UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 27 APR 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 54 10 5 SFC 998 70 4.6 3.1 90 1.5 3.9 10 5 277.9 278.7 277.2 291.0 4.79 2 934 608 1.0 -0.2 92 1.2 0.5 6 5 279.6 280.2 277.0 290.7 4.03 3 925 687 4.6 3.5 93 1.1 4.1 5 5 284.0 284.9 280.8 298.9 5.32 4 917 758 8.4 7.4 93 1.0 7.9 351 5 288.6 289.9 284.8 308.5 7.05 5 874 1154 7.6 5.5 87 2.1 6.5 271 4 291.8 292.9 285.5 310.4 6.49 6 850 1382 6.4 3.0 79 3.4 4.6 225 3 292.9 293.8 284.9 309.0 5.59 7 792 1959 3.0 0.3 82 2.7 1.7 163 4 295.2 296.1 285.2 309.7 4.94 8 788 2000 3.2 0.4 82 2.8 1.8 159 5 295.8 296.7 285.5 310.5 5.00 9 730 2618 1.6 -12.4 34 14.0 -3.6 92 6 300.6 301.0 284.1 306.9 2.02 10 710 2843 2.2 -29.8 7 32.0 -5.8 67 7 303.7 303.8 283.5 305.2 0.45 11 700 2957 1.2 -29.8 8 31.0 -6.5 55 7 303.8 303.9 283.5 305.4 0.46 12 603 4131 -8.3 -34.3 10 26.0 -13.3 39 7 306.1 306.1 284.3 307.3 0.35 13 500 5550 -18.9 -46.9 7 28.0 -22.1 20 7 310.0 310.0 285.5 310.4 0.11 14 400 7170 -32.1 -56.1 7 24.0 -33.5 305 7 313.3 313.3 286.5 313.5 0.05 15 358 7943 -38.3 -59.3 9 21.0 -39.2 292 15 315.1 315.1 287.2 315.2 0.04 16 352 8059 -39.3 -60.3 9 21.0 -40.1 289 16 315.2 315.2 287.2 315.4 0.03 17 311 8899 -43.9 -61.9 12 18.0 -44.5 274 24 320.2 320.2 288.8 320.3 0.03 18 300 9140 -46.1 -63.1 13 17.0 -46.6 270 27 320.4 320.4 288.9 320.5 0.03 19 250 10330 -55.5 -68.5 18 13.0 -55.7 250 31 323.6 323.6 289.9 323.6 0.02 20 216 11246 -63.7 -74.7 21 11.0 -63.8 245 35 324.7 324.7 290.2 324.7 0.01 21 205 11573 -56.1 -68.1 21 12.0 -56.3 248 36 341.5 341.5 294.7 341.6 0.02 22 200 11730 -55.9 -67.9 21 12.0 -56.1 250 36 344.2 344.2 295.4 344.3 0.02 23 198 11794 -55.7 -67.7 21 12.0 -55.9 250 36 345.6 345.6 295.7 345.6 0.02 24 150 13580 -51.1 -68.1 11 17.0 -51.6 245 35 382.0 382.0 302.6 382.1 0.03 25 138 14122 -49.3 -68.3 9 19.0 -50.0 247 34 394.4 394.4 304.5 394.6 0.03 26 122 14925 -49.9 -71.9 6 22.0 -50.7 250 33 407.5 407.5 306.2 407.6 0.02 27 100 16210 -53.5 -77.5 4 24.0 -54.1 255 31 424.4 424.4 308.2 424.4 0.01 28 93 16675 -55.9 -79.9 3 24.0 -56.4 258 30 428.5 428.5 308.7 428.6 0.01 29 70 18490 -54.3 -78.3 4 24.0 -55.1 270 25 468.2 468.2 312.5 468.3 0.01 30 68 18676 -54.1 -78.1 4 24.0 -54.9 270 24 472.5 472.6 312.8 472.6 0.01 31 64 19062 -57.1 -80.1 4 23.0 -57.7 271 21 474.2 474.2 313.0 474.3 0.01 32 61 19366 -56.3 -79.3 4 23.0 -57.0 272 19 482.6 482.6 313.7 482.6 0.01 33 54 20140 -56.1 -80.1 3 24.0 -56.9 274 14 500.1 500.1 314.9 500.2 0.01 34 50 20630 -55.7 -79.7 3 24.0 -56.6 275 11 512.2 512.2 315.8 512.3 0.01 35 47 21025 -55.1 -79.1 4 24.0 -56.1 276 10 522.8 522.8 316.5 522.9 0.02 36 41 21893 -58.1 -81.1 4 23.0 -58.9 279 9 536.1 536.2 317.3 536.2 0.01 37 36 22715 -57.1 -80.1 4 23.0 -58.2 281 7 559.1 559.1 318.6 559.2 0.02 38 31 23669 -53.7 -77.7 4 24.0 -55.4 284 5 592.7 592.7 320.3 592.9 0.03 39 30 23880 -54.3 -78.3 4 24.0 -55.9 285 5 596.6 596.6 320.5 596.8 0.03 40 26 24795 -55.7 -79.7 3 24.0 -57.3 253 6 617.6 617.6 321.4 617.8 0.03 41 20 26490 -49.5 -74.5 4 25.0 -53.0 195 7 684.7 684.7 324.0 685.3 0.08 42 17 27554 -49.9 -74.9 4 25.0 -53.7 716.0 716.0 325.0 716.7 0.09 TRP 216 11246 -63.7 -74.7 21 11.0 -63.8 245 35 324.7 324.7 290.2 324.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5496.00 m Freezing level: 687.75 mb = 3105.24 m = 10187.68 ft Wetbulb zero: 768.24 mb = 2205.14 m = 7234.61 ft Precipitable water: 0.58 inches Sfc-500 mean rel hum: 41.25 % Est. max temperature: 19.61 C = 67.30 F Sfc-Lift cond lev (LCL): 975.13 mb = 258.58 m = 848.35 ft T: 3.34 C 700-500 lapse rate: 7.75 C/km ThetaE index: 5.32 C Layer 730.0- 700.0 mb Conv cond level (CCL): 981.25 mb = 207.77 m = 681.64 ft Mean mixing ratio: 5.08 g/kg Conv temperature: 5.03 C = 41.05 F Cap Strength: 13.31 C Lifted Index: 13.01 C Risk: None Lifted Index @300 mb: 17.48 C Lifted Index @700 mb: 13.13 C Showalter Index: 4.02 C Risk: None Total Totals Index: 47.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.30 C Cross Totals Index: 21.90 C K Index: -2.70 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 0.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.99 J/kg Max Up Vert Vel: 10.77 m/s Conv Inhibition (B-): 52415.11 J/kg Cap Strength: 13.14 C Lift Cond Lev (LCL): 931.78 mb = 627.76 m = 2059.56 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 61 at 4 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 ---------------------------------------------------------- 0 998 70 10 5 -0.9 -4.9 | 312 4 3.0 -2.8 1 925 687 5 5 -0.4 -5.0 | 309 4 3.5 -2.8 2 850 1382 225 3 2.1 2.1 | 235 7 6.0 4.3 3 700 2957 55 7 -5.7 -4.0 | 44 3 -1.8 -1.9 4 500 5550 20 7 -2.4 -6.6 | 341 5 1.5 -4.4 5 400 7170 305 7 5.7 -4.0 | 281 10 9.6 -1.9 6 300 9140 270 27 27.0 -0.0 | 266 31 30.9 2.2 7 250 10330 250 31 29.1 10.6 | 249 35 33.0 12.8 8 216 11246 245 35 31.7 14.8 | 245 39 35.6 16.9 9 200 11730 250 36 33.8 12.3 | 249 40 37.7 14.5 10 150 13580 245 35 31.7 14.8 | 245 39 35.6 16.9 11 100 16210 255 31 29.9 8.0 | 253 35 33.9 10.2 12 70 18490 270 25 25.0 -0.0 | 266 29 28.9 2.2 13 50 20630 275 11 11.0 -1.0 | 265 15 14.9 1.2 14 30 23880 285 5 4.8 -1.3 | 264 9 8.7 0.9 15 20 26490 195 7 1.8 6.8 | 213 11 5.7 8.9 Wind Parameters Mean winds (0-6000m): 31.1 at 6.0 knts Storm direction: 61.1 at 4.5 knts Shear (0-3000m) pos: 0.0 neg: 0.8 tot: 0.8 10-3/s Storm rel Dir Shear (0-3000m): 88.1 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -35.3 tot: -35.3 m^2/s^2 ave: -11.8 10^-3 m/s^2 rel: -0.90 Storm rel vorticity (0-3000m) horiz: 4.5 stream: -4.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 76.98 Bulk Shear: 0.75 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 8 5 311 4| 0.0 0.4 0.4| 0.0 -0.2 -0.2 -0.4 -0.55| 0.4 -0.2 1000 357 5 302 5| 0.0 3.0 3.0| 0.0 -8.8 -8.8 -8.8 -0.82| 3.4 -2.7 1500 352 4 295 5| 0.0 2.9 2.9| 0.0 -18.9 -18.9 -12.6 -0.89| 4.0 -3.5 2000 357 4 297 5| 0.0 2.4 2.4| 0.0 -26.3 -26.3 -13.2 -0.91| 4.0 -3.7 2500 41 4 322 2| 0.0 1.6 1.6| 0.0 -32.1 -32.1 -12.8 -0.89| 4.3 -3.8 3000 29 5 323 3| 0.0 0.8 0.8| 0.0 -35.3 -35.3 -11.8 -0.90| 4.5 -4.0 4000 38 5 343 2| 0.0 0.5 0.5| 0.0 -36.5 -36.5 -9.1 -0.90| 3.6 -3.2 5000 36 6 348 3| 0.0 0.3 0.3| 0.0 -37.8 -37.8 -7.6 -0.89| 3.0 -2.7 6000 31 6 344 3| 0.0 0.2 0.2| 0.0 -41.9 -41.9 -7.0 -0.88| 2.8 -2.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250427.00.gif