UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 30 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 1004 39 -3.9 -9.9 63 6.0 -5.7 285 9 268.9 269.2 267.3 273.9 1.79 1 1000 70 -3.9 -11.9 54 8.0 -6.1 285 9 269.2 269.5 267.0 273.5 1.53 2 925 678 -10.1 -17.1 57 7.0 -11.6 285 17 269.0 269.2 266.0 272.0 1.08 3 888 991 -13.1 -18.1 66 5.0 -14.1 287 19 269.0 269.2 266.0 272.0 1.03 4 850 1323 -15.5 -19.6 71 4.1 -16.3 290 21 269.9 270.1 266.4 272.6 0.95 5 842 1394 -15.9 -20.0 71 4.1 -16.7 287 21 270.2 270.4 266.6 272.9 0.93 6 821 1585 -15.9 -19.8 72 3.9 -16.7 278 21 272.2 272.3 268.0 275.0 0.97 7 747 2292 -19.1 -23.6 68 4.5 -19.8 247 21 276.2 276.3 270.2 278.4 0.76 8 700 2776 -19.1 -23.2 70 4.1 -19.8 225 21 281.3 281.5 273.4 283.9 0.84 9 543 4620 -32.3 -37.3 61 5.0 -32.7 199 19 286.8 286.9 275.5 287.7 0.29 10 500 5200 -34.5 -39.5 60 5.0 -34.9 190 19 291.0 291.0 277.6 291.8 0.25 11 418 6431 -40.3 -46.3 53 6.0 -40.6 220 21 298.8 298.9 281.0 299.3 0.14 12 412 6529 -40.5 -46.5 52 6.0 -40.8 213 18 299.8 299.8 281.4 300.3 0.14 13 400 6730 -40.7 -46.7 52 6.0 -41.0 200 13 302.1 302.1 282.4 302.6 0.14 14 375 7170 -41.5 -48.5 47 7.0 -41.8 200 17 306.7 306.7 284.2 307.1 0.12 15 300 8690 -40.5 -52.5 26 12.0 -41.2 200 29 328.3 328.3 291.3 328.7 0.10 16 252 9876 -40.9 -56.9 16 16.0 -41.8 195 31 344.5 344.5 295.4 344.8 0.07 17 250 9930 -40.3 -57.3 15 17.0 -41.2 195 31 346.2 346.2 295.8 346.4 0.07 18 200 11440 -40.9 -61.9 9 21.0 -42.1 170 23 368.0 368.0 300.2 368.2 0.05 19 150 13390 -43.5 -67.5 5 24.0 -44.7 190 35 395.1 395.1 304.5 395.2 0.03 20 144 13664 -41.9 -66.9 5 25.0 -43.3 193 33 402.5 402.5 305.6 402.7 0.03 21 139 13903 -42.3 -68.3 4 26.0 -43.7 195 32 405.9 405.9 306.0 406.0 0.03 22 100 16100 -46.9 -72.9 4 26.0 -48.1 215 19 437.1 437.1 309.6 437.2 0.02 23 89 16865 -50.5 -75.5 4 25.0 -51.5 222 18 444.7 444.7 310.4 444.8 0.02 24 83 17321 -48.7 -74.7 3 26.0 -49.9 225 17 457.4 457.4 311.5 457.5 0.02 25 70 18430 -52.7 -77.7 3 25.0 -53.7 235 15 471.6 471.6 312.8 471.7 0.01 26 67 18712 -51.7 -77.7 3 26.0 -52.8 241 15 479.8 479.8 313.4 479.8 0.01 27 50 20610 -50.3 -76.3 3 26.0 -51.9 280 15 524.9 524.9 316.6 525.1 0.02 28 30 23920 -51.3 -77.3 3 26.0 -53.5 115 3 604.8 604.8 320.8 605.0 0.03 29 25 25102 -51.3 -78.3 3 27.0 -53.9 160 4 637.2 637.2 322.2 637.4 0.03 30 20 26560 -48.3 -76.3 2 28.0 -52.2 215 5 688.3 688.4 324.1 688.8 0.06 31 12 29958 -44.7 -74.7 2 30.0 -51.7 123 2 809.4 809.4 327.5 810.6 0.13 32 10 31190 -40.7 -72.7 2 32.0 -50.4 90 1 867.6 867.7 328.8 869.8 0.21 33 9.1 31834 -39.5 -72.5 2 33.0 -50.3 895.9 896.1 329.4 898.5 0.23 TRP 418 6431 -40.3 -46.3 53 6.0 -40.6 220 21 298.8 298.9 281.0 299.3 0.14 WND Sounding variables and indices 1000-500 mb thick: 5130.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 64.82 % Est. max temperature: -3.03 C = 26.55 F Sfc-Lift cond lev (LCL): 913.09 mb = 777.41 m = 2550.53 ft T: -11.05 C 700-500 lapse rate: 6.35 C/km ThetaE index: 1.90 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 794.12 mb = 1834.10 m = 6017.31 ft Mean mixing ratio: 1.27 g/kg Conv temperature: 0.74 C = 33.33 F Cap Strength: 12.27 C Lifted Index: 15.28 C Risk: None Lifted Index @300 mb: 39.46 C Lifted Index @700 mb: 9.24 C Showalter Index: 15.28 C Risk: None Total Totals Index: 33.90 C Risk: None Vertical Totals Index: 19.00 C Cross Totals Index: 14.90 C K Index: -4.70 Risk: None Sweat Index: 61.00 Risk: None Energy Index: 4.06 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.92 J/kg Max Up Vert Vel: 1.36 m/s Conv Inhibition (B-): 83288.77 J/kg Cap Strength: 15.21 C Lift Cond Lev (LCL): 850.78 mb = 1316.01 m = 4317.57 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 261 at 15 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 1004 39 285 9 8.7 -2.3 | 52 7 -5.7 -4.5 1 1000 70 285 9 8.7 -2.3 | 52 7 -5.7 -4.5 2 925 678 285 17 16.4 -4.4 | 343 7 2.1 -6.6 3 850 1323 290 21 19.7 -7.2 | 330 11 5.4 -9.3 4 700 2776 225 21 14.8 14.8 | 182 13 0.5 12.7 5 500 5200 190 19 3.3 18.7 | 146 20 -11.1 16.6 6 418 6431 220 21 13.5 16.1 | 176 14 -0.9 13.9 7 400 6730 200 13 4.4 12.2 | 135 14 -9.9 10.1 8 300 8690 200 29 9.9 27.3 | 170 25 -4.4 25.1 9 250 9930 195 31 8.0 29.9 | 167 28 -6.3 27.8 10 200 11440 170 23 -4.0 22.7 | 138 28 -18.4 20.5 11 150 13390 190 35 6.1 34.5 | 166 33 -8.3 32.3 12 100 16100 215 19 10.9 15.6 | 166 14 -3.5 13.4 13 70 18430 235 15 12.3 8.6 | 162 7 -2.1 6.4 14 50 20610 280 15 14.8 -2.6 | 355 5 0.4 -4.8 15 30 23920 115 3 -2.7 1.3 | 87 17 -17.1 -0.9 16 20 26560 215 5 2.9 4.1 | 100 12 -11.5 1.9 17 10 31190 90 1 -1.0 0.0 | 82 16 -15.4 -2.2 Wind Parameters Mean winds (0-6000m): 231.4 at 19.4 knts Storm direction: 261.4 at 14.5 knts Shear (0-3000m) pos: 0.7 neg: 3.4 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 125.5 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -66.1 tot: -66.1 m^2/s^2 ave: -22.0 10^-3 m/s^2 rel: -0.84 Storm rel vorticity (0-3000m) horiz: 6.4 stream: -5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 32.12 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 12 29 6| 0.0 6.3 6.3| 0.0 -9.5 -9.5 -18.9 -0.94| 6.4 -6.0 1000 286 15 2 6| 2.1 3.2 5.3| 0.0 -14.8 -14.8 -14.8 -0.84| 5.4 -4.5 1500 286 17 347 7| 1.4 2.9 4.3| 0.0 -23.6 -23.6 -15.7 -0.78| 5.3 -4.2 2000 281 18 332 6| 1.1 3.1 4.1| 0.0 -38.1 -38.1 -19.0 -0.84| 6.1 -5.1 2500 274 18 311 5| 0.9 3.5 4.3| 0.0 -53.3 -53.3 -21.3 -0.85| 6.6 -5.6 3000 266 19 280 5| 0.7 3.4 4.1| 0.0 -66.1 -66.1 -22.0 -0.84| 6.4 -5.4 4000 252 19 225 6| 0.5 2.9 3.4| 0.0 -82.8 -82.8 -20.7 -0.84| 5.5 -4.6 5000 240 19 197 8| 0.4 2.5 2.9| 0.0-102.1-102.1 -20.4 -0.83| 4.9 -4.1 6000 231 19 185 10| 0.9 2.1 3.0| 26.9-104.2 -77.4 -12.9 -0.63| 4.7 -2.9 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250430.12.gif