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 U3921... Searching the city database file for: U3921 ... Date:0000Z 9 JAN 26 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 1005 93 -16.9 -19.5 80 2.6 -17.3 0 0 255.9 256.0 255.5 258.1 0.81 1 1000 130 -17.5 -20.8 75 3.3 -18.0 351 0 255.6 255.8 255.2 257.6 0.73 2 951 505 -18.7 -22.1 75 3.4 -19.2 257 5 258.1 258.2 257.1 260.0 0.68 3 929 679 -16.5 -19.6 77 3.1 -17.0 213 7 262.1 262.3 260.6 264.5 0.87 4 925 712 -14.5 -17.7 77 3.2 -15.1 205 7 264.5 264.6 262.7 267.3 1.03 5 920 753 -12.3 -15.1 80 2.8 -12.9 209 8 267.1 267.4 265.1 270.7 1.28 6 899 930 -11.3 -13.9 81 2.6 -11.9 227 12 269.9 270.2 267.4 274.0 1.45 7 850 1360 -12.5 -14.9 82 2.4 -13.1 270 21 273.1 273.3 269.3 277.0 1.41 8 839 1459 -12.7 -15.2 82 2.5 -13.3 270 22 273.9 274.1 269.8 277.8 1.40 9 816 1672 -11.3 -13.9 81 2.6 -12.0 269 25 277.5 277.8 272.3 282.1 1.60 10 787 1950 -11.7 -14.1 82 2.4 -12.3 268 29 280.0 280.3 273.8 284.7 1.63 11 734 2488 -7.9 -10.0 85 2.1 -8.6 266 35 289.8 290.2 280.0 297.0 2.43 12 700 2855 -9.7 -12.1 83 2.4 -10.5 265 40 291.7 292.1 280.6 298.2 2.16 13 631 3651 -13.5 -15.9 82 2.4 -14.2 265 49 296.2 296.5 282.0 301.6 1.75 14 628 3687 -13.3 -15.7 82 2.4 -14.0 265 49 296.8 297.2 282.3 302.4 1.79 15 500 5380 -26.1 -30.5 66 4.4 -26.8 265 68 301.2 301.3 282.7 303.2 0.60 16 400 6950 -38.5 -43.4 60 4.9 -38.8 265 69 305.0 305.0 283.7 305.7 0.21 17 357 7721 -44.9 -50.9 51 6.0 -45.2 271 73 306.4 306.5 284.1 306.8 0.10 18 334 8163 -48.1 -54.1 50 6.0 -48.3 275 75 308.0 308.0 284.7 308.2 0.07 19 331 8222 -48.7 -54.6 50 5.9 -48.8 275 75 308.0 308.0 284.7 308.3 0.07 20 300 8860 -54.7 -59.7 54 5.0 -54.8 275 73 308.2 308.3 284.7 308.4 0.04 21 284 9208 -58.5 -63.5 52 5.0 -58.6 277 72 307.7 307.7 284.5 307.8 0.03 22 250 10000 -64.5 -69.5 50 5.0 -64.6 280 71 310.2 310.2 285.4 310.2 0.01 23 216 10875 -72.3 -77.3 47 5.0 -72.3 275 73 311.3 311.3 285.8 311.3 0.00 24 209 11069 -70.3 -75.0 50 4.7 -70.3 275 72 317.4 317.4 287.9 317.4 0.01 25 200 11330 -71.1 -76.0 48 4.9 -71.1 275 71 320.2 320.2 288.8 320.2 0.01 26 150 13050 -67.1 -72.1 49 5.0 -67.1 270 58 354.5 354.5 297.6 354.6 0.02 27 134 13731 -66.7 -71.7 49 5.0 -66.7 273 55 366.8 366.8 300.0 366.9 0.02 28 100 15490 -69.3 -74.3 48 5.0 -69.4 280 48 393.8 393.8 304.3 393.9 0.02 29 92 15986 -71.1 -76.1 47 5.0 -71.1 399.8 399.8 305.2 399.8 0.01 30 75 17200 -69.5 -74.5 48 5.0 -69.6 427.2 427.2 308.6 427.3 0.02 TRP 216 10875 -72.3 -77.3 47 5.0 -72.3 275 73 311.3 311.3 285.8 311.3 0.00 WND 331 8222 -48.7 -54.6 50 5.9 -48.8 275 75 308.0 308.0 284.7 308.3 0.07 Sounding variables and indices 1000-500 mb thick: 5250.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.32 inches Sfc-500 mean rel hum: 78.86 % Est. max temperature: -0.04 C = 31.94 F Sfc-Lift cond lev (LCL): 963.23 mb = 409.38 m = 1343.09 ft T: -18.39 C 700-500 lapse rate: 6.50 C/km ThetaE index: 0.45 C Layer 1000.0- 951.0 mb Conv cond level (CCL): 492.87 mb = 5481.04 m = 17982.19 ft Mean mixing ratio: 0.86 g/kg Conv temperature: 28.76 C = 83.78 F Cap Strength: 30.48 C Lifted Index: 31.95 C Risk: None Lifted Index @300 mb: 32.50 C Lifted Index @700 mb: 27.14 C Showalter Index: 20.17 C Risk: None Total Totals Index: 24.80 C Risk: None Vertical Totals Index: 13.60 C Cross Totals Index: 11.20 C K Index: -3.70 Risk: None Sweat Index: 110.00 Risk: None Energy Index: 5.63 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 51.39 J/kg Max Up Vert Vel: 10.14 m/s Conv Inhibition (B-): 28151.38 J/kg Cap Strength: 31.93 C Lift Cond Lev (LCL): 910.07 mb = 836.49 m = 2744.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 295 at 30 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 1005 93 0 0 -0.0 -0.0 | 115 30 -27.6 12.6 1 925 712 205 7 3.0 6.3 | 128 31 -24.6 18.9 2 850 1360 270 21 21.0 -0.0 | 152 14 -6.6 12.6 3 700 2855 265 40 39.8 3.5 | 217 20 12.3 16.1 4 500 5380 265 68 67.7 5.9 | 245 44 40.2 18.5 5 400 6950 265 69 68.7 6.0 | 246 45 41.2 18.6 6 331 8222 275 75 74.7 -6.5 | 263 48 47.1 6.1 7 300 8860 275 73 72.7 -6.4 | 262 46 45.2 6.2 8 250 10000 280 71 69.9 -12.3 | 270 42 42.4 0.3 9 216 10875 275 73 72.7 -6.4 | 262 46 45.2 6.2 10 200 11330 275 71 70.7 -6.2 | 262 44 43.2 6.4 11 150 13050 270 58 58.0 -0.0 | 248 33 30.4 12.6 12 100 15490 280 48 47.3 -8.3 | 258 20 19.7 4.3 Wind Parameters Mean winds (0-6000m): 264.5 at 40.4 knts Storm direction: 294.5 at 30.3 knts Shear (0-3000m) pos: 3.4 neg: 4.1 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 107.9 deg Storm rel helicity (0-3000m) pos: 204.2 neg: -5.9 tot: 198.3 m^2/s^2 ave: 66.1 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 6.2 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.25 Bulk Shear: 205.15 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 ------------------------------------------------------------------------------- 500 198 3 120 31| 0.0 5.8 5.8| 39.3 -5.9 33.4 66.8 0.55| 8.9 4.9 1000 222 6 127 29| 5.0 2.9 7.9|112.2 -5.9 106.4 106.4 0.64| 11.6 7.4 1500 253 11 132 23| 6.7 1.9 8.6|138.1 -5.9 132.3 88.2 0.57| 12.2 6.9 2000 260 15 139 20| 5.0 3.0 8.0|160.6 -5.9 154.7 77.4 0.63| 10.8 6.8 2500 263 18 148 18| 4.0 3.7 7.8|182.6 -5.9 176.8 70.7 0.66| 10.0 6.5 3000 263 22 159 16| 3.4 4.1 7.5|204.2 -5.9 198.3 66.1 0.66| 9.3 6.2 4000 264 28 182 16| 2.5 4.5 7.0|248.1 -5.9 242.2 60.5 0.64| 8.4 5.4 5000 264 35 204 17| 2.0 4.7 6.7|291.9 -5.9 286.0 57.2 0.61| 7.9 4.8 6000 265 40 218 21| 1.7 4.3 5.9|306.3 -5.9 300.4 50.1 0.60| 6.9 4.1 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20260109.00.gif