UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041712.upa.cvt Date: 1200Z 17 APR 25 Searching for U8275... Searching the city database file for: U8275 ... Date:1200Z 17 APR 25 Station: U8275 WMO ident: 28275 Latitude: 58.15 Longitude: 68.18 ------------------------------------------------------------------------------- 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 1008 51 1.0 -8.0 51 9.0 -2.0 290 5 273.5 273.9 270.7 279.3 2.07 1 1000 115 -0.3 -8.3 55 8.0 -2.9 305 7 272.9 273.2 270.2 278.5 2.04 2 987 220 -2.5 -10.5 54 8.0 -4.9 308 10 271.7 272.0 269.0 276.5 1.74 3 925 734 -6.3 -14.3 53 8.0 -8.4 320 27 272.9 273.1 269.1 276.7 1.36 4 853 1361 -12.1 -19.1 56 7.0 -13.6 310 31 273.2 273.4 268.7 276.0 0.99 5 850 1388 -12.3 -19.3 56 7.0 -13.7 310 31 273.3 273.4 268.7 276.1 0.98 6 716 2670 -22.9 -27.9 64 5.0 -23.5 314 24 275.3 275.4 269.2 277.0 0.54 7 700 2835 -23.5 -28.1 66 4.6 -24.1 315 23 276.5 276.6 269.9 278.1 0.54 8 694 2898 -23.5 -28.0 66 4.5 -24.1 315 23 277.1 277.2 270.4 278.8 0.55 9 665 3210 -24.5 -29.5 63 5.0 -25.1 317 25 279.4 279.5 271.7 281.0 0.50 10 500 5230 -38.5 -47.5 38 9.0 -38.9 330 38 286.1 286.1 274.8 286.5 0.10 11 499 5244 -38.7 -47.7 38 9.0 -39.1 330 38 286.0 286.0 274.8 286.4 0.10 12 426 6312 -45.1 -53.1 40 8.0 -45.3 330 47 291.1 291.1 277.3 291.3 0.06 13 400 6730 -46.9 -54.9 40 8.0 -47.1 330 50 294.0 294.0 278.7 294.2 0.06 14 364 7352 -50.1 -59.1 34 9.0 -50.3 325 54 297.8 297.8 280.4 297.9 0.04 15 300 8630 -46.1 -57.1 28 11.0 -46.4 325 42 320.4 320.4 288.9 320.6 0.06 16 294 8764 -46.7 -58.7 24 12.0 -47.1 324 42 321.4 321.4 289.2 321.6 0.05 17 250 9850 -42.7 -58.7 16 16.0 -43.4 315 38 342.6 342.6 295.0 342.8 0.06 18 241 10096 -42.5 -59.5 14 17.0 -43.3 315 38 346.5 346.5 295.9 346.7 0.05 19 200 11350 -42.9 -63.9 8 21.0 -43.8 315 35 364.8 364.9 299.7 365.0 0.04 20 198 11418 -42.5 -63.5 8 21.0 -43.5 315 35 366.5 366.5 299.9 366.7 0.04 21 191 11661 -45.7 -66.7 8 21.0 -46.4 314 35 365.2 365.2 299.7 365.3 0.03 22 165 12648 -42.5 -64.5 7 22.0 -43.7 312 34 386.1 386.2 303.2 386.3 0.04 23 154 13113 -45.3 -68.3 6 23.0 -46.3 310 33 389.1 389.1 303.7 389.2 0.03 24 150 13290 -45.1 -68.1 6 23.0 -46.1 310 33 392.3 392.4 304.2 392.5 0.03 25 100 15980 -48.5 -72.5 5 24.0 -49.6 310 25 434.0 434.0 309.3 434.1 0.02 26 91 16604 -48.1 -72.1 5 24.0 -49.3 314 23 446.7 446.7 310.6 446.8 0.02 27 70 18330 -50.7 -73.7 5 23.0 -51.8 325 19 475.9 475.9 313.1 476.1 0.03 28 69 18424 -50.9 -73.9 5 23.0 -52.0 325 19 477.5 477.5 313.2 477.6 0.03 29 58 19560 -48.7 -72.7 5 24.0 -50.4 322 19 506.7 506.7 315.4 507.0 0.04 30 50 20530 -51.5 -74.5 5 23.0 -52.9 320 19 522.1 522.1 316.5 522.3 0.03 31 47 20929 -51.9 -74.9 5 23.0 -53.4 322 18 530.5 530.5 316.9 530.7 0.03 32 44 21356 -49.7 -73.7 4 24.0 -51.6 325 17 546.0 546.0 317.9 546.2 0.04 33 33 23230 -49.9 -73.9 4 24.0 -52.2 336 14 592.2 592.3 320.3 592.6 0.05 34 30 23850 -50.3 -74.3 4 24.0 -52.7 340 13 607.5 607.5 321.0 607.9 0.05 35 20 26490 -51.5 -74.5 5 23.0 -54.4 5 11 678.5 678.6 323.7 679.2 0.08 36 19 26823 -51.7 -74.7 5 23.0 -54.7 687.9 688.0 324.0 688.6 0.08 TRP 364 7352 -50.1 -59.1 34 9.0 -50.3 325 54 297.8 297.8 280.4 297.9 0.04 WND Sounding variables and indices 1000-500 mb thick: 5115.00 m Freezing level: 1001.85 mb = 100.27 m = 328.96 ft Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 55.24 % Est. max temperature: 0.65 C = 33.17 F Sfc-Lift cond lev (LCL): 875.71 mb = 1157.70 m = 3798.19 ft T: -10.22 C 700-500 lapse rate: 6.26 C/km ThetaE index: 2.79 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 830.11 mb = 1564.92 m = 5134.19 ft Mean mixing ratio: 1.59 g/kg Conv temperature: 1.04 C = 33.88 F Cap Strength: 3.72 C Lifted Index: 7.86 C Risk: None Lifted Index @300 mb: 30.81 C Lifted Index @700 mb: 1.50 C Showalter Index: 8.53 C Risk: None Total Totals Index: 45.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.20 C Cross Totals Index: 19.20 C K Index: 2.30 Risk: None Sweat Index: 100.00 Risk: None Energy Index: 2.15 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.21 J/kg Max Up Vert Vel: 2.90 m/s Conv Inhibition (B-): 57918.28 J/kg Cap Strength: 7.72 C Lift Cond Lev (LCL): 844.34 mb = 1437.91 m = 4717.49 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 351 at 22 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 1008 51 290 5 4.7 -1.7 | 184 20 1.4 20.2 1 1000 115 305 7 5.7 -4.0 | 188 18 2.4 17.9 2 925 734 320 27 17.4 -20.7 | 265 14 14.0 1.2 3 850 1388 310 31 23.7 -19.9 | 265 21 20.4 2.0 4 700 2835 315 23 16.3 -16.3 | 247 14 12.9 5.6 5 500 5230 330 38 19.0 -32.9 | 305 19 15.7 -11.0 6 400 6730 330 50 25.0 -43.3 | 315 30 21.7 -21.4 7 364 7352 325 54 31.0 -44.2 | 309 36 27.7 -22.3 8 300 8630 325 42 24.1 -34.4 | 301 24 20.8 -12.5 9 250 9850 315 38 26.9 -26.9 | 282 24 23.5 -5.0 10 200 11350 315 35 24.7 -24.7 | 278 22 21.4 -2.9 11 150 13290 310 33 25.3 -21.2 | 268 22 22.0 0.7 12 100 15980 310 25 19.2 -16.1 | 250 17 15.8 5.8 13 70 18330 325 19 10.9 -15.6 | 230 10 7.6 6.3 14 50 20530 320 19 12.2 -14.6 | 230 12 8.9 7.3 15 30 23850 340 13 4.4 -12.2 | 187 10 1.1 9.7 16 20 26490 5 11 -1.0 -11.0 | 159 12 -4.3 10.9 Wind Parameters Mean winds (0-6000m): 321.4 at 29.5 knts Storm direction: 351.4 at 22.1 knts Shear (0-3000m) pos: 2.1 neg: 1.6 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 68.5 deg Storm rel helicity (0-3000m) pos: 87.0 neg: -24.3 tot: 62.7 m^2/s^2 ave: 20.9 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 2.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.11 Bulk Shear: 37.34 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 ------------------------------------------------------------------------------- 500 312 13 206 15| 17.2 0.0 17.2| 59.6 0.0 59.6 119.2 0.87| 17.3 15.1 1000 317 20 234 13| 8.6 4.0 12.6| 81.9 -0.1 81.9 81.9 0.81| 13.4 10.8 1500 315 23 247 14| 5.7 3.2 8.9| 81.9 -3.9 78.0 52.0 0.68| 10.2 6.9 2000 314 25 251 15| 3.7 2.4 6.1| 81.9 -11.6 70.3 35.2 0.57| 8.4 4.8 2500 313 25 252 16| 2.4 1.9 4.4| 81.9 -19.9 62.1 24.8 0.47| 7.3 3.4 3000 314 25 252 15| 2.1 1.6 3.7| 87.0 -24.3 62.7 20.9 0.44| 6.6 2.9 4000 315 25 255 15| 2.4 1.2 3.6|113.4 -24.3 89.1 22.3 0.52| 5.8 3.0 5000 319 27 264 15| 2.7 1.0 3.6|142.8 -24.3 118.5 23.7 0.57| 5.4 3.1 6000 321 30 274 15| 2.6 1.1 3.7|162.5 -24.3 138.2 23.0 0.56| 5.2 2.9 Wrote GIF file: /home/apache/climate/data/raob//U8275/skewt/U8275.skewt.20250417.12.gif