UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011500.upa.cvt Date: 0000Z 15 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 15 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 1012 107 -7.3 -9.5 84 2.2 -7.9 110 3 264.9 265.2 264.6 269.9 1.83 1 1000 200 -7.3 -9.8 82 2.5 -8.0 125 3 265.9 266.1 265.1 270.8 1.81 2 978 375 -5.9 -8.3 83 2.4 -6.6 124 4 269.0 269.3 267.8 274.6 2.09 3 925 810 -9.9 -12.5 81 2.6 -10.6 120 5 269.2 269.4 267.1 273.6 1.58 4 868 1298 -12.7 -14.4 87 1.7 -13.1 135 7 271.2 271.4 268.2 275.2 1.44 5 865 1325 -9.7 -11.4 87 1.7 -10.2 136 7 274.6 274.9 271.0 279.8 1.85 6 860 1369 -8.5 -9.8 90 1.3 -8.9 137 7 276.3 276.7 272.5 282.2 2.11 7 854 1424 -8.9 -10.1 91 1.2 -9.2 139 7 276.5 276.8 272.5 282.3 2.07 8 850 1460 -8.9 -10.5 88 1.6 -9.4 140 7 276.8 277.2 272.6 282.5 2.02 9 773 2195 -9.3 -18.3 48 9.0 -11.5 174 7 284.0 284.2 275.3 287.5 1.17 10 700 2956 -13.3 -27.3 30 14.0 -15.9 210 7 287.8 287.9 276.5 289.6 0.58 11 686 3109 -13.5 -31.5 20 18.0 -16.4 210 8 289.2 289.3 276.9 290.5 0.40 12 677 3210 -13.9 -33.9 17 20.0 -17.0 210 9 289.8 289.9 277.1 290.9 0.32 13 600 4111 -21.9 -29.9 48 8.0 -23.1 208 15 290.8 290.9 277.9 292.5 0.53 14 554 4694 -24.7 -34.7 39 10.0 -25.9 207 20 294.2 294.2 279.3 295.4 0.36 15 500 5430 -30.7 -35.7 61 5.0 -31.2 205 25 295.6 295.7 279.9 296.8 0.36 16 474 5808 -33.7 -38.4 63 4.7 -34.1 207 28 296.4 296.5 280.2 297.4 0.29 17 400 6980 -42.7 -47.7 58 5.0 -42.9 215 36 299.5 299.5 281.3 299.9 0.13 18 336 8133 -52.1 -58.1 48 6.0 -52.2 212 33 302.0 302.0 282.3 302.1 0.04 19 300 8860 -56.1 -63.1 41 7.0 -56.2 210 31 306.3 306.3 284.0 306.4 0.03 20 280 9294 -58.3 -65.3 40 7.0 -58.4 217 26 309.2 309.2 285.1 309.3 0.02 21 257 9828 -60.1 -67.1 39 7.0 -60.2 225 19 314.2 314.2 286.8 314.3 0.02 22 250 10000 -59.9 -66.9 40 7.0 -60.0 225 17 317.0 317.0 287.8 317.1 0.02 23 234 10412 -60.5 -68.5 34 8.0 -60.6 232 15 322.2 322.2 289.4 322.2 0.02 24 200 11390 -59.3 -67.3 35 8.0 -59.4 250 11 338.9 338.9 294.1 338.9 0.02 25 155 12993 -57.7 -67.7 27 10.0 -57.9 290 13 367.2 367.2 300.1 367.3 0.03 26 150 13200 -58.5 -68.5 27 10.0 -58.7 295 13 369.3 369.3 300.5 369.4 0.03 27 100 15730 -61.7 -74.7 16 13.0 -61.9 310 25 408.5 408.5 306.3 408.6 0.02 28 70 17900 -67.9 -81.9 12 14.0 -68.0 305 31 439.1 439.1 309.8 439.2 0.01 29 66 18252 -68.9 -82.9 12 14.0 -69.0 305 34 444.4 444.4 310.3 444.4 0.01 30 50 19900 -71.1 -85.1 11 14.0 -71.2 305 50 475.9 475.9 313.1 476.0 0.01 31 30 22875 -77.5 -91.5 9 14.0 -77.6 533.4 533.4 317.1 533.4 0.00 TRP 257 9828 -60.1 -67.1 39 7.0 -60.2 225 19 314.2 314.2 286.8 314.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5230.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 54.27 % Est. max temperature: 3.42 C = 38.16 F Sfc-Lift cond lev (LCL): 977.07 mb = 382.16 m = 1253.79 ft T: -5.97 C 700-500 lapse rate: 7.03 C/km ThetaE index: 1.09 C Layer 925.0- 868.0 mb Conv cond level (CCL): 900.29 mb = 1017.79 m = 3339.15 ft Mean mixing ratio: 1.82 g/kg Conv temperature: -2.18 C = 28.08 F Cap Strength: 18.05 C Lifted Index: 18.50 C Risk: None Lifted Index @300 mb: 23.39 C Lifted Index @700 mb: 14.51 C Showalter Index: 11.23 C Risk: None Total Totals Index: 42.00 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 20.20 C K Index: -2.70 Risk: None Sweat Index: 39.00 Risk: None Energy Index: 3.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.12 J/kg Max Up Vert Vel: 5.68 m/s Conv Inhibition (B-): 41592.88 J/kg Cap Strength: 18.49 C Lift Cond Lev (LCL): 924.42 mb = 814.85 m = 2673.36 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 228 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 1012 107 110 3 -2.8 1.0 | 61 11 -9.8 -5.4 1 1000 200 125 3 -2.5 1.7 | 64 11 -9.5 -4.7 2 925 810 120 5 -4.3 2.5 | 71 12 -11.4 -3.9 3 850 1460 140 7 -4.5 5.4 | 85 12 -11.5 -1.1 4 700 2956 210 7 3.5 6.1 | 84 4 -3.5 -0.4 5 500 5430 205 25 10.6 22.7 | 192 17 3.5 16.2 6 400 6980 215 36 20.6 29.5 | 211 27 13.6 23.1 7 300 8860 210 31 15.5 26.8 | 203 22 8.5 20.4 8 257 9828 225 19 13.4 13.4 | 222 10 6.4 7.0 9 250 10000 225 17 12.0 12.0 | 222 8 5.0 5.6 10 200 11390 250 11 10.3 3.8 | 309 4 3.3 -2.7 11 150 13200 295 13 11.8 -5.5 | 338 13 4.8 -11.9 12 100 15730 310 25 19.2 -16.1 | 332 26 12.1 -22.5 13 70 17900 305 31 25.4 -17.8 | 323 30 18.4 -24.2 14 50 19900 305 50 41.0 -28.7 | 316 49 33.9 -35.1 Wind Parameters Mean winds (0-6000m): 197.6 at 12.7 knts Storm direction: 227.6 at 9.5 knts Shear (0-3000m) pos: 1.6 neg: 0.0 tot: 1.6 10-3/s Storm rel Dir Shear (0-3000m): 40.3 deg Storm rel helicity (0-3000m) pos: 19.7 neg: -0.8 tot: 18.9 m^2/s^2 ave: 6.3 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 2.6 stream: 1.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.81 Bulk Shear: 19.96 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 ------------------------------------------------------------------------------- 500 122 4 66 11| 1.6 0.0 1.6| 4.2 0.0 4.2 8.4 0.69| 2.2 1.5 1000 123 4 69 11| 1.7 0.0 1.7| 9.5 0.0 9.5 9.5 0.78| 2.1 1.6 1500 129 5 74 11| 1.7 0.0 1.7| 15.8 0.0 15.8 10.6 0.80| 2.2 1.8 2000 138 6 78 11| 1.6 0.0 1.6| 18.6 0.0 18.6 9.3 0.67| 2.4 1.6 2500 148 6 82 10| 1.5 0.0 1.5| 19.0 -0.1 18.9 7.5 0.52| 2.5 1.3 3000 158 6 85 9| 1.6 0.0 1.6| 19.7 -0.8 18.9 6.3 0.44| 2.6 1.1 4000 180 7 98 7| 1.2 0.9 2.1| 25.3 -0.8 24.5 6.1 0.53| 2.9 1.5 5000 192 10 123 6| 0.9 1.5 2.4| 30.0 -0.8 29.2 5.8 0.46| 3.1 1.4 6000 198 13 151 7| 1.4 1.3 2.7| 45.6 -0.8 44.8 7.5 0.45| 3.2 1.4 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260115.00.gif