UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101723.upa.cvt Date: 2300Z 17 OCT 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 17 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 1013 22 20.0 14.0 68 6.0 16.2 190 4 292.1 293.8 288.9 320.4 9.96 1 1000 133 18.0 13.0 73 5.0 14.9 170 6 291.1 292.8 288.1 317.9 9.45 2 935 704 12.4 12.0 97 0.4 12.1 174 5 291.1 292.8 288.1 317.9 9.46 3 925 794 12.6 9.1 79 3.5 10.6 175 5 292.2 293.6 286.9 314.7 7.86 4 921 830 13.0 9.6 80 3.4 11.0 179 6 293.0 294.4 287.5 316.4 8.17 5 890 1118 10.4 10.0 97 0.4 10.2 211 12 293.2 294.7 288.1 318.0 8.69 6 861 1394 9.4 9.2 99 0.2 9.3 243 18 294.9 296.4 288.6 319.5 8.51 7 850 1501 12.2 7.9 75 4.3 9.7 255 20 298.9 300.4 289.4 322.1 7.89 8 848 1521 12.6 6.6 67 6.0 9.2 255 20 299.5 300.9 289.0 320.9 7.22 9 820 1802 11.2 7.8 80 3.4 9.2 256 21 301.0 302.4 290.3 325.0 8.12 10 797 2039 9.6 7.4 86 2.2 8.3 257 21 301.7 303.2 290.5 325.8 8.13 11 744 2608 6.4 -0.6 61 7.0 2.9 258 22 304.2 305.1 288.5 319.2 4.92 12 732 2741 6.0 -14.0 22 20.0 -1.5 259 22 305.2 305.5 285.6 310.9 1.77 13 702 3083 3.2 -20.8 15 24.0 -4.4 260 23 305.8 306.0 285.0 309.2 1.04 14 700 3106 3.0 -18.0 20 21.0 -4.1 260 23 305.8 306.1 285.4 310.1 1.32 15 660 3579 0.6 -40.4 3 41.0 -7.7 256 25 308.3 308.3 284.9 308.9 0.17 16 585 4534 -5.5 -25.5 19 20.0 -10.8 247 28 312.0 312.2 287.0 314.8 0.82 17 517 5487 -13.5 -25.5 36 12.0 -16.4 237 31 313.6 313.7 287.6 316.7 0.93 18 500 5740 -15.9 -22.9 55 7.0 -17.7 235 32 313.7 313.9 288.0 317.7 1.21 19 492 5861 -16.9 -22.9 60 6.0 -18.4 236 32 313.9 314.1 288.1 318.0 1.23 20 481 6031 -17.5 -40.5 12 23.0 -20.8 238 32 315.2 315.2 287.4 316.0 0.23 21 457 6411 -20.5 -44.5 10 24.0 -23.4 241 32 316.1 316.1 287.6 316.7 0.16 22 427 6909 -24.9 -40.9 21 16.0 -26.8 246 32 316.7 316.7 287.9 317.6 0.25 23 407 7256 -27.7 -29.8 82 2.1 -28.0 249 32 317.4 317.6 288.8 320.2 0.79 24 400 7380 -28.3 -31.3 75 3.0 -28.7 250 32 318.2 318.3 288.9 320.7 0.70 25 399 7398 -28.3 -31.4 75 3.1 -28.8 250 32 318.4 318.6 289.0 320.9 0.69 26 389 7580 -29.1 -42.1 27 13.0 -30.5 247 36 319.7 319.8 288.9 320.6 0.24 27 352 8289 -34.3 -56.3 9 22.0 -35.5 237 49 322.0 322.0 289.4 322.2 0.05 28 327 8801 -38.3 -41.2 74 2.9 -38.5 229 59 323.3 323.4 290.1 324.5 0.32 29 307 9233 -41.5 -49.5 42 8.0 -41.9 222 68 324.7 324.7 290.3 325.2 0.14 30 306 9255 -41.7 -52.7 29 11.0 -42.2 222 68 324.7 324.8 290.3 325.1 0.09 31 302 9345 -40.3 -66.3 5 26.0 -41.2 221 70 327.9 327.9 291.2 328.0 0.02 32 300 9390 -40.5 -64.5 6 24.0 -41.3 220 71 328.3 328.3 291.3 328.4 0.02 33 250 10610 -46.9 -71.9 4 25.0 -47.4 210 76 336.3 336.3 293.4 336.4 0.01 34 200 12060 -55.3 -75.3 7 20.0 -55.5 220 115 345.2 345.2 295.6 345.2 0.01 35 199 12092 -55.5 -75.5 7 20.0 -55.8 220 116 345.4 345.4 295.6 345.4 0.01 36 194 12255 -55.2 -76.1 6 20.9 -55.5 220 119 348.4 348.4 296.3 348.4 0.01 37 178 12807 -54.1 -78.1 4 24.0 -54.4 217 100 358.9 358.9 298.5 358.9 0.01 38 150 13900 -56.9 -82.9 2 26.0 -57.2 210 61 372.0 372.0 300.9 372.1 0.00 39 134 14605 -61.7 -84.7 3 23.0 -61.9 216 52 375.7 375.7 301.5 375.7 0.00 40 110 15830 -60.1 -86.1 2 26.0 -60.4 225 35 400.5 400.5 305.3 400.5 0.00 41 100 16420 -62.7 -86.7 3 24.0 -62.9 230 27 406.6 406.6 306.1 406.6 0.00 TRP 199 12092 -55.5 -75.5 7 20.0 -55.8 220 116 345.4 345.4 295.6 345.4 0.01 WND 194 12255 -55.2 -76.1 6 20.9 -55.5 220 119 348.4 348.4 296.3 348.4 0.01 Sounding variables and indices 1000-500 mb thick: 5607.00 m Freezing level: 652.62 mb = 3673.07 m = 12050.62 ft Wetbulb zero: 736.11 mb = 2695.40 m = 8843.05 ft Precipitable water: 1.00 inches Sfc-500 mean rel hum: 47.77 % Est. max temperature: 22.72 C = 72.90 F Sfc-Lift cond lev (LCL): 926.92 mb = 776.53 m = 2547.65 ft T: 12.56 C 700-500 lapse rate: 7.18 C/km ThetaE index: 16.66 C Layer 744.0- 700.0 mb Conv cond level (CCL): 897.51 mb = 1047.14 m = 3435.44 ft Mean mixing ratio: 9.24 g/kg Conv temperature: 21.05 C = 69.88 F Cap Strength: 4.68 C Lifted Index: 1.78 C Risk: Showers probable Lifted Index @300 mb: 7.94 C Lifted Index @700 mb: 3.57 C Showalter Index: -0.63 C Risk: Thunderstorms probable Total Totals Index: 51.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.10 C Cross Totals Index: 23.80 C K Index: 15.00 Risk: < 20 % chance of thunderstorms Sweat Index: 224.80 Risk: None Energy Index: -0.86 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.39 J/kg Max Up Vert Vel: 3.57 m/s Conv Inhibition (B-): 7943.84 J/kg Cap Strength: 4.66 C Lift Cond Lev (LCL): 919.76 mb = 841.77 m = 2761.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 276 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 22 190 4 0.7 3.9 | 110 17 -15.5 5.7 1 1000 133 170 6 -1.0 5.9 | 114 19 -17.2 7.6 2 925 794 175 5 -0.4 5.0 | 112 18 -16.6 6.7 3 850 1501 255 20 19.3 5.2 | 204 8 3.1 6.9 4 700 3106 260 23 22.7 4.0 | 228 9 6.5 5.7 5 500 5740 235 32 26.2 18.4 | 206 22 10.0 20.1 6 400 7380 250 32 30.1 10.9 | 228 19 13.9 12.7 7 300 9390 220 71 45.6 54.4 | 208 63 29.4 56.1 8 250 10610 210 76 38.0 65.8 | 198 71 21.8 67.5 9 200 12060 220 115 73.9 88.1 | 213 107 57.7 89.8 10 199 12092 220 116 74.6 88.9 | 213 108 58.4 90.6 11 194 12255 220 119 76.5 91.2 | 213 111 60.3 92.9 12 150 13900 210 61 30.5 52.8 | 195 56 14.3 54.6 13 100 16420 230 27 20.7 17.4 | 193 20 4.5 19.1 Wind Parameters Mean winds (0-6000m): 246.1 at 21.7 knts Storm direction: 276.1 at 16.3 knts Shear (0-3000m) pos: 4.0 neg: 0.3 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 117.2 deg Storm rel helicity (0-3000m) pos: 85.3 neg: -2.4 tot: 82.9 m^2/s^2 ave: 27.6 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 5.1 stream: 4.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 57.39 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 ------------------------------------------------------------------------------- 500 173 6 113 18| 0.0 2.0 2.0| 5.2 -1.4 3.7 7.5 0.27| 3.1 0.8 1000 178 6 115 18| 2.9 1.0 3.9| 31.3 -2.4 29.0 29.0 0.69| 4.7 3.2 1500 220 9 130 13| 6.9 0.7 7.5| 78.6 -2.4 76.2 50.8 0.79| 9.2 7.3 2000 238 12 142 10| 5.4 0.5 5.9| 80.8 -2.4 78.4 39.2 0.80| 7.1 5.7 2500 245 14 154 8| 4.6 0.4 5.0| 83.0 -2.4 80.6 32.2 0.81| 5.9 4.8 3000 249 15 165 7| 4.0 0.3 4.3| 85.3 -2.4 82.9 27.6 0.81| 5.1 4.2 4000 251 17 183 7| 3.0 0.7 3.7| 85.6 -6.8 78.8 19.7 0.66| 4.5 3.0 5000 250 20 195 9| 2.4 1.2 3.6| 85.6 -16.3 69.3 13.9 0.51| 4.2 2.1 6000 246 22 199 11| 2.1 1.2 3.3| 92.7 -26.9 65.8 11.0 0.43| 4.0 1.7 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251017.23.gif