UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120512.upa.cvt Date: 1200Z 5 DEC 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 5 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 1003 40 -34.5 -38.1 70 3.6 -34.7 315 1 238.4 238.5 238.3 238.8 0.14 1 1000 61 -34.9 -39.9 60 5.0 -35.1 315 1 238.2 238.3 238.1 238.6 0.12 2 956 374 -36.9 -41.9 60 5.0 -37.1 318 6 239.3 239.3 239.0 239.6 0.10 3 949 425 -34.5 -39.4 61 4.9 -34.7 318 6 242.2 242.3 241.9 242.6 0.13 4 940 492 -33.1 -38.1 61 5.0 -33.3 319 7 244.3 244.4 243.9 244.8 0.15 5 938 507 -31.1 -36.0 62 4.9 -31.4 319 8 246.5 246.5 246.0 247.0 0.19 6 930 567 -30.3 -34.8 65 4.5 -30.6 320 8 247.9 248.0 247.3 248.5 0.21 7 925 606 -28.1 -32.6 65 4.5 -28.4 320 9 250.6 250.6 249.8 251.3 0.27 8 922 629 -26.5 -30.7 68 4.2 -26.9 319 9 252.4 252.5 251.5 253.3 0.32 9 908 741 -23.9 -27.8 70 3.9 -24.3 317 9 256.2 256.3 255.0 257.4 0.43 10 850 1224 -22.9 -27.9 64 5.0 -23.5 305 9 262.2 262.2 259.8 263.4 0.45 11 833 1372 -22.7 -28.7 58 6.0 -23.4 299 10 263.9 264.0 261.1 265.1 0.43 12 746 2176 -25.7 -29.6 70 3.9 -26.1 268 13 269.1 269.2 264.9 270.4 0.44 13 700 2634 -28.7 -33.2 65 4.5 -29.1 250 15 270.7 270.8 265.8 271.7 0.33 14 562 4174 -37.1 -39.8 76 2.7 -37.2 253 12 278.3 278.4 270.5 279.0 0.21 15 527 4614 -40.7 -44.2 69 3.5 -40.9 254 12 279.2 279.2 270.9 279.6 0.14 16 500 4970 -42.1 -45.9 66 3.8 -42.3 255 11 281.7 281.7 272.4 282.1 0.13 17 400 6460 -49.9 -54.7 57 4.8 -50.0 300 11 290.1 290.1 276.8 290.3 0.06 18 336 7583 -55.9 -61.9 47 6.0 -56.0 309 13 296.8 296.8 280.0 296.9 0.03 19 300 8300 -57.7 -63.7 46 6.0 -57.8 315 15 304.0 304.0 283.0 304.1 0.02 20 287 8579 -58.7 -64.7 46 6.0 -58.7 300 15 306.5 306.5 284.0 306.5 0.02 21 261 9178 -56.5 -62.5 47 6.0 -56.6 317 12 318.1 318.1 288.2 318.3 0.03 22 250 9450 -57.3 -63.3 46 6.0 -57.4 325 11 320.9 320.9 289.0 321.0 0.03 23 200 10870 -55.9 -63.9 36 8.0 -56.1 325 15 344.2 344.3 295.4 344.4 0.04 24 150 12690 -58.1 -68.1 27 10.0 -58.3 320 17 370.0 370.0 300.6 370.1 0.03 25 147 12817 -57.7 -67.7 27 10.0 -57.9 320 17 372.8 372.8 301.1 372.9 0.03 26 121 14032 -61.5 -73.5 19 12.0 -61.7 320 20 387.2 387.2 303.4 387.3 0.02 27 100 15210 -61.9 -73.9 19 12.0 -62.1 320 23 408.1 408.1 306.3 408.2 0.02 28 70 17400 -66.1 -79.1 15 13.0 -66.2 320 27 443.0 443.0 310.2 443.0 0.01 29 50 19410 -71.3 -84.3 13 13.0 -71.4 305 25 475.5 475.5 313.1 475.5 0.01 30 36 21338 -74.3 -88.3 10 14.0 -74.4 514.5 514.5 315.9 514.6 0.00 TRP 287 8579 -58.7 -64.7 46 6.0 -58.7 300 15 306.5 306.5 284.0 306.5 0.02 WND Sounding variables and indices 1000-500 mb thick: 4909.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.07 inches Sfc-500 mean rel hum: 67.36 % Est. max temperature: -11.09 C = 12.04 F Sfc-Lift cond lev (LCL): 942.82 mb = 470.59 m = 1543.92 ft T: -33.54 C 700-500 lapse rate: 5.74 C/km ThetaE index: 0.26 C Layer 1000.0- 956.0 mb Conv cond level (CCL): 990.03 mb = 130.62 m = 428.55 ft Mean mixing ratio: 0.19 g/kg Conv temperature: -34.46 C = -30.03 F Cap Strength: 28.66 C Lifted Index: 30.30 C Risk: None Lifted Index @300 mb: 41.95 C Lifted Index @700 mb: 23.52 C Showalter Index: 15.07 C Risk: None Total Totals Index: 33.40 C Risk: None Vertical Totals Index: 19.20 C Cross Totals Index: 14.20 C K Index: -13.20 Risk: None Sweat Index: 29.00 Risk: None Energy Index: 3.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 85.48 J/kg Max Up Vert Vel: 13.08 m/s Conv Inhibition (B-): 50098.55 J/kg Cap Strength: 29.83 C Lift Cond Lev (LCL): 897.66 mb = 824.51 m = 2705.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 297 at 8 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 1003 40 315 1 0.7 -0.7 | 114 7 -6.8 3.1 1 1000 61 315 1 0.7 -0.7 | 114 7 -6.8 3.1 2 925 606 320 9 5.8 -6.9 | 29 4 -1.7 -3.1 3 850 1224 305 9 7.4 -5.2 | 6 1 -0.2 -1.4 4 700 2634 250 15 14.1 5.1 | 216 11 6.6 8.9 5 500 4970 255 11 10.6 2.8 | 205 7 3.1 6.6 6 400 6460 300 11 9.5 -5.5 | 311 3 2.0 -1.7 7 300 8300 315 15 10.6 -10.6 | 336 7 3.1 -6.8 8 287 8579 300 15 13.0 -7.5 | 304 7 5.5 -3.7 9 250 9450 325 11 6.3 -9.0 | 13 5 -1.2 -5.2 10 200 10870 325 15 8.6 -12.3 | 353 9 1.1 -8.5 11 150 12690 320 17 10.9 -13.0 | 340 10 3.4 -9.2 12 100 15210 320 23 14.8 -17.6 | 332 16 7.3 -13.8 13 70 17400 320 27 17.4 -20.7 | 330 20 9.8 -16.9 14 50 19410 305 25 20.5 -14.3 | 309 17 13.0 -10.6 Wind Parameters Mean winds (0-6000m): 266.7 at 11.2 knts Storm direction: 296.7 at 8.4 knts Shear (0-3000m) pos: 1.2 neg: 2.3 tot: 3.5 10-3/s Storm rel Dir Shear (0-3000m): 100.9 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -17.7 tot: -17.7 m^2/s^2 ave: -5.9 10^-3 m/s^2 rel: -0.61 Storm rel vorticity (0-3000m) horiz: 4.1 stream: -2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 7.59 Bulk Shear: 11.26 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 ------------------------------------------------------------------------------- 500 319 4 96 5| 7.2 0.0 7.2| 0.0 -5.7 -5.7 -11.4 -0.71| 7.3 -5.2 1000 317 7 71 3| 3.6 0.9 4.5| 0.0 -6.9 -6.9 -6.9 -0.68| 4.9 -3.4 1500 311 8 59 2| 2.4 1.6 4.1| 0.0 -7.9 -7.9 -5.3 -0.71| 4.4 -3.1 2000 301 8 26 1| 1.8 2.3 4.1| 0.0 -10.2 -10.2 -5.1 -0.66| 4.4 -2.9 2500 288 9 241 2| 1.4 2.8 4.2| 0.0 -15.6 -15.6 -6.2 -0.62| 4.6 -2.9 3000 279 10 230 3| 1.2 2.3 3.5| 0.0 -17.7 -17.7 -5.9 -0.61| 4.1 -2.5 4000 270 11 223 5| 0.9 1.7 2.7| 0.0 -19.4 -19.4 -4.9 -0.59| 3.3 -2.0 5000 266 11 219 6| 0.8 1.4 2.2| 0.4 -21.2 -20.7 -4.1 -0.57| 2.9 -1.6 6000 267 11 220 6| 1.2 1.2 2.3| 5.7 -21.2 -15.5 -2.6 -0.35| 2.9 -1.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251205.12.gif