UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120123.upa.cvt Date: 2300Z 1 DEC 25 Searching for Y4775... Searching the city database file for: Y4775 ... Date:2300Z 1 DEC 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 1009 24 19.2 6.2 43 13.0 12.0 290 7 291.6 292.6 284.8 308.6 5.89 1 1007 41 17.6 4.6 42 13.0 10.7 284 7 290.2 291.1 283.5 305.3 5.28 2 1000 100 17.2 4.2 42 13.0 10.3 265 7 290.4 291.3 283.5 305.2 5.17 3 925 756 10.0 3.0 62 7.0 6.5 260 16 289.5 290.4 283.1 304.2 5.13 4 850 1452 3.6 0.8 82 2.8 2.2 230 19 289.9 290.8 282.8 303.6 4.77 5 846 1490 3.2 1.5 89 1.7 2.4 222 20 289.9 290.8 283.1 304.4 5.04 6 811 1832 1.6 -6.4 55 8.0 -1.6 200 27 291.7 292.2 281.5 300.3 2.92 7 771 2238 0.6 -16.4 27 17.0 -4.8 206 29 294.9 295.1 281.0 299.2 1.37 8 719 2794 -3.9 -20.9 25 17.0 -8.5 212 27 295.9 296.1 280.9 299.1 1.00 9 700 3005 -4.7 -24.7 19 20.0 -9.6 220 26 297.3 297.4 281.2 299.7 0.74 10 595 4260 -13.3 -41.3 8 28.0 -17.2 230 29 301.4 301.5 282.2 302.1 0.17 11 500 5560 -21.7 -48.7 7 27.0 -24.3 230 47 306.6 306.6 284.1 306.9 0.09 12 458 6200 -26.3 -50.3 9 24.0 -28.2 229 51 308.6 308.6 284.9 308.9 0.08 13 408 7029 -30.5 -59.5 4 29.0 -32.1 217 76 313.6 313.6 286.6 313.7 0.03 14 400 7170 -30.7 -57.7 5 27.0 -32.3 215 80 315.1 315.1 287.2 315.2 0.04 15 381 7514 -32.7 -54.7 9 22.0 -34.0 221 84 316.9 316.9 287.8 317.1 0.06 16 325 8612 -41.5 -55.2 21 13.7 -42.1 225 90 319.5 319.5 288.6 319.7 0.07 17 309 8953 -44.3 -55.3 28 11.0 -44.7 225 85 320.2 320.2 288.9 320.5 0.07 18 300 9150 -45.5 -59.5 19 14.0 -45.9 225 76 321.2 321.2 289.2 321.4 0.04 19 289 9399 -46.5 -62.5 15 16.0 -46.9 230 73 323.3 323.3 289.8 323.4 0.03 20 256 10210 -43.1 -76.1 1 33.0 -43.9 247 62 339.7 339.7 294.3 339.7 0.00 21 250 10370 -44.1 -76.1 2 32.0 -44.8 245 64 340.5 340.5 294.4 340.5 0.00 22 200 11860 -47.1 -80.1 1 33.0 -47.8 260 72 358.2 358.2 298.4 358.2 0.00 23 150 13730 -53.3 -84.3 1 31.0 -53.8 265 67 378.2 378.2 301.9 378.2 0.00 24 100 16300 -60.3 -86.3 2 26.0 -60.6 260 40 411.2 411.2 306.7 411.2 0.00 25 89 17023 -62.3 -87.3 2 25.0 -62.6 265 38 421.2 421.2 307.9 421.2 0.00 26 77 17920 -60.7 -87.7 2 27.0 -61.0 301 27 442.3 442.3 310.1 442.3 0.00 27 70 18510 -63.1 -89.1 2 26.0 -63.4 325 20 449.4 449.4 310.8 449.4 0.00 28 64 19062 -64.1 -89.1 2 25.0 -64.4 5 18 458.9 458.9 311.7 458.9 0.00 29 59 19569 -57.7 -87.7 1 30.0 -58.3 41 16 484.0 484.0 313.8 484.1 0.00 30 50 20610 -59.9 -88.9 1 29.0 -60.5 115 12 502.3 502.3 315.1 502.3 0.00 31 46 21128 -60.7 -88.7 1 28.0 -61.3 104 12 512.5 512.5 315.8 512.5 0.00 32 34 23021 -56.9 -87.9 1 31.0 -58.0 66 14 568.8 568.8 319.1 568.8 0.01 33 30 23810 -57.9 -87.9 1 30.0 -59.0 50 14 586.8 586.8 320.0 586.8 0.01 34 26 24714 -57.1 -88.1 1 31.0 -58.5 613.6 613.6 321.2 613.6 0.01 TRP 89 17023 -62.3 -87.3 2 25.0 -62.6 265 38 421.2 421.2 307.9 421.2 0.00 WND 325 8612 -41.5 -55.2 21 13.7 -42.1 225 90 319.5 319.5 288.6 319.7 0.07 Sounding variables and indices 1000-500 mb thick: 5460.00 m Freezing level: 764.07 mb = 2312.30 m = 7586.20 ft Wetbulb zero: 825.24 mb = 1690.96 m = 5547.71 ft Precipitable water: 0.48 inches Sfc-500 mean rel hum: 31.10 % Est. max temperature: 17.47 C = 63.45 F Sfc-Lift cond lev (LCL): 831.09 mb = 1633.88 m = 5360.44 ft T: 2.53 C 700-500 lapse rate: 6.65 C/km ThetaE index: 5.29 C Layer 811.0- 700.0 mb Conv cond level (CCL): 769.48 mb = 2253.94 m = 7394.74 ft Mean mixing ratio: 5.15 g/kg Conv temperature: 22.53 C = 72.55 F Cap Strength: 2.54 C Lifted Index: 4.06 C Risk: None Lifted Index @300 mb: 11.84 C Lifted Index @700 mb: 2.14 C Showalter Index: 4.76 C Risk: None Total Totals Index: 47.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 22.50 C K Index: 6.10 Risk: None Sweat Index: 94.60 Risk: None Energy Index: 0.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.67 J/kg Max Up Vert Vel: 3.06 m/s Conv Inhibition (B-): 40997.75 J/kg Cap Strength: 3.89 C Lift Cond Lev (LCL): 827.36 mb = 1670.19 m = 5479.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 257 at 21 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 1009 24 290 7 6.6 -2.4 | 63 16 -14.2 -7.1 1 1000 100 265 7 7.0 0.6 | 73 14 -13.8 -4.1 2 976 305 265 13 13.0 1.1 | 65 9 -7.8 -3.6 3 941 610 260 16 15.8 2.8 | 69 5 -5.0 -1.9 4 925 756 260 16 15.8 2.8 | 69 5 -5.0 -1.9 5 907 914 235 12 9.8 6.9 | 101 11 -10.9 2.2 6 874 1219 250 18 16.9 6.2 | 111 4 -3.8 1.5 7 850 1452 230 19 14.6 12.2 | 140 10 -6.2 7.5 8 842 1524 215 20 11.5 16.4 | 142 15 -9.3 11.7 9 811 1829 200 27 9.2 25.4 | 151 24 -11.5 20.7 10 781 2134 205 29 12.3 26.3 | 158 23 -8.5 21.6 11 723 2743 210 27 13.5 23.4 | 159 20 -7.3 18.7 12 700 3005 220 26 16.7 19.9 | 165 16 -4.1 15.2 13 696 3048 230 27 20.7 17.4 | 180 13 -0.1 12.7 14 593 4267 230 29 22.2 18.6 | 186 14 1.5 13.9 15 500 5560 230 47 36.0 30.2 | 211 30 15.2 25.5 16 464 6096 230 48 36.8 30.9 | 211 31 16.0 26.2 17 400 7170 215 80 45.9 65.5 | 202 66 25.1 60.8 18 392 7315 220 83 53.4 63.6 | 209 67 32.6 58.9 19 325 8612 225 90 63.6 63.6 | 216 73 42.9 58.9 20 314 8839 225 90 63.6 63.6 | 216 73 42.9 58.9 21 300 9144 225 77 54.4 54.4 | 214 60 33.7 49.7 22 300 9150 225 76 53.7 53.7 | 214 59 33.0 49.0 23 250 10363 250 60 56.4 20.5 | 246 39 35.6 15.8 24 250 10370 245 64 58.0 27.0 | 239 43 37.2 22.3 25 218 11278 265 68 67.7 5.9 | 269 47 47.0 1.2 26 200 11860 260 72 70.9 12.5 | 261 51 50.1 7.8 27 181 12497 265 80 79.7 7.0 | 268 59 58.9 2.3 28 158 13411 250 65 61.1 22.2 | 246 44 40.3 17.5 29 150 13730 265 67 66.7 5.8 | 269 46 46.0 1.1 30 137 14326 265 60 59.8 5.2 | 269 39 39.0 0.5 31 124 14935 275 69 68.7 -6.0 | 283 49 48.0 -10.7 32 100 16300 260 40 39.4 6.9 | 263 19 18.6 2.2 33 97 16459 260 40 39.4 6.9 | 263 19 18.6 2.2 34 89 17023 265 38 37.9 3.3 | 275 17 17.1 -1.4 35 70 18510 325 20 11.5 -16.4 | 24 23 -9.3 -21.1 36 50 20610 115 12 -10.9 5.1 | 91 32 -31.6 0.4 37 30 23810 50 14 -10.7 -9.0 | 66 34 -31.5 -13.7 Wind Parameters Mean winds (0-6000m): 227.2 at 28.4 knts Storm direction: 257.2 at 21.3 knts Shear (0-3000m) pos: 1.7 neg: 4.9 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 107.4 deg Storm rel helicity (0-3000m) pos: 75.4 neg: -4.0 tot: 71.4 m^2/s^2 ave: 23.8 10^-3 m/s^2 rel: 0.33 Storm rel vorticity (0-3000m) horiz: 10.2 stream: 3.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 56.39 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 ------------------------------------------------------------------------------- 500 265 11 69 10| 0.0 9.9 9.9| 9.9 -4.0 5.9 11.7 0.12| 11.2 1.3 1000 258 13 76 8| 0.0 5.7 5.7| 19.3 -4.0 15.3 15.3 0.29| 10.9 3.1 1500 250 15 92 7| 0.0 6.6 6.6| 26.0 -4.0 22.0 14.7 0.27| 12.9 3.5 2000 233 17 129 9| 0.0 7.4 7.4| 52.0 -4.0 48.1 24.0 0.31| 12.5 3.9 2500 225 20 143 12| 0.5 5.9 6.4| 59.7 -4.0 55.8 22.3 0.31| 10.7 3.3 3000 222 21 147 13| 1.7 4.9 6.7| 75.4 -4.0 71.4 23.8 0.33| 10.2 3.4 4000 225 23 157 12| 1.7 3.8 5.4| 87.0 -4.0 83.0 20.7 0.36| 8.2 3.0 5000 226 25 167 13| 1.3 4.0 5.3|115.2 -4.0 111.2 22.2 0.39| 7.7 3.0 6000 227 28 180 15| 1.1 3.9 5.0|136.7 -4.0 132.7 22.1 0.39| 7.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//Y4775/skewt/Y4775.skewt.20251201.23.gif