UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101812.upa.cvt Date: 1200Z 18 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 18 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 1003 40 -3.5 -3.5 100 0.0 -3.5 320 33 269.4 269.9 269.5 277.3 2.94 1 1000 64 -4.5 -6.0 89 1.5 -5.0 315 33 268.6 269.0 268.2 275.2 2.44 2 986 175 -5.1 -6.6 89 1.5 -5.6 313 32 269.1 269.5 268.4 275.5 2.36 3 952 451 -4.1 -5.3 91 1.2 -4.5 309 28 272.9 273.3 271.3 280.3 2.70 4 925 678 -5.1 -6.5 90 1.4 -5.5 305 25 274.1 274.5 271.8 281.1 2.54 5 850 1338 -9.1 -10.5 90 1.4 -9.5 305 25 276.6 277.0 272.5 282.3 2.02 6 767 2124 -13.9 -15.6 87 1.7 -14.3 308 24 279.7 279.9 273.4 284.0 1.48 7 700 2810 -19.7 -22.7 77 3.0 -20.3 310 23 280.7 280.8 273.1 283.3 0.88 8 684 2981 -20.7 -23.6 78 2.9 -21.2 310 24 281.4 281.6 273.4 283.9 0.83 9 679 3035 -22.1 -24.5 81 2.4 -22.5 310 25 280.4 280.6 272.8 282.8 0.77 10 642 3446 -23.5 -25.6 83 2.1 -23.8 310 27 283.4 283.5 274.3 285.6 0.74 11 611 3805 -27.1 -29.1 83 2.0 -27.3 310 30 283.3 283.4 274.0 285.0 0.56 12 607 3853 -24.3 -26.4 83 2.1 -24.6 310 30 287.0 287.2 276.3 289.3 0.73 13 522 4942 -28.9 -33.8 63 4.9 -29.5 310 38 294.2 294.2 279.3 295.5 0.42 14 500 5250 -29.7 -34.4 64 4.7 -30.2 310 40 296.8 296.9 280.6 298.2 0.41 15 484 5482 -30.1 -34.7 64 4.6 -30.6 311 41 299.1 299.2 281.5 300.5 0.42 16 474 5630 -32.7 -37.3 63 4.6 -33.1 312 42 297.7 297.7 280.8 298.8 0.33 17 430 6312 -35.1 -39.4 65 4.3 -35.5 317 47 303.0 303.1 283.0 304.0 0.29 18 425 6393 -37.7 -42.1 63 4.4 -38.0 317 47 300.7 300.8 282.0 301.5 0.22 19 400 6810 -39.3 -43.5 64 4.2 -39.6 320 50 303.9 303.9 283.2 304.6 0.20 20 376 7233 -39.9 -44.0 65 4.1 -40.2 317 52 308.5 308.6 285.1 309.3 0.20 21 372 7306 -41.7 -45.9 64 4.2 -41.9 317 52 307.1 307.1 284.4 307.7 0.17 22 344 7833 -43.7 -48.2 61 4.5 -43.9 314 55 311.3 311.4 286.0 311.9 0.14 23 314 8440 -48.3 -52.6 61 4.3 -48.4 310 58 313.2 313.2 286.6 313.5 0.09 24 300 8740 -48.3 -52.6 61 4.3 -48.4 305 56 317.3 317.3 288.0 317.6 0.10 25 250 9940 -48.3 -52.6 61 4.3 -48.5 310 48 334.3 334.3 293.0 334.7 0.12 26 227 10576 -48.3 -52.6 61 4.3 -48.5 343.6 343.6 295.3 344.1 0.13 TRP 314 8440 -48.3 -52.6 61 4.3 -48.4 310 58 313.2 313.2 286.6 313.5 0.09 WND Sounding variables and indices 1000-500 mb thick: 5186.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.31 inches Sfc-500 mean rel hum: 81.50 % Est. max temperature: 3.60 C = 38.47 F Sfc-Lift cond lev (LCL): 1002.78 mb = 42.14 m = 138.27 ft T: -3.57 C 700-500 lapse rate: 4.10 C/km ThetaE index: 2.08 C Layer 1000.0- 986.0 mb Conv cond level (CCL): 886.04 mb = 1013.92 m = 3326.47 ft Mean mixing ratio: 2.52 g/kg Conv temperature: 2.47 C = 36.44 F Cap Strength: 13.03 C Lifted Index: 14.99 C Risk: None Lifted Index @300 mb: 27.09 C Lifted Index @700 mb: 3.66 C Showalter Index: 12.41 C Risk: None Total Totals Index: 39.80 C Risk: None Vertical Totals Index: 20.60 C Cross Totals Index: 19.20 C K Index: 7.10 Risk: None Sweat Index: 90.00 Risk: None Energy Index: 3.22 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.19 J/kg Max Up Vert Vel: 7.37 m/s Conv Inhibition (B-): 6635.05 J/kg Cap Strength: 14.86 C Lift Cond Lev (LCL): 931.41 mb = 623.63 m = 2046.01 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 at 23 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 1003 40 320 33 21.2 -25.3 | 287 14 13.3 -4.0 1 1000 64 315 33 23.3 -23.3 | 278 16 15.5 -2.1 2 925 678 305 25 20.5 -14.3 | 241 14 12.6 6.9 3 850 1338 305 25 20.5 -14.3 | 241 14 12.6 6.9 4 700 2810 310 23 17.6 -14.8 | 236 12 9.7 6.5 5 500 5250 310 40 30.6 -25.7 | 281 23 22.8 -4.5 6 400 6810 320 50 32.1 -38.3 | 305 30 24.3 -17.0 7 314 8440 310 58 44.4 -37.3 | 294 40 36.5 -16.0 8 300 8740 305 56 45.9 -32.1 | 286 40 38.0 -10.9 9 250 9940 310 48 36.8 -30.9 | 288 30 28.9 -9.6 Wind Parameters Mean winds (0-6000m): 309.7 at 30.2 knts Storm direction: 339.7 at 22.7 knts Shear (0-3000m) pos: 0.4 neg: 1.9 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -43.2 deg Storm rel helicity (0-3000m) pos: 4.6 neg: -48.2 tot: -43.6 m^2/s^2 ave: -14.5 10^-3 m/s^2 rel: -0.69 Storm rel vorticity (0-3000m) horiz: 2.8 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 152.94 Bulk Shear: 0.18 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 30 265 15| 0.0 9.3 9.3| 0.0 -36.9 -36.9 -73.8 -0.97| 10.2 -9.8 1000 309 28 254 14| 0.0 5.6 5.6| 0.0 -44.7 -44.7 -44.7 -0.97| 6.1 -6.0 1500 308 27 250 14| 0.1 3.8 3.9| 0.0 -45.1 -45.1 -30.1 -0.95| 4.2 -4.0 2000 308 26 247 14| 0.4 2.8 3.2| 0.0 -46.3 -46.3 -23.2 -0.90| 3.4 -3.1 2500 308 26 246 14| 0.5 2.3 2.7| 0.0 -47.7 -47.7 -19.1 -0.87| 2.9 -2.6 3000 308 25 245 13| 0.4 1.9 2.3| 4.6 -48.2 -43.6 -14.5 -0.69| 2.8 -1.9 4000 308 26 248 13| 0.3 1.0 1.3| 25.3 -48.2 -22.9 -5.7 -0.24| 3.0 -0.7 5000 309 28 255 14| 0.2 1.0 1.3| 45.9 -48.2 -2.3 -0.5 -0.05| 3.1 -0.2 6000 310 30 263 16| 0.7 0.9 1.6| 86.4 -48.2 38.2 6.4 0.13| 3.3 0.4 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251018.12.gif