UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011200.upa.cvt Date: 0000Z 12 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 12 JAN 26 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 109 -6.7 -8.3 88 1.6 -7.2 90 7 266.0 266.3 265.6 271.5 2.03 1 1000 156 -6.9 -8.7 87 1.8 -7.4 120 7 266.2 266.6 265.7 271.6 1.98 2 949 561 -9.7 -11.3 88 1.6 -10.1 103 20 267.4 267.7 266.1 272.1 1.70 3 927 742 -9.1 -10.2 92 1.1 -9.4 96 26 269.8 270.1 268.0 275.0 1.89 4 925 759 -9.3 -10.4 92 1.1 -9.6 95 27 269.8 270.1 268.0 274.9 1.87 5 850 1407 -13.9 -15.8 86 1.9 -14.3 85 31 271.6 271.8 268.2 275.3 1.31 6 826 1624 -15.5 -17.4 85 1.9 -15.9 87 31 272.1 272.3 268.3 275.5 1.18 7 779 2069 -13.1 -15.1 85 2.0 -13.6 92 31 279.3 279.6 273.3 283.7 1.52 8 764 2217 -14.5 -17.4 79 2.9 -15.2 93 31 279.3 279.6 272.9 283.1 1.28 9 700 2879 -15.5 -18.5 78 3.0 -16.2 100 31 285.3 285.5 276.2 289.1 1.27 10 661 3312 -16.3 -18.9 80 2.6 -16.9 99 31 289.1 289.4 278.2 293.1 1.30 11 500 5360 -29.7 -32.5 77 2.8 -30.0 95 33 296.8 296.9 280.7 298.5 0.50 12 418 6610 -38.3 -40.6 79 2.3 -38.5 99 39 301.4 301.4 282.3 302.3 0.26 13 400 6910 -41.1 -43.5 78 2.4 -41.2 100 40 301.6 301.6 282.3 302.3 0.20 14 300 8800 -56.1 -58.8 72 2.7 -56.2 100 42 306.3 306.3 284.0 306.4 0.05 15 283 9169 -59.5 -62.4 69 2.9 -59.5 98 43 306.5 306.5 284.1 306.7 0.03 16 250 9940 -63.5 -66.4 68 2.9 -63.5 95 46 311.7 311.7 285.9 311.7 0.02 17 245 10063 -64.1 -67.1 67 3.0 -64.1 95 46 312.6 312.6 286.2 312.6 0.02 18 242 10138 -64.3 -67.3 66 3.0 -64.3 95 44 313.4 313.4 286.5 313.4 0.02 19 224 10608 -63.1 -66.0 68 2.9 -63.1 95 34 322.2 322.2 289.5 322.3 0.02 20 200 11300 -63.3 -66.3 67 3.0 -63.3 95 19 332.5 332.5 292.4 332.6 0.03 21 150 13080 -63.1 -66.6 62 3.5 -63.1 145 7 361.4 361.4 299.0 361.5 0.03 22 145 13288 -62.7 -66.2 63 3.5 -62.7 153 7 365.6 365.6 299.8 365.8 0.04 23 114 14741 -68.9 -72.8 57 3.9 -68.9 206 10 380.1 380.1 302.3 380.2 0.02 24 100 15520 -69.9 -73.9 56 4.0 -69.9 235 11 392.7 392.7 304.2 392.8 0.02 25 70 17630 -73.1 -77.5 51 4.4 -73.2 235 15 428.0 428.0 308.6 428.1 0.01 26 55 19036 -75.1 -79.4 51 4.3 -75.2 454.0 454.0 311.3 454.0 0.01 TRP 245 10063 -64.1 -67.1 67 3.0 -64.1 95 46 312.6 312.6 286.2 312.6 0.02 WND Sounding variables and indices 1000-500 mb thick: 5204.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.29 inches Sfc-500 mean rel hum: 81.79 % Est. max temperature: -1.25 C = 29.76 F Sfc-Lift cond lev (LCL): 980.60 mb = 307.74 m = 1009.63 ft T: -7.95 C 700-500 lapse rate: 5.72 C/km ThetaE index: 0.62 C Layer 764.0- 700.0 mb Conv cond level (CCL): 894.82 mb = 1013.17 m = 3324.00 ft Mean mixing ratio: 1.83 g/kg Conv temperature: -2.18 C = 28.07 F Cap Strength: 15.50 C Lifted Index: 19.85 C Risk: None Lifted Index @300 mb: 23.68 C Lifted Index @700 mb: 12.66 C Showalter Index: 17.95 C Risk: None Total Totals Index: 29.70 C Risk: None Vertical Totals Index: 15.80 C Cross Totals Index: 13.90 C K Index: -3.00 Risk: None Sweat Index: 95.00 Risk: None Energy Index: 4.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.79 J/kg Max Up Vert Vel: 6.13 m/s Conv Inhibition (B-): 28099.77 J/kg Cap Strength: 19.79 C Lift Cond Lev (LCL): 931.85 mb = 702.11 m = 2303.48 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 125 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 1006 109 90 7 -7.0 0.0 | 319 17 11.4 -13.1 1 1000 156 120 7 -6.1 3.5 | 308 16 12.4 -9.6 2 925 759 95 27 -26.9 2.4 | 38 14 -8.5 -10.7 3 850 1407 85 31 -30.9 -2.7 | 38 20 -12.5 -15.8 4 700 2879 100 31 -30.5 5.4 | 58 14 -12.1 -7.7 5 500 5360 95 33 -32.9 2.9 | 55 18 -14.5 -10.2 6 400 6910 100 40 -39.4 6.9 | 74 22 -21.0 -6.1 7 300 8800 100 42 -41.4 7.3 | 76 24 -22.9 -5.8 8 250 9940 95 46 -45.8 4.0 | 72 29 -27.4 -9.1 9 245 10063 95 46 -45.8 4.0 | 72 29 -27.4 -9.1 10 200 11300 95 19 -18.9 1.7 | 3 11 -0.5 -11.4 11 150 13080 145 7 -4.0 5.7 | 297 16 14.4 -7.4 12 100 15520 235 11 9.0 6.3 | 284 28 27.4 -6.8 13 70 17630 235 15 12.3 8.6 | 278 31 30.7 -4.5 Wind Parameters Mean winds (0-6000m): 95.4 at 30.1 knts Storm direction: 125.4 at 22.6 knts Shear (0-3000m) pos: 3.1 neg: 1.9 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 98.4 deg Storm rel helicity (0-3000m) pos: 65.2 neg: -11.0 tot: 54.2 m^2/s^2 ave: 18.1 10^-3 m/s^2 rel: 0.47 Storm rel vorticity (0-3000m) horiz: 6.6 stream: 3.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.51 Bulk Shear: 37.00 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 ------------------------------------------------------------------------------- 500 106 14 331 11| 15.7 0.0 15.7| 28.1 -9.7 18.3 36.7 0.49| 18.8 9.3 1000 96 20 10 11| 7.8 4.5 12.4| 39.3 -9.7 29.6 29.6 0.47| 14.1 6.6 1500 92 24 23 13| 5.2 3.8 9.0| 43.2 -10.8 32.5 21.7 0.42| 10.8 4.6 2000 91 26 30 14| 4.2 2.8 7.0| 52.5 -10.8 41.7 20.9 0.45| 8.8 3.9 2500 92 27 34 15| 3.6 2.3 5.9| 60.9 -10.8 50.2 20.1 0.47| 7.6 3.5 3000 93 27 38 15| 3.1 1.9 5.0| 65.2 -11.0 54.2 18.1 0.47| 6.6 3.1 4000 95 28 43 15| 2.3 1.6 3.9| 65.2 -12.2 53.0 13.3 0.45| 5.2 2.3 5000 95 29 46 15| 1.9 1.4 3.3| 65.2 -13.6 51.5 10.3 0.42| 4.3 1.8 6000 95 30 48 15| 1.9 1.2 3.0| 80.7 -14.0 66.8 11.1 0.46| 3.9 1.8 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260112.00.gif