0 -60.4 250 23 410.4 410.4 306.6 410.4 0.00 41 100 16270 -60.1 -86.1 2 26.0 -60.4 250 23 411.6 411.6 306.7 411.6 0.00 42 70 18490 -61.1 -87.1 2 26.0 -61.4 230 21 453.7 453.7 311.2 453.7 0.00 43 65 18951 -60.7 -85.7 2 25.0 -61.1 464.3 464.3 312.1 464.3 0.00 TRP 234 10865 -54.3 -61.3 42 7.0 -54.5 265 25 331.6 331.6 292.2 331.7 0.04 WND 312 8977 -42.6 -49.6 46 7.0 -43.0 260 60 321.6 321.7 289.4 322.2 0.13 Sounding variables and indices 1000-500 mb thick: 5507.00 m Freezing level: 755.59 mb = 2458.80 m = 8066.83 ft Wetbulb zero: 765.93 mb = 2346.67 m = 7698.94 ft Precipitable water: 1.15 inches Sfc-500 mean rel hum: 93.13 % Est. max temperature: 21.92 C = 71.45 F Sfc-Lift cond lev (LCL): 910.73 mb = 923.19 m = 3028.79 ft T: 11.30 C 700-500 lapse rate: 7.31 C/km ThetaE index: 7.54 C Layer 850.0- 790.0 mb Conv cond level (CCL): 887.50 mb = 1138.76 m = 3736.04 ft Mean mixing ratio: 8.87 g/kg Conv temperature: 21.02 C = 69.83 F Cap Strength: 1.04 C Lifted Index: -1.69 C Risk: Thunderstorms probable Lifted Index @300 mb: 4.79 C Lifted Index @700 mb: -0.23 C Showalter Index: -2.45 C Risk: Severe thunderstorms possible Total Totals Index: 56.60 C Risk: Severe Thunderstorms probable Vertical Totals Index: 28.30 C Cross Totals Index: 28.30 C K Index: 36.30 Risk: > 80 % chance of thunderstorms Sweat Index: 293.00 Risk: None Energy Index: -1.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 419.13 J/kg Max Up Vert Vel: 28.95 m/s Conv Inhibition (B-): 28.11 J/kg Cap Strength: 1.04 C Lift Cond Lev (LCL): 917.96 mb = 856.99 m = 2811.60 ft Lev Free Conv (LFC): 812.96 mb = 1863.89 m = 6115.04 ft Equ Level (EL): 422.96 mb = 6859.52 m = 22504.72 ft B at Equ Level: 415.68 J/kg Max Parcel Lev (MPL): 272.96 mb = 9865.58 m = 32366.99 ft Wind level data Storm motion: 93 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 1011 15 260 2 2.0 0.3 | 271 13 13.3 -0.3 1 1000 133 225 4 2.8 2.8 | 261 14 14.2 2.1 2 925 793 130 4 -3.1 2.6 | 257 9 8.3 1.9 3 850 1497 90 17 -17.0 0.0 | 83 6 -5.6 -0.7 4 700 3068 55 23 -18.8 -13.2 | 28 16 -7.5 -13.9 5 500 5640 55 11 -9.0 -6.3 | 341 7 2.4 -7.0 6 400 7260 285 21 20.3 -5.4 | 281 32 31.7 -6.1 7 312 8977 260 60 59.1 10.4 | 262 71 70.5 9.7 8 300 9240 265 54 53.8 4.7 | 266 65 65.2 4.0 9 250 10440 280 29 28.6 -5.0 | 278 40 39.9 -5.7 10 234 10865 265 25 24.9 2.2 | 268 36 36.3 1.5 11 200 11870 260 31 30.5 5.4 | 264 42 41.9 4.7 12 150 13710 240 25 21.7 12.5 | 250 35 33.0 11.8 13 100 16270 250 23 21.6 7.9 | 258 34 33.0 7.2 14 70 18490 230 21 16.1 13.5 | 245 30 27.5 12.8 Wind Parameters Mean winds (0-6000m): 63.5 at 15.2 knts Storm direction: 93.5 at 11.4 knts Shear (0-3000m) pos: 0.0 neg: 4.2 tot: 4.2 10-3/s Storm rel Dir Shear (0-3000m): 118.0 deg Storm rel helicity (0-3000m) pos: 0.9 neg: -51.2 tot: -50.2 m^2/s^2 ave: -16.7 10^-3 m/s^2 rel: -0.64 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -4.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 9.49 Bulk Shear: 44.17 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 ------------------------------------------------------------------------------- 500 204 4 258 13| 0.0 4.6 4.6| 0.0 -15.6 -15.6 -31.2 -0.68| 6.6 -4.5 1000 159 4 251 10| 0.0 5.0 5.0| 0.9 -19.9 -18.9 -18.9 -0.48| 6.8 -3.3 1500 111 7 247 5| 0.0 6.5 6.5| 0.9 -27.6 -26.6 -17.8 -0.63| 8.4 -5.3 2000 97 10 253 2| 0.0 5.4 5.4| 0.9 -33.0 -32.0 -16.0 -0.64| 7.3 -4.7 2500 87 12 25 1| 0.0 4.7 4.7| 0.9 -40.5 -39.5 -15.8 -0.64| 6.7 -4.3 3000 79 14 32 4| 0.0 4.2 4.2| 0.9 -51.2 -50.2 -16.7 -0.64| 6.4 -4.1 4000 70 16 28 7| 0.0 2.6 2.6| 0.9 -60.8 -59.8 -15.0 -0.63| 5.4 -3.4 5000 66 16 23 8| 0.0 1.6 1.6| 0.9 -69.5 -68.6 -13.7 -0.64| 4.8 -3.1 6000 63 15 17 8| 0.0 1.2 1.2| 0.9 -78.8 -77.9 -13.0 -0.60| 4.8 -2.9 Wrote GIF file: /home/apache/climate/data/raob//LGAT/skewt/LGAT.skewt.20250427.12.gif