UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120612.upa.cvt Date: 1200Z 6 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 6 DEC 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1017 44 -43.1 -48.1 58 5.0 -43.2 0 0 228.9 229.0 228.9 229.1 0.05 1 1000 159 -38.9 -43.9 59 5.0 -39.0 265 1 234.2 234.3 234.1 234.5 0.08 2 953 492 -35.9 -40.9 60 5.0 -36.1 287 5 240.5 240.6 240.2 240.8 0.11 3 950 514 -35.1 -40.0 61 4.9 -35.3 288 5 241.6 241.6 241.2 241.9 0.12 4 938 603 -33.5 -38.5 61 5.0 -33.7 294 6 244.1 244.1 243.6 244.5 0.15 5 925 702 -29.7 -34.5 63 4.8 -30.0 300 7 248.9 249.0 248.2 249.6 0.22 6 919 749 -28.1 -32.9 63 4.8 -28.5 308 7 251.0 251.1 250.2 251.8 0.26 7 886 1013 -24.9 -29.1 68 4.2 -25.3 356 7 257.0 257.1 255.5 258.1 0.39 8 850 1315 -23.9 -28.0 69 4.1 -24.4 50 7 261.1 261.2 259.0 262.4 0.45 9 834 1454 -23.5 -27.5 70 4.0 -23.9 52 8 263.0 263.0 260.5 264.3 0.48 10 783 1913 -25.3 -29.0 71 3.7 -25.7 61 11 265.8 265.9 262.6 267.1 0.44 11 747 2253 -27.7 -31.3 71 3.6 -28.0 67 14 266.8 266.9 263.2 267.9 0.37 12 700 2717 -31.3 -34.8 71 3.5 -31.6 75 17 267.8 267.9 263.7 268.7 0.28 13 603 3757 -38.1 -41.7 69 3.6 -38.3 73 17 271.6 271.7 266.1 272.1 0.16 14 500 5030 -43.7 -47.5 66 3.8 -43.8 70 17 279.8 279.8 271.2 280.1 0.10 15 400 6500 -51.7 -55.5 64 3.8 -51.8 45 15 287.8 287.8 275.6 288.0 0.05 16 330 7729 -57.3 -61.3 60 4.0 -57.3 35 17 296.4 296.4 279.8 296.5 0.03 17 300 8330 -57.5 -61.7 59 4.2 -57.6 15 15 304.3 304.3 283.2 304.4 0.03 18 265 9119 -57.7 -61.9 59 4.2 -57.8 355 16 315.0 315.0 287.1 315.1 0.03 19 250 9490 -56.5 -60.6 60 4.1 -56.6 345 17 322.1 322.1 289.5 322.2 0.04 20 228 10072 -55.1 -59.4 59 4.3 -55.2 343 16 332.8 332.8 292.5 333.0 0.06 21 200 10900 -56.9 -61.3 57 4.4 -57.0 340 15 342.7 342.7 295.0 342.9 0.05 22 150 12710 -59.3 -63.9 55 4.6 -59.4 340 19 367.9 367.9 300.2 368.1 0.05 23 100 15230 -62.9 -67.6 53 4.7 -63.0 310 19 406.2 406.2 306.0 406.4 0.04 24 70 17400 -66.5 -71.1 52 4.6 -66.6 310 29 442.1 442.1 310.1 442.3 0.04 25 56 18739 -70.9 -75.3 52 4.4 -70.9 303 32 461.2 461.2 311.9 461.4 0.02 26 50 19410 -71.9 -76.6 49 4.7 -72.0 300 33 474.1 474.1 313.0 474.2 0.02 27 37 21174 -74.3 -79.0 48 4.7 -74.4 510.5 510.5 315.7 510.7 0.02 TRP 330 7729 -57.3 -61.3 60 4.0 -57.3 35 17 296.4 296.4 279.8 296.5 0.03 WND Sounding variables and indices 1000-500 mb thick: 4871.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 67.80 % Est. max temperature: -12.76 C = 9.03 F Sfc-Lift cond lev (LCL): 930.25 mb = 661.88 m = 2171.51 ft T: -31.24 C 700-500 lapse rate: 5.36 C/km ThetaE index: 0.00 C Layer 1017.0- -0.0 mb Conv cond level (CCL): 454.30 mb = 5661.48 m = 18574.17 ft Mean mixing ratio: 0.12 g/kg Conv temperature: 11.45 C = 52.61 F Cap Strength: 27.51 C Lifted Index: 32.75 C Risk: None Lifted Index @300 mb: 45.66 C Lifted Index @700 mb: 25.31 C Showalter Index: 14.35 C Risk: None Total Totals Index: 35.50 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 15.70 C K Index: -11.70 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 68.36 J/kg Max Up Vert Vel: 11.69 m/s Conv Inhibition (B-): 50561.37 J/kg Cap Strength: 32.24 C Lift Cond Lev (LCL): 899.20 mb = 905.91 m = 2972.11 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 96 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 1017 44 0 0 -0.0 -0.0 | 276 10 9.9 -1.0 1 1000 159 265 1 1.0 0.1 | 275 11 10.9 -0.9 2 925 702 300 7 6.1 -3.5 | 286 17 16.0 -4.5 3 850 1315 50 7 -5.4 -4.5 | 321 7 4.5 -5.5 4 700 2717 75 17 -16.4 -4.4 | 50 8 -6.5 -5.4 5 500 5030 70 17 -16.0 -5.8 | 42 9 -6.1 -6.8 6 400 6500 45 15 -10.6 -10.6 | 4 12 -0.7 -11.6 7 330 7729 35 17 -9.8 -13.9 | 359 15 0.1 -14.9 8 300 8330 15 15 -3.9 -14.5 | 339 17 6.0 -15.5 9 250 9490 345 17 4.4 -16.4 | 321 23 14.3 -17.4 10 200 10900 340 15 5.1 -14.1 | 315 21 15.0 -15.1 11 150 12710 340 19 6.5 -17.9 | 319 25 16.4 -18.9 12 100 15230 310 19 14.6 -12.2 | 298 28 24.4 -13.2 13 70 17400 310 29 22.2 -18.6 | 301 38 32.1 -19.7 14 50 19410 300 33 28.6 -16.5 | 294 42 38.5 -17.5 Wind Parameters Mean winds (0-6000m): 65.9 at 13.3 knts Storm direction: 95.9 at 9.9 knts Shear (0-3000m) pos: 3.7 neg: 0.9 tot: 4.6 10-3/s Storm rel Dir Shear (0-3000m): 133.1 deg Storm rel helicity (0-3000m) pos: 61.4 neg: -1.0 tot: 60.5 m^2/s^2 ave: 20.2 10^-3 m/s^2 rel: 0.67 Storm rel vorticity (0-3000m) horiz: 5.5 stream: 3.7 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 2.21 Bulk Shear: 30.94 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 ------------------------------------------------------------------------------- 500 285 3 278 12| 0.0 5.4 5.4| 5.1 -0.6 4.5 9.0 0.22| 5.6 1.2 1000 312 5 287 14| 3.8 2.7 6.5| 35.4 -0.6 34.8 34.8 0.59| 7.6 4.5 1500 348 5 300 13| 4.2 1.8 6.0| 44.2 -0.6 43.7 29.1 0.56| 7.7 4.3 2000 26 7 315 10| 4.2 1.4 5.5| 51.0 -0.6 50.5 25.2 0.63| 6.7 4.2 2500 48 8 329 8| 4.2 1.1 5.2| 58.6 -0.6 58.0 23.2 0.67| 6.3 4.2 3000 58 10 343 6| 3.7 0.9 4.6| 61.4 -1.0 60.5 20.2 0.67| 5.5 3.7 4000 65 11 4 6| 2.8 0.7 3.5| 61.4 -2.3 59.1 14.8 0.64| 4.2 2.7 5000 67 13 16 6| 2.2 0.6 2.8| 61.4 -3.8 57.6 11.5 0.61| 3.4 2.1 6000 66 13 19 7| 1.8 1.0 2.8| 61.4 -16.3 45.2 7.5 0.41| 3.3 1.3 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251206.12.gif