UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102723.upa.cvt Date: 2300Z 27 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 27 OCT 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 1018 21 15.8 6.8 55 9.0 10.9 120 3 287.5 288.5 283.2 304.7 6.09 1 1000 171 13.8 5.8 58 8.0 9.6 140 9 287.0 288.0 282.7 303.3 5.78 2 925 821 7.6 4.2 79 3.4 5.9 130 13 287.1 288.1 282.5 302.9 5.59 3 913 929 6.4 3.8 83 2.6 5.1 120 13 286.9 287.9 282.4 302.5 5.51 4 850 1511 1.8 -0.3 86 2.1 0.8 100 18 288.0 288.8 281.6 300.6 4.40 5 845 1559 1.6 0.2 90 1.4 1.0 95 20 288.3 289.1 282.0 301.4 4.59 6 791 2091 0.0 0.0 100 0.0 0.0 34 15 292.1 293.0 283.8 306.1 4.84 7 700 3070 -1.9 -3.1 91 1.2 -2.4 285 17 300.4 301.2 286.5 313.5 4.35 8 500 5680 -15.3 -16.7 89 1.4 -15.7 315 55 314.4 314.8 289.1 321.2 2.07 9 400 7320 -27.1 -28.7 86 1.6 -27.4 305 80 319.8 319.9 289.6 322.9 0.89 10 300 9360 -36.9 -57.9 10 21.0 -38.0 310 108 333.4 333.4 292.7 333.6 0.05 11 259 10364 -44.6 -51.2 48 6.6 -45.0 310 117 336.3 336.3 293.5 336.8 0.13 12 250 10600 -46.5 -49.6 71 3.1 -46.7 310 114 336.9 337.0 293.7 337.6 0.17 13 200 12040 -54.3 -74.3 7 20.0 -54.6 300 95 346.8 346.8 295.9 346.8 0.01 14 150 13850 -61.5 -82.5 5 21.0 -61.7 295 78 364.1 364.1 299.5 364.1 0.00 15 138 14366 -63.7 -82.7 6 19.0 -63.8 300 81 369.0 369.0 300.4 369.1 0.00 16 100 16370 -58.9 -85.9 2 27.0 -59.2 280 34 413.9 413.9 307.0 413.9 0.00 17 90 17025 -61.9 -86.9 2 25.0 -62.1 279 31 420.6 420.6 307.8 420.6 0.00 18 80 17758 -58.3 -87.3 1 29.0 -58.7 277 24 442.4 442.4 310.1 442.4 0.00 19 70 18590 -61.5 -87.5 2 26.0 -61.9 275 15 452.8 452.8 311.1 452.8 0.00 20 65 19047 -63.7 -88.7 2 25.0 -64.0 253 14 457.7 457.7 311.5 457.7 0.00 21 55 20089 -56.5 -86.5 1 30.0 -57.3 203 12 496.6 496.6 314.7 496.6 0.00 22 50 20690 -58.7 -87.7 1 29.0 -59.4 175 11 505.2 505.2 315.3 505.2 0.00 23 41 21946 -55.7 -86.7 1 31.0 -56.8 134 11 542.1 542.1 317.6 542.2 0.01 24 37 22597 -57.5 -87.5 1 30.0 -58.5 113 12 553.7 553.7 318.3 553.7 0.00 25 30 23940 -51.9 -85.9 1 34.0 -54.1 70 12 603.2 603.2 320.7 603.2 0.01 26 29 24160 -51.7 -85.7 1 34.0 -53.9 73 13 609.6 609.6 321.0 609.6 0.01 27 23 25657 -53.5 -85.5 1 32.0 -55.8 93 19 646.1 646.1 322.5 646.1 0.01 28 20 26560 -51.9 -84.9 1 33.0 -54.8 105 22 677.3 677.3 323.7 677.4 0.01 29 19 26893 -50.9 -84.9 1 34.0 -54.2 690.4 690.4 324.1 690.5 0.02 TRP 138 14366 -63.7 -82.7 6 19.0 -63.8 300 81 369.0 369.0 300.4 369.1 0.00 WND 259 10364 -44.6 -51.2 48 6.6 -45.0 310 117 336.3 336.3 293.5 336.8 0.13 Sounding variables and indices 1000-500 mb thick: 5509.00 m Freezing level: 791.00 mb = 2091.22 m = 6860.88 ft Wetbulb zero: 790.27 mb = 2098.63 m = 6885.17 ft Precipitable water: 0.98 inches Sfc-500 mean rel hum: 87.71 % Est. max temperature: 16.04 C = 60.86 F Sfc-Lift cond lev (LCL): 889.36 mb = 1142.18 m = 3747.28 ft T: 4.71 C 700-500 lapse rate: 5.13 C/km ThetaE index: 4.04 C Layer 1000.0- 845.0 mb Conv cond level (CCL): 876.09 mb = 1264.74 m = 4149.36 ft Mean mixing ratio: 5.72 g/kg Conv temperature: 15.89 C = 60.61 F Cap Strength: 5.76 C Lifted Index: 11.46 C Risk: None Lifted Index @300 mb: 21.50 C Lifted Index @700 mb: 5.76 C Showalter Index: 13.22 C Risk: None Total Totals Index: 32.10 C Risk: None Vertical Totals Index: 17.10 C Cross Totals Index: 15.00 C K Index: 15.60 Risk: < 20 % chance of thunderstorms Sweat Index: 91.00 Risk: None Energy Index: 4.23 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.97 J/kg Max Up Vert Vel: 1.99 m/s Conv Inhibition (B-): 3.43 J/kg Cap Strength: 11.34 C Lift Cond Lev (LCL): 882.90 mb = 1201.65 m = 3942.38 ft Lev Free Conv (LFC): 857.90 mb = 1435.66 m = 4710.12 ft Equ Level (EL): 837.90 mb = 1626.80 m = 5337.22 ft B at Equ Level: 1.88 J/kg Max Parcel Lev (MPL): 817.90 mb = 1821.60 m = 5976.31 ft Wind level data Storm motion: 348 at 16 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 1018 21 120 3 -2.6 1.5 | 161 18 -5.9 17.0 1 1000 171 140 9 -5.8 6.9 | 158 24 -9.1 22.3 2 984 305 140 12 -7.7 9.2 | 156 27 -11.0 24.6 3 949 610 140 14 -9.0 10.7 | 155 29 -12.3 26.2 4 925 821 130 13 -10.0 8.4 | 151 27 -13.3 23.8 5 914 914 120 13 -11.3 6.5 | 146 26 -14.6 22.0 6 850 1511 100 18 -17.7 3.1 | 131 28 -21.1 18.6 7 849 1524 100 21 -20.7 3.6 | 129 31 -24.0 19.1 8 817 1829 55 12 -9.8 -6.9 | 123 16 -13.2 8.6 9 787 2134 30 16 -8.0 -13.9 | 98 11 -11.3 1.6 10 757 2438 320 20 12.9 -15.3 | 269 10 9.5 0.1 11 700 3070 285 17 16.4 -4.4 | 230 17 13.1 11.1 12 675 3353 280 17 16.7 -3.0 | 227 18 13.4 12.5 13 624 3962 290 21 19.7 -7.2 | 243 18 16.4 8.3 14 600 4267 315 13 9.2 -9.2 | 223 9 5.9 6.3 15 555 4877 330 21 10.5 -18.2 | 291 8 7.2 -2.7 16 533 5182 310 28 21.4 -18.0 | 278 18 18.1 -2.5 17 500 5680 315 55 38.9 -38.9 | 303 43 35.6 -23.4 18 492 5791 315 55 38.9 -38.9 | 303 43 35.6 -23.4 19 400 7320 305 80 65.5 -45.9 | 296 69 62.2 -30.4 20 383 7620 310 82 62.8 -52.7 | 302 70 59.5 -37.3 21 300 9360 310 108 82.7 -69.4 | 304 96 79.4 -54.0 22 259 10364 310 117 89.6 -75.2 | 305 105 86.3 -59.8 23 250 10600 310 114 87.3 -73.3 | 305 102 84.0 -57.8 24 247 10668 310 117 89.6 -75.2 | 305 105 86.3 -59.8 25 200 12040 300 95 82.3 -47.5 | 292 85 78.9 -32.0 26 161 13411 305 91 74.5 -52.2 | 297 80 71.2 -36.7 27 150 13850 295 78 70.7 -33.0 | 285 70 67.4 -17.5 28 138 14366 300 81 70.1 -40.5 | 291 71 66.8 -25.0 29 132 14630 300 79 68.4 -39.5 | 290 69 65.1 -24.0 30 120 15240 280 77 75.8 -13.4 | 268 73 72.5 2.1 31 114 15545 280 51 50.2 -8.9 | 262 47 46.9 6.6 32 100 16370 280 34 33.5 -5.9 | 252 32 30.2 9.5 33 94 16764 280 34 33.5 -5.9 | 252 32 30.2 9.5 34 70 18590 275 15 14.9 -1.3 | 219 18 11.6 14.1 35 50 20690 175 11 -1.0 11.0 | 171 27 -4.3 26.4 36 30 23940 70 12 -11.3 -4.1 | 128 18 -14.6 11.3 37 20 26560 105 22 -21.3 5.7 | 131 32 -24.6 21.1 Wind Parameters Mean winds (0-6000m): 317.9 at 21.1 knts Storm direction: 347.9 at 15.8 knts Shear (0-3000m) pos: 1.8 neg: 5.1 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 71.3 deg Storm rel helicity (0-3000m) pos: 3.0 neg: -199.1 tot: -196.2 m^2/s^2 ave: -65.4 10^-3 m/s^2 rel: -0.60 Storm rel vorticity (0-3000m) horiz: 14.2 stream: -8.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 128.64 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 ------------------------------------------------------------------------------- 500 139 10 157 25| 11.0 0.0 11.0| 0.0 -13.5 -13.5 -26.9 -0.21| 11.0 -2.3 1000 134 12 154 26| 5.5 2.9 8.4| 0.0 -51.8 -51.8 -51.8 -0.44| 8.8 -3.9 1500 123 13 148 27| 3.7 4.5 8.2| 0.0-104.6-104.6 -69.7 -0.58| 8.6 -5.0 2000 110 14 141 26| 2.7 5.5 8.3| 3.0-145.5-142.5 -71.3 -0.48| 11.5 -5.5 2500 92 15 132 24| 2.2 6.8 9.0| 3.0-174.3-171.3 -68.5 -0.59| 15.1 -8.9 3000 74 15 122 21| 1.8 5.1 6.9| 3.0-199.1-196.2 -65.4 -0.60| 14.2 -8.6 4000 333 16 254 4| 1.0 3.8 4.8| 27.2-205.7-178.5 -44.6 -0.51| 11.8 -6.0 5000 324 16 251 7| 1.4 3.9 5.2| 43.3-216.9-173.6 -34.7 -0.37| 11.7 -4.3 6000 318 21 271 11| 0.8 5.1 6.0|132.2-229.6 -97.4 -16.2 -0.22| 12.9 -2.8 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251027.23.gif