UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042823.upa.cvt Date: 2300Z 28 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 28 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 1016 18 18.2 16.2 88 2.0 16.9 95 3 290.0 292.1 289.5 322.3 11.47 1 1000 153 17.4 15.0 86 2.4 15.9 270 3 290.5 292.5 289.0 320.9 10.78 2 925 816 14.0 10.7 80 3.3 12.0 210 10 293.6 295.2 288.3 318.7 8.76 3 850 1525 10.0 6.1 77 3.9 7.8 185 17 296.6 297.9 287.8 316.9 6.96 4 817 1853 7.6 5.2 85 2.4 6.3 171 15 297.5 298.7 287.9 317.4 6.80 5 796 2068 7.0 0.0 61 7.0 3.5 185 11 299.0 299.9 286.5 313.4 4.81 6 786 2172 6.0 2.9 80 3.1 4.4 190 10 299.1 300.1 287.7 316.8 6.01 7 761 2436 5.0 -9.0 36 14.0 -0.7 190 12 300.7 301.2 284.8 308.6 2.54 8 757 2479 4.6 -1.4 65 6.0 1.7 194 12 300.8 301.6 286.9 314.5 4.56 9 732 2752 2.2 -0.3 84 2.5 1.0 223 11 301.0 302.0 287.6 316.4 5.12 10 719 2897 1.8 -7.2 51 9.0 -2.0 239 11 302.2 302.7 285.9 311.7 3.09 11 700 3113 1.0 -8.0 51 9.0 -2.7 255 11 303.6 304.1 286.4 312.9 2.99 12 694 3182 0.4 -10.6 43 11.0 -3.9 255 11 303.7 304.1 285.8 311.4 2.45 13 690 3228 0.2 -9.8 47 10.0 -3.8 255 11 304.0 304.4 286.1 312.2 2.63 14 641 3813 -4.7 -9.7 68 5.0 -6.7 267 13 304.9 305.4 286.6 313.8 2.86 15 635 3887 -3.5 -16.5 36 13.0 -7.8 273 13 307.0 307.4 286.2 312.4 1.66 16 589 4479 -5.7 -31.7 11 26.0 -11.5 271 23 311.2 311.3 286.3 312.8 0.46 17 538 5181 -11.9 -22.9 40 11.0 -14.8 275 25 311.9 312.1 287.3 315.7 1.13 18 526 5354 -11.5 -34.5 13 23.0 -16.0 275 29 314.4 314.5 287.3 315.8 0.39 19 500 5740 -14.9 -35.9 15 21.0 -18.6 275 39 314.9 314.9 287.5 316.2 0.36 20 491 5877 -15.3 -41.3 9 26.0 -19.2 275 42 316.0 316.1 287.7 316.8 0.21 21 481 6033 -14.3 -57.3 1 43.0 -19.0 275 45 319.1 319.1 288.5 319.3 0.03 22 464 6306 -14.7 -52.7 2 38.0 -19.3 275 51 321.9 321.9 289.4 322.2 0.06 23 400 7410 -23.7 -53.7 5 30.0 -26.5 275 74 324.2 324.2 290.1 324.4 0.06 24 386 7668 -25.9 -53.9 5 28.0 -28.3 274 76 324.6 324.6 290.2 324.9 0.06 25 321 8978 -34.1 -62.1 4 28.0 -35.5 272 97 330.8 330.9 292.0 331.0 0.03 26 300 9450 -35.1 -65.1 3 30.0 -36.5 275 115 335.9 335.9 293.3 336.0 0.02 27 251 10683 -39.5 -67.5 4 28.0 -40.6 275 135 346.9 346.9 296.0 347.0 0.02 28 250 10710 -39.7 -66.7 4 27.0 -40.8 275 135 347.0 347.0 296.0 347.1 0.02 29 200 12200 -51.1 -73.1 6 22.0 -51.5 275 138 351.8 351.9 297.0 351.9 0.01 30 199 12232 -51.4 -73.1 6 21.8 -51.8 275 138 351.9 351.9 297.1 352.0 0.01 31 191 12497 -53.5 -73.5 7 20.0 -53.8 275 138 352.7 352.7 297.2 352.7 0.01 32 150 14020 -61.3 -83.3 4 22.0 -61.4 280 103 364.5 364.5 299.5 364.5 0.00 33 144 14273 -62.9 -83.9 4 21.0 -63.0 276 101 366.0 366.0 299.8 366.0 0.00 34 131 14856 -62.5 -86.5 3 24.0 -62.7 281 82 376.7 376.7 301.7 376.7 0.00 35 104 16256 -69.9 -88.9 5 19.0 -70.0 282 54 388.3 388.3 303.5 388.3 0.00 36 100 16490 -68.9 -88.9 4 20.0 -69.0 280 48 394.6 394.6 304.5 394.6 0.00 37 95 16794 -71.1 -89.1 5 18.0 -71.2 295 50 396.1 396.1 304.7 396.1 0.00 38 83 17600 -65.5 -89.5 2 24.0 -65.7 299 38 423.1 423.1 308.1 423.1 0.00 39 71 18536 -70.1 -91.1 3 21.0 -70.2 305 23 432.7 432.7 309.1 432.7 0.00 40 70 18620 -69.3 -91.3 3 22.0 -69.4 305 22 436.1 436.1 309.5 436.1 0.00 41 67 18882 -69.9 -91.9 3 22.0 -70.0 312 20 440.3 440.3 309.9 440.3 0.00 42 63 19254 -64.7 -90.7 2 26.0 -65.0 322 17 459.6 459.6 311.7 459.6 0.00 43 50 20680 -61.3 -91.3 1 30.0 -61.8 360 5 499.0 499.0 314.9 499.0 0.00 44 49 20806 -60.7 -91.7 1 31.0 -61.2 354 5 503.3 503.3 315.2 503.3 0.00 45 40 22066 -61.9 -91.9 1 30.0 -62.4 292 5 530.4 530.4 316.9 530.4 0.00 46 30 23870 -56.5 -90.5 1 34.0 -57.9 205 6 590.6 590.6 320.2 590.6 0.00 47 26 24781 -54.1 -90.1 0 36.0 -56.1 249 6 622.1 622.1 321.6 622.1 0.00 48 20 26470 -51.5 -88.5 0 37.0 -54.6 330 6 678.5 678.5 323.7 678.6 0.01 49 16 27922 -50.5 -87.5 0 37.0 -54.4 726.5 726.5 325.3 726.6 0.01 TRP 95 16794 -71.1 -89.1 5 18.0 -71.2 295 50 396.1 396.1 304.7 396.1 0.00 WND 199 12232 -51.4 -73.1 6 21.8 -51.8 275 138 351.9 351.9 297.1 352.0 0.01 Sounding variables and indices 1000-500 mb thick: 5587.00 m Freezing level: 688.00 mb = 3252.30 m = 10670.14 ft Wetbulb zero: 764.39 mb = 2399.86 m = 7873.45 ft Precipitable water: 1.01 inches Sfc-500 mean rel hum: 54.19 % Est. max temperature: 24.16 C = 75.49 F Sfc-Lift cond lev (LCL): 986.60 mb = 267.70 m = 878.25 ft T: 16.81 C 700-500 lapse rate: 6.05 C/km ThetaE index: 8.26 C Layer 761.0- 757.0 mb Conv cond level (CCL): 882.23 mb = 1212.98 m = 3979.55 ft Mean mixing ratio: 9.87 g/kg Conv temperature: 23.50 C = 74.30 F Cap Strength: 2.13 C Lifted Index: 1.49 C Risk: Showers probable Lifted Index @300 mb: 11.76 C Lifted Index @700 mb: 0.57 C Showalter Index: 3.21 C Risk: None Total Totals Index: 45.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.90 C Cross Totals Index: 21.00 C K Index: 22.00 Risk: 20-40 % chance of thunderstorms Sweat Index: 296.20 Risk: None Energy Index: -0.10 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.84 J/kg Max Up Vert Vel: 5.45 m/s Conv Inhibition (B-): 56.82 J/kg Cap Strength: 2.06 C Lift Cond Lev (LCL): 926.50 mb = 802.25 m = 2632.02 ft Lev Free Conv (LFC): 731.50 mb = 2757.71 m = 9047.49 ft Equ Level (EL): 721.50 mb = 2868.98 m = 9412.54 ft B at Equ Level: 7.81 J/kg Max Parcel Lev (MPL): 611.50 mb = 4184.30 m = 13727.85 ft Wind level data Storm motion: 282 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 1016 18 95 3 -3.0 0.3 | 101 16 -15.7 3.0 1 1000 153 270 3 3.0 -0.0 | 106 10 -9.7 2.7 2 982 305 270 11 11.0 -0.0 | 148 3 -1.7 2.7 3 925 816 210 10 5.0 8.7 | 146 14 -7.7 11.4 4 914 914 195 11 2.8 10.6 | 144 17 -9.8 13.3 5 850 1524 180 18 0.0 18.0 | 149 24 -12.7 20.7 6 850 1525 185 17 1.5 16.9 | 150 23 -11.2 19.6 7 819 1829 170 15 -2.6 14.8 | 139 23 -15.3 17.5 8 789 2134 190 10 1.7 9.8 | 139 17 -10.9 12.6 9 760 2438 190 12 2.1 11.8 | 144 18 -10.6 14.5 10 706 3048 255 10 9.7 2.6 | 150 6 -3.0 5.3 11 700 3113 255 11 10.6 2.8 | 160 6 -2.0 5.6 12 653 3658 255 12 11.6 3.1 | 169 6 -1.1 5.8 13 628 3962 280 14 13.8 -2.4 | 256 1 1.1 0.3 14 604 4267 270 22 22.0 -0.0 | 254 10 9.3 2.7 15 537 5182 275 25 24.9 -2.2 | 268 12 12.2 0.5 16 500 5740 275 39 38.9 -3.4 | 272 26 26.2 -0.7 17 405 7315 275 72 71.7 -6.3 | 273 59 59.1 -3.6 18 400 7410 275 74 73.7 -6.4 | 274 61 61.0 -3.7 19 341 8534 270 81 81.0 -0.0 | 268 68 68.3 2.7 20 300 9450 275 115 114.6 -10.0 | 274 102 101.9 -7.3 21 287 9754 280 120 118.2 -20.8 | 280 107 105.5 -18.1 22 250 10710 275 135 134.5 -11.8 | 274 122 121.8 -9.1 23 219 11582 275 138 137.5 -12.0 | 274 125 124.8 -9.3 24 200 12200 275 138 137.5 -12.0 | 274 125 124.8 -9.3 25 199 12232 275 138 137.5 -12.0 | 274 125 124.8 -9.3 26 191 12497 275 138 137.5 -12.0 | 274 125 124.8 -9.3 27 165 13411 280 110 108.3 -19.1 | 280 97 95.7 -16.4 28 150 14020 280 103 101.4 -17.9 | 280 90 88.8 -15.2 29 143 14326 275 100 99.6 -8.7 | 274 87 86.9 -6.0 30 117 15545 290 57 53.6 -19.5 | 292 44 40.9 -16.8 31 111 15850 285 64 61.8 -16.6 | 286 51 49.1 -13.9 32 100 16490 280 48 47.3 -8.3 | 279 35 34.6 -5.6 33 95 16764 280 48 47.3 -8.3 | 279 35 34.6 -5.6 34 95 16794 295 50 45.3 -21.1 | 299 37 32.6 -18.4 35 70 18620 305 22 18.0 -12.6 | 332 11 5.4 -9.9 36 50 20680 360 5 -0.0 -5.0 | 80 13 -12.7 -2.3 37 30 23870 205 6 2.5 5.4 | 129 13 -10.1 8.1 38 20 26470 330 6 3.0 -5.2 | 76 10 -9.7 -2.5 Wind Parameters Mean winds (0-6000m): 252.1 at 17.3 knts Storm direction: 282.1 at 13.0 knts Shear (0-3000m) pos: 4.2 neg: 2.8 tot: 7.0 10-3/s Storm rel Dir Shear (0-3000m): 51.6 deg Storm rel helicity (0-3000m) pos: 44.3 neg: -34.4 tot: 9.8 m^2/s^2 ave: 3.3 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 10.5 stream: 1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.14 Bulk Shear: 13.07 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 ------------------------------------------------------------------------------- 500 261 8 126 6| 13.6 0.0 13.6| 16.1 -0.5 15.6 31.2 0.36| 20.0 7.2 1000 233 9 146 10| 6.8 5.2 12.1| 18.6 -9.2 9.4 9.4 0.16| 15.4 2.5 1500 208 11 149 14| 4.5 5.7 10.2| 24.0 -9.3 14.7 9.8 0.16| 12.5 2.0 2000 197 12 147 17| 3.4 4.2 7.6| 26.0 -32.2 -6.3 -3.1 0.05| 11.7 0.6 2500 195 12 146 17| 3.4 3.4 6.8| 36.8 -33.6 3.2 1.3 0.09| 10.4 0.9 3000 199 12 148 16| 4.2 2.8 7.0| 44.3 -34.4 9.8 3.3 0.10| 10.5 1.0 4000 216 12 155 13| 4.1 2.1 6.2| 50.1 -34.4 15.7 3.9 0.17| 9.0 1.5 5000 237 14 175 10| 3.5 1.6 5.1| 55.8 -35.3 20.5 4.1 0.17| 8.2 1.4 6000 252 17 205 9| 3.6 1.5 5.1| 65.6 -35.3 30.4 5.1 0.15| 8.6 1.3 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250428.23.gif