UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026010912.upa.cvt Date: 1200Z 9 JAN 26 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 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 1009 107 -18.5 -21.6 77 3.1 -19.0 270 3 254.0 254.1 253.7 255.8 0.67 1 1002 159 -17.7 -20.4 79 2.7 -18.1 293 5 255.3 255.4 254.9 257.3 0.75 2 1000 174 -16.5 -19.3 79 2.8 -17.0 300 5 256.6 256.8 256.2 258.9 0.83 3 997 197 -15.1 -18.0 78 2.9 -15.6 304 6 258.3 258.4 257.7 260.8 0.93 4 986 281 -14.3 -17.3 78 3.0 -14.9 319 9 259.9 260.1 259.2 262.6 1.00 5 980 327 -10.1 -13.5 76 3.4 -10.9 327 11 264.6 264.8 263.4 268.3 1.37 6 970 407 -7.9 -11.5 75 3.6 -8.9 341 14 267.6 267.8 266.0 272.0 1.63 7 925 775 -8.9 -11.5 81 2.6 -9.6 45 27 270.2 270.5 268.0 274.9 1.71 8 922 800 -8.9 -11.6 81 2.7 -9.6 45 27 270.5 270.7 268.1 275.2 1.70 9 850 1423 -13.5 -16.0 81 2.5 -14.0 40 27 272.0 272.2 268.4 275.6 1.29 10 795 1929 -16.5 -19.5 78 3.0 -17.1 40 30 274.1 274.2 269.3 277.0 1.03 11 725 2616 -21.3 -27.3 58 6.0 -22.1 40 34 276.1 276.2 269.8 277.8 0.56 12 700 2874 -22.5 -29.5 53 7.0 -23.4 40 35 277.6 277.6 270.5 279.0 0.47 13 661 3293 -23.3 -34.3 36 11.0 -24.5 26 32 281.3 281.3 272.5 282.3 0.32 14 623 3724 -25.9 -40.9 23 15.0 -27.2 12 29 283.1 283.1 273.2 283.6 0.17 15 528 4904 -32.5 -54.5 9 22.0 -33.5 333 20 288.9 288.9 276.2 289.0 0.04 16 500 5290 -29.9 -54.9 7 25.0 -31.3 320 17 296.6 296.6 279.9 296.7 0.04 17 487 5478 -28.1 -54.1 6 26.0 -29.7 310 21 301.0 301.0 281.8 301.2 0.05 18 486 5493 -27.9 -53.9 7 26.0 -29.6 309 21 301.5 301.5 282.0 301.7 0.05 19 400 6860 -38.3 -47.3 38 9.0 -38.8 235 50 305.2 305.2 283.7 305.7 0.13 20 354 7692 -44.9 -50.9 51 6.0 -45.2 237 53 307.2 307.2 284.4 307.6 0.10 21 350 7768 -45.5 -51.5 51 6.0 -45.7 237 54 307.4 307.4 284.5 307.7 0.09 22 300 8780 -54.3 -60.3 48 6.0 -54.4 240 58 308.8 308.8 284.9 309.0 0.04 23 276 9307 -58.9 -64.9 46 6.0 -59.0 236 59 309.6 309.6 285.2 309.7 0.02 24 268 9491 -60.2 -66.2 45 6.0 -60.3 235 60 310.3 310.3 285.5 310.4 0.02 25 250 9920 -63.3 -69.3 44 6.0 -63.3 235 58 312.0 312.0 286.1 312.0 0.01 26 222 10640 -67.7 -73.7 42 6.0 -67.7 230 48 316.0 316.0 287.4 316.0 0.01 27 208 11032 -65.5 -72.5 37 7.0 -65.5 236 44 325.4 325.4 290.4 325.4 0.01 28 200 11270 -65.5 -72.5 37 7.0 -65.5 240 42 329.0 329.0 291.5 329.1 0.01 29 164 12477 -66.3 -73.3 37 7.0 -66.4 247 39 346.9 346.9 296.0 347.0 0.01 30 150 13020 -65.1 -72.1 37 7.0 -65.2 250 38 357.9 357.9 298.3 358.0 0.02 31 141 13398 -63.7 -71.7 33 8.0 -63.8 252 38 366.8 366.8 300.0 366.9 0.02 32 117 14528 -68.3 -76.3 31 8.0 -68.4 259 36 378.4 378.4 302.0 378.4 0.01 33 100 15470 -67.5 -76.5 27 9.0 -67.6 265 35 397.3 397.3 304.9 397.4 0.01 34 70 17600 -69.7 -79.7 22 10.0 -69.8 265 38 435.3 435.3 309.4 435.3 0.01 35 69 17686 -69.7 -79.7 22 10.0 -69.8 265 38 437.1 437.1 309.6 437.1 0.01 36 53 19241 -74.7 -84.7 20 10.0 -74.7 265 43 459.7 459.7 311.7 459.8 0.01 37 50 19580 -75.3 -85.3 19 10.0 -75.4 265 44 466.0 466.0 312.3 466.1 0.01 38 40 20876 -73.1 -84.1 17 11.0 -73.2 267 50 502.3 502.3 315.1 502.3 0.01 39 30 22540 -77.3 -88.3 16 11.0 -77.4 270 58 533.9 533.9 317.2 533.9 0.01 40 25 23584 -77.9 -88.9 15 11.0 -78.0 560.8 560.8 318.7 560.8 0.01 TRP 222 10640 -67.7 -73.7 42 6.0 -67.7 230 48 316.0 316.0 287.4 316.0 0.01 WND 268 9491 -60.2 -66.2 45 6.0 -60.3 235 60 310.3 310.3 285.5 310.4 0.02 Sounding variables and indices 1000-500 mb thick: 5116.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 49.26 % Est. max temperature: -0.64 C = 30.84 F Sfc-Lift cond lev (LCL): 958.86 mb = 496.18 m = 1627.88 ft T: -8.14 C 700-500 lapse rate: 3.06 C/km ThetaE index: 0.00 C Layer 1009.0--1683439933030020205612275597312.0 mb Conv cond level (CCL): 1002.00 mb = 158.99 m = 521.63 ft Mean mixing ratio: 1.45 g/kg Conv temperature: -12.08 C = 10.26 F Cap Strength: 16.05 C Lifted Index: 22.05 C Risk: None Lifted Index @300 mb: 27.59 C Lifted Index @700 mb: 8.07 C Showalter Index: 17.45 C Risk: None Total Totals Index: 30.30 C Risk: None Vertical Totals Index: 16.40 C Cross Totals Index: 13.90 C K Index: -6.60 Risk: None Sweat Index: 71.00 Risk: None Energy Index: 4.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 63.85 J/kg Max Up Vert Vel: 11.30 m/s Conv Inhibition (B-): 44510.46 J/kg Cap Strength: 20.48 C Lift Cond Lev (LCL): 917.34 mb = 838.91 m = 2752.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 50 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 1009 107 270 3 3.0 -0.0 | 235 22 18.0 12.5 1 1000 174 300 5 4.3 -2.5 | 243 22 19.3 10.0 2 925 775 45 27 -19.1 -19.1 | 32 8 -4.1 -6.6 3 850 1423 40 27 -17.4 -20.7 | 16 9 -2.3 -8.2 4 700 2874 40 35 -22.5 -26.8 | 28 16 -7.5 -14.3 5 500 5290 320 17 10.9 -13.0 | 271 26 25.9 -0.5 6 400 6860 235 50 41.0 28.7 | 234 69 56.0 41.2 7 300 8780 240 58 50.2 29.0 | 238 77 65.2 41.5 8 268 9491 235 60 49.1 34.4 | 234 79 64.2 46.9 9 250 9920 235 58 47.5 33.3 | 234 77 62.5 45.8 10 222 10640 230 48 36.8 30.9 | 230 68 51.8 43.4 11 200 11270 240 42 36.4 21.0 | 237 61 51.4 33.5 12 150 13020 250 38 35.7 13.0 | 243 57 50.7 25.5 13 100 15470 265 35 34.9 3.1 | 253 52 49.9 15.5 14 70 17600 265 38 37.9 3.3 | 253 55 52.9 15.8 15 50 19580 265 44 43.8 3.8 | 254 61 58.8 16.3 16 30 22540 270 58 58.0 -0.0 | 260 74 73.0 12.5 Wind Parameters Mean winds (0-6000m): 20.2 at 26.0 knts Storm direction: 50.2 at 19.5 knts Shear (0-3000m) pos: 5.0 neg: 1.4 tot: 6.4 10-3/s Storm rel Dir Shear (0-3000m): 134.8 deg Storm rel helicity (0-3000m) pos: 151.4 neg: -24.7 tot: 126.8 m^2/s^2 ave: 42.3 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 9.4 stream: 5.5 10^-3/s Energy-Hel index: 0.06 Bulk Rich Number: 1.99 Bulk Shear: 32.10 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 0 12 267 15| 22.5 0.0 22.5|116.5 0.0 116.5 233.0 0.89| 27.2 24.3 1000 38 19 304 4| 15.0 0.0 15.0|144.6 -2.2 142.4 142.4 0.86| 21.3 18.3 1500 40 22 343 4| 10.0 0.5 10.5|145.4 -4.4 140.9 94.0 0.80| 14.9 12.0 2000 40 24 0 6| 7.5 1.0 8.5|147.9 -4.4 143.5 71.7 0.77| 11.9 9.2 2500 40 25 10 7| 6.0 1.4 7.4|150.4 -4.4 146.0 58.4 0.74| 10.1 7.5 3000 39 27 14 8| 5.0 1.4 6.4|151.4 -24.7 126.8 42.3 0.58| 9.4 5.5 4000 34 27 3 10| 3.7 2.5 6.3|151.4-107.9 43.6 10.9 0.19| 9.5 1.8 5000 30 26 350 11| 3.0 3.0 6.0|151.4-192.4 -41.0 -8.2 0.00| 9.1 0.0 6000 20 26 333 13| 2.5 4.7 7.2|153.2-309.7-156.4 -26.1 -0.09| 10.0 -0.9 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20260109.12.gif