UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 21 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 1013 23 15.4 12.5 83 2.9 13.7 310 3 287.5 289.1 286.3 312.7 9.02 1 1001 124 16.4 8.4 59 8.0 11.9 301 7 289.5 290.7 284.9 309.1 6.92 2 1000 132 16.2 8.2 59 8.0 11.7 300 7 289.4 290.6 284.8 308.7 6.83 3 930 748 13.8 8.8 72 5.0 10.9 215 16 293.0 294.3 287.1 314.9 7.66 4 925 793 13.4 8.7 73 4.7 10.7 215 15 293.0 294.4 287.1 315.0 7.65 5 850 1498 7.6 7.1 97 0.5 7.3 195 18 294.1 295.4 287.3 315.6 7.46 6 848 1517 7.4 6.9 97 0.5 7.1 196 18 294.1 295.4 287.2 315.4 7.38 7 742 2607 1.2 -5.8 60 7.0 -1.8 167 17 298.8 299.4 284.9 308.9 3.34 8 720 2849 0.0 -0.8 94 0.8 -0.4 163 18 300.1 301.0 287.1 315.1 5.01 9 700 3075 -1.5 -2.5 93 1.0 -2.0 170 20 300.8 301.7 286.9 314.5 4.55 10 688 3212 -2.3 -2.9 96 0.6 -2.6 172 20 301.4 302.2 287.1 315.0 4.49 11 669 3434 -3.3 -6.3 80 3.0 -4.6 169 22 302.7 303.4 286.6 313.7 3.57 12 662 3518 -2.3 -8.3 63 6.0 -4.7 162 24 304.8 305.3 286.9 314.4 3.09 13 648 3687 -3.3 -11.3 54 8.0 -6.3 150 27 305.5 306.0 286.5 313.3 2.49 14 637 3822 -4.3 -8.6 72 4.3 -6.0 149 28 305.9 306.4 287.3 315.6 3.13 15 624 3984 -4.7 -13.7 49 9.0 -7.9 147 30 307.2 307.6 286.8 314.0 2.13 16 606 4214 -6.3 -15.3 49 9.0 -9.4 146 31 307.9 308.3 286.8 314.1 1.92 17 598 4317 -7.3 -11.1 74 3.8 -8.7 146 32 308.0 308.5 287.6 316.6 2.74 18 584 4502 -7.9 -16.9 48 9.0 -10.8 152 33 309.4 309.7 287.1 315.0 1.74 19 517 5437 -14.3 -17.3 78 3.0 -15.2 168 38 312.6 313.0 288.3 318.8 1.90 20 501 5675 -15.9 -21.9 60 6.0 -17.4 165 41 313.5 313.7 288.1 317.9 1.32 21 500 5690 -15.7 -20.7 65 5.0 -17.1 165 41 313.9 314.2 288.3 318.8 1.47 22 499 5705 -15.5 -18.3 79 2.8 -16.3 165 41 314.3 314.7 288.8 320.3 1.81 23 496 5751 -15.5 -20.1 68 4.6 -16.8 165 41 314.9 315.2 288.8 320.1 1.56 24 456 6381 -21.3 -22.7 88 1.4 -21.7 163 42 315.3 315.5 288.7 319.8 1.35 25 455 6397 -21.5 -23.3 85 1.8 -21.9 163 42 315.2 315.5 288.6 319.6 1.29 26 448 6512 -21.1 -28.1 53 7.0 -22.5 163 42 317.1 317.3 288.8 320.0 0.84 27 435 6729 -22.7 -34.7 33 12.0 -24.6 162 42 317.8 317.9 288.5 319.4 0.46 28 400 7340 -27.9 -35.9 46 8.0 -29.0 160 43 318.7 318.8 288.8 320.3 0.45 29 361 8064 -34.1 -37.9 68 3.8 -34.5 152 44 319.9 320.0 289.2 321.4 0.40 30 358 8122 -34.5 -42.5 44 8.0 -35.2 151 44 320.1 320.2 289.0 321.1 0.25 31 354 8200 -35.1 -42.1 49 7.0 -35.7 150 44 320.4 320.4 289.2 321.4 0.27 32 342 8439 -36.5 -45.5 39 9.0 -37.2 153 45 321.6 321.7 289.5 322.4 0.19 33 337 8540 -36.3 -56.3 11 20.0 -37.4 155 46 323.3 323.3 289.8 323.5 0.06 34 336 8561 -36.1 -54.1 14 18.0 -37.1 155 46 323.8 323.8 290.0 324.1 0.07 35 306 9204 -38.5 -57.5 12 19.0 -39.4 170 34 329.2 329.2 291.6 329.4 0.05 36 300 9340 -37.9 -55.9 13 18.0 -38.9 185 32 332.0 332.0 292.3 332.2 0.07 37 291 9549 -38.9 -69.9 2 31.0 -39.9 190 33 333.4 333.4 292.6 333.5 0.01 38 272 10016 -35.3 -74.3 1 39.0 -36.9 213 38 345.2 345.2 295.6 345.2 0.01 39 250 10600 -37.7 -74.7 1 37.0 -39.1 225 42 350.0 350.0 296.7 350.0 0.01 40 200 12110 -44.9 -80.9 1 36.0 -45.7 245 48 361.7 361.7 299.0 361.7 0.00 41 185 12630 -47.1 -82.1 1 35.0 -47.8 255 50 366.3 366.3 299.9 366.3 0.00 42 182 12739 -46.7 -81.7 1 35.0 -47.4 255 50 368.6 368.6 300.3 368.6 0.00 43 150 14000 -55.1 -84.1 2 29.0 -55.5 255 56 375.1 375.1 301.5 375.1 0.00 44 133 14761 -59.6 -85.8 2 26.2 -59.8 255 61 380.3 380.3 302.3 380.3 0.00 45 116 15608 -64.7 -87.7 3 23.0 -64.8 248 54 386.0 386.0 303.2 386.0 0.00 46 108 16043 -66.5 -88.5 3 22.0 -66.6 256 47 390.5 390.5 303.9 390.6 0.00 47 100 16510 -65.7 -88.7 3 23.0 -65.8 245 46 400.8 400.8 305.3 400.8 0.00 48 84 17561 -68.5 -89.5 3 21.0 -68.6 264 32 415.6 415.6 307.2 415.6 0.00 49 72 18490 -66.1 -90.1 2 24.0 -66.3 286 15 439.4 439.4 309.8 439.4 0.00 50 70 18660 -67.5 -90.5 2 23.0 -67.7 290 12 440.0 440.0 309.8 440.0 0.00 51 63 19292 -68.5 -91.5 2 23.0 -68.7 237 10 451.2 451.2 311.0 451.2 0.00 52 51 20578 -61.9 -90.9 1 29.0 -62.3 130 5 494.8 494.8 314.6 494.8 0.00 53 50 20700 -62.9 -90.9 1 28.0 -63.3 120 5 495.3 495.3 314.6 495.3 0.00 54 30 23890 -57.5 -89.5 1 32.0 -58.7 35 5 587.9 587.9 320.0 587.9 0.00 55 20 26500 -50.9 -86.9 1 36.0 -54.1 265 9 680.4 680.4 323.8 680.4 0.01 56 17 27563 -48.7 -86.7 0 38.0 -53.1 719.8 719.8 325.0 719.9 0.01 57 15 28385 -49.5 -87.5 0 38.0 -53.9 743.4 743.4 325.7 743.5 0.01 TRP 306 9204 -38.5 -57.5 12 19.0 -39.4 170 34 329.2 329.2 291.6 329.4 0.05 WND 133 14761 -59.6 -85.8 2 26.2 -59.8 255 61 380.3 380.3 302.3 380.3 0.00 Sounding variables and indices 1000-500 mb thick: 5558.00 m Freezing level: 720.00 mb = 2849.38 m = 9348.25 ft Wetbulb zero: 763.38 mb = 2375.27 m = 7792.79 ft Precipitable water: 1.04 inches Sfc-500 mean rel hum: 72.15 % Est. max temperature: 21.86 C = 71.34 F Sfc-Lift cond lev (LCL): 970.08 mb = 389.64 m = 1278.33 ft T: 15.20 C 700-500 lapse rate: 5.43 C/km ThetaE index: 6.73 C Layer 848.0- 720.0 mb Conv cond level (CCL): 835.58 mb = 1637.87 m = 5373.53 ft Mean mixing ratio: 7.39 g/kg Conv temperature: 22.56 C = 72.61 F Cap Strength: 4.88 C Lifted Index: 5.20 C Risk: None Lifted Index @300 mb: 14.23 C Lifted Index @700 mb: 1.53 C Showalter Index: 3.21 C Risk: None Total Totals Index: 46.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.30 C Cross Totals Index: 22.80 C K Index: 29.40 Risk: 40-60 % chance of thunderstorms Sweat Index: 162.20 Risk: None Energy Index: 0.60 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.45 J/kg Max Up Vert Vel: 4.57 m/s Conv Inhibition (B-): 47221.29 J/kg Cap Strength: 4.78 C Lift Cond Lev (LCL): 878.77 mb = 1220.51 m = 4004.26 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 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 1013 23 310 3 2.3 -1.9 | 12 20 -4.2 -19.1 1 1000 132 300 7 6.1 -3.5 | 1 21 -0.4 -20.7 2 980 305 255 13 12.6 3.4 | 336 15 6.1 -13.8 3 945 610 215 20 11.5 16.4 | 279 5 5.0 -0.8 4 925 793 215 15 8.6 12.3 | 336 5 2.1 -4.9 5 912 914 215 16 9.2 13.1 | 326 5 2.7 -4.1 6 879 1219 195 18 4.7 17.4 | 97 2 -1.8 0.2 7 850 1498 195 18 4.7 17.4 | 97 2 -1.8 0.2 8 816 1829 205 16 6.8 14.5 | 354 3 0.3 -2.7 9 786 2134 190 15 2.6 14.8 | 58 5 -3.9 -2.4 10 729 2743 160 17 -5.8 16.0 | 84 12 -12.3 -1.2 11 700 3075 170 20 -3.5 19.7 | 104 10 -9.9 2.5 12 675 3353 175 21 -1.8 20.9 | 114 9 -8.3 3.8 13 649 3658 150 27 -13.5 23.4 | 107 21 -20.0 6.2 14 600 4267 145 32 -18.4 26.2 | 110 26 -24.8 9.1 15 555 4877 165 35 -9.1 33.8 | 137 23 -15.5 16.6 16 534 5182 160 40 -13.7 37.6 | 135 29 -20.1 20.4 17 513 5486 170 38 -6.6 37.4 | 147 24 -13.1 20.3 18 500 5690 165 41 -10.6 39.6 | 143 28 -17.1 22.4 19 400 7340 160 43 -14.7 40.4 | 138 31 -21.2 23.2 20 352 8230 150 44 -22.0 38.1 | 126 35 -28.5 20.9 21 322 8839 160 48 -16.4 45.1 | 141 36 -22.9 27.9 22 306 9204 170 34 -5.9 33.5 | 143 20 -12.4 16.3 23 300 9340 185 32 2.8 31.9 | 166 15 -3.7 14.7 24 295 9449 185 32 2.8 31.9 | 166 15 -3.7 14.7 25 259 10363 230 42 32.2 27.0 | 249 28 25.7 9.8 26 250 10600 225 42 29.7 29.7 | 242 26 23.2 12.5 27 226 11278 220 38 24.4 29.1 | 236 22 18.0 12.0 28 200 12110 245 48 43.5 20.3 | 265 37 37.0 3.1 29 189 12497 255 49 47.3 12.7 | 276 41 40.9 -4.5 30 150 14000 255 56 54.1 14.5 | 273 48 47.6 -2.7 31 133 14761 255 61 58.9 15.8 | 271 52 52.5 -1.4 32 129 14935 255 61 58.9 15.8 | 271 52 52.5 -1.4 33 117 15545 245 55 49.8 23.2 | 262 44 43.4 6.1 34 111 15850 260 48 47.3 8.3 | 282 42 40.8 -8.8 35 100 16510 245 46 41.7 19.4 | 266 35 35.2 2.3 36 96 16764 245 46 41.7 19.4 | 266 35 35.2 2.3 37 70 18660 290 12 11.3 -4.1 | 347 22 4.8 -21.3 38 50 20700 120 5 -4.3 2.5 | 36 18 -10.8 -14.7 39 30 23890 35 5 -2.9 -4.1 | 24 23 -9.3 -21.3 40 20 26500 265 9 9.0 0.8 | 351 17 2.5 -16.4 Wind Parameters Mean winds (0-6000m): 170.6 at 24.4 knts Storm direction: 200.6 at 18.3 knts Shear (0-3000m) pos: 0.0 neg: 3.8 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 88.5 deg Storm rel helicity (0-3000m) pos: 23.6 neg: -82.8 tot: -59.2 m^2/s^2 ave: -19.7 10^-3 m/s^2 rel: -0.11 Storm rel vorticity (0-3000m) horiz: 10.0 stream: -1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 87.32 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 ------------------------------------------------------------------------------- 500 254 11 343 15| 0.0 18.4 18.4| 0.0 -76.6 -76.6 -153.3 -0.78| 23.7-18.4 1000 229 14 332 9| 0.0 9.0 9.0| 5.5 -81.7 -76.1 -76.1 -0.48| 17.7 -8.6 1500 216 15 332 5| 0.0 6.6 6.6| 6.5 -81.8 -75.3 -50.2 -0.34| 13.5 -4.6 2000 211 16 336 4| 0.0 4.3 4.3| 8.2 -82.8 -74.6 -37.3 -0.30| 11.6 -3.5 2500 205 16 356 3| 0.0 3.8 3.8| 13.3 -82.8 -69.5 -27.8 -0.19| 10.7 -2.1 3000 198 16 40 3| 0.0 3.8 3.8| 23.6 -82.8 -59.2 -19.7 -0.11| 10.0 -1.1 4000 183 18 100 6| 0.0 4.2 4.2| 33.6 -91.4 -57.8 -14.4 -0.07| 9.8 -0.7 5000 173 21 114 10| 1.2 3.4 4.6|109.9 -92.6 17.2 3.4 0.07| 9.5 0.6 6000 171 24 124 13| 1.3 3.2 4.5|143.9-110.3 33.6 5.6 0.08| 9.0 0.7 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250421.23.gif