UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042000.upa.cvt Date: 0000Z 20 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 20 APR 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 1007 56 -14.1 -16.7 81 2.6 -14.6 0 0 258.5 258.7 258.1 261.3 1.03 1 1002 94 -11.9 -14.6 80 2.7 -12.5 335 2 261.1 261.3 260.5 264.4 1.23 2 1000 109 -11.9 -14.6 80 2.7 -12.5 325 3 261.2 261.4 260.7 264.6 1.23 3 976 296 -10.3 -12.8 82 2.5 -10.9 289 9 264.7 264.9 263.7 268.7 1.46 4 925 707 -13.3 -16.8 75 3.5 -14.0 210 21 265.7 265.9 263.8 268.8 1.11 5 850 1344 -18.5 -21.5 77 3.0 -19.0 215 17 266.8 266.9 264.0 269.0 0.81 6 788 1908 -19.1 -22.6 74 3.5 -19.7 227 17 272.0 272.1 267.5 274.3 0.79 7 700 2780 -24.1 -28.9 64 4.8 -24.7 245 17 275.8 275.9 269.5 277.3 0.50 8 587 4038 -33.3 -39.3 55 6.0 -33.7 269 13 279.3 279.4 271.1 280.0 0.22 9 500 5150 -38.5 -45.5 48 7.0 -38.8 290 9 286.1 286.1 274.8 286.5 0.13 10 451 5857 -42.1 -51.1 37 9.0 -42.4 315 18 290.1 290.2 276.9 290.4 0.08 11 400 6670 -44.1 -55.1 28 11.0 -44.5 345 29 297.7 297.7 280.4 297.9 0.05 12 333 7892 -46.3 -59.3 22 13.0 -46.7 337 41 310.7 310.7 285.6 310.8 0.04 13 320 8155 -48.5 -61.5 21 13.0 -48.8 335 44 311.2 311.2 285.8 311.3 0.03 14 301 8558 -47.9 -61.9 18 14.0 -48.3 335 44 317.5 317.5 288.0 317.7 0.03 15 300 8580 -47.9 -61.9 18 14.0 -48.3 335 44 317.8 317.8 288.1 318.0 0.03 16 257 9598 -47.9 -62.9 16 15.0 -48.3 339 33 332.2 332.2 292.3 332.3 0.03 17 250 9780 -48.3 -63.3 16 15.0 -48.7 340 31 334.3 334.3 292.9 334.4 0.03 18 226 10443 -46.3 -63.3 13 17.0 -46.9 338 26 347.1 347.1 296.0 347.3 0.03 19 200 11250 -46.9 -64.9 11 18.0 -47.5 335 19 358.5 358.5 298.4 358.6 0.03 20 150 13160 -45.5 -65.5 9 20.0 -46.4 285 3 391.7 391.7 304.0 391.8 0.04 21 130 14107 -47.7 -68.7 7 21.0 -48.6 285 4 404.1 404.1 305.7 404.2 0.03 22 100 15840 -46.5 -68.5 6 22.0 -47.7 285 7 437.9 437.9 309.7 438.1 0.04 23 83 17074 -45.7 -67.7 7 22.0 -47.3 225 9 463.5 463.5 312.1 463.8 0.05 24 70 18200 -47.5 -69.5 6 22.0 -49.0 170 11 482.8 482.8 313.7 483.0 0.05 25 50 20410 -49.3 -71.3 6 22.0 -51.0 210 19 527.3 527.3 316.8 527.6 0.05 26 46 20956 -50.1 -72.1 6 22.0 -51.8 538.1 538.1 317.4 538.4 0.05 27 41 21713 -47.1 -70.1 5 23.0 -49.6 563.6 563.6 318.9 564.1 0.07 28 36 22568 -50.3 -73.3 5 23.0 -52.4 576.6 576.7 319.5 577.0 0.05 TRP 320 8155 -48.5 -61.5 21 13.0 -48.8 335 44 311.2 311.2 285.8 311.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5041.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 65.41 % Est. max temperature: -5.95 C = 21.29 F Sfc-Lift cond lev (LCL): 965.41 mb = 379.30 m = 1244.40 ft T: -10.91 C 700-500 lapse rate: 6.08 C/km ThetaE index: 0.00 C Layer 1007.0-23451536406453698831346302976.0 mb Conv cond level (CCL): 887.06 mb = 1022.50 m = 3354.62 ft Mean mixing ratio: 1.25 g/kg Conv temperature: -6.37 C = 20.53 F Cap Strength: 10.22 C Lifted Index: 15.09 C Risk: None Lifted Index @300 mb: 35.40 C Lifted Index @700 mb: 8.11 C Showalter Index: 14.16 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 17.00 C K Index: -6.30 Risk: None Sweat Index: 43.00 Risk: None Energy Index: 3.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.00 J/kg Max Up Vert Vel: 6.16 m/s Conv Inhibition (B-): 47670.63 J/kg Cap Strength: 14.94 C Lift Cond Lev (LCL): 912.09 mb = 812.86 m = 2666.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 279 at 11 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 1007 56 0 0 -0.0 -0.0 | 99 11 -10.9 1.8 1 1000 109 325 3 1.7 -2.5 | 86 9 -9.1 -0.7 2 925 707 210 21 10.5 18.2 | 179 20 -0.4 20.0 3 850 1344 215 17 9.8 13.9 | 176 16 -1.1 15.7 4 700 2780 245 17 15.4 7.2 | 207 10 4.6 9.0 5 500 5150 290 9 8.5 -3.1 | 62 3 -2.4 -1.3 6 400 6670 345 29 7.5 -28.0 | 7 26 -3.3 -26.2 7 320 8155 335 44 18.6 -39.9 | 349 39 7.7 -38.1 8 300 8580 335 44 18.6 -39.9 | 349 39 7.7 -38.1 9 250 9780 340 31 10.6 -29.1 | 1 27 -0.2 -27.4 10 200 11250 335 19 8.0 -17.2 | 10 16 -2.8 -15.4 11 150 13160 285 3 2.9 -0.8 | 97 8 -8.0 1.0 12 100 15840 285 7 6.8 -1.8 | 90 4 -4.1 -0.0 13 70 18200 170 11 -1.9 10.8 | 135 18 -12.8 12.6 14 50 20410 210 19 9.5 16.5 | 176 18 -1.4 18.2 Wind Parameters Mean winds (0-6000m): 249.3 at 14.7 knts Storm direction: 279.3 at 11.0 knts Shear (0-3000m) pos: 2.0 neg: 3.2 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 111.3 deg Storm rel helicity (0-3000m) pos: 26.1 neg: -35.6 tot: -9.5 m^2/s^2 ave: -3.2 10^-3 m/s^2 rel: 0.05 Storm rel vorticity (0-3000m) horiz: 8.5 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 4.23 Bulk Shear: 4.49 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 ------------------------------------------------------------------------------- 500 250 9 152 5| 0.0 16.9 16.9| 1.5 -11.7 -10.2 -20.3 0.04| 25.1 1.0 1000 215 14 168 14| 0.0 9.7 9.7| 1.5 -33.6 -32.0 -32.0 -0.12| 18.9 -2.3 1500 215 15 172 15| 0.9 6.5 7.4| 5.4 -35.6 -30.2 -20.1 -0.10| 13.7 -1.3 2000 218 16 175 14| 1.4 4.8 6.3| 14.1 -35.6 -21.5 -10.7 -0.04| 11.1 -0.4 2500 221 16 179 14| 1.8 3.9 5.7| 21.6 -35.6 -14.0 -5.6 0.02| 9.5 0.2 3000 225 16 183 13| 2.0 3.2 5.2| 26.1 -35.6 -9.5 -3.2 0.05| 8.5 0.4 4000 233 16 189 11| 2.0 2.4 4.5| 28.0 -35.6 -7.6 -1.9 0.07| 7.1 0.5 5000 239 15 190 10| 1.9 1.9 3.9| 28.1 -35.6 -7.5 -1.5 0.05| 6.2 0.3 6000 249 15 202 8| 2.8 1.6 4.4| 30.9 -39.8 -9.0 -1.5 -0.01| 6.5 -0.0 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250420.00.gif