UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 21 APR 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 1002 39 1.4 -11.6 37 13.0 -2.6 90 3 274.4 274.7 270.4 278.8 1.57 1 1000 55 1.8 -9.2 44 11.0 -1.9 90 3 275.0 275.3 271.3 280.3 1.90 2 965 341 -0.3 -15.3 31 15.0 -4.5 88 3 275.6 275.8 270.6 279.1 1.20 3 925 677 -3.5 -17.5 33 14.0 -7.1 85 3 275.7 275.9 270.4 278.8 1.04 4 850 1337 -10.3 -19.3 48 9.0 -12.3 75 7 275.4 275.5 270.0 278.2 0.98 5 772 2069 -16.7 -22.7 60 6.0 -17.8 63 5 276.1 276.3 270.2 278.5 0.80 6 769 2099 -16.7 -22.7 60 6.0 -17.8 62 5 276.5 276.6 270.4 278.8 0.80 7 721 2581 -18.7 -30.7 34 12.0 -20.4 54 4 279.4 279.5 271.5 280.7 0.41 8 712 2675 -17.5 -31.5 28 14.0 -19.5 52 3 281.7 281.8 272.8 282.9 0.39 9 700 2802 -17.9 -33.9 23 16.0 -20.0 50 3 282.7 282.7 273.2 283.6 0.31 10 684 2974 -19.5 -36.5 21 17.0 -21.5 48 4 282.8 282.8 273.2 283.5 0.25 11 651 3340 -21.1 -36.1 25 15.0 -22.8 45 5 285.0 285.0 274.5 285.8 0.27 12 500 5230 -35.3 -49.3 23 14.0 -36.0 25 13 290.0 290.0 276.8 290.3 0.09 13 437 6153 -42.7 -53.7 29 11.0 -43.0 22 18 292.0 292.0 277.7 292.2 0.06 14 426 6325 -41.9 -51.9 33 10.0 -42.3 21 19 295.2 295.2 279.3 295.4 0.07 15 400 6750 -43.9 -52.9 36 9.0 -44.2 20 21 297.9 297.9 280.6 298.2 0.07 16 349 7657 -49.9 -57.9 38 8.0 -50.1 20 24 301.7 301.7 282.1 301.8 0.04 17 313 8366 -53.5 -61.5 37 8.0 -53.7 20 27 306.2 306.2 283.9 306.3 0.03 18 300 8640 -53.1 -61.1 37 8.0 -53.2 5 25 310.5 310.5 285.5 310.6 0.03 19 251 9794 -48.9 -57.9 34 9.0 -49.2 5 13 333.0 333.0 292.6 333.2 0.06 20 250 9820 -48.7 -57.7 34 9.0 -49.0 5 13 333.7 333.7 292.8 333.9 0.06 21 200 11300 -46.1 -60.1 19 14.0 -46.7 320 15 359.8 359.8 298.7 360.0 0.06 22 191 11605 -47.1 -61.1 19 14.0 -47.7 320 15 362.9 362.9 299.3 363.2 0.05 23 150 13200 -47.3 -65.3 11 18.0 -48.1 320 15 388.6 388.6 303.6 388.7 0.04 24 100 15870 -48.9 -69.9 7 21.0 -49.9 325 9 433.2 433.3 309.2 433.4 0.03 25 91 16490 -49.1 -70.1 7 21.0 -50.1 305 9 444.7 444.7 310.4 444.9 0.03 26 70 18210 -50.3 -72.3 6 22.0 -51.5 250 9 476.8 476.8 313.2 477.0 0.03 27 50 20410 -49.1 -71.1 6 22.0 -50.8 175 7 527.8 527.8 316.8 528.1 0.05 28 40 21867 -50.9 -72.9 6 22.0 -52.7 182 17 558.0 558.0 318.5 558.4 0.05 29 38 22202 -49.7 -72.7 5 23.0 -51.8 183 19 569.3 569.3 319.2 569.7 0.05 30 31 23527 -51.9 -74.9 5 23.0 -53.9 189 28 597.5 597.5 320.5 597.9 0.05 31 30 23740 -50.9 -73.9 5 23.0 -53.2 190 29 605.9 605.9 320.9 606.3 0.06 32 26 24681 -46.9 -70.9 5 24.0 -50.5 183 31 642.5 642.6 322.4 643.4 0.10 33 22 25783 -49.1 -73.1 4 24.0 -52.5 175 34 667.4 667.5 323.3 668.2 0.09 34 20 26410 -48.5 -72.5 5 24.0 -52.2 170 35 687.7 687.8 324.0 688.6 0.11 35 17 27483 -46.9 -71.9 4 25.0 -51.7 725.6 725.6 325.3 726.8 0.14 TRP 313 8366 -53.5 -61.5 37 8.0 -53.7 20 27 306.2 306.2 283.9 306.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5175.00 m Freezing level: 970.00 mb = 299.92 m = 983.99 ft Wetbulb zero: Below ground Precipitable water: 0.14 inches Sfc-500 mean rel hum: 33.51 % Est. max temperature: 2.38 C = 36.28 F Sfc-Lift cond lev (LCL): 817.50 mb = 1633.62 m = 5359.57 ft T: -12.89 C 700-500 lapse rate: 7.17 C/km ThetaE index: 2.10 C Layer 965.0- 772.0 mb Conv cond level (CCL): 737.88 mb = 2407.76 m = 7899.37 ft Mean mixing ratio: 1.26 g/kg Conv temperature: 5.36 C = 41.64 F Cap Strength: 6.71 C Lifted Index: 9.27 C Risk: None Lifted Index @300 mb: 22.23 C Lifted Index @700 mb: 5.40 C Showalter Index: 10.03 C Risk: None Total Totals Index: 41.00 C Risk: None Vertical Totals Index: 25.00 C Cross Totals Index: 16.00 C K Index: -10.30 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 2.55 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.93 J/kg Max Up Vert Vel: 2.42 m/s Conv Inhibition (B-): 61920.43 J/kg Cap Strength: 9.08 C Lift Cond Lev (LCL): 769.72 mb = 2091.47 m = 6861.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 69 at 6 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 1002 39 90 3 -3.0 0.0 | 228 3 2.2 2.0 1 1000 55 90 3 -3.0 0.0 | 228 3 2.2 2.0 2 925 677 85 3 -3.0 -0.3 | 232 3 2.2 1.7 3 850 1337 75 7 -6.8 -1.8 | 97 2 -1.5 0.2 4 700 2802 50 3 -2.3 -1.9 | 269 3 2.9 0.1 5 500 5230 25 13 -5.5 -11.8 | 2 10 -0.3 -9.8 6 400 6750 20 21 -7.2 -19.7 | 6 18 -2.0 -17.7 7 313 8366 20 27 -9.2 -25.4 | 10 24 -4.0 -23.4 8 300 8640 5 25 -2.2 -24.9 | 352 23 3.1 -22.9 9 250 9820 5 13 -1.1 -13.0 | 339 12 4.1 -11.0 10 200 11300 320 15 9.6 -11.5 | 303 18 14.9 -9.5 11 150 13200 320 15 9.6 -11.5 | 303 18 14.9 -9.5 12 100 15870 325 9 5.2 -7.4 | 297 12 10.4 -5.4 13 70 18210 250 9 8.5 3.1 | 250 15 13.7 5.1 14 50 20410 175 7 -0.6 7.0 | 207 10 4.6 9.0 15 30 23740 190 29 5.0 28.6 | 199 32 10.3 30.6 16 20 26410 170 35 -6.1 34.5 | 179 36 -0.8 36.5 Wind Parameters Mean winds (0-6000m): 39.1 at 7.5 knts Storm direction: 69.1 at 5.6 knts Shear (0-3000m) pos: 0.0 neg: 0.5 tot: 0.5 10-3/s Storm rel Dir Shear (0-3000m): 58.5 deg Storm rel helicity (0-3000m) pos: 0.7 neg: -1.5 tot: -0.8 m^2/s^2 ave: -0.3 10^-3 m/s^2 rel: -0.40 Storm rel vorticity (0-3000m) horiz: 1.7 stream: -0.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 4.67 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 88 3 230 3| 0.0 0.2 0.2| 0.1 0.0 0.1 0.2 0.78| 0.2 0.2 1000 85 3 227 3| 0.0 1.2 1.2| 0.1 -0.6 -0.4 -0.4 -0.45| 1.3 -0.6 1500 80 4 217 2| 0.0 1.3 1.3| 0.1 -1.1 -1.0 -0.6 -0.59| 1.7 -1.0 2000 76 5 216 1| 0.0 0.7 0.7| 0.1 -1.2 -1.1 -0.5 -0.60| 1.7 -1.0 2500 74 5 226 1| 0.0 0.4 0.4| 0.1 -1.4 -1.2 -0.5 -0.55| 1.7 -0.9 3000 72 4 238 1| 0.0 0.5 0.5| 0.7 -1.5 -0.8 -0.3 -0.40| 1.7 -0.7 4000 62 5 287 1| 0.0 0.9 0.9| 3.0 -1.5 1.5 0.4 -0.05| 1.8 -0.1 5000 48 6 338 2| 0.0 1.1 1.1| 3.9 -1.6 2.4 0.5 -0.01| 1.9 -0.0 6000 39 7 352 4| 0.0 1.4 1.4| 6.3 -1.7 4.6 0.8 0.02| 2.0 0.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250421.12.gif