UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042723.upa.cvt Date: 2300Z 27 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 27 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 18.0 17.0 94 1.0 17.4 310 3 290.2 292.4 290.1 324.4 12.14 1 1000 118 17.6 15.6 88 2.0 16.3 235 8 290.8 292.7 289.5 322.4 11.21 2 925 782 14.0 13.9 99 0.1 14.0 175 31 293.6 295.6 290.2 324.6 10.85 3 894 1069 12.6 12.6 100 0.0 12.6 166 33 295.1 296.9 290.2 324.7 10.31 4 865 1345 10.0 8.8 92 1.2 9.3 159 32 295.1 296.6 288.4 319.0 8.24 5 850 1491 10.0 8.5 90 1.5 9.1 155 32 296.6 298.1 288.9 320.5 8.22 6 704 3041 3.4 1.2 85 2.2 2.2 156 18 305.8 306.9 289.9 323.8 5.94 7 700 3087 3.0 0.7 85 2.3 1.8 155 17 305.8 306.9 289.8 323.4 5.76 8 648 3708 -1.1 -1.9 94 0.8 -1.5 155 16 308.0 309.0 289.9 323.9 5.14 9 640 3807 -0.5 -2.7 85 2.2 -1.6 166 15 309.8 310.7 290.3 325.0 4.90 10 578 4617 -4.1 -12.1 54 8.0 -7.2 198 22 314.7 315.2 289.8 323.2 2.61 11 567 4768 -3.9 -15.9 39 12.0 -8.2 191 21 316.7 317.1 289.7 323.2 1.95 12 519 5461 -8.1 -47.1 3 39.0 -14.3 207 27 319.7 319.8 288.8 320.1 0.11 13 500 5750 -10.5 -46.5 3 36.0 -16.0 225 30 320.2 320.3 288.9 320.7 0.12 14 442 6683 -16.9 -42.9 9 26.0 -20.7 257 18 323.6 323.7 290.1 324.4 0.20 15 400 7420 -23.9 -43.9 14 20.0 -26.3 260 15 323.9 324.0 290.2 324.7 0.19 16 367 8043 -29.7 -43.7 24 14.0 -31.2 267 15 324.3 324.3 290.3 325.1 0.22 17 350 8380 -32.9 -49.9 17 17.0 -34.2 259 19 324.4 324.4 290.2 324.8 0.11 18 300 9450 -40.5 -64.5 6 24.0 -41.3 235 33 328.3 328.3 291.3 328.4 0.02 19 295 9564 -41.1 -66.1 5 25.0 -41.9 237 33 329.0 329.0 291.5 329.1 0.02 20 272 10112 -44.3 -61.3 13 17.0 -44.9 244 50 332.1 332.1 292.3 332.2 0.04 21 260 10416 -42.3 -71.3 3 29.0 -43.1 247 64 339.3 339.4 294.1 339.4 0.01 22 250 10680 -43.7 -71.7 3 28.0 -44.5 250 76 341.1 341.1 294.6 341.1 0.01 23 211 11814 -44.3 -77.3 1 33.0 -45.2 255 98 357.1 357.1 298.1 357.1 0.00 24 207 11942 -45.2 -77.8 1 32.6 -45.9 255 101 357.7 357.7 298.2 357.7 0.00 25 200 12170 -46.7 -78.7 1 32.0 -47.4 255 97 358.8 358.8 298.5 358.8 0.00 26 155 13823 -57.9 -83.9 2 26.0 -58.2 250 64 366.9 366.9 300.0 366.9 0.00 27 150 14030 -58.1 -84.1 2 26.0 -58.3 255 54 370.0 370.0 300.5 370.0 0.00 28 114 15727 -65.3 -88.3 3 23.0 -65.4 264 53 386.8 386.8 303.3 386.8 0.00 29 100 16520 -67.1 -88.1 4 21.0 -67.2 255 29 398.1 398.1 304.9 398.1 0.00 30 97 16703 -68.5 -88.5 4 20.0 -68.6 260 27 398.8 398.8 305.0 398.8 0.00 31 81 17782 -69.5 -90.5 3 21.0 -69.6 287 25 417.9 417.9 307.4 417.9 0.00 32 79 17932 -67.1 -90.1 2 23.0 -67.2 292 24 425.8 425.8 308.4 425.9 0.00 33 70 18660 -68.5 -90.5 3 22.0 -68.7 315 21 437.8 437.8 309.7 437.8 0.00 34 67 18922 -69.1 -90.1 3 21.0 -69.2 318 19 442.1 442.1 310.1 442.1 0.00 35 62 19390 -65.7 -90.7 2 25.0 -65.9 322 17 459.5 459.5 311.7 459.5 0.00 36 58 19794 -67.3 -91.3 2 24.0 -67.5 326 14 464.7 464.7 312.2 464.7 0.00 37 50 20700 -62.5 -90.5 1 28.0 -62.9 335 9 496.2 496.2 314.7 496.2 0.00 38 49 20825 -61.1 -90.1 1 29.0 -61.6 329 9 502.4 502.4 315.1 502.4 0.00 39 38 22412 -59.5 -89.5 1 30.0 -60.3 249 10 544.4 544.4 317.8 544.4 0.00 40 33 23304 -55.5 -88.5 1 33.0 -56.9 205 10 577.4 577.4 319.5 577.4 0.00 41 30 23910 -57.3 -88.3 1 31.0 -58.5 175 10 588.4 588.4 320.0 588.5 0.01 42 28 24346 -58.3 -89.3 1 31.0 -59.5 179 9 597.4 597.4 320.5 597.4 0.00 43 20 26500 -51.1 -87.1 1 36.0 -54.3 200 2 679.8 679.8 323.7 679.8 0.01 44 18 27182 -52.9 -86.9 1 34.0 -55.8 694.9 694.9 324.3 695.0 0.01 45 15 28367 -49.7 -86.7 1 37.0 -54.1 742.7 742.7 325.7 742.8 0.01 TRP 97 16703 -68.5 -88.5 4 20.0 -68.6 260 27 398.8 398.8 305.0 398.8 0.00 WND 207 11942 -45.2 -77.8 1 32.6 -45.9 255 101 357.7 357.7 298.2 357.7 0.00 Sounding variables and indices 1000-500 mb thick: 5632.00 m Freezing level: 661.95 mb = 3541.20 m = 11617.98 ft Wetbulb zero: 671.83 mb = 3417.32 m = 11211.56 ft Precipitable water: 1.35 inches Sfc-500 mean rel hum: 73.07 % Est. max temperature: 23.31 C = 73.96 F Sfc-Lift cond lev (LCL): 996.40 mb = 148.71 m = 487.88 ft T: 17.43 C 700-500 lapse rate: 5.07 C/km ThetaE index: 5.70 C Layer 865.0- 850.0 mb Conv cond level (CCL): 930.71 mb = 729.56 m = 2393.54 ft Mean mixing ratio: 11.05 g/kg Conv temperature: 21.17 C = 70.10 F Cap Strength: 4.36 C Lifted Index: 3.89 C Risk: None Lifted Index @300 mb: 3.89 C Lifted Index @700 mb: 1.08 C Showalter Index: 5.59 C Risk: None Total Totals Index: 39.50 C Risk: None Vertical Totals Index: 20.50 C Cross Totals Index: 19.00 C K Index: 26.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 338.46 Risk: Showers and thunderstorms possible Energy Index: 0.16 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 20.78 J/kg Max Up Vert Vel: 6.45 m/s Conv Inhibition (B-): 6.46 J/kg Cap Strength: 4.29 C Lift Cond Lev (LCL): 946.54 mb = 585.97 m = 1922.46 ft Lev Free Conv (LFC): 881.54 mb = 1186.80 m = 3893.67 ft Equ Level (EL): 811.54 mb = 1871.79 m = 6140.98 ft B at Equ Level: 20.54 J/kg Max Parcel Lev (MPL): 711.54 mb = 2953.17 m = 9688.77 ft Wind level data Storm motion: 209 at 18 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 25 310 3 2.3 -1.9 | 19 18 -6.1 -17.3 1 1000 118 235 8 6.6 4.6 | 10 11 -1.8 -10.8 2 978 305 195 19 4.9 18.4 | 131 5 -3.5 3.0 3 925 782 175 31 -2.7 30.9 | 144 19 -11.1 15.5 4 911 914 170 33 -5.7 32.5 | 141 22 -14.1 17.1 5 850 1491 155 32 -13.5 29.0 | 122 26 -21.9 13.6 6 847 1524 155 32 -13.5 29.0 | 122 26 -21.9 13.6 7 786 2134 160 27 -9.2 25.4 | 120 20 -17.6 10.0 8 757 2438 170 26 -4.5 25.6 | 128 16 -12.9 10.2 9 700 3087 155 17 -7.2 15.4 | 90 16 -15.6 0.0 10 651 3658 150 16 -8.0 13.9 | 85 16 -16.4 -1.5 11 627 3962 185 14 1.2 13.9 | 79 7 -7.2 -1.4 12 603 4267 205 18 7.6 16.3 | 141 1 -0.8 0.9 13 580 4572 200 22 7.5 20.7 | 171 5 -0.8 5.3 14 558 4877 185 21 1.8 20.9 | 130 9 -6.5 5.5 15 537 5182 190 24 4.2 23.6 | 153 9 -4.2 8.3 16 500 5750 225 30 21.2 21.2 | 246 14 12.8 5.8 17 497 5791 225 30 21.2 21.2 | 246 14 12.8 5.8 18 458 6401 230 17 13.0 10.9 | 314 6 4.7 -4.5 19 440 6706 260 18 17.7 3.1 | 323 15 9.4 -12.3 20 400 7420 260 15 14.8 2.6 | 333 14 6.4 -12.8 21 372 7925 270 14 14.0 -0.0 | 340 16 5.6 -15.4 22 300 9449 230 30 23.0 19.3 | 255 15 14.6 3.9 23 300 9450 235 33 27.0 18.9 | 259 19 18.7 3.5 24 287 9754 240 34 29.4 17.0 | 266 21 21.1 1.6 25 250 10680 250 76 71.4 26.0 | 260 64 63.0 10.6 26 239 10973 255 80 77.3 20.7 | 266 69 68.9 5.3 27 207 11942 255 101 97.6 26.1 | 263 90 89.2 10.8 28 200 12170 255 97 93.7 25.1 | 264 86 85.3 9.7 29 199 12192 255 101 97.6 26.1 | 263 90 89.2 10.8 30 173 13106 250 90 84.6 30.8 | 259 78 76.2 15.4 31 150 14021 250 57 53.6 19.5 | 265 45 45.2 4.1 32 150 14030 255 54 52.2 14.0 | 272 44 43.8 -1.4 33 143 14326 255 51 49.3 13.2 | 273 41 40.9 -2.2 34 129 14935 270 57 57.0 -0.0 | 288 51 48.6 -15.4 35 123 15240 260 64 63.0 11.1 | 274 55 54.7 -4.3 36 112 15850 265 50 49.8 4.4 | 285 43 41.4 -11.0 37 106 16154 240 36 31.2 18.0 | 263 23 22.8 2.6 38 100 16520 255 29 28.0 7.5 | 292 21 19.6 -7.9 39 97 16703 260 27 26.6 4.7 | 300 21 18.2 -10.7 40 96 16764 255 29 28.0 7.5 | 292 21 19.6 -7.9 41 70 18660 315 21 14.8 -14.8 | 348 31 6.5 -30.2 42 50 20700 335 9 3.8 -8.2 | 11 24 -4.6 -23.5 43 30 23910 175 10 -0.9 10.0 | 60 11 -9.2 -5.4 44 20 26500 200 2 0.7 1.9 | 30 16 -7.7 -13.5 Wind Parameters Mean winds (0-6000m): 178.6 at 23.4 knts Storm direction: 208.6 at 17.5 knts Shear (0-3000m) pos: 1.6 neg: 5.0 tot: 6.6 10-3/s Storm rel Dir Shear (0-3000m): 74.3 deg Storm rel helicity (0-3000m) pos: 20.5 neg: -114.0 tot: -93.5 m^2/s^2 ave: -31.2 10^-3 m/s^2 rel: -0.13 Storm rel vorticity (0-3000m) horiz: 12.1 stream: -1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.53 Bulk Shear: 13.62 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 ------------------------------------------------------------------------------- 500 198 16 81 4| 0.0 27.1 27.1| 7.4 -9.3 -1.9 -3.9 0.27| 31.3 8.5 1000 182 23 134 11| 0.0 18.1 18.1| 7.4 -28.9 -21.6 -21.6 0.11| 22.5 2.4 1500 173 26 132 16| 0.0 11.9 11.9| 7.4 -69.0 -61.7 -41.1 -0.03| 17.4 -0.5 2000 168 27 129 18| 1.2 8.9 10.1| 7.4 -73.1 -65.7 -32.9 -0.04| 14.2 -0.6 2500 167 27 127 18| 2.0 7.1 9.1| 20.5 -80.1 -59.7 -23.9 -0.02| 12.8 -0.2 3000 167 26 125 17| 1.6 5.0 6.6| 20.5-114.0 -93.5 -31.2 -0.13| 12.1 -1.6 4000 165 23 117 16| 2.4 3.6 6.0| 21.9-125.8-103.9 -26.0 -0.14| 10.7 -1.5 5000 171 23 120 14| 2.4 3.4 5.8| 27.5-132.6-105.1 -21.0 -0.11| 10.2 -1.1 6000 179 23 132 12| 3.4 2.8 6.2| 84.4-132.6 -48.3 -8.0 0.08| 10.6 0.9 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250427.23.gif