UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042812.upa.cvt Date: 1200Z 28 APR 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 28 APR 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 29 SFC 987 135 3.4 -2.6 65 6.0 1.0 300 1 277.6 278.1 274.8 286.5 3.19 2 984 160 3.2 -1.8 70 5.0 1.1 301 1 277.6 278.2 275.1 287.0 3.40 3 926 648 -0.5 -9.5 51 9.0 -3.5 330 11 278.7 279.1 273.7 284.4 2.01 4 925 657 -0.5 -9.5 51 9.0 -3.5 330 11 278.8 279.1 273.8 284.5 2.01 5 850 1325 -6.5 -12.5 62 6.0 -8.2 320 15 279.3 279.6 273.6 284.3 1.72 6 760 2187 -13.9 -16.8 79 2.9 -14.6 308 10 280.4 280.6 273.6 284.4 1.35 7 739 2399 -15.3 -17.8 81 2.5 -15.9 306 9 281.1 281.4 273.9 284.9 1.28 8 711 2690 -17.5 -20.0 81 2.5 -18.0 302 8 281.8 282.0 274.0 285.1 1.10 9 706 2743 -16.5 -19.1 80 2.6 -17.1 301 7 283.5 283.7 275.1 287.1 1.19 10 700 2807 -16.9 -19.7 79 2.8 -17.5 300 7 283.8 284.0 275.2 287.2 1.14 11 525 4897 -32.5 -37.5 61 5.0 -32.9 338 10 289.3 289.4 276.8 290.3 0.29 12 515 5033 -32.9 -38.9 55 6.0 -33.4 341 11 290.5 290.5 277.3 291.3 0.26 13 500 5240 -33.7 -39.7 55 6.0 -34.1 345 11 292.0 292.0 278.0 292.8 0.24 14 425 6373 -36.9 -50.9 22 14.0 -37.6 287 34 301.8 301.8 282.2 302.1 0.08 15 410 6621 -38.5 -53.5 19 15.0 -39.2 274 39 302.8 302.8 282.6 303.0 0.06 16 400 6790 -39.7 -53.7 21 14.0 -40.3 265 42 303.4 303.4 282.8 303.6 0.06 17 328 8119 -49.5 -57.5 39 8.0 -49.7 257 61 307.6 307.6 284.5 307.8 0.05 18 313 8425 -50.9 -58.3 41 7.4 -51.0 255 66 309.9 309.9 285.3 310.1 0.05 19 302 8657 -51.9 -58.9 43 7.0 -52.1 260 58 311.6 311.6 285.9 311.8 0.04 20 300 8700 -51.9 -58.9 43 7.0 -52.1 260 58 312.2 312.2 286.2 312.4 0.05 21 286 9010 -50.9 -58.9 38 8.0 -51.1 264 48 317.9 317.9 288.1 318.1 0.05 22 284 9056 -51.3 -58.3 43 7.0 -51.5 265 47 318.0 318.0 288.2 318.2 0.05 23 250 9890 -48.5 -57.5 34 9.0 -48.8 275 21 334.0 334.0 292.9 334.2 0.06 24 221 10708 -46.5 -58.5 24 12.0 -47.0 286 15 349.0 349.0 296.5 349.3 0.06 25 200 11370 -48.3 -63.3 16 15.0 -48.8 295 11 356.3 356.3 298.0 356.5 0.04 26 170 12437 -47.7 -65.7 11 18.0 -48.4 301 6 374.2 374.2 301.3 374.4 0.03 27 150 13260 -48.3 -68.3 8 20.0 -49.0 305 3 386.8 386.8 303.3 387.0 0.03 28 100 15920 -50.1 -73.1 5 23.0 -51.0 345 11 430.9 430.9 308.9 431.0 0.02 29 87 16824 -51.5 -74.5 5 23.0 -52.4 343 10 445.6 445.6 310.4 445.7 0.02 30 81 17289 -49.7 -73.7 4 24.0 -50.8 342 10 458.5 458.5 311.7 458.6 0.02 31 70 18240 -50.5 -74.5 4 24.0 -51.7 340 9 476.3 476.4 313.2 476.5 0.02 32 50 20430 -51.3 -76.3 4 25.0 -52.8 355 7 522.6 522.6 316.5 522.7 0.02 33 33 23128 -51.7 -76.7 3 25.0 -53.7 587.5 587.5 320.0 587.7 0.03 TRP 302 8657 -51.9 -58.9 43 7.0 -52.1 260 58 311.6 311.6 285.9 311.8 0.04 WND 313 8425 -50.9 -58.3 41 7.4 -51.0 255 66 309.9 309.9 285.3 310.1 0.05 Sounding variables and indices 1000-500 mb thick: 5211.00 m Freezing level: 933.84 mb = 582.33 m = 1910.51 ft Wetbulb zero: 969.80 mb = 276.60 m = 907.47 ft Precipitable water: 0.27 inches Sfc-500 mean rel hum: 67.70 % Est. max temperature: 5.30 C = 41.55 F Sfc-Lift cond lev (LCL): 899.42 mb = 878.59 m = 2882.46 ft T: -2.49 C 700-500 lapse rate: 6.91 C/km ThetaE index: 2.62 C Layer 926.0- 925.0 mb Conv cond level (CCL): 822.23 mb = 1580.91 m = 5186.65 ft Mean mixing ratio: 2.41 g/kg Conv temperature: 5.49 C = 41.88 F Cap Strength: 5.05 C Lifted Index: 6.12 C Risk: None Lifted Index @300 mb: 19.10 C Lifted Index @700 mb: 1.95 C Showalter Index: 6.89 C Risk: None Total Totals Index: 48.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 21.20 C K Index: 11.90 Risk: None Sweat Index: 41.00 Risk: None Energy Index: 1.72 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.86 J/kg Max Up Vert Vel: 3.42 m/s Conv Inhibition (B-): 42842.68 J/kg Cap Strength: 5.58 C Lift Cond Lev (LCL): 837.33 mb = 1440.69 m = 4726.62 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 349 at 9 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 ---------------------------------------------------------- 0 987 135 300 1 0.9 -0.5 | 175 8 -0.7 7.9 1 925 657 330 11 5.5 -9.5 | 286 4 3.9 -1.2 2 850 1325 320 15 9.6 -11.5 | 291 9 8.1 -3.1 3 700 2807 300 7 6.1 -3.5 | 223 7 4.5 4.9 4 500 5240 345 11 2.8 -10.6 | 330 3 1.3 -2.3 5 400 6790 265 42 41.8 3.7 | 253 42 40.3 12.0 6 313 8425 255 66 63.8 17.1 | 248 67 62.2 25.4 7 302 8657 260 58 57.1 10.1 | 252 59 55.6 18.4 8 300 8700 260 58 57.1 10.1 | 252 59 55.6 18.4 9 250 9890 275 21 20.9 -1.8 | 251 20 19.4 6.5 10 200 11370 295 11 10.0 -4.6 | 246 9 8.4 3.7 11 150 13260 305 3 2.5 -1.7 | 188 7 0.9 6.6 12 100 15920 345 11 2.8 -10.6 | 330 3 1.3 -2.3 13 70 18240 340 9 3.1 -8.5 | 274 2 1.5 -0.1 14 50 20430 355 7 0.6 -7.0 | 146 2 -0.9 1.4 Wind Parameters Mean winds (0-6000m): 319.5 at 11.3 knts Storm direction: 349.5 at 8.5 knts Shear (0-3000m) pos: 1.6 neg: 0.8 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 54.2 deg Storm rel helicity (0-3000m) pos: 14.2 neg: -16.3 tot: -2.1 m^2/s^2 ave: -0.7 10^-3 m/s^2 rel: 0.08 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.38 Bulk Shear: 4.25 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 ------------------------------------------------------------------------------- 500 327 6 204 4| 10.0 0.0 10.0| 12.0 0.0 12.0 24.0 0.89| 10.5 9.3 1000 327 9 257 4| 5.0 1.8 6.8| 13.2 0.0 13.2 13.2 0.72| 7.1 5.1 1500 323 11 273 5| 3.3 1.3 4.6| 13.2 -4.0 9.2 6.1 0.48| 5.8 2.8 2000 321 11 272 6| 2.5 0.9 3.4| 13.2 -9.6 3.6 1.8 0.26| 5.2 1.3 2500 319 11 267 6| 2.0 1.0 3.0| 13.2 -14.7 -1.5 -0.6 0.10| 4.7 0.5 3000 317 10 261 5| 1.6 0.8 2.5| 14.2 -16.3 -2.1 -0.7 0.08| 4.2 0.4 4000 317 10 256 5| 1.6 0.6 2.2| 17.3 -16.3 1.0 0.2 0.16| 3.6 0.6 5000 322 10 261 5| 1.5 0.5 2.0| 19.9 -16.3 3.6 0.7 0.24| 3.2 0.8 6000 319 11 273 6| 1.3 2.0 3.3| 20.1 -58.1 -38.0 -6.3 -0.04| 4.8 -0.2 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20250428.12.gif