UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102012.upa.cvt Date: 1200Z 20 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 20 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 1009 46 -5.5 -6.5 93 1.0 -5.8 360 13 267.0 267.3 266.8 273.2 2.32 1 1000 116 -5.1 -7.1 86 2.0 -5.7 345 21 268.0 268.4 267.4 274.1 2.24 2 980 274 -5.3 -7.6 84 2.3 -6.0 349 21 269.4 269.8 268.2 275.4 2.20 3 925 723 -9.5 -12.7 77 3.2 -10.3 360 21 269.6 269.8 267.3 273.9 1.55 4 909 858 -10.9 -13.6 80 2.7 -11.6 357 21 269.5 269.7 267.1 273.6 1.47 5 869 1203 -12.3 -14.9 81 2.6 -12.9 349 21 271.5 271.8 268.3 275.4 1.38 6 850 1372 -13.7 -17.4 74 3.7 -14.5 345 21 271.8 272.0 268.0 275.1 1.15 7 733 2478 -22.1 -24.3 82 2.2 -22.4 8 18 274.4 274.5 269.0 276.5 0.73 8 700 2817 -22.1 -24.5 81 2.4 -22.5 15 17 278.0 278.1 271.3 280.2 0.75 9 684 2986 -22.5 -25.2 79 2.7 -22.9 15 18 279.4 279.5 272.1 281.6 0.72 10 572 4281 -28.3 -34.3 56 6.0 -28.9 12 25 287.3 287.3 275.9 288.4 0.37 11 558 4457 -29.7 -36.7 51 7.0 -30.3 12 26 287.7 287.7 275.9 288.6 0.30 12 500 5230 -34.9 -39.9 60 5.0 -35.3 10 31 290.5 290.5 277.3 291.3 0.24 13 400 6760 -44.1 -47.4 70 3.3 -44.2 10 42 297.7 297.7 280.5 298.1 0.13 14 373 7224 -47.5 -50.4 72 2.9 -47.6 11 42 299.2 299.2 281.1 299.5 0.10 15 349 7661 -48.9 -52.0 70 3.1 -49.0 12 42 303.0 303.0 282.7 303.4 0.09 16 336 7909 -49.9 -53.2 68 3.3 -50.0 13 42 305.0 305.0 283.5 305.3 0.08 17 300 8640 -54.5 -58.2 64 3.7 -54.6 15 42 308.5 308.5 284.8 308.7 0.05 18 287 8924 -56.1 -59.6 65 3.5 -56.2 15 42 310.2 310.2 285.4 310.3 0.04 19 271 9289 -57.3 -60.9 63 3.6 -57.3 15 42 313.6 313.6 286.6 313.7 0.04 20 250 9800 -57.7 -61.4 63 3.7 -57.8 15 38 320.3 320.3 288.9 320.4 0.04 21 248 9851 -57.9 -61.7 62 3.8 -58.0 15 38 320.7 320.7 289.0 320.9 0.04 22 200 11230 -52.5 -56.9 59 4.4 -52.7 20 31 349.6 349.6 296.6 350.0 0.09 23 192 11493 -51.5 -56.0 58 4.5 -51.7 19 29 355.3 355.4 297.8 355.8 0.10 24 150 13090 -51.3 -58.3 43 7.0 -51.6 15 19 381.7 381.7 302.6 382.1 0.10 25 100 15720 -52.5 -64.5 22 12.0 -53.1 30 13 426.3 426.3 308.4 426.6 0.07 26 91 16330 -52.5 -65.5 19 13.0 -53.1 35 11 437.9 438.0 309.7 438.3 0.06 27 70 18020 -54.1 -70.1 12 16.0 -54.8 50 7 468.6 468.7 312.5 468.9 0.04 28 50 20170 -56.1 -74.1 9 18.0 -56.9 130 5 511.3 511.3 315.7 511.5 0.03 29 47 20563 -56.3 -74.3 9 18.0 -57.2 519.9 519.9 316.3 520.1 0.03 30 47 20563 -56.5 -74.5 9 18.0 -57.3 519.4 519.5 316.3 519.7 0.03 31 45 20839 -56.9 -74.9 9 18.0 -57.8 525.0 525.0 316.6 525.2 0.03 32 33 22813 -54.9 -73.9 8 19.0 -56.3 579.0 579.0 319.6 579.3 0.05 TRP 271 9289 -57.3 -60.9 63 3.6 -57.3 15 42 313.6 313.6 286.6 313.7 0.04 WND Sounding variables and indices 1000-500 mb thick: 5114.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.22 inches Sfc-500 mean rel hum: 71.93 % Est. max temperature: -0.78 C = 30.60 F Sfc-Lift cond lev (LCL): 992.96 mb = 171.36 m = 562.19 ft T: -5.17 C 700-500 lapse rate: 5.30 C/km ThetaE index: 1.80 C Layer 925.0- 869.0 mb Conv cond level (CCL): 916.75 mb = 792.16 m = 2598.91 ft Mean mixing ratio: 1.92 g/kg Conv temperature: -2.91 C = 26.77 F Cap Strength: 11.71 C Lifted Index: 13.42 C Risk: None Lifted Index @300 mb: 24.17 C Lifted Index @700 mb: 4.83 C Showalter Index: 12.95 C Risk: None Total Totals Index: 38.70 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 17.50 C K Index: 1.40 Risk: None Sweat Index: 73.00 Risk: None Energy Index: 3.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.99 J/kg Max Up Vert Vel: 3.74 m/s Conv Inhibition (B-): 41680.60 J/kg Cap Strength: 13.35 C Lift Cond Lev (LCL): 921.77 mb = 750.02 m = 2460.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 35 at 18 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 1009 46 360 13 -0.0 -13.0 | 262 10 10.2 1.4 1 1000 116 345 21 5.4 -20.3 | 291 17 15.6 -5.9 2 925 723 360 21 -0.0 -21.0 | 303 12 10.2 -6.6 3 850 1372 345 21 5.4 -20.3 | 291 17 15.6 -5.9 4 700 2817 15 17 -4.4 -16.4 | 289 6 5.8 -2.0 5 500 5230 10 31 -5.4 -30.5 | 343 17 4.8 -16.1 6 400 6760 10 42 -7.3 -41.4 | 354 27 2.9 -27.0 7 300 8640 15 42 -10.9 -40.6 | 1 26 -0.7 -26.2 8 271 9289 15 42 -10.9 -40.6 | 1 26 -0.7 -26.2 9 250 9800 15 38 -9.8 -36.7 | 359 22 0.4 -22.3 10 200 11230 20 31 -10.6 -29.1 | 2 15 -0.4 -14.7 11 150 13090 15 19 -4.9 -18.4 | 307 7 5.3 -4.0 12 100 15720 30 13 -6.5 -11.3 | 230 5 3.7 3.1 13 70 18020 50 7 -5.4 -4.5 | 206 11 4.8 9.9 14 50 20170 130 5 -3.8 3.2 | 200 19 6.4 17.6 Wind Parameters Mean winds (0-6000m): 5.3 at 23.5 knts Storm direction: 35.3 at 17.6 knts Shear (0-3000m) pos: 1.5 neg: 1.4 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 38.7 deg Storm rel helicity (0-3000m) pos: 37.4 neg: -11.9 tot: 25.5 m^2/s^2 ave: 8.5 10^-3 m/s^2 rel: 0.26 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 1.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.26 Bulk Shear: 5.56 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 ------------------------------------------------------------------------------- 500 350 20 293 15| 0.0 8.3 8.3| 29.8 0.0 29.8 59.7 0.69| 13.2 9.1 1000 354 21 296 14| 0.0 4.3 4.3| 32.5 -5.0 27.5 27.5 0.49| 8.6 4.2 1500 352 21 295 15| 0.0 2.8 2.8| 33.4 -10.9 22.5 15.0 0.34| 7.0 2.4 2000 352 21 295 14| 1.0 2.1 3.1| 35.4 -10.9 24.6 12.3 0.31| 6.3 1.9 2500 354 20 295 13| 1.5 1.7 3.2| 35.5 -11.3 24.2 9.7 0.26| 5.8 1.5 3000 357 20 295 13| 1.5 1.4 2.9| 37.4 -11.9 25.5 8.5 0.26| 5.3 1.4 4000 1 20 300 11| 1.2 1.7 2.9| 46.5 -11.9 34.6 8.6 0.34| 4.7 1.6 5000 4 21 309 11| 0.9 2.0 2.9| 54.6 -11.9 42.7 8.5 0.35| 4.4 1.5 6000 5 24 318 12| 0.8 2.2 3.0| 67.6 -11.9 55.7 9.3 0.35| 4.3 1.5 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251020.12.gif