UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 27 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 1010 44 -16.3 -18.9 80 2.6 -16.7 280 1 256.1 256.3 255.8 258.4 0.85 1 1004 90 -12.7 -17.7 66 5.0 -13.6 322 3 260.2 260.3 259.2 262.7 0.95 2 1000 120 -11.7 -16.4 68 4.7 -12.7 350 5 261.5 261.6 260.5 264.3 1.06 3 993 174 -11.1 -15.2 72 4.1 -12.0 347 5 262.6 262.8 261.6 265.8 1.18 4 982 260 -7.5 -11.2 75 3.7 -8.5 343 6 267.0 267.3 265.7 271.5 1.65 5 979 284 -6.5 -10.3 74 3.8 -7.6 342 6 268.3 268.6 266.8 273.1 1.78 6 970 356 -5.3 -9.8 71 4.5 -6.6 338 7 270.2 270.5 268.2 275.3 1.87 7 925 727 -8.1 -17.1 48 9.0 -10.2 320 9 271.0 271.2 267.4 274.1 1.08 8 894 991 -8.5 -18.5 44 10.0 -10.8 330 10 273.3 273.4 268.7 276.1 0.99 9 850 1381 -10.5 -17.5 56 7.0 -12.1 345 11 275.1 275.3 270.2 278.4 1.14 10 814 1713 -12.5 -18.5 61 6.0 -13.8 336 10 276.5 276.6 270.9 279.6 1.09 11 794 1903 -12.5 -17.5 66 5.0 -13.6 331 9 278.4 278.6 272.3 282.0 1.22 12 793 1913 -12.5 -17.5 66 5.0 -13.7 331 9 278.5 278.7 272.3 282.1 1.22 13 700 2856 -17.9 -27.9 41 10.0 -19.5 305 5 282.7 282.8 273.6 284.4 0.55 14 644 3475 -20.5 -32.5 33 12.0 -22.1 303 11 286.5 286.6 275.5 287.8 0.39 15 621 3743 -21.9 -38.9 20 17.0 -23.7 301 14 287.9 288.0 275.9 288.6 0.21 16 576 4291 -26.1 -36.1 39 10.0 -27.2 299 20 289.3 289.3 276.8 290.3 0.30 17 555 4558 -28.1 -39.1 34 11.0 -29.1 298 23 290.0 290.0 277.0 290.8 0.23 18 500 5300 -31.7 -45.7 24 14.0 -32.6 295 31 294.4 294.4 279.0 294.8 0.13 19 480 5588 -33.3 -49.3 19 16.0 -34.2 293 34 295.9 295.9 279.6 296.2 0.09 20 431 6339 -38.3 -54.3 17 16.0 -38.9 288 42 298.8 298.8 280.9 299.0 0.06 21 400 6850 -41.3 -57.3 16 16.0 -41.8 285 48 301.3 301.3 282.0 301.5 0.04 22 354 7668 -47.1 -62.1 16 15.0 -47.4 280 50 304.2 304.2 283.1 304.3 0.03 23 318 8376 -48.1 -63.1 16 15.0 -48.4 280 46 312.3 312.3 286.2 312.4 0.02 24 300 8760 -48.3 -63.3 16 15.0 -48.6 280 44 317.3 317.3 287.9 317.4 0.03 25 287 9051 -48.1 -63.3 16 15.2 -48.4 280 62 321.7 321.7 289.3 321.8 0.03 26 250 9960 -47.3 -63.3 14 16.0 -47.7 285 44 335.7 335.8 293.3 335.9 0.03 27 247 10040 -46.9 -62.9 14 16.0 -47.4 285 44 337.5 337.5 293.7 337.6 0.03 28 200 11440 -46.9 -64.9 11 18.0 -47.5 285 40 358.5 358.5 298.4 358.6 0.03 29 150 13340 -46.7 -66.7 8 20.0 -47.6 290 27 389.6 389.6 303.8 389.7 0.03 30 140 13796 -48.5 -68.5 8 20.0 -49.3 290 25 394.2 394.2 304.4 394.3 0.03 31 100 16000 -51.1 -73.1 6 22.0 -51.9 290 17 429.0 429.0 308.7 429.1 0.02 32 77 17693 -51.9 -74.9 5 23.0 -52.8 290 8 460.6 460.6 311.8 460.7 0.02 33 70 18310 -51.5 -74.5 5 23.0 -52.5 290 5 474.2 474.2 313.0 474.3 0.02 34 50 20500 -50.3 -74.3 4 24.0 -51.9 290 3 524.9 524.9 316.6 525.1 0.03 35 47 20904 -49.7 -73.7 4 24.0 -51.5 535.7 535.8 317.3 536.0 0.04 TRP 354 7668 -47.1 -62.1 16 15.0 -47.4 280 50 304.2 304.2 283.1 304.3 0.03 WND 287 9051 -48.1 -63.3 16 15.2 -48.4 280 62 321.7 321.7 289.3 321.8 0.03 Sounding variables and indices 1000-500 mb thick: 5180.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 44.66 % Est. max temperature: 2.34 C = 36.22 F Sfc-Lift cond lev (LCL): 968.07 mb = 371.68 m = 1219.40 ft T: -5.42 C 700-500 lapse rate: 5.65 C/km ThetaE index: 1.25 C Layer 925.0- 894.0 mb Conv cond level (CCL): 705.81 mb = 2793.47 m = 9164.81 ft Mean mixing ratio: 1.37 g/kg Conv temperature: 10.05 C = 50.08 F Cap Strength: 15.53 C Lifted Index: 18.55 C Risk: None Lifted Index @300 mb: 32.07 C Lifted Index @700 mb: 10.91 C Showalter Index: 13.46 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 21.20 C Cross Totals Index: 14.20 C K Index: -6.30 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 3.45 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 50.02 J/kg Max Up Vert Vel: 10.00 m/s Conv Inhibition (B-): 39589.73 J/kg Cap Strength: 18.27 C Lift Cond Lev (LCL): 874.44 mb = 1162.16 m = 3812.81 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 333 at 12 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 1010 44 280 1 1.0 -0.2 | 157 11 -4.3 10.3 1 1000 120 350 5 0.9 -4.9 | 142 7 -4.4 5.6 2 925 727 320 9 5.8 -6.9 | 188 4 0.5 3.6 3 850 1381 345 11 2.8 -10.6 | 87 2 -2.4 -0.1 4 700 2856 305 5 4.1 -2.9 | 171 8 -1.2 7.6 5 500 5300 295 31 28.1 -13.1 | 277 23 22.8 -2.6 6 400 6850 285 48 46.4 -12.4 | 273 41 41.1 -1.9 7 354 7668 280 50 49.2 -8.7 | 268 44 44.0 1.8 8 300 8760 280 44 43.3 -7.6 | 266 38 38.1 2.8 9 287 9051 280 62 61.1 -10.8 | 270 56 55.8 -0.3 10 250 9960 285 44 42.5 -11.4 | 271 37 37.2 -0.9 11 200 11440 285 40 38.6 -10.4 | 270 33 33.4 0.1 12 150 13340 290 27 25.4 -9.2 | 266 20 20.1 1.2 13 100 16000 290 17 16.0 -5.8 | 246 12 10.7 4.7 14 70 18310 290 5 4.7 -1.7 | 176 9 -0.6 8.8 15 50 20500 290 3 2.8 -1.0 | 165 10 -2.5 9.5 Wind Parameters Mean winds (0-6000m): 303.3 at 15.6 knts Storm direction: 333.3 at 11.7 knts Shear (0-3000m) pos: 1.7 neg: 1.1 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 27.1 deg Storm rel helicity (0-3000m) pos: 9.2 neg: -7.6 tot: 1.6 m^2/s^2 ave: 0.5 10^-3 m/s^2 rel: 0.10 Storm rel vorticity (0-3000m) horiz: 4.2 stream: 0.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 2.98 Bulk Shear: 16.80 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 ------------------------------------------------------------------------------- 500 337 6 149 6| 7.4 0.0 7.4| 2.2 -5.5 -3.3 -6.6 -0.09| 8.6 -0.8 1000 329 7 160 4| 4.8 0.0 4.8| 3.8 -6.2 -2.4 -2.4 -0.02| 6.3 -0.1 1500 334 8 151 3| 3.4 0.0 3.4| 4.3 -7.1 -2.9 -1.9 -0.10| 5.3 -0.5 2000 334 9 150 3| 2.5 0.8 3.3| 5.7 -7.1 -1.4 -0.7 0.04| 4.7 0.2 2500 333 8 154 3| 2.0 1.1 3.2| 6.2 -7.2 -1.0 -0.4 0.05| 4.3 0.2 3000 332 8 157 4| 1.7 1.1 2.8| 9.2 -7.6 1.6 0.5 0.10| 4.2 0.4 4000 321 9 187 3| 1.3 1.5 2.8| 25.5 -7.6 17.9 4.5 0.33| 4.5 1.5 5000 310 12 234 5| 1.0 2.3 3.3| 38.6 -7.6 31.0 6.2 0.33| 4.7 1.5 6000 303 16 256 8| 0.8 2.9 3.7| 40.9 -11.6 29.3 4.9 0.26| 4.9 1.3 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250427.00.gif