UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U2271... Searching the city database file for: U2271 ... Date:1200Z 5 DEC 25 Station: U2271 WMO ident: 22271 Latitude: 67.88 Longitude: 44.13 ------------------------------------------------------------------------------- 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 1022 8 -6.7 -7.9 91 1.2 -7.1 70 9 264.8 265.1 264.8 270.3 2.06 1 1010 100 -4.9 -8.0 79 3.1 -5.8 89 14 267.5 267.8 266.7 273.1 2.07 2 1000 178 -5.1 -7.6 83 2.5 -5.9 105 19 268.0 268.4 267.3 273.9 2.15 3 977 361 -4.3 -8.1 75 3.8 -5.5 104 17 270.6 271.0 269.0 276.5 2.12 4 941 656 -5.3 -11.3 63 6.0 -7.0 101 14 272.5 272.8 269.5 277.3 1.71 5 925 790 -5.7 -12.7 58 7.0 -7.7 100 13 273.5 273.7 269.8 277.9 1.55 6 916 867 -6.1 -13.1 58 7.0 -8.0 95 13 273.8 274.1 270.0 278.1 1.52 7 850 1446 -10.9 -17.9 56 7.0 -12.5 55 13 274.7 274.9 269.8 277.9 1.10 8 819 1731 -13.1 -19.1 61 6.0 -14.4 50 15 275.3 275.5 270.1 278.3 1.03 9 733 2568 -18.1 -33.1 26 15.0 -20.0 36 19 278.7 278.8 271.0 279.7 0.32 10 700 2911 -21.1 -37.1 22 16.0 -22.8 30 21 279.1 279.2 271.0 279.8 0.23 11 650 3452 -25.5 -41.5 21 16.0 -26.8 11 27 280.1 280.1 271.5 280.6 0.15 12 628 3703 -22.5 -39.5 20 17.0 -24.2 3 29 286.3 286.4 275.1 287.0 0.20 13 502 5312 -32.1 -52.1 12 20.0 -33.1 306 46 293.6 293.6 278.5 293.8 0.06 14 500 5340 -32.3 -52.3 12 20.0 -33.3 305 46 293.7 293.7 278.6 293.9 0.06 15 400 6870 -45.5 -59.5 19 14.0 -45.8 300 54 295.9 295.9 279.6 296.0 0.03 16 310 8515 -57.7 -68.2 25 10.5 -57.8 290 60 301.1 301.1 281.8 301.2 0.01 17 300 8720 -59.3 -69.3 26 10.0 -59.4 295 58 301.8 301.8 282.1 301.8 0.01 18 275 9266 -61.3 -71.3 25 10.0 -61.4 300 54 306.5 306.5 284.0 306.5 0.01 19 250 9860 -61.3 -70.3 29 9.0 -61.4 295 52 314.9 314.9 287.1 315.0 0.01 20 231 10347 -62.1 -71.1 29 9.0 -62.1 297 48 320.9 320.9 289.0 321.0 0.01 21 200 11240 -58.7 -67.7 30 9.0 -58.8 300 42 339.8 339.8 294.3 339.9 0.02 22 169 12300 -57.9 -67.9 27 10.0 -58.0 300 38 357.9 357.9 298.3 358.0 0.02 23 150 13050 -58.7 -68.7 26 10.0 -58.9 300 36 368.9 369.0 300.4 369.1 0.02 24 100 15570 -63.9 -74.9 21 11.0 -64.0 290 40 404.3 404.3 305.8 404.3 0.01 25 70 17720 -69.7 -80.7 19 11.0 -69.8 295 35 435.3 435.3 309.4 435.3 0.01 26 50 19700 -76.3 -88.3 13 12.0 -76.4 290 40 463.7 463.7 312.1 463.7 0.00 27 43 20568 -77.1 -89.1 13 12.0 -77.1 482.2 482.2 313.6 482.2 0.00 TRP 275 9266 -61.3 -71.3 25 10.0 -61.4 300 54 306.5 306.5 284.0 306.5 0.01 WND 310 8515 -57.7 -68.2 25 10.5 -57.8 290 60 301.1 301.1 281.8 301.2 0.01 Sounding variables and indices 1000-500 mb thick: 5162.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 36.42 % Est. max temperature: 3.00 C = 37.39 F Sfc-Lift cond lev (LCL): 1002.52 mb = 158.26 m = 519.22 ft T: -5.05 C 700-500 lapse rate: 4.61 C/km ThetaE index: 0.23 C Layer 850.0- 819.0 mb Conv cond level (CCL): 848.30 mb = 1461.29 m = 4794.21 ft Mean mixing ratio: 1.94 g/kg Conv temperature: 3.32 C = 37.98 F Cap Strength: 14.93 C Lifted Index: 14.99 C Risk: None Lifted Index @300 mb: 18.43 C Lifted Index @700 mb: 4.84 C Showalter Index: 13.27 C Risk: None Total Totals Index: 35.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 14.40 C K Index: -12.50 Risk: None Sweat Index: 72.00 Risk: None Energy Index: 3.33 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.90 J/kg Max Up Vert Vel: 7.60 m/s Conv Inhibition (B-): 32677.07 J/kg Cap Strength: 14.72 C Lift Cond Lev (LCL): 907.12 mb = 941.96 m = 3090.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 14 at 20 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 1022 8 70 9 -8.5 -3.1 | 167 17 -3.8 16.4 1 1000 178 105 19 -18.4 4.9 | 151 28 -13.6 24.4 2 925 790 100 13 -12.8 2.3 | 160 23 -8.1 21.8 3 850 1446 55 13 -10.6 -7.5 | 154 13 -5.9 12.1 4 700 2911 30 21 -10.5 -18.2 | 103 6 -5.8 1.3 5 500 5340 305 46 37.7 -26.4 | 279 43 42.4 -6.9 6 400 6870 300 54 46.8 -27.0 | 278 52 51.5 -7.5 7 310 8515 290 60 56.4 -20.5 | 271 61 61.1 -1.0 8 300 8720 295 58 52.6 -24.5 | 275 57 57.3 -5.0 9 275 9266 300 54 46.8 -27.0 | 278 52 51.5 -7.5 10 250 9860 295 52 47.1 -22.0 | 273 52 51.8 -2.5 11 200 11240 300 42 36.4 -21.0 | 272 41 41.1 -1.5 12 150 13050 300 36 31.2 -18.0 | 268 36 35.9 1.5 13 100 15570 290 40 37.6 -13.7 | 262 43 42.3 5.8 14 70 17720 295 35 31.7 -14.8 | 263 37 36.4 4.7 15 50 19700 290 40 37.6 -13.7 | 262 43 42.3 5.8 Wind Parameters Mean winds (0-6000m): 343.6 at 26.8 knts Storm direction: 13.6 at 20.1 knts Shear (0-3000m) pos: 1.6 neg: 4.1 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): -78.8 deg Storm rel helicity (0-3000m) pos: 24.2 neg: -62.2 tot: -38.0 m^2/s^2 ave: -12.7 10^-3 m/s^2 rel: -0.32 Storm rel vorticity (0-3000m) horiz: 7.1 stream: -2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.16 Bulk Shear: 182.42 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 ------------------------------------------------------------------------------- 500 101 16 154 25| 9.7 0.0 9.7| 12.3 -29.0 -16.8 -33.5 -0.24| 16.3 -4.0 1000 100 15 155 24| 4.9 2.6 7.5| 24.0 -36.4 -12.4 -12.4 -0.15| 11.3 -1.7 1500 91 14 154 22| 3.2 4.2 7.4| 24.2 -41.4 -17.1 -11.4 -0.15| 10.0 -1.5 2000 80 14 151 19| 2.4 3.9 6.3| 24.2 -49.0 -24.8 -12.4 -0.21| 8.4 -1.7 2500 70 15 147 17| 1.9 3.9 5.8| 24.2 -55.5 -31.3 -12.5 -0.26| 7.5 -1.9 3000 61 16 142 15| 1.6 4.1 5.7| 24.2 -62.2 -38.0 -12.7 -0.32| 7.1 -2.3 4000 40 19 126 9| 1.2 5.2 6.4| 24.2 -92.0 -67.8 -17.0 -0.46| 7.8 -3.6 5000 11 23 355 3| 1.0 5.8 6.8| 24.2-194.2-170.0 -34.0 -0.50| 8.8 -4.4 6000 344 27 297 14| 0.8 5.5 6.3| 24.2-264.0-239.7 -40.0 -0.50| 8.5 -4.2 Wrote GIF file: /home/apache/climate/data/raob//U2271/skewt/U2271.skewt.20251205.12.gif