UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010900.upa.cvt Date: 0000Z 9 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 9 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 1010 110 -17.1 -19.4 82 2.3 -17.4 250 1 255.3 255.4 255.1 257.5 0.81 1 1000 185 -16.5 -17.8 90 1.3 -16.7 285 3 256.6 256.8 256.4 259.2 0.94 2 979 345 -14.5 -15.3 94 0.8 -14.7 315 9 260.2 260.4 259.8 263.4 1.19 3 978 353 -14.1 -14.9 94 0.8 -14.3 316 9 260.7 260.9 260.2 264.0 1.23 4 973 392 -12.5 -13.7 91 1.2 -12.8 324 11 262.7 262.9 262.0 266.4 1.36 5 925 778 -13.1 -19.1 61 6.0 -14.3 35 25 265.9 266.1 263.6 268.5 0.91 6 891 1063 -13.5 -21.5 51 8.0 -15.0 33 23 268.4 268.5 265.0 270.6 0.77 7 882 1140 -14.1 -23.1 46 9.0 -15.6 32 23 268.5 268.6 265.0 270.5 0.67 8 850 1420 -15.7 -24.7 46 9.0 -17.1 30 21 269.7 269.8 265.7 271.5 0.61 9 748 2370 -22.7 -32.7 40 10.0 -23.8 40 26 272.1 272.2 266.8 273.1 0.33 10 700 2855 -24.1 -34.1 39 10.0 -25.1 45 29 275.8 275.8 269.1 276.7 0.30 11 644 3460 -26.9 -38.9 31 12.0 -27.9 28 29 279.3 279.3 271.1 279.9 0.20 12 512 5076 -37.9 -52.9 19 15.0 -38.5 340 29 284.9 284.9 274.0 285.1 0.06 13 500 5240 -37.1 -52.1 20 15.0 -37.7 335 29 287.8 287.8 275.6 288.0 0.06 14 469 5679 -39.9 -55.9 17 16.0 -40.4 321 39 289.6 289.7 276.6 289.8 0.04 15 447 6006 -39.9 -56.9 15 17.0 -40.5 310 47 293.7 293.7 278.5 293.8 0.04 16 400 6760 -42.1 -61.1 11 19.0 -42.6 285 64 300.3 300.3 281.5 300.4 0.03 17 384 7035 -43.3 -62.3 11 19.0 -43.8 281 71 302.2 302.2 282.3 302.3 0.02 18 300 8650 -55.5 -69.5 16 14.0 -55.6 260 110 307.1 307.1 284.2 307.2 0.01 19 294 8778 -56.5 -70.2 16 13.7 -56.7 260 112 307.4 307.4 284.4 307.5 0.01 20 282 9041 -58.7 -71.7 17 13.0 -58.8 261 106 308.0 308.0 284.6 308.0 0.01 21 250 9790 -61.9 -73.9 19 12.0 -62.0 265 87 314.0 314.0 286.8 314.1 0.01 22 241 10017 -63.7 -75.7 18 12.0 -63.8 270 73 314.6 314.6 287.0 314.7 0.01 23 217 10665 -63.7 -75.7 18 12.0 -63.8 256 60 324.2 324.2 290.0 324.3 0.01 24 200 11170 -62.5 -74.5 18 12.0 -62.6 245 50 333.8 333.8 292.7 333.8 0.01 25 170 12172 -62.1 -74.1 19 12.0 -62.2 251 47 350.3 350.3 296.7 350.4 0.01 26 150 12940 -64.7 -76.7 18 12.0 -64.8 255 44 358.6 358.6 298.4 358.7 0.01 27 126 14002 -64.7 -76.7 18 12.0 -64.8 259 40 377.0 377.0 301.8 377.0 0.01 28 114 14605 -69.1 -81.1 16 12.0 -69.2 262 38 379.7 379.7 302.2 379.7 0.00 29 100 15390 -67.3 -80.3 14 13.0 -67.4 265 35 397.7 397.7 304.9 397.7 0.01 30 96 15637 -66.5 -79.5 14 13.0 -66.6 266 35 403.9 403.9 305.7 404.0 0.01 31 70 17530 -70.9 -83.9 13 13.0 -71.0 270 35 432.7 432.7 309.1 432.7 0.00 32 50 19630 -73.1 -86.1 12 13.0 -73.2 265 36 471.2 471.2 312.7 471.3 0.00 33 30 22420 -78.1 -91.1 10 13.0 -78.2 265 42 531.7 531.7 317.1 531.7 0.00 34 23 23952 -74.5 -88.5 10 14.0 -74.7 584.3 584.3 319.9 584.3 0.01 TRP 241 10017 -63.7 -75.7 18 12.0 -63.8 270 73 314.6 314.6 287.0 314.7 0.01 WND 294 8778 -56.5 -70.2 16 13.7 -56.7 260 112 307.4 307.4 284.4 307.5 0.01 Sounding variables and indices 1000-500 mb thick: 5055.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.10 inches Sfc-500 mean rel hum: 40.92 % Est. max temperature: -3.06 C = 26.50 F Sfc-Lift cond lev (LCL): 972.74 mb = 394.06 m = 1292.84 ft T: -12.50 C 700-500 lapse rate: 5.45 C/km ThetaE index: 0.10 C Layer 882.0- 850.0 mb Conv cond level (CCL): 1000.00 mb = 185.00 m = 606.95 ft Mean mixing ratio: 1.07 g/kg Conv temperature: -15.62 C = 3.89 F Cap Strength: 16.22 C Lifted Index: 18.49 C Risk: None Lifted Index @300 mb: 29.56 C Lifted Index @700 mb: 10.19 C Showalter Index: 13.59 C Risk: None Total Totals Index: 33.80 C Risk: None Vertical Totals Index: 21.40 C Cross Totals Index: 12.40 C K Index: -13.30 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 3.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 44.98 J/kg Max Up Vert Vel: 9.48 m/s Conv Inhibition (B-): 42626.32 J/kg Cap Strength: 18.03 C Lift Cond Lev (LCL): 912.45 mb = 881.99 m = 2893.64 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 39 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 1010 110 250 1 0.9 0.3 | 220 21 13.7 16.2 1 1000 185 285 3 2.9 -0.8 | 226 22 15.7 15.1 2 925 778 35 25 -14.3 -20.5 | 19 5 -1.5 -4.6 3 850 1420 30 21 -10.5 -18.2 | 315 3 2.3 -2.3 4 700 2855 45 29 -20.5 -20.5 | 59 9 -7.7 -4.6 5 500 5240 335 29 12.3 -26.3 | 293 27 25.1 -10.4 6 400 6760 285 64 61.8 -16.6 | 271 75 74.6 -0.7 7 300 8650 260 110 108.3 19.1 | 254 126 121.1 35.0 8 294 8778 260 112 110.3 19.4 | 254 128 123.1 35.3 9 250 9790 265 87 86.7 7.6 | 257 102 99.5 23.4 10 241 10017 270 73 73.0 -0.0 | 260 87 85.8 15.9 11 200 11170 245 50 45.3 21.1 | 238 69 58.1 37.0 12 150 12940 255 44 42.5 11.4 | 244 62 55.3 27.3 13 100 15390 265 35 34.9 3.1 | 248 51 47.7 18.9 14 70 17530 270 35 35.0 -0.0 | 252 50 47.8 15.9 15 50 19630 265 36 35.9 3.1 | 249 52 48.7 19.0 16 30 22420 265 42 41.8 3.7 | 250 58 54.6 19.5 Wind Parameters Mean winds (0-6000m): 8.9 at 27.2 knts Storm direction: 38.9 at 20.4 knts Shear (0-3000m) pos: 5.0 neg: 0.4 tot: 5.5 10-3/s Storm rel Dir Shear (0-3000m): 174.0 deg Storm rel helicity (0-3000m) pos: 131.6 neg: -11.8 tot: 119.8 m^2/s^2 ave: 39.9 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 5.5 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 1.03 Bulk Shear: 43.72 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 ------------------------------------------------------------------------------- 500 353 10 245 15| 19.8 0.0 19.8|104.0 0.0 104.0 208.1 0.85| 25.1 21.4 1000 31 16 248 5| 12.2 0.0 12.2|122.6 -1.9 120.7 120.7 0.75| 20.7 15.6 1500 31 18 265 3| 8.1 0.3 8.4|123.6 -3.6 120.0 80.0 0.68| 14.9 10.1 2000 32 19 285 3| 6.8 0.2 7.1|126.5 -3.6 122.9 61.4 0.69| 12.1 8.4 2500 34 21 324 2| 6.1 0.2 6.2|130.0 -3.6 126.4 50.5 0.69| 10.4 7.2 3000 36 22 10 2| 5.0 0.4 5.5|131.6 -11.8 119.8 39.9 0.57| 9.6 5.5 4000 32 24 360 4| 3.8 2.2 6.0|131.6 -49.6 82.0 20.5 0.27| 9.1 2.5 5000 24 25 339 7| 3.0 3.1 6.1|131.6-107.9 23.7 4.7 0.10| 8.8 0.9 6000 9 27 322 14| 2.5 5.1 7.6|131.6-199.6 -68.0 -11.3 0.00| 9.9 0.0 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260109.00.gif