UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042800.upa.cvt Date: 0000Z 28 APR 25 Searching for U4908... Searching the city database file for: U4908 ... Date:0000Z 28 APR 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 105 SFC 981 259 0.2 -7.8 55 8.0 -2.5 30 1 274.9 275.2 271.6 280.9 2.16 2 944 566 -1.9 -11.9 46 10.0 -4.9 30 10 275.8 276.0 271.4 280.4 1.62 3 937 625 -1.3 -10.3 50 9.0 -4.2 30 12 277.0 277.3 272.5 282.2 1.86 4 925 728 -1.3 -10.3 50 9.0 -4.2 30 15 278.0 278.3 273.1 283.3 1.88 5 850 1394 -7.7 -16.7 48 9.0 -9.9 10 17 278.1 278.3 272.1 281.6 1.22 6 774 2113 -14.7 -19.5 67 4.8 -15.7 15 19 278.1 278.3 271.8 281.2 1.05 7 758 2271 -15.1 -19.2 71 4.1 -16.0 16 19 279.3 279.5 272.6 282.6 1.10 8 751 2341 -14.7 -19.5 67 4.8 -15.7 16 20 280.5 280.7 273.3 283.7 1.09 9 700 2870 -17.7 -33.7 23 16.0 -19.8 20 21 282.9 282.9 273.4 283.9 0.32 10 699 2881 -17.9 -33.9 23 16.0 -20.0 20 21 282.8 282.8 273.3 283.8 0.31 11 546 4692 -26.7 -48.7 11 22.0 -28.3 358 27 293.0 293.0 278.3 293.3 0.08 12 500 5320 -31.7 -51.7 12 20.0 -32.8 350 29 294.4 294.4 278.9 294.6 0.06 13 486 5521 -33.3 -53.3 12 20.0 -34.3 350 28 294.8 294.8 279.1 295.0 0.06 14 451 6045 -35.7 -54.7 12 19.0 -36.5 350 27 298.2 298.2 280.6 298.4 0.05 15 400 6870 -42.1 -59.1 14 17.0 -42.6 350 25 300.3 300.3 281.5 300.4 0.03 16 376 7286 -44.9 -60.9 15 16.0 -45.3 350 30 301.9 301.9 282.2 302.0 0.03 17 352 7727 -45.9 -60.9 17 15.0 -46.3 350 35 306.3 306.3 284.0 306.4 0.03 18 300 8790 -46.5 -63.5 13 17.0 -46.9 350 33 319.8 319.8 288.7 319.9 0.02 19 250 10000 -45.7 -65.7 9 20.0 -46.3 325 36 338.1 338.1 293.9 338.2 0.02 20 200 11490 -46.3 -69.3 6 23.0 -47.0 325 31 359.5 359.5 298.6 359.5 0.02 21 191 11795 -46.7 -69.7 6 23.0 -47.4 324 31 363.6 363.6 299.4 363.7 0.02 22 174 12411 -47.7 -71.7 5 24.0 -48.4 323 30 371.8 371.8 300.9 371.8 0.01 23 150 13390 -47.3 -72.3 4 25.0 -48.1 320 29 388.6 388.6 303.6 388.6 0.01 24 100 16040 -52.9 -77.9 3 25.0 -53.6 330 31 425.5 425.5 308.3 425.6 0.01 25 92 16575 -52.9 -78.9 3 26.0 -53.6 331 27 435.8 435.8 309.4 435.8 0.01 26 70 18330 -52.5 -78.5 3 26.0 -53.5 335 15 472.1 472.1 312.8 472.1 0.01 27 50 20510 -51.3 -78.3 3 27.0 -52.8 310 3 522.6 522.6 316.5 522.7 0.02 28 30 23820 -51.5 -79.5 2 28.0 -53.7 10 13 604.2 604.3 320.8 604.4 0.02 29 23 25554 -50.3 -78.3 2 28.0 -53.3 53 16 655.5 655.5 322.9 655.8 0.04 30 20 26470 -49.1 -78.1 2 29.0 -52.8 75 17 685.9 685.9 324.0 686.3 0.05 31 15 28374 -45.3 -77.3 2 32.0 -51.2 757.3 757.4 326.1 758.0 0.07 TRP 352 7727 -45.9 -60.9 17 15.0 -46.3 350 35 306.3 306.3 284.0 306.4 0.03 WND Sounding variables and indices 1000-500 mb thick: 5215.00 m Freezing level: 977.48 mb = 288.07 m = 945.11 ft Wetbulb zero: Below ground Precipitable water: 0.17 inches Sfc-500 mean rel hum: 34.13 % Est. max temperature: 3.43 C = 38.17 F Sfc-Lift cond lev (LCL): 865.51 mb = 1251.61 m = 4106.27 ft T: -6.33 C 700-500 lapse rate: 5.71 C/km ThetaE index: 2.16 C Layer 850.0- 758.0 mb Conv cond level (CCL): 792.41 mb = 1932.28 m = 6339.44 ft Mean mixing ratio: 1.78 g/kg Conv temperature: 3.44 C = 38.20 F Cap Strength: 10.14 C Lifted Index: 10.70 C Risk: None Lifted Index @300 mb: 26.87 C Lifted Index @700 mb: 3.55 C Showalter Index: 10.94 C Risk: None Total Totals Index: 39.00 C Risk: None Vertical Totals Index: 24.00 C Cross Totals Index: 15.00 C K Index: -8.70 Risk: None Sweat Index: 63.00 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.17 J/kg Max Up Vert Vel: 6.03 m/s Conv Inhibition (B-): 64305.20 J/kg Cap Strength: 10.59 C Lift Cond Lev (LCL): 807.32 mb = 1789.20 m = 5870.02 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 35 at 16 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 ---------------------------------------------------------- 0 981 259 30 1 -0.5 -0.9 | 215 15 8.8 12.6 1 925 728 30 15 -7.5 -13.0 | 256 2 1.8 0.4 2 850 1394 10 17 -3.0 -16.7 | 297 7 6.4 -3.3 3 700 2870 20 21 -7.2 -19.7 | 341 7 2.1 -6.3 4 500 5320 350 29 5.0 -28.6 | 316 21 14.4 -15.1 5 400 6870 350 25 4.3 -24.6 | 309 18 13.7 -11.2 6 352 7727 350 35 6.1 -34.5 | 324 26 15.4 -21.0 7 300 8790 350 33 5.7 -32.5 | 322 24 15.1 -19.1 8 250 10000 325 36 20.6 -29.5 | 298 34 30.0 -16.1 9 200 11490 325 31 17.8 -25.4 | 294 30 27.1 -12.0 10 150 13390 320 29 18.6 -22.2 | 287 29 28.0 -8.8 11 100 16040 330 31 15.5 -26.8 | 298 28 24.8 -13.4 12 70 18330 335 15 6.3 -13.6 | 271 16 15.7 -0.2 13 50 20510 310 3 2.3 -1.9 | 225 16 11.6 11.5 14 30 23820 10 13 -2.3 -12.8 | 265 7 7.1 0.6 15 20 26470 75 17 -16.4 -4.4 | 142 11 -7.1 9.0 Wind Parameters Mean winds (0-6000m): 4.7 at 21.8 knts Storm direction: 34.7 at 16.4 knts Shear (0-3000m) pos: 0.6 neg: 3.2 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 121.6 deg Storm rel helicity (0-3000m) pos: 15.9 neg: -1.2 tot: 14.7 m^2/s^2 ave: 4.9 10^-3 m/s^2 rel: 0.37 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.64 Bulk Shear: 28.32 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 30 8 220 8| 0.0 14.5 14.5| 5.3 0.0 5.3 10.5 0.25| 14.6 3.7 1000 24 12 241 5| 0.0 8.0 8.0| 6.8 0.0 6.8 6.8 0.29| 9.6 2.8 1500 19 14 266 5| 0.0 5.8 5.8| 9.1 0.0 9.1 6.1 0.32| 7.2 2.3 2000 17 15 281 5| 0.4 4.4 4.8| 12.1 0.0 12.1 6.1 0.37| 5.8 2.1 2500 18 16 293 5| 0.7 3.5 4.2| 15.2 0.0 15.2 6.1 0.42| 5.0 2.1 3000 18 17 303 5| 0.6 3.2 3.8| 15.9 -1.2 14.7 4.9 0.37| 4.6 1.7 4000 15 19 316 7| 0.5 2.9 3.4| 15.9 -7.6 8.3 2.1 0.24| 4.3 1.0 5000 9 21 318 9| 0.4 2.8 3.1| 15.9 -20.9 -5.0 -1.0 0.13| 4.1 0.5 6000 5 22 318 11| 0.3 2.1 2.4| 15.9 -29.4 -13.5 -2.3 0.08| 3.6 0.3 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20250428.00.gif