UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042012.upa.cvt Date: 1200Z 20 APR 25 Searching for U3472... Searching the city database file for: U3472 ... Date:1200Z 20 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 12 125 5 SFC 996 44 -2.1 -11.1 50 9.0 -4.8 125 5 271.4 271.6 268.6 275.9 1.64 2 925 626 -6.9 -15.9 49 9.0 -9.1 155 25 272.3 272.5 268.4 275.6 1.19 3 850 1278 -13.1 -19.1 61 6.0 -14.3 165 29 272.4 272.6 268.2 275.3 0.99 4 834 1422 -13.9 -18.9 66 5.0 -14.9 167 28 273.1 273.2 268.7 276.0 1.03 5 822 1533 -13.5 -18.1 68 4.6 -14.5 168 28 274.6 274.8 269.8 277.8 1.12 6 777 1959 -15.9 -22.9 55 7.0 -17.1 174 25 276.5 276.6 270.4 278.8 0.78 7 700 2739 -19.7 -31.7 34 12.0 -21.3 185 21 280.7 280.7 272.2 281.9 0.38 8 673 3030 -20.3 -37.3 20 17.0 -22.2 185 21 283.2 283.2 273.4 283.9 0.23 9 656 3219 -21.9 -39.9 18 18.0 -23.7 185 22 283.4 283.5 273.5 284.0 0.18 10 538 4647 -31.9 -44.9 26 13.0 -32.7 185 24 288.0 288.1 275.9 288.5 0.13 11 500 5160 -35.1 -47.1 28 12.0 -35.8 185 25 290.2 290.3 277.0 290.6 0.11 12 400 6700 -42.5 -48.5 52 6.0 -42.8 270 11 299.8 299.8 281.4 300.2 0.12 13 381 7025 -44.5 -50.5 51 6.0 -44.7 283 11 301.3 301.3 282.0 301.7 0.10 14 304 8496 -54.7 -60.7 47 6.0 -54.8 345 9 307.1 307.1 284.2 307.2 0.04 15 300 8580 -54.1 -60.1 48 6.0 -54.2 345 9 309.1 309.1 285.0 309.2 0.04 16 297 8645 -53.3 -59.3 48 6.0 -53.4 341 9 311.1 311.1 285.8 311.3 0.04 17 287 8867 -52.3 -58.3 48 6.0 -52.4 328 9 315.6 315.6 287.3 315.8 0.05 18 264 9412 -50.3 -56.3 49 6.0 -50.5 296 8 326.2 326.2 290.7 326.4 0.07 19 250 9770 -49.3 -56.3 44 7.0 -49.6 275 7 332.8 332.8 292.6 333.1 0.07 20 244 9929 -47.1 -54.1 45 7.0 -47.4 277 7 338.4 338.4 294.0 338.8 0.10 21 200 11240 -46.5 -58.5 24 12.0 -47.0 290 7 359.1 359.2 298.6 359.5 0.07 22 172 12243 -47.1 -62.1 16 15.0 -47.7 295 9 374.0 374.0 301.3 374.2 0.05 23 150 13150 -47.7 -64.7 12 17.0 -48.4 300 11 387.9 387.9 303.5 388.1 0.04 24 100 15820 -48.3 -68.3 8 20.0 -49.3 275 7 434.4 434.4 309.3 434.6 0.04 25 78 17460 -47.5 -69.5 6 22.0 -48.9 219 13 468.1 468.1 312.5 468.3 0.04 26 72 17986 -50.5 -71.5 7 21.0 -51.6 201 14 472.5 472.5 312.8 472.7 0.03 27 70 18170 -49.7 -70.7 7 21.0 -51.0 195 15 478.1 478.1 313.3 478.3 0.04 28 50 20372 -49.7 -71.7 6 22.0 -51.4 526.4 526.4 316.7 526.7 0.05 TRP 304 8496 -54.7 -60.7 47 6.0 -54.8 345 9 307.1 307.1 284.2 307.2 0.04 WND Sounding variables and indices 1000-500 mb thick: 5148.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 38.45 % Est. max temperature: -0.88 C = 30.42 F Sfc-Lift cond lev (LCL): 864.26 mb = 1149.70 m = 3771.93 ft T: -11.88 C 700-500 lapse rate: 6.36 C/km ThetaE index: 0.66 C Layer 925.0- 834.0 mb Conv cond level (CCL): 753.84 mb = 2184.93 m = 7168.33 ft Mean mixing ratio: 1.34 g/kg Conv temperature: 4.24 C = 39.64 F Cap Strength: 10.74 C Lifted Index: 12.19 C Risk: None Lifted Index @300 mb: 23.63 C Lifted Index @700 mb: 6.24 C Showalter Index: 12.58 C Risk: None Total Totals Index: 38.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 16.00 C K Index: -9.10 Risk: None Sweat Index: 83.00 Risk: None Energy Index: 3.25 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.17 J/kg Max Up Vert Vel: 2.52 m/s Conv Inhibition (B-): 38328.20 J/kg Cap Strength: 12.10 C Lift Cond Lev (LCL): 822.62 mb = 1526.82 m = 5009.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 209 at 17 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 44 125 5 -4.1 2.9 | 46 17 -12.5 -12.1 1 925 626 155 25 -10.6 22.7 | 112 20 -19.0 7.7 2 850 1278 165 29 -7.5 28.0 | 129 21 -15.9 13.1 3 700 2739 185 21 1.8 20.9 | 132 9 -6.6 6.0 4 500 5160 185 25 2.2 24.9 | 148 12 -6.2 10.0 5 400 6700 270 11 11.0 -0.0 | 350 15 2.6 -15.0 6 304 8496 345 9 2.3 -8.7 | 14 24 -6.1 -23.6 7 300 8580 345 9 2.3 -8.7 | 14 24 -6.1 -23.6 8 250 9770 275 7 7.0 -0.6 | 5 16 -1.4 -15.6 9 200 11240 290 7 6.6 -2.4 | 6 17 -1.8 -17.3 10 150 13150 300 11 9.5 -5.5 | 357 20 1.1 -20.5 11 100 15820 275 7 7.0 -0.6 | 5 16 -1.4 -15.6 12 70 18170 195 15 3.9 14.5 | 84 5 -4.5 -0.5 Wind Parameters Mean winds (0-6000m): 179.3 at 22.9 knts Storm direction: 209.3 at 17.1 knts Shear (0-3000m) pos: 3.3 neg: 0.0 tot: 3.3 10-3/s Storm rel Dir Shear (0-3000m): 88.8 deg Storm rel helicity (0-3000m) pos: 145.3 neg: -0.7 tot: 144.6 m^2/s^2 ave: 48.2 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.9 stream: 5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.14 Bulk Shear: 22.52 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 ------------------------------------------------------------------------------- 500 149 14 78 16| 18.3 0.0 18.3| 87.7 0.0 87.7 175.3 0.99| 18.9 18.7 1000 155 20 100 17| 12.2 0.0 12.2|125.8 0.0 125.8 125.8 0.99| 13.2 13.0 1500 159 23 111 18| 8.3 0.0 8.3|141.1 0.0 141.1 94.1 0.94| 10.3 9.7 2000 163 23 116 17| 5.6 0.0 5.6|144.0 0.0 144.0 72.0 0.84| 8.8 7.4 2500 166 24 119 16| 4.1 0.0 4.1|144.4 -0.2 144.2 57.7 0.76| 7.8 5.9 3000 168 23 121 15| 3.3 0.0 3.3|145.3 -0.7 144.6 48.2 0.73| 6.9 5.0 4000 172 23 124 14| 2.5 0.2 2.7|148.4 -0.7 147.7 36.9 0.73| 5.4 3.9 5000 175 23 128 13| 2.0 0.3 2.3|151.5 -0.7 150.8 30.2 0.72| 4.5 3.2 6000 179 23 132 12| 1.5 0.3 1.8|173.4 -0.7 172.8 28.8 0.73| 5.4 4.0 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250420.12.gif