UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 17 OCT 25 Station: U1946 WMO ident: 21946 Latitude: 70.62 Longitude: 147.90 ------------------------------------------------------------------------------- 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 1006 41 -6.1 -6.8 95 0.7 -6.3 310 29 266.6 267.0 266.5 272.7 2.28 1 1000 88 -6.7 -8.5 87 1.8 -7.2 295 33 266.5 266.8 265.9 271.9 2.01 2 925 695 -7.9 -9.3 90 1.4 -8.3 290 40 271.2 271.6 269.2 276.8 2.04 3 850 1350 -10.1 -11.6 89 1.5 -10.5 280 33 275.6 275.9 271.6 280.8 1.85 4 764 2168 -13.1 -14.6 88 1.5 -13.5 291 31 280.9 281.1 274.3 285.5 1.61 5 700 2837 -11.7 -13.2 89 1.5 -12.2 300 29 289.5 289.9 279.3 295.4 1.97 6 698 2859 -11.7 -13.2 89 1.5 -12.2 300 29 289.8 290.1 279.4 295.7 1.98 7 680 3059 -12.3 -14.0 87 1.7 -12.8 301 29 291.3 291.6 280.0 297.0 1.90 8 650 3400 -17.3 -19.2 85 1.9 -17.7 302 30 289.4 289.6 278.3 293.3 1.29 9 607 3912 -18.3 -22.1 72 3.8 -19.1 304 31 294.0 294.2 280.1 297.3 1.07 10 573 4343 -17.7 -27.7 41 10.0 -19.6 306 31 299.6 299.7 282.1 301.8 0.68 11 558 4541 -19.3 -29.3 41 10.0 -21.0 307 32 299.9 300.1 282.1 301.9 0.61 12 557 4554 -20.3 -30.3 40 10.0 -21.9 307 32 298.9 299.0 281.7 300.7 0.55 13 553 4607 -23.1 -32.1 44 9.0 -24.4 307 32 296.2 296.3 280.3 297.8 0.47 14 500 5340 -26.5 -35.5 42 9.0 -27.6 310 33 300.7 300.8 282.2 302.0 0.37 15 488 5514 -27.5 -35.5 46 8.0 -28.5 311 31 301.6 301.7 282.5 302.9 0.38 16 484 5573 -29.9 -36.9 51 7.0 -30.6 311 30 299.4 299.4 281.5 300.5 0.33 17 435 6326 -32.1 -37.1 61 5.0 -32.6 313 21 305.8 305.9 284.2 307.1 0.36 18 434 6343 -32.3 -37.3 61 5.0 -32.8 313 20 305.8 305.9 284.2 307.0 0.36 19 427 6456 -34.1 -41.1 49 7.0 -34.7 314 19 304.9 305.0 283.7 305.8 0.25 20 400 6910 -35.9 -43.9 44 8.0 -36.5 315 13 308.3 308.4 284.9 309.0 0.19 21 398 6945 -36.1 -44.1 44 8.0 -36.7 315 13 308.5 308.5 285.0 309.2 0.19 22 397 6962 -37.3 -45.3 43 8.0 -37.8 315 13 307.2 307.2 284.5 307.8 0.17 23 396 6980 -38.3 -46.3 43 8.0 -38.8 315 13 306.1 306.1 284.0 306.6 0.15 24 366 7519 -40.1 -47.1 47 7.0 -40.5 315 12 310.7 310.7 285.8 311.2 0.15 25 358 7669 -42.5 -48.5 52 6.0 -42.8 315 12 309.4 309.4 285.3 309.9 0.13 26 345 7918 -43.7 -49.7 51 6.0 -44.0 315 12 311.1 311.1 285.9 311.5 0.12 27 340 8016 -46.1 -52.1 51 6.0 -46.3 315 12 309.1 309.1 285.1 309.5 0.09 28 310 8627 -48.3 -53.3 56 5.0 -48.5 315 11 314.3 314.3 286.9 314.6 0.09 29 309 8648 -50.5 -55.0 59 4.5 -50.6 315 11 311.5 311.5 285.9 311.8 0.07 30 302 8797 -52.5 -57.1 57 4.6 -52.6 315 11 310.8 310.8 285.7 311.0 0.06 31 300 8840 -52.7 -57.3 57 4.6 -52.8 315 11 311.1 311.1 285.8 311.3 0.06 32 279 9310 -53.7 -58.2 58 4.5 -53.8 333 15 316.1 316.2 287.5 316.4 0.05 33 278 9334 -55.5 -59.8 59 4.3 -55.6 333 15 313.9 313.9 286.8 314.0 0.04 34 266 9616 -56.3 -60.5 59 4.2 -56.4 344 17 316.7 316.7 287.7 316.9 0.04 35 265 9640 -57.7 -62.1 57 4.4 -57.8 345 17 315.0 315.0 287.1 315.1 0.03 36 250 10010 -57.5 -62.0 56 4.5 -57.6 345 21 320.6 320.6 289.0 320.7 0.04 37 204 11295 -58.1 -62.6 56 4.5 -58.2 327 21 338.8 338.8 294.1 339.0 0.04 38 200 11420 -58.1 -62.6 56 4.5 -58.2 325 21 340.8 340.8 294.6 340.9 0.04 39 195 11579 -58.3 -62.8 56 4.5 -58.4 326 20 342.9 342.9 295.1 343.1 0.04 40 193 11644 -54.9 -59.4 57 4.5 -55.0 326 20 349.4 349.4 296.5 349.7 0.07 41 150 13260 -52.7 -58.7 48 6.0 -52.9 335 13 379.3 379.3 302.2 379.7 0.09 42 120 14702 -52.5 -60.5 37 8.0 -52.9 404.6 404.7 305.9 405.1 0.09 TRP 265 9640 -57.7 -62.1 57 4.4 -57.8 345 17 315.0 315.0 287.1 315.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5252.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.33 inches Sfc-500 mean rel hum: 75.87 % Est. max temperature: 2.52 C = 36.54 F Sfc-Lift cond lev (LCL): 994.68 mb = 129.53 m = 424.96 ft T: -6.78 C 700-500 lapse rate: 5.91 C/km ThetaE index: 0.84 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 830.85 mb = 1524.76 m = 5002.42 ft Mean mixing ratio: 2.03 g/kg Conv temperature: 4.02 C = 39.23 F Cap Strength: 21.75 C Lifted Index: 21.53 C Risk: None Lifted Index @300 mb: 25.68 C Lifted Index @700 mb: 14.94 C Showalter Index: 16.78 C Risk: None Total Totals Index: 31.30 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 14.90 C K Index: 3.30 Risk: None Sweat Index: 99.00 Risk: None Energy Index: 4.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.37 J/kg Max Up Vert Vel: 6.06 m/s Conv Inhibition (B-): 18105.43 J/kg Cap Strength: 21.74 C Lift Cond Lev (LCL): 931.10 mb = 643.83 m = 2112.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 328 at 24 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 1006 41 310 29 22.2 -18.6 | 260 10 9.6 1.7 1 1000 88 295 33 29.9 -13.9 | 250 18 17.3 6.3 2 925 695 290 40 37.6 -13.7 | 255 26 25.0 6.6 3 850 1350 280 33 32.5 -5.7 | 234 25 19.9 14.6 4 700 2837 300 29 25.1 -14.5 | 245 14 12.5 5.8 5 500 5340 310 33 25.3 -21.2 | 274 13 12.7 -0.9 6 400 6910 315 13 9.2 -9.2 | 163 12 -3.4 11.1 7 300 8840 315 11 7.8 -7.8 | 159 13 -4.8 12.5 8 265 9640 345 17 4.4 -16.4 | 115 9 -8.2 3.9 9 250 10010 345 21 5.4 -20.3 | 90 7 -7.1 0.0 10 200 11420 325 21 12.0 -17.2 | 170 3 -0.5 3.1 11 150 13260 335 13 5.5 -11.8 | 140 11 -7.1 8.5 Wind Parameters Mean winds (0-6000m): 298.2 at 31.8 knts Storm direction: 328.2 at 23.9 knts Shear (0-3000m) pos: 1.8 neg: 2.6 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): -12.9 deg Storm rel helicity (0-3000m) pos: 30.4 neg: -69.2 tot: -38.7 m^2/s^2 ave: -12.9 10^-3 m/s^2 rel: -0.15 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -1.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.71 Bulk Shear: 2.38 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 ------------------------------------------------------------------------------- 500 294 35 253 21| 0.0 14.6 14.6| 7.8 -8.2 -0.4 -0.8 -0.07| 15.1 -1.1 1000 291 37 252 23| 0.0 8.2 8.2| 9.3 -41.4 -32.1 -32.1 -0.27| 10.9 -2.9 1500 288 36 247 23| 0.0 5.1 5.1| 12.6 -69.2 -56.6 -37.7 -0.35| 9.2 -3.2 2000 288 35 245 23| 1.0 3.8 4.9| 20.9 -69.2 -48.3 -24.2 -0.26| 7.9 -2.1 2500 288 34 244 22| 1.6 3.1 4.7| 26.4 -69.2 -42.8 -17.1 -0.20| 7.1 -1.4 3000 290 33 244 21| 1.8 2.6 4.3| 30.4 -69.2 -38.7 -12.9 -0.15| 6.4 -1.0 4000 293 32 246 19| 1.6 1.9 3.5| 39.5 -69.2 -29.6 -7.4 -0.08| 5.2 -0.4 5000 296 32 249 18| 1.5 1.5 3.1| 48.8 -69.2 -20.4 -4.1 -0.01| 4.4 -0.0 6000 298 32 251 16| 1.4 1.3 2.7| 51.6 -84.0 -32.4 -5.4 -0.11| 4.5 -0.5 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251017.12.gif