UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041623.upa.cvt Date: 2300Z 16 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 16 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 1014 20 18.2 16.0 87 2.2 16.8 310 2 290.2 292.2 289.4 322.1 11.34 1 1000 138 16.6 13.9 84 2.7 14.9 255 4 289.8 291.5 288.1 317.9 10.03 2 976 345 15.0 13.3 90 1.7 14.0 220 15 290.2 291.9 288.1 318.0 9.88 3 925 799 13.2 13.0 99 0.2 13.1 170 13 292.8 294.6 289.3 321.9 10.22 4 920 845 12.8 12.6 99 0.2 12.7 168 14 292.9 294.6 289.2 321.4 10.01 5 850 1507 9.8 7.8 87 2.0 8.6 175 17 296.4 297.8 288.5 319.2 7.83 6 739 2656 3.0 2.5 97 0.5 2.7 180 17 301.1 302.2 288.6 319.6 6.21 7 733 2723 3.8 -3.2 60 7.0 0.5 180 17 302.7 303.4 287.2 315.2 4.12 8 713 2948 3.4 -23.6 12 27.0 -4.6 180 20 304.6 304.8 284.3 307.3 0.80 9 700 3097 3.0 -27.0 9 30.0 -5.2 180 21 305.8 305.9 284.5 307.8 0.60 10 697 3132 2.8 -27.2 9 30.0 -5.4 180 21 306.0 306.1 284.5 308.0 0.59 11 671 3439 1.6 -31.4 6 33.0 -6.5 180 24 308.0 308.0 285.1 309.4 0.41 12 645 3758 2.2 -42.8 2 45.0 -6.9 183 25 312.1 312.2 286.2 312.6 0.14 13 622 4051 0.2 -15.8 29 16.0 -5.6 188 21 313.1 313.5 288.4 319.0 1.79 14 586 4526 -3.5 -24.5 18 21.0 -9.5 176 20 314.2 314.4 287.8 317.2 0.90 15 572 4716 -5.1 -18.1 35 13.0 -9.4 181 18 314.5 314.8 288.7 319.8 1.61 16 515 5533 -11.1 -29.1 21 18.0 -15.3 238 21 316.8 316.9 288.5 319.2 0.67 17 500 5760 -11.7 -48.7 3 37.0 -16.9 240 25 318.8 318.8 288.5 319.1 0.09 18 468 6261 -14.9 -43.9 6 29.0 -19.2 234 27 320.9 320.9 289.2 321.5 0.17 19 400 7420 -24.7 -41.7 19 17.0 -26.8 225 33 322.9 322.9 289.9 323.8 0.25 20 391 7585 -26.1 -41.1 23 15.0 -27.9 226 35 323.2 323.2 290.0 324.2 0.27 21 387 7660 -25.3 -47.3 11 22.0 -27.6 226 36 325.2 325.2 290.5 325.7 0.14 22 372 7945 -27.5 -49.5 10 22.0 -29.5 228 41 325.9 326.0 290.7 326.4 0.11 23 370 7984 -27.1 -58.1 4 31.0 -29.4 228 41 327.0 327.0 290.9 327.1 0.04 24 300 9460 -38.7 -57.7 12 19.0 -39.6 245 40 330.8 330.8 292.0 331.0 0.05 25 292 9646 -40.1 -59.1 11 19.0 -40.9 247 39 331.4 331.4 292.2 331.6 0.05 26 261 10410 -44.1 -63.1 10 19.0 -44.7 256 35 336.3 336.3 293.4 336.5 0.03 27 250 10700 -45.1 -66.1 8 21.0 -45.7 260 34 339.0 339.0 294.1 339.1 0.02 28 202 12096 -52.7 -77.7 3 25.0 -53.1 251 38 348.3 348.3 296.3 348.3 0.00 29 200 12160 -52.9 -77.9 3 25.0 -53.2 250 41 349.0 349.0 296.4 349.0 0.00 30 169 13235 -56.9 -80.9 3 24.0 -57.2 238 37 359.6 359.6 298.6 359.6 0.00 31 156 13737 -61.1 -82.1 5 21.0 -61.3 241 32 360.7 360.7 298.8 360.8 0.00 32 150 13980 -61.1 -83.1 4 22.0 -61.3 245 29 364.8 364.8 299.6 364.8 0.00 33 131 14817 -64.1 -86.1 3 22.0 -64.3 249 27 373.9 373.9 301.2 373.9 0.00 34 103 16281 -67.5 -88.5 4 21.0 -67.6 260 16 394.0 394.0 304.3 394.0 0.00 35 100 16460 -66.7 -88.7 3 22.0 -66.8 260 11 398.9 398.9 305.0 398.9 0.00 36 81 17727 -68.5 -89.5 3 21.0 -68.6 263 9 419.9 419.9 307.7 419.9 0.00 37 70 18610 -64.5 -90.5 2 26.0 -64.7 265 7 446.4 446.4 310.5 446.4 0.00 38 68 18788 -63.5 -89.5 2 26.0 -63.8 271 8 452.3 452.3 311.1 452.3 0.00 39 66 18971 -63.9 -89.9 2 26.0 -64.2 278 8 455.3 455.3 311.4 455.3 0.00 40 50 20680 -62.1 -90.1 1 28.0 -62.6 340 15 497.1 497.1 314.8 497.2 0.00 41 39 22236 -57.7 -88.7 1 31.0 -58.6 60 16 544.9 544.9 317.8 544.9 0.00 42 36 22739 -60.5 -89.5 1 29.0 -61.2 86 17 550.3 550.3 318.1 550.3 0.00 43 30 23890 -55.5 -88.5 1 33.0 -57.0 145 18 593.3 593.3 320.3 593.4 0.01 44 20 26500 -48.7 -85.7 1 37.0 -52.6 55 7 687.1 687.1 324.0 687.2 0.01 45 18 27195 -47.1 -86.1 0 39.0 -51.8 713.2 713.2 324.8 713.3 0.01 46 18 27195 -47.5 -85.5 1 38.0 -52.1 711.9 711.9 324.8 712.0 0.01 TRP 103 16281 -67.5 -88.5 4 21.0 -67.6 260 16 394.0 394.0 304.3 394.0 0.00 WND Sounding variables and indices 1000-500 mb thick: 5622.00 m Freezing level: 620.05 mb = 4076.28 m = 13373.46 ft Wetbulb zero: 730.85 mb = 2746.56 m = 9010.91 ft Precipitable water: 1.05 inches Sfc-500 mean rel hum: 52.81 % Est. max temperature: 23.70 C = 74.67 F Sfc-Lift cond lev (LCL): 981.60 mb = 296.10 m = 971.44 ft T: 15.38 C 700-500 lapse rate: 5.52 C/km ThetaE index: 12.35 C Layer 733.0- 700.0 mb Conv cond level (CCL): 918.09 mb = 862.08 m = 2828.30 ft Mean mixing ratio: 10.11 g/kg Conv temperature: 20.96 C = 69.73 F Cap Strength: 5.75 C Lifted Index: 4.86 C Risk: None Lifted Index @300 mb: 8.39 C Lifted Index @700 mb: 2.69 C Showalter Index: 5.16 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 21.50 C Cross Totals Index: 19.50 C K Index: -0.70 Risk: None Sweat Index: 290.89 Risk: None Energy Index: 0.12 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.39 J/kg Max Up Vert Vel: 5.17 m/s Conv Inhibition (B-): 37815.26 J/kg Cap Strength: 5.70 C Lift Cond Lev (LCL): 943.68 mb = 629.82 m = 2066.32 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 222 at 13 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 1014 20 310 2 1.5 -1.3 | 33 13 -7.4 -11.2 1 1000 138 255 4 3.9 1.0 | 30 10 -5.0 -8.8 2 981 305 225 15 10.6 10.6 | 247 2 1.7 0.7 3 946 610 185 13 1.1 13.0 | 112 8 -7.8 3.1 4 925 799 170 13 -2.3 12.8 | 105 12 -11.2 2.9 5 912 914 165 15 -3.9 14.5 | 110 14 -12.8 4.6 6 850 1507 175 17 -1.5 16.9 | 124 13 -10.4 7.1 7 787 2134 180 12 0.0 12.0 | 103 9 -8.9 2.1 8 700 3097 180 21 0.0 21.0 | 141 14 -8.9 11.1 9 652 3658 180 26 0.0 26.0 | 151 18 -8.9 16.1 10 627 3962 190 21 3.6 20.7 | 154 12 -5.3 10.8 11 604 4267 180 20 0.0 20.0 | 139 13 -8.9 10.1 12 581 4572 175 20 -1.7 19.9 | 133 15 -10.7 10.0 13 559 4877 190 15 2.6 14.8 | 128 8 -6.3 4.9 14 538 5182 235 16 13.1 9.2 | 280 4 4.2 -0.7 15 500 5760 240 25 21.7 12.5 | 258 13 12.7 2.6 16 406 7315 220 31 19.9 23.7 | 218 18 11.0 13.9 17 400 7420 225 33 23.3 23.3 | 227 20 14.4 13.4 18 357 8230 230 45 34.5 28.9 | 233 32 25.6 19.0 19 300 9460 245 40 36.3 16.9 | 256 28 27.3 7.0 20 250 10700 260 34 33.5 5.9 | 279 25 24.6 -4.0 21 229 11278 265 40 39.8 3.5 | 282 32 30.9 -6.4 22 209 11887 255 30 29.0 7.8 | 276 20 20.1 -2.1 23 200 12160 250 41 38.5 14.0 | 262 30 29.6 4.1 24 190 12497 250 42 39.5 14.4 | 262 31 30.6 4.5 25 164 13411 235 36 29.5 20.6 | 242 23 20.6 10.8 26 150 13980 245 29 26.3 12.3 | 262 18 17.4 2.4 27 135 14630 240 29 25.1 14.5 | 254 17 16.2 4.6 28 122 15240 270 23 23.0 -0.0 | 305 17 14.1 -9.9 29 116 15545 275 25 24.9 -2.2 | 307 20 16.0 -12.1 30 111 15850 270 33 33.0 -0.0 | 292 26 24.1 -9.9 31 105 16154 250 23 21.6 7.9 | 279 13 12.7 -2.0 32 103 16281 260 16 15.8 2.8 | 316 10 6.8 -7.1 33 100 16460 260 11 10.8 1.9 | 346 8 1.9 -8.0 34 95 16764 260 11 10.8 1.9 | 346 8 1.9 -8.0 35 70 18610 265 7 7.0 0.6 | 12 9 -1.9 -9.3 36 50 20680 340 15 5.1 -14.1 | 9 24 -3.8 -24.0 37 30 23890 145 18 -10.3 14.7 | 104 20 -19.2 4.9 38 20 26500 55 7 -5.7 -4.0 | 46 20 -14.6 -13.9 Wind Parameters Mean winds (0-6000m): 192.0 at 17.7 knts Storm direction: 222.0 at 13.3 knts Shear (0-3000m) pos: 0.6 neg: 3.7 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 106.0 deg Storm rel helicity (0-3000m) pos: 33.4 neg: -28.1 tot: 5.3 m^2/s^2 ave: 1.8 10^-3 m/s^2 rel: -0.25 Storm rel vorticity (0-3000m) horiz: 8.6 stream: -2.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.96 Bulk Shear: 13.98 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 ------------------------------------------------------------------------------- 500 221 10 44 3| 0.0 14.9 14.9| 0.0 -13.0 -13.0 -25.9 -0.69| 25.9-17.9 1000 194 12 105 6| 0.0 8.7 8.7| 5.0 -17.9 -13.0 -13.0 -0.53| 17.6 -9.4 1500 184 13 113 9| 1.0 5.8 6.8| 14.1 -17.9 -3.8 -2.6 -0.42| 12.7 -5.3 2000 182 14 114 9| 1.0 4.4 5.4| 14.1 -26.3 -12.2 -6.1 -0.45| 10.6 -4.8 2500 181 14 114 9| 0.7 3.5 4.2| 22.3 -28.1 -5.8 -2.3 -0.35| 9.3 -3.3 3000 181 14 118 10| 0.6 3.7 4.3| 33.4 -28.1 5.3 1.8 -0.25| 8.6 -2.2 4000 181 17 128 11| 0.9 3.3 4.3| 50.2 -30.3 19.9 5.0 -0.15| 7.9 -1.2 5000 182 17 131 11| 1.9 2.7 4.7| 54.4 -45.7 8.7 1.7 -0.13| 8.0 -1.1 6000 192 18 145 9| 2.5 2.4 4.9| 58.5 -55.9 2.6 0.4 -0.08| 8.2 -0.7 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250416.23.gif