UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 18 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 ------------------------------------------------------------------------------- 0 1000 10 0 0 SFC 996 41 -6.3 -15.3 49 9.0 -8.5 0 0 267.2 267.3 264.9 270.4 1.17 2 925 614 -11.5 -19.5 52 8.0 -13.1 300 7 267.5 267.7 264.7 270.0 0.88 3 870 1079 -15.7 -21.7 60 6.0 -16.7 304 7 267.9 268.0 264.7 270.1 0.77 4 856 1202 -14.7 -19.6 66 4.9 -15.6 305 7 270.2 270.4 266.6 272.9 0.94 5 850 1255 -14.9 -19.5 68 4.6 -15.8 305 7 270.5 270.7 266.9 273.3 0.96 6 809 1628 -17.3 -21.5 70 4.2 -18.0 305 7 271.8 272.0 267.5 274.3 0.85 7 765 2045 -19.3 -25.3 59 6.0 -20.2 305 7 274.1 274.2 268.6 276.0 0.64 8 721 2484 -21.5 -29.5 48 8.0 -22.5 305 7 276.3 276.4 269.7 277.7 0.46 9 700 2702 -22.7 -30.7 48 8.0 -23.7 305 7 277.3 277.4 270.3 278.6 0.42 10 554 4384 -32.5 -37.5 61 5.0 -32.9 208 14 284.9 285.0 274.5 285.8 0.27 11 500 5100 -36.9 -45.9 39 9.0 -37.4 165 17 288.0 288.1 275.9 288.5 0.13 12 454 5761 -41.3 -51.3 33 10.0 -41.7 167 18 290.6 290.6 277.1 290.9 0.07 13 400 6610 -47.1 -55.1 40 8.0 -47.3 170 19 293.8 293.8 278.6 294.0 0.05 14 349 7499 -52.1 -60.1 38 8.0 -52.2 165 17 298.7 298.7 280.8 298.8 0.03 15 300 8480 -49.7 -58.7 34 9.0 -49.9 150 11 315.3 315.3 287.2 315.5 0.05 16 291 8681 -47.7 -56.7 35 9.0 -48.0 158 11 320.9 320.9 289.1 321.1 0.06 17 250 9690 -45.9 -57.9 25 12.0 -46.4 200 9 337.8 337.8 293.9 338.1 0.06 18 200 11180 -45.9 -62.9 13 17.0 -46.6 210 11 360.1 360.1 298.8 360.3 0.04 19 182 11804 -46.5 -64.5 11 18.0 -47.2 213 12 369.0 369.0 300.4 369.1 0.04 20 150 13080 -47.1 -67.1 8 20.0 -47.9 220 13 388.9 388.9 303.6 389.1 0.03 21 100 15770 -47.5 -69.5 6 22.0 -48.6 225 9 435.9 436.0 309.5 436.1 0.03 22 70 18120 -49.1 -72.1 5 23.0 -50.4 260 13 479.3 479.4 313.4 479.5 0.03 23 55 19705 -48.5 -72.5 5 24.0 -50.3 260 10 514.9 515.0 316.0 515.2 0.04 24 50 20330 -50.5 -73.5 5 23.0 -52.1 260 9 524.5 524.5 316.6 524.7 0.04 25 33 23028 -52.5 -75.5 5 23.0 -54.3 585.3 585.4 319.9 585.6 0.04 TRP 349 7499 -52.1 -60.1 38 8.0 -52.2 165 17 298.7 298.7 280.8 298.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5090.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.13 inches Sfc-500 mean rel hum: 55.29 % Est. max temperature: -2.80 C = 26.96 F Sfc-Lift cond lev (LCL): 862.86 mb = 1141.64 m = 3745.48 ft T: -15.19 C 700-500 lapse rate: 5.92 C/km ThetaE index: 0.36 C Layer 925.0- 870.0 mb Conv cond level (CCL): 728.05 mb = 2412.37 m = 7914.50 ft Mean mixing ratio: 0.97 g/kg Conv temperature: 2.49 C = 36.48 F Cap Strength: 12.77 C Lifted Index: 14.82 C Risk: None Lifted Index @300 mb: 31.99 C Lifted Index @700 mb: 7.63 C Showalter Index: 12.36 C Risk: None Total Totals Index: 39.40 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 17.40 C K Index: -5.50 Risk: None Sweat Index: 31.00 Risk: None Energy Index: 3.19 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.90 J/kg Max Up Vert Vel: 1.95 m/s Conv Inhibition (B-): 48028.15 J/kg Cap Strength: 14.47 C Lift Cond Lev (LCL): 829.38 mb = 1440.11 m = 4724.70 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 236 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 ---------------------------------------------------------- 0 996 41 0 0 -0.0 -0.0 | 56 8 -6.5 -4.4 1 925 614 300 7 6.1 -3.5 | 3 8 -0.4 -7.9 2 850 1255 305 7 5.7 -4.0 | 5 8 -0.7 -8.4 3 700 2702 305 7 5.7 -4.0 | 5 8 -0.7 -8.4 4 500 5100 165 17 -4.4 16.4 | 138 16 -10.9 12.0 5 400 6610 170 19 -3.3 18.7 | 146 17 -9.8 14.3 6 349 7499 165 17 -4.4 16.4 | 138 16 -10.9 12.0 7 300 8480 150 11 -5.5 9.5 | 113 13 -12.0 5.1 8 250 9690 200 9 3.1 8.5 | 140 5 -3.4 4.0 9 200 11180 210 11 5.5 9.5 | 169 5 -1.0 5.1 10 150 13080 220 13 8.4 10.0 | 199 6 1.9 5.5 11 100 15770 225 9 6.4 6.4 | 177 2 -0.1 2.0 12 70 18120 260 13 12.8 2.3 | 289 7 6.3 -2.2 13 50 20330 260 9 8.9 1.6 | 320 4 2.4 -2.8 Wind Parameters Mean winds (0-6000m): 205.8 at 10.5 knts Storm direction: 235.8 at 7.8 knts Shear (0-3000m) pos: 0.0 neg: 1.5 tot: 1.5 10-3/s Storm rel Dir Shear (0-3000m): -69.7 deg Storm rel helicity (0-3000m) pos: 0.6 neg: -22.5 tot: -21.9 m^2/s^2 ave: -7.3 10^-3 m/s^2 rel: -0.86 Storm rel vorticity (0-3000m) horiz: 2.0 stream: -1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.12 Bulk Shear: 16.13 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 ------------------------------------------------------------------------------- 500 299 3 33 7| 0.0 6.3 6.3| 0.0 -14.9 -14.9 -29.8 -0.97| 7.1 -6.8 1000 301 5 17 7| 0.0 3.6 3.6| 0.4 -17.4 -17.0 -17.0 -0.90| 4.4 -3.9 1500 302 6 13 8| 0.1 2.4 2.5| 0.6 -17.4 -16.8 -11.2 -0.87| 3.0 -2.6 2000 303 6 11 8| 0.1 1.8 1.9| 0.6 -17.4 -16.8 -8.4 -0.87| 2.2 -1.9 2500 304 6 9 8| 0.0 1.4 1.5| 0.6 -17.4 -16.8 -6.7 -0.87| 1.8 -1.5 3000 303 6 8 8| 0.0 1.5 1.5| 0.6 -22.5 -21.9 -7.3 -0.86| 2.0 -1.7 4000 285 7 354 6| 0.0 1.6 1.7| 0.6 -35.3 -34.7 -8.7 -0.89| 3.0 -2.6 5000 250 9 305 2| 0.0 1.7 1.8| 0.6 -65.6 -65.0 -13.0 -0.82| 4.0 -3.3 6000 206 10 159 5| 0.1 1.5 1.6| 6.5 -68.6 -62.1 -10.3 -0.76| 3.5 -2.7 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250418.12.gif