UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050100.upa.cvt Date: 0000Z 1 MAY 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 1 MAY 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 1013 42 -8.1 -10.2 85 2.1 -8.7 170 1 264.1 264.4 263.7 268.7 1.73 1 1000 142 -8.3 -12.9 69 4.6 -9.4 170 5 264.9 265.1 263.7 268.7 1.41 2 986 252 -6.3 -10.6 72 4.3 -7.5 186 5 267.9 268.2 266.4 272.7 1.73 3 925 748 -9.5 -14.1 69 4.6 -10.6 260 7 269.6 269.8 267.0 273.5 1.39 4 850 1395 -14.1 -18.4 70 4.3 -15.0 285 13 271.4 271.5 267.6 274.4 1.05 5 835 1530 -14.7 -19.1 69 4.4 -15.6 285 14 272.1 272.3 268.0 275.0 1.01 6 832 1557 -14.7 -19.2 69 4.5 -15.6 286 15 272.4 272.6 268.2 275.3 1.00 7 704 2812 -17.7 -31.7 28 14.0 -19.7 290 27 282.4 282.5 273.2 283.6 0.38 8 700 2855 -17.9 -32.9 26 15.0 -19.9 290 27 282.7 282.7 273.3 283.7 0.34 9 659 3304 -19.9 -37.9 19 18.0 -22.0 292 33 285.3 285.4 274.6 286.1 0.22 10 595 4054 -24.1 -38.1 26 14.0 -25.6 295 42 288.9 289.0 276.5 289.7 0.24 11 500 5300 -32.1 -45.1 26 13.0 -33.0 300 58 293.9 293.9 278.8 294.4 0.14 12 477 5631 -34.5 -45.4 32 10.9 -35.2 305 62 294.9 294.9 279.3 295.4 0.14 13 438 6222 -38.9 -45.9 48 7.0 -39.3 300 56 296.6 296.7 280.1 297.1 0.14 14 400 6840 -42.5 -51.5 37 9.0 -42.9 295 50 299.8 299.8 281.4 300.1 0.08 15 356 7619 -48.1 -57.1 35 9.0 -48.3 293 48 302.4 302.4 282.4 302.6 0.05 16 309 8548 -51.5 -59.5 38 8.0 -51.7 290 46 310.1 310.1 285.4 310.3 0.04 17 300 8740 -51.1 -60.1 33 9.0 -51.3 290 40 313.3 313.3 286.5 313.5 0.04 18 250 9940 -46.1 -58.1 24 12.0 -46.6 265 25 337.5 337.5 293.7 337.8 0.06 19 224 10672 -44.3 -59.3 17 15.0 -45.0 243 19 351.1 351.1 296.9 351.3 0.06 20 200 11430 -44.9 -62.9 12 18.0 -45.6 220 13 361.7 361.7 299.1 361.9 0.04 21 150 13350 -44.5 -68.5 5 24.0 -45.6 230 13 393.4 393.4 304.3 393.5 0.03 22 119 14895 -46.3 -72.3 4 26.0 -47.4 199 11 417.0 417.0 307.4 417.1 0.02 23 111 15358 -46.1 -72.1 4 26.0 -47.3 189 10 425.8 425.8 308.4 425.9 0.02 24 100 16050 -47.5 -73.5 3 26.0 -48.7 175 9 435.9 436.0 309.5 436.0 0.02 25 91 16674 -49.1 -75.1 3 26.0 -50.2 190 11 444.7 444.7 310.4 444.8 0.02 26 88 16896 -48.3 -75.3 3 27.0 -49.5 195 11 450.6 450.6 310.9 450.7 0.02 27 70 18400 -51.1 -77.1 3 26.0 -52.2 230 15 475.1 475.1 313.1 475.2 0.02 28 50 20580 -51.3 -78.3 3 27.0 -52.8 265 7 522.6 522.6 316.5 522.7 0.02 29 43 21286 -52.3 -79.3 2 27.0 -53.8 543.2 543.2 317.7 543.3 0.02 30 41 21517 -51.9 -78.9 3 27.0 -53.5 551.6 551.6 318.2 551.7 0.02 31 20 25080 -77.9 597.7 TRP 309 8548 -51.5 -59.5 38 8.0 -51.7 290 46 310.1 310.1 285.4 310.3 0.04 WND 477 5631 -34.5 -45.4 32 10.9 -35.2 305 62 294.9 294.9 279.3 295.4 0.14 Sounding variables and indices 1000-500 mb thick: 5158.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 42.91 % Est. max temperature: -1.09 C = 30.05 F Sfc-Lift cond lev (LCL): 979.52 mb = 303.05 m = 994.26 ft T: -6.63 C 700-500 lapse rate: 5.81 C/km ThetaE index: 0.03 C Layer 1000.0- 986.0 mb Conv cond level (CCL): 853.96 mb = 1359.48 m = 4460.19 ft Mean mixing ratio: 1.54 g/kg Conv temperature: -0.87 C = 30.44 F Cap Strength: 14.96 C Lifted Index: 17.98 C Risk: None Lifted Index @300 mb: 29.10 C Lifted Index @700 mb: 10.79 C Showalter Index: 16.28 C Risk: None Total Totals Index: 31.70 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 13.70 C K Index: -15.40 Risk: None Sweat Index: 84.00 Risk: None Energy Index: 4.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.88 J/kg Max Up Vert Vel: 6.31 m/s Conv Inhibition (B-): 52837.96 J/kg Cap Strength: 17.71 C Lift Cond Lev (LCL): 897.99 mb = 974.74 m = 3197.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 326 at 24 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 1013 42 170 1 -0.2 1.0 | 147 25 -13.7 20.7 1 1000 142 170 5 -0.9 4.9 | 150 28 -14.3 24.6 2 925 748 260 7 6.9 1.2 | 163 22 -6.6 20.9 3 850 1395 285 13 12.6 -3.4 | 177 16 -0.9 16.3 4 700 2855 290 27 25.4 -9.2 | 229 16 11.9 10.4 5 500 5300 300 58 50.2 -29.0 | 284 38 36.8 -9.3 6 477 5631 305 62 50.8 -35.6 | 293 41 37.3 -15.9 7 400 6840 295 50 45.3 -21.1 | 273 32 31.8 -1.5 8 309 8548 290 46 43.2 -15.7 | 262 30 29.7 3.9 9 300 8740 290 40 37.6 -13.7 | 256 25 24.1 6.0 10 250 9940 265 25 24.9 2.2 | 208 25 11.4 21.9 11 200 11430 220 13 8.4 10.0 | 170 30 -5.1 29.6 12 150 13350 230 13 10.0 8.4 | 173 28 -3.5 28.0 13 100 16050 175 9 -0.8 9.0 | 154 32 -14.3 28.6 14 70 18400 230 15 11.5 9.6 | 176 29 -2.0 29.3 15 50 20580 265 7 7.0 0.6 | 162 21 -6.5 20.3 Wind Parameters Mean winds (0-6000m): 295.6 at 31.8 knts Storm direction: 325.6 at 23.8 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 89.9 deg Storm rel helicity (0-3000m) pos: 142.5 neg: 0.0 tot: 142.5 m^2/s^2 ave: 47.5 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 4.8 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.14 Bulk Shear: 142.08 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 ------------------------------------------------------------------------------- 500 199 5 154 27| 6.0 0.0 6.0| 45.7 0.0 45.7 91.5 0.64| 10.3 6.5 1000 241 6 161 24| 5.1 0.0 5.1| 65.8 0.0 65.8 65.8 0.59| 8.6 5.1 1500 265 8 166 21| 5.1 0.0 5.1| 83.2 0.0 83.2 55.5 0.61| 7.7 4.7 2000 274 10 171 19| 5.1 0.0 5.1|102.1 0.0 102.1 51.1 0.67| 7.0 4.7 2500 280 13 177 18| 5.0 0.0 5.0|121.0 0.0 121.0 48.4 0.72| 6.6 4.8 3000 283 15 184 16| 5.1 0.0 5.1|142.5 0.0 142.5 47.5 0.75| 6.4 4.8 4000 288 20 202 15| 5.5 0.0 5.5|196.6 0.0 196.6 49.1 0.76| 6.5 4.9 5000 292 26 227 15| 5.7 0.0 5.7|260.3 0.0 260.3 52.1 0.73| 6.5 4.8 6000 296 32 249 16| 5.3 0.3 5.6|340.3 -44.2 296.1 49.4 0.64| 6.7 4.3 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20250501.00.gif