UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041723.upa.cvt Date: 2300Z 17 APR 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 17 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 18 19.2 13.2 68 6.0 15.5 260 3 291.3 292.9 288.1 318.0 9.45 1 1004 94 18.0 11.0 64 7.0 13.8 274 4 290.8 292.3 286.8 314.2 8.23 2 1000 128 17.6 10.6 64 7.0 13.4 280 5 290.8 292.2 286.6 313.6 8.04 3 975 344 15.6 10.6 72 5.0 12.6 242 8 290.8 292.3 286.8 314.3 8.25 4 950 565 15.4 9.4 67 6.0 11.9 203 10 292.8 294.2 287.2 315.2 7.81 5 925 791 13.2 10.7 85 2.5 11.7 195 11 292.8 294.4 288.1 317.8 8.76 6 887 1142 10.2 10.0 99 0.2 10.1 183 10 293.2 294.8 288.2 318.2 8.72 7 850 1496 7.8 6.6 92 1.2 7.1 175 14 294.3 295.6 287.1 315.1 7.21 8 843 1564 7.4 5.6 88 1.8 6.4 175 16 294.6 295.8 286.8 314.2 6.78 9 827 1722 9.4 -13.6 18 23.0 0.8 175 21 298.3 298.6 282.7 303.4 1.62 10 815 1844 10.4 -20.6 9 31.0 0.3 175 25 300.6 300.8 282.8 303.6 0.91 11 794 2061 10.2 -21.8 9 32.0 -0.2 179 24 302.7 302.8 283.5 305.4 0.84 12 746 2576 6.0 -5.0 45 11.0 1.0 187 22 303.6 304.2 286.9 314.4 3.53 13 700 3095 3.8 -11.2 32 15.0 -2.2 195 20 306.7 307.1 286.8 314.1 2.32 14 668 3473 1.2 -11.8 37 13.0 -3.8 188 17 307.9 308.3 287.2 315.3 2.32 15 656 3619 1.8 -31.2 7 33.0 -6.5 186 16 310.2 310.3 285.9 311.7 0.43 16 577 4644 -3.5 -27.5 14 24.0 -9.9 221 29 315.6 315.7 288.1 318.0 0.69 17 500 5760 -11.5 -34.5 13 23.0 -16.1 225 35 319.0 319.1 288.9 320.5 0.41 18 442 6693 -18.1 -46.1 7 28.0 -21.7 234 38 322.1 322.2 289.6 322.7 0.14 19 415 7160 -22.1 -35.1 30 13.0 -24.2 238 37 322.8 322.9 290.1 324.5 0.47 20 400 7430 -23.7 -39.7 22 16.0 -25.9 240 37 324.2 324.2 290.3 325.3 0.30 21 391 7595 -24.9 -40.9 21 16.0 -27.0 240 36 324.7 324.8 290.5 325.8 0.27 22 336 8672 -34.5 -53.5 13 19.0 -35.7 237 37 326.0 326.0 290.6 326.3 0.08 23 300 9450 -41.5 -55.5 21 14.0 -42.1 230 44 326.9 326.9 290.9 327.1 0.07 24 266 10254 -48.9 -58.9 30 10.0 -49.2 247 41 327.5 327.5 291.0 327.7 0.05 25 250 10660 -50.9 -63.9 20 13.0 -51.2 245 48 330.4 330.4 291.9 330.5 0.03 26 230 11198 -54.3 -68.3 16 14.0 -54.5 236 55 333.2 333.2 292.6 333.3 0.02 27 200 12090 -55.9 -75.9 6 20.0 -56.1 250 71 344.2 344.2 295.3 344.3 0.01 28 180 12761 -57.6 -79.8 4 22.2 -57.9 250 79 351.9 351.9 297.1 351.9 0.00 29 173 13012 -58.3 -81.3 4 23.0 -58.5 250 76 354.9 354.9 297.7 354.9 0.00 30 150 13910 -59.7 -83.7 3 24.0 -59.9 255 69 367.2 367.2 300.1 367.2 0.00 31 127 14947 -60.3 -86.3 2 26.0 -60.5 250 75 384.0 384.0 302.9 384.1 0.00 32 101 16350 -67.1 -88.1 4 21.0 -67.2 269 51 397.0 397.0 304.8 397.0 0.00 33 100 16410 -66.9 -87.9 4 21.0 -67.0 265 54 398.5 398.5 305.0 398.5 0.00 34 70 18580 -64.5 -89.5 2 25.0 -64.7 275 17 446.4 446.4 310.5 446.4 0.00 35 59 19627 -63.5 -89.5 2 26.0 -63.8 275 15 471.0 471.0 312.7 471.0 0.00 36 54 20169 -65.5 -90.5 2 25.0 -65.8 275 15 478.5 478.5 313.3 478.5 0.00 37 50 20640 -62.7 -89.7 1 27.0 -63.1 275 14 495.7 495.7 314.7 495.7 0.00 38 44 21434 -59.7 -89.7 1 30.0 -60.4 230 14 521.5 521.5 316.4 521.5 0.00 39 41 21874 -61.1 -90.1 1 29.0 -61.7 205 14 528.7 528.7 316.8 528.7 0.00 40 30 23830 -57.5 -88.5 1 31.0 -58.7 95 14 587.9 587.9 320.0 587.9 0.01 41 24 25255 -51.1 -86.1 1 35.0 -53.9 123 13 645.2 645.2 322.5 645.3 0.01 42 20 26440 -49.9 -85.9 1 36.0 -53.4 145 12 683.4 683.4 323.9 683.5 0.01 43 17 27507 -48.1 -85.1 1 37.0 -52.7 721.7 721.7 325.1 721.9 0.02 TRP 173 13012 -58.3 -81.3 4 23.0 -58.5 250 76 354.9 354.9 297.7 354.9 0.00 WND 180 12761 -57.6 -79.8 4 22.2 -57.9 250 79 351.9 351.9 297.1 351.9 0.00 Sounding variables and indices 1000-500 mb thick: 5632.00 m Freezing level: 629.17 mb = 3967.42 m = 13016.31 ft Wetbulb zero: 801.99 mb = 1977.80 m = 6488.76 ft Precipitable water: 0.78 inches Sfc-500 mean rel hum: 36.66 % Est. max temperature: 21.87 C = 71.37 F Sfc-Lift cond lev (LCL): 926.74 mb = 775.06 m = 2542.83 ft T: 13.36 C 700-500 lapse rate: 5.74 C/km ThetaE index: 14.83 C Layer 850.0- 815.0 mb Conv cond level (CCL): 867.05 mb = 1331.16 m = 4367.29 ft Mean mixing ratio: 8.29 g/kg Conv temperature: 21.75 C = 71.15 F Cap Strength: 7.67 C Lifted Index: 7.46 C Risk: None Lifted Index @300 mb: 8.40 C Lifted Index @700 mb: 5.33 C Showalter Index: 7.67 C Risk: None Total Totals Index: 37.40 C Risk: None Vertical Totals Index: 19.30 C Cross Totals Index: 18.10 C K Index: 10.90 Risk: None Sweat Index: 142.20 Risk: None Energy Index: 1.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.20 J/kg Max Up Vert Vel: 4.73 m/s Conv Inhibition (B-): 40709.41 J/kg Cap Strength: 7.63 C Lift Cond Lev (LCL): 892.38 mb = 1091.77 m = 3581.88 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 236 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 1013 18 260 3 3.0 0.5 | 51 13 -10.3 -8.5 1 1000 128 280 5 4.9 -0.9 | 40 13 -8.4 -9.9 2 945 610 195 11 2.8 10.6 | 99 11 -10.5 1.6 3 925 791 195 11 2.8 10.6 | 99 11 -10.5 1.6 4 911 914 190 11 1.9 10.8 | 99 12 -11.4 1.8 5 879 1219 180 10 0.0 10.0 | 94 13 -13.3 1.0 6 850 1496 175 14 -1.2 13.9 | 109 15 -14.5 4.9 7 816 1829 175 25 -2.2 24.9 | 136 22 -15.5 15.9 8 787 2134 180 24 0.0 24.0 | 138 20 -13.3 15.0 9 704 3048 195 20 5.2 19.3 | 142 13 -8.1 10.3 10 700 3095 195 20 5.2 19.3 | 142 13 -8.1 10.3 11 652 3658 185 16 1.4 15.9 | 120 14 -11.9 6.9 12 627 3962 215 19 10.9 15.6 | 160 7 -2.4 6.6 13 604 4267 220 27 17.4 20.7 | 199 12 4.1 11.7 14 500 5760 225 35 24.7 24.7 | 216 19 11.4 15.7 15 478 6096 230 38 29.1 24.4 | 226 22 15.8 15.4 16 400 7430 240 37 32.0 18.5 | 243 21 18.7 9.5 17 357 8230 240 32 27.7 16.0 | 244 16 14.4 7.0 18 300 9449 230 45 34.5 28.9 | 227 29 21.2 19.9 19 300 9450 230 44 33.7 28.3 | 227 28 20.4 19.3 20 261 10363 250 41 38.5 14.0 | 259 26 25.2 5.0 21 250 10660 245 48 43.5 20.3 | 250 32 30.2 11.3 22 227 11278 235 56 45.9 32.1 | 235 40 32.6 23.1 23 200 12090 250 71 66.7 24.3 | 254 56 53.4 15.3 24 180 12761 250 79 74.2 27.0 | 254 64 60.9 18.0 25 173 13012 250 76 71.4 26.0 | 254 61 58.1 17.0 26 170 13106 250 79 74.2 27.0 | 254 64 60.9 18.0 27 155 13716 245 71 64.3 30.0 | 248 55 51.0 21.0 28 150 13910 255 69 66.6 17.9 | 261 54 53.3 8.9 29 140 14326 265 75 74.7 6.5 | 272 61 61.4 -2.5 30 127 14935 250 75 70.5 25.7 | 254 60 57.2 16.7 31 115 15545 245 40 36.3 16.9 | 251 24 22.9 7.9 32 110 15850 265 30 29.9 2.6 | 291 18 16.6 -6.4 33 104 16154 280 40 39.4 -6.9 | 301 31 26.1 -15.9 34 100 16410 265 54 53.8 4.7 | 276 41 40.5 -4.3 35 94 16764 265 54 53.8 4.7 | 276 41 40.5 -4.3 36 70 18580 275 17 16.9 -1.5 | 341 11 3.6 -10.5 37 50 20640 275 14 13.9 -1.2 | 356 10 0.6 -10.2 38 30 23830 95 14 -13.9 1.2 | 74 28 -27.2 -7.8 39 20 26440 145 12 -6.9 9.8 | 92 20 -20.2 0.8 Wind Parameters Mean winds (0-6000m): 205.9 at 21.4 knts Storm direction: 235.9 at 16.1 knts Shear (0-3000m) pos: 1.4 neg: 2.5 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 91.1 deg Storm rel helicity (0-3000m) pos: 84.0 neg: -11.2 tot: 72.8 m^2/s^2 ave: 24.3 10^-3 m/s^2 rel: 0.46 Storm rel vorticity (0-3000m) horiz: 7.3 stream: 3.3 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.32 Bulk Shear: 34.78 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 ------------------------------------------------------------------------------- 500 239 7 54 9| 0.0 8.4 8.4| 14.3 -7.8 6.5 13.0 0.35| 12.7 4.4 1000 206 9 83 10| 0.0 5.3 5.3| 19.5 -8.8 10.7 10.7 0.36| 8.8 3.2 1500 194 10 92 11| 0.0 5.1 5.1| 35.6 -11.2 24.4 16.2 0.41| 8.0 3.3 2000 186 13 107 13| 2.5 3.8 6.3| 77.3 -11.2 66.1 33.0 0.52| 8.9 4.7 2500 184 15 116 13| 1.7 3.0 4.8| 82.6 -11.2 71.4 28.5 0.50| 7.9 3.9 3000 186 16 120 14| 1.4 2.5 3.9| 84.0 -11.2 72.8 24.3 0.46| 7.3 3.3 4000 189 17 124 13| 2.2 1.7 3.9|104.3 -27.9 76.4 19.1 0.40| 7.4 2.9 5000 198 19 140 12| 2.8 1.4 4.2|125.6 -27.9 97.7 19.5 0.44| 7.1 3.1 6000 206 21 159 11| 3.0 1.2 4.1|150.2 -27.9 122.3 20.4 0.46| 6.5 3.0 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20250417.23.gif