UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 18 APR 25 Station: Y4775 WMO ident: 94775 ------------------------------------------------------------------------------- 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 25 17.4 13.6 78 3.8 15.0 55 3 289.6 291.4 287.8 317.0 9.72 1 1000 118 15.8 12.6 81 3.2 13.8 20 3 289.0 290.6 287.0 314.8 9.20 2 999 127 15.8 12.5 81 3.3 13.8 17 3 289.0 290.6 287.0 314.7 9.15 3 979 299 17.8 8.8 56 9.0 12.6 312 10 292.7 294.0 286.6 313.6 7.27 4 962 450 21.4 6.4 38 15.0 12.8 298 12 297.8 299.0 287.5 316.3 6.27 5 936 687 20.8 4.8 35 16.0 11.8 307 11 299.6 300.6 287.6 316.7 5.76 6 925 789 20.2 4.2 35 16.0 11.3 335 6 300.0 301.0 287.6 316.6 5.59 7 850 1510 14.6 2.6 44 12.0 8.1 95 4 301.4 302.4 288.0 317.7 5.43 8 816 1853 11.6 0.6 47 11.0 5.9 173 3 301.8 302.7 287.6 316.6 4.90 9 716 2931 3.6 -9.4 38 13.0 -1.7 244 9 304.5 305.0 286.3 312.7 2.62 10 700 3115 3.8 -15.2 23 19.0 -3.1 250 11 306.7 307.0 286.1 312.1 1.67 11 671 3459 4.8 -29.2 6 34.0 -4.6 252 11 311.5 311.6 286.5 313.3 0.51 12 670 3471 4.8 -27.2 8 32.0 -4.4 252 11 311.7 311.8 286.6 313.8 0.61 13 636 3894 3.2 -25.8 10 29.0 -5.4 254 10 314.5 314.7 287.8 317.1 0.73 14 547 5093 -6.7 -27.7 17 21.0 -12.1 249 20 316.6 316.8 288.5 319.1 0.72 15 500 5790 -10.1 -39.1 7 29.0 -15.4 280 26 320.7 320.8 289.3 321.7 0.26 16 412 7251 -19.3 -47.3 6 28.0 -22.8 276 35 327.1 327.2 291.0 327.6 0.13 17 400 7470 -20.9 -45.9 9 25.0 -24.1 285 33 327.8 327.9 291.3 328.4 0.16 18 373 7983 -25.1 -42.1 19 17.0 -27.3 278 37 328.9 328.9 291.7 329.8 0.25 19 364 8161 -25.7 -33.7 47 8.0 -27.1 275 39 330.4 330.5 292.4 332.6 0.61 20 313 9235 -35.3 -40.3 60 5.0 -35.8 257 53 331.6 331.6 292.5 333.0 0.36 21 308 9347 -36.1 -40.8 62 4.7 -36.6 260 57 332.0 332.1 292.6 333.3 0.35 22 300 9530 -37.1 -43.1 54 6.0 -37.7 265 62 333.1 333.1 292.9 334.2 0.28 23 263 10429 -42.7 -48.7 52 6.0 -43.1 269 94 337.7 337.7 293.9 338.4 0.17 24 256 10611 -43.9 -60.9 14 17.0 -44.5 267 98 338.5 338.5 294.0 338.7 0.04 25 250 10770 -44.7 -60.7 15 16.0 -45.3 265 102 339.6 339.6 294.3 339.8 0.04 26 231 11295 -47.9 -57.9 31 10.0 -48.3 265 111 342.5 342.5 295.0 342.8 0.07 27 227 11410 -48.5 -61.5 21 13.0 -48.9 265 113 343.3 343.3 295.1 343.5 0.04 28 223 11527 -47.5 -73.5 3 26.0 -48.1 265 115 346.6 346.6 295.9 346.6 0.01 29 200 12240 -51.1 -72.1 6 21.0 -51.5 260 116 351.8 351.9 297.0 351.9 0.01 30 171 13240 -58.6 -76.3 8 17.7 -58.8 260 133 355.5 355.5 297.8 355.5 0.01 31 150 14050 -64.9 -79.9 11 15.0 -65.0 255 118 358.3 358.3 298.4 358.3 0.00 32 142 14383 -66.9 -80.9 12 14.0 -67.0 259 110 360.4 360.4 298.8 360.5 0.00 33 111 15854 -71.9 -86.9 9 15.0 -71.9 261 70 377.4 377.4 301.8 377.4 0.00 34 108 16015 -72.5 -87.5 9 15.0 -72.5 260 60 379.2 379.2 302.1 379.2 0.00 35 100 16470 -70.5 -87.5 6 17.0 -70.6 265 55 391.5 391.5 304.0 391.5 0.00 36 70 18600 -67.7 -89.7 3 22.0 -67.8 235 9 439.5 439.6 309.8 439.6 0.00 37 62 19334 -66.5 -90.5 2 24.0 -66.7 248 8 457.7 457.7 311.5 457.7 0.00 38 59 19633 -67.7 -90.7 2 23.0 -67.9 253 7 461.6 461.6 311.9 461.6 0.00 39 50 20640 -63.9 -90.9 1 27.0 -64.3 270 5 492.9 492.9 314.4 492.9 0.00 40 44 21428 -62.5 -90.5 1 28.0 -63.0 226 6 514.7 514.7 315.9 514.7 0.00 41 42 21715 -63.3 -90.3 1 27.0 -63.7 210 7 519.6 519.6 316.3 519.6 0.00 42 30 23830 -54.5 -87.5 1 33.0 -56.2 95 10 596.1 596.1 320.5 596.1 0.01 43 20 26440 -49.5 -86.5 1 37.0 -53.1 205 1 684.7 684.7 323.9 684.7 0.01 44 14 28793 -46.3 -84.3 1 38.0 -52.2 769.0 769.0 326.4 769.2 0.02 TRP 108 16015 -72.5 -87.5 9 15.0 -72.5 260 60 379.2 379.2 302.1 379.2 0.00 WND 171 13240 -58.6 -76.3 8 17.7 -58.8 260 133 355.5 355.5 297.8 355.5 0.01 Sounding variables and indices 1000-500 mb thick: 5672.00 m Freezing level: 607.23 mb = 4281.66 m = 14047.28 ft Wetbulb zero: 738.73 mb = 2673.57 m = 8771.45 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 28.70 % Est. max temperature: 29.02 C = 84.23 F Sfc-Lift cond lev (LCL): 955.48 mb = 508.66 m = 1668.80 ft T: 21.25 C 700-500 lapse rate: 5.20 C/km ThetaE index: 5.65 C Layer 816.0- 671.0 mb Conv cond level (CCL): 618.53 mb = 4115.65 m = 13502.61 ft Mean mixing ratio: 6.86 g/kg Conv temperature: 42.79 C = 109.02 F Cap Strength: 9.22 C Lifted Index: 8.69 C Risk: None Lifted Index @300 mb: 12.57 C Lifted Index @700 mb: 5.19 C Showalter Index: 7.58 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 24.70 C Cross Totals Index: 12.70 C K Index: 8.30 Risk: None Sweat Index: 65.20 Risk: None Energy Index: 0.95 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 54.42 J/kg Max Up Vert Vel: 10.43 m/s Conv Inhibition (B-): 46904.42 J/kg Cap Strength: 9.17 C Lift Cond Lev (LCL): 807.52 mb = 1939.40 m = 6362.79 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 292 at 8 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 25 55 3 -2.5 -1.7 | 98 10 -10.3 1.5 1 1000 118 20 3 -1.0 -2.8 | 92 9 -8.9 0.4 2 979 305 310 10 7.7 -6.4 | 3 3 -0.2 -3.2 3 944 610 285 15 14.5 -3.9 | 276 7 6.6 -0.7 4 925 789 335 6 2.5 -5.4 | 67 6 -5.3 -2.3 5 911 914 340 4 1.4 -3.8 | 85 7 -6.5 -0.6 6 850 1510 95 4 -4.0 0.3 | 107 12 -11.8 3.5 7 788 2134 240 3 2.6 1.5 | 132 7 -5.3 4.7 8 706 3048 245 10 9.1 4.2 | 189 8 1.2 7.4 9 700 3115 250 11 10.3 3.8 | 200 7 2.5 6.9 10 629 3962 255 10 9.7 2.6 | 197 6 1.8 5.8 11 606 4267 245 12 10.9 5.1 | 200 9 3.0 8.2 12 561 4877 240 18 15.6 9.0 | 212 14 7.7 12.2 13 500 5790 280 26 25.6 -4.5 | 274 18 17.7 -1.3 14 480 6096 280 28 27.6 -4.9 | 275 20 19.7 -1.7 15 461 6401 290 32 30.1 -10.9 | 289 24 22.2 -7.8 16 408 7315 275 35 34.9 -3.1 | 270 27 27.0 0.1 17 400 7470 285 33 31.9 -8.5 | 283 25 24.0 -5.4 18 392 7620 285 33 31.9 -8.5 | 283 25 24.0 -5.4 19 317 9144 255 51 49.3 13.2 | 248 45 41.4 16.4 20 300 9530 265 62 61.8 5.4 | 261 55 53.9 8.6 21 265 10363 270 92 92.0 -0.0 | 268 84 84.1 3.2 22 250 10770 265 102 101.6 8.9 | 263 95 93.8 12.1 23 221 11582 265 116 115.6 10.1 | 263 109 107.7 13.3 24 211 11887 265 111 110.6 9.7 | 263 104 102.7 12.9 25 200 12240 260 116 114.2 20.1 | 258 109 106.4 23.3 26 171 13240 260 133 131.0 23.1 | 258 126 123.1 26.3 27 166 13411 260 133 131.0 23.1 | 258 126 123.1 26.3 28 150 14050 255 118 114.0 30.5 | 252 111 106.1 33.7 29 129 14935 265 97 96.6 8.5 | 263 90 88.8 11.6 30 123 15240 265 108 107.6 9.4 | 263 101 99.7 12.6 31 108 16015 260 60 59.1 10.4 | 255 53 51.2 13.6 32 105 16154 255 65 62.8 16.8 | 250 58 54.9 20.0 33 100 16470 265 55 54.8 4.8 | 260 48 46.9 8.0 34 95 16764 265 55 54.8 4.8 | 260 48 46.9 8.0 35 70 18600 235 9 7.4 5.2 | 177 8 -0.5 8.3 36 50 20640 270 5 5.0 -0.0 | 138 4 -2.9 3.2 37 30 23830 95 10 -10.0 0.9 | 103 18 -17.8 4.0 38 20 26440 205 1 0.4 0.9 | 119 8 -7.4 4.1 Wind Parameters Mean winds (0-6000m): 262.0 at 11.3 knts Storm direction: 292.0 at 8.5 knts Shear (0-3000m) pos: 1.7 neg: 2.7 tot: 4.4 10-3/s Storm rel Dir Shear (0-3000m): 90.0 deg Storm rel helicity (0-3000m) pos: 53.6 neg: -21.9 tot: 31.7 m^2/s^2 ave: 10.6 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 9.8 stream: 2.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 5.60 Bulk Shear: 9.73 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 ------------------------------------------------------------------------------- 500 311 8 38 3| 0.0 15.9 15.9| 0.0 -20.4 -20.4 -40.9 -0.85| 18.5-15.7 1000 308 8 35 2| 6.6 8.0 14.5| 12.7 -21.4 -8.7 -8.7 -0.06| 17.9 -1.0 1500 317 7 61 4| 6.0 5.3 11.3| 26.1 -21.4 4.7 3.1 0.06| 14.3 0.9 2000 315 6 73 4| 3.4 4.0 7.4| 41.8 -21.4 20.4 10.2 0.16| 12.6 2.0 2500 302 6 94 3| 2.2 3.2 5.4| 46.9 -21.9 25.0 10.0 0.20| 10.9 2.1 3000 281 6 136 3| 1.7 2.7 4.4| 53.6 -21.9 31.7 10.6 0.25| 9.8 2.4 4000 265 7 169 4| 1.1 2.0 3.1| 56.7 -22.3 34.4 8.6 0.26| 7.7 2.0 5000 256 9 186 5| 1.0 1.9 2.8| 73.3 -22.3 51.0 10.2 0.29| 7.3 2.1 6000 262 11 215 6| 1.0 1.5 2.6|135.2 -22.3 112.9 18.8 0.40| 7.5 3.0 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250418.23.gif