UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100712.upa.cvt Date: 1200Z 7 OCT 25 Searching for U1946... Searching the city database file for: U1946 ... Date:1200Z 7 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 1013 46 -6.5 -7.0 96 0.5 -6.7 350 1 265.7 266.0 265.8 271.6 2.23 1 1000 147 -6.5 -7.4 93 0.9 -6.8 320 15 266.6 267.0 266.4 272.5 2.19 2 927 738 -6.3 -9.7 77 3.4 -7.3 86 13 272.7 273.0 270.0 278.2 1.97 3 875 1183 -12.3 -13.5 91 1.2 -12.6 47 9 271.0 271.3 268.2 275.3 1.54 4 850 1404 -12.9 -18.9 61 6.0 -14.2 25 7 272.6 272.8 268.4 275.5 1.01 5 845 1449 -13.5 -20.5 56 7.0 -14.9 25 7 272.5 272.6 268.0 275.0 0.88 6 807 1797 -16.1 -23.1 55 7.0 -17.3 28 6 273.3 273.4 268.3 275.5 0.74 7 727 2579 -17.7 -25.7 50 8.0 -19.0 33 5 279.8 279.9 272.2 281.8 0.65 8 700 2861 -19.7 -28.7 45 9.0 -21.0 35 5 280.7 280.8 272.5 282.2 0.51 9 602 3957 -28.9 -44.9 20 16.0 -30.0 66 13 282.4 282.4 272.8 282.8 0.12 10 570 4348 -27.5 -46.5 15 19.0 -28.9 78 16 288.5 288.5 276.0 288.8 0.10 11 504 5224 -31.3 -59.3 5 28.0 -32.6 103 23 294.2 294.2 278.7 294.3 0.03 12 500 5280 -31.5 -59.5 5 28.0 -32.7 105 23 294.6 294.6 279.0 294.7 0.03 13 478 5598 -33.3 -59.3 6 26.0 -34.4 104 25 296.2 296.2 279.7 296.3 0.03 14 400 6830 -42.1 -57.1 18 15.0 -42.6 100 35 300.3 300.3 281.5 300.4 0.04 15 342 7871 -50.1 -60.1 30 10.0 -50.3 100 36 303.2 303.2 282.7 303.3 0.03 16 335 8006 -50.5 -59.5 34 9.0 -50.7 100 36 304.4 304.4 283.2 304.6 0.04 17 300 8720 -53.9 -67.9 16 14.0 -54.1 100 36 309.4 309.4 285.1 309.4 0.01 18 265 9511 -56.3 -79.3 4 23.0 -56.5 103 33 317.0 317.0 287.8 317.0 0.00 19 250 9880 -57.3 -79.3 5 22.0 -57.5 105 31 320.9 320.9 289.0 320.9 0.00 20 230 10410 -53.3 -76.3 4 23.0 -53.6 99 28 334.7 334.7 293.0 334.7 0.01 21 200 11310 -51.9 -75.9 4 24.0 -52.3 90 23 350.6 350.6 296.8 350.6 0.01 22 150 13180 -51.5 -74.5 5 23.0 -52.0 95 23 381.3 381.3 302.5 381.4 0.01 23 100 15800 -52.1 -75.1 5 23.0 -52.8 110 13 427.1 427.1 308.5 427.1 0.01 24 70 18110 -52.7 -76.7 4 24.0 -53.7 145 9 471.6 471.6 312.8 471.7 0.02 25 61 18998 -52.3 -75.3 5 23.0 -53.4 165 11 491.5 491.5 314.4 491.6 0.02 26 50 20280 -53.3 -76.3 4 23.0 -54.5 195 13 517.9 517.9 316.2 518.0 0.02 27 48 20543 -54.1 -78.1 4 24.0 -55.2 198 14 522.0 522.1 316.4 522.2 0.02 28 40 21719 -52.5 -75.5 5 23.0 -54.1 210 19 554.0 554.0 318.3 554.2 0.03 29 32 23163 -52.7 -75.7 5 23.0 -54.5 226 25 590.0 590.0 320.2 590.3 0.04 30 30 23580 -52.9 -75.9 5 23.0 -54.8 230 27 600.4 600.4 320.6 600.7 0.04 31 23 25297 -52.3 -76.3 4 24.0 -54.8 240 31 649.6 649.6 322.7 650.0 0.05 32 20 26210 -48.1 -72.1 5 24.0 -52.0 245 33 688.9 689.0 324.1 689.9 0.11 33 18 26903 -49.1 -73.1 4 24.0 -52.9 706.9 706.9 324.7 707.8 0.11 34 15 28095 -50.7 -74.7 4 24.0 -54.5 739.4 739.4 325.7 740.3 0.10 35 14 28547 -48.9 -73.9 4 25.0 -53.6 760.2 760.3 326.3 761.4 0.12 TRP 250 9880 -57.3 -79.3 5 22.0 -57.5 105 31 320.9 320.9 289.0 320.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5133.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 45.12 % Est. max temperature: -0.37 C = 31.34 F Sfc-Lift cond lev (LCL): 1004.87 mb = 109.05 m = 357.78 ft T: -6.50 C 700-500 lapse rate: 4.88 C/km ThetaE index: 2.88 C Layer 875.0- 850.0 mb Conv cond level (CCL): 899.02 mb = 974.35 m = 3196.66 ft Mean mixing ratio: 2.07 g/kg Conv temperature: -0.33 C = 31.41 F Cap Strength: 15.85 C Lifted Index: 16.12 C Risk: None Lifted Index @300 mb: 24.16 C Lifted Index @700 mb: 6.53 C Showalter Index: 15.94 C Risk: None Total Totals Index: 31.20 C Risk: None Vertical Totals Index: 18.60 C Cross Totals Index: 12.60 C K Index: -9.30 Risk: None Sweat Index: 37.00 Risk: None Energy Index: 3.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.38 J/kg Max Up Vert Vel: 5.55 m/s Conv Inhibition (B-): 61522.45 J/kg Cap Strength: 15.48 C Lift Cond Lev (LCL): 929.58 mb = 716.33 m = 2350.12 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 114 at 10 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 1013 46 350 1 0.2 -1.0 | 299 10 9.2 -5.0 1 1000 147 320 15 9.6 -11.5 | 310 24 18.6 -15.5 2 925 754 90 13 -13.0 0.0 | 45 6 -4.0 -4.0 3 850 1404 25 7 -3.0 -6.3 | 330 12 6.0 -10.3 4 700 2861 35 5 -2.9 -4.1 | 323 10 6.1 -8.1 5 500 5280 105 23 -22.2 6.0 | 98 13 -13.2 2.0 6 400 6830 100 35 -34.5 6.1 | 95 26 -25.5 2.1 7 300 8720 100 36 -35.5 6.3 | 95 27 -26.5 2.3 8 250 9880 105 31 -29.9 8.0 | 101 21 -21.0 4.0 9 200 11310 90 23 -23.0 0.0 | 74 15 -14.0 -4.0 10 150 13180 95 23 -22.9 2.0 | 82 14 -13.9 -2.0 11 100 15800 110 13 -12.2 4.4 | 98 3 -3.2 0.5 12 70 18110 145 9 -5.2 7.4 | 229 5 3.8 3.4 13 50 20280 195 13 3.4 12.6 | 235 15 12.3 8.6 14 30 23580 230 27 20.7 17.4 | 246 33 29.7 13.4 15 20 26210 245 33 29.9 13.9 | 256 40 38.9 10.0 Wind Parameters Mean winds (0-6000m): 84.0 at 13.1 knts Storm direction: 114.0 at 9.8 knts Shear (0-3000m) pos: 1.8 neg: 1.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 32.7 deg Storm rel helicity (0-3000m) pos: 127.9 neg: -29.7 tot: 98.2 m^2/s^2 ave: 32.7 10^-3 m/s^2 rel: 0.28 Storm rel vorticity (0-3000m) horiz: 10.6 stream: 3.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 44.95 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 ------------------------------------------------------------------------------- 500 354 13 329 20| 13.5 0.0 13.5|108.0 0.0 108.0 215.9 0.61| 36.4 22.2 1000 37 13 355 14| 5.2 0.0 5.2|124.0 -10.3 113.7 113.7 0.44| 26.6 11.7 1500 41 11 353 13| 3.4 2.1 5.5|124.0 -26.2 97.8 65.2 0.29| 19.9 5.9 2000 38 10 347 12| 2.5 1.6 4.1|124.0 -27.4 96.6 48.3 0.28| 15.2 4.3 2500 36 9 343 12| 1.9 1.3 3.2|124.0 -28.8 95.2 38.1 0.27| 12.3 3.3 3000 36 9 340 12| 1.8 1.0 2.9|127.9 -29.7 98.2 32.7 0.28| 10.6 3.0 4000 45 9 345 11| 2.5 0.8 3.3|151.5 -29.7 121.8 30.5 0.37| 9.1 3.4 5000 68 11 6 8| 2.9 0.6 3.5|182.9 -29.7 153.2 30.6 0.46| 8.5 3.9 6000 84 13 37 7| 2.7 0.2 2.9|192.5 -31.7 160.8 26.8 0.44| 7.8 3.4 Wrote GIF file: /home/apache/climate/data/raob//U1946/skewt/U1946.skewt.20251007.12.gif