UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025050112.upa.cvt Date: 1200Z 1 MAY 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 1 MAY 25 Station: U3884 WMO ident: 23884 Latitude: 61.60 Longitude: 90.00 ------------------------------------------------------------------------------- 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 1012 57 10.4 0.4 50 10.0 5.8 110 1 282.6 283.3 278.4 293.5 3.89 1 1000 156 9.8 -1.2 46 11.0 4.9 155 7 283.0 283.6 278.0 292.8 3.50 2 925 796 4.0 -4.0 56 8.0 0.7 220 21 283.4 283.9 277.7 292.1 3.07 3 850 1475 -2.3 -6.8 71 4.5 -4.0 245 21 283.7 284.2 277.4 291.5 2.70 4 835 1616 -3.5 -7.5 74 4.0 -4.9 246 22 283.9 284.4 277.3 291.4 2.60 5 797 1983 -5.9 -9.4 76 3.5 -7.1 248 24 285.2 285.6 277.6 292.0 2.35 6 700 2987 -12.3 -17.3 66 5.0 -13.6 255 29 288.9 289.1 278.2 293.1 1.40 7 687 3130 -13.1 -18.1 66 5.0 -14.3 256 29 289.5 289.8 278.4 293.6 1.34 8 562 4620 -25.1 -30.1 63 5.0 -25.8 265 28 292.5 292.6 278.7 294.3 0.56 9 505 5389 -28.9 -33.4 65 4.5 -29.5 270 27 297.0 297.0 280.7 298.5 0.45 10 500 5460 -29.5 -33.9 66 4.4 -30.0 270 27 297.1 297.2 280.7 298.5 0.43 11 400 7020 -41.3 -45.8 62 4.5 -41.5 280 35 301.3 301.3 282.1 301.9 0.16 12 300 8910 -55.7 -60.6 54 4.9 -55.8 275 36 306.8 306.8 284.2 307.0 0.04 13 250 10070 -53.7 -59.7 48 6.0 -53.8 280 31 326.2 326.2 290.7 326.4 0.05 14 228 10664 -52.9 -58.9 48 6.0 -53.1 278 31 336.2 336.2 293.4 336.4 0.06 15 218 10955 -49.7 -56.7 44 7.0 -50.0 277 31 345.4 345.5 295.7 345.8 0.08 16 200 11520 -49.5 -58.5 34 9.0 -49.8 275 31 354.4 354.4 297.6 354.7 0.07 17 150 13400 -49.7 -63.7 18 14.0 -50.3 285 23 384.4 384.4 303.0 384.7 0.05 18 100 16070 -48.5 -67.5 9 19.0 -49.5 285 13 434.0 434.0 309.3 434.3 0.04 19 72 18208 -53.3 -73.3 7 20.0 -54.1 280 11 466.6 466.6 312.4 466.7 0.03 20 70 18390 -51.5 -72.5 6 21.0 -52.5 280 11 474.2 474.2 313.0 474.4 0.03 21 50 20560 -52.5 -73.5 6 21.0 -53.8 245 5 519.8 519.8 316.3 520.0 0.04 22 30 23850 -53.9 -75.9 5 22.0 -55.6 35 3 597.7 597.7 320.5 598.0 0.04 23 20 26460 -52.5 -74.5 5 22.0 -55.2 125 3 675.5 675.5 323.6 676.1 0.08 24 12 29805 -46.7 -70.7 5 24.0 -52.6 802.3 802.4 327.4 804.6 0.23 TRP 300 8910 -55.7 -60.6 54 4.9 -55.8 275 36 306.8 306.8 284.2 307.0 0.04 WND Sounding variables and indices 1000-500 mb thick: 5304.00 m Freezing level: 877.38 mb = 1227.11 m = 4025.91 ft Wetbulb zero: 913.43 mb = 897.04 m = 2943.02 ft Precipitable water: 0.42 inches Sfc-500 mean rel hum: 64.76 % Est. max temperature: 11.51 C = 52.72 F Sfc-Lift cond lev (LCL): 868.86 mb = 1298.75 m = 4260.93 ft T: -0.66 C 700-500 lapse rate: 6.96 C/km ThetaE index: 2.10 C Layer 1000.0- 797.0 mb Conv cond level (CCL): 814.96 mb = 1807.21 m = 5929.08 ft Mean mixing ratio: 3.30 g/kg Conv temperature: 12.39 C = 54.31 F Cap Strength: 4.83 C Lifted Index: 4.87 C Risk: None Lifted Index @300 mb: 10.20 C Lifted Index @700 mb: 1.68 C Showalter Index: 5.61 C Risk: None Total Totals Index: 49.90 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 27.20 C Cross Totals Index: 22.70 C K Index: 15.40 Risk: < 20 % chance of thunderstorms Sweat Index: 164.83 Risk: None Energy Index: 1.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.36 J/kg Max Up Vert Vel: 1.65 m/s Conv Inhibition (B-): 67819.55 J/kg Cap Strength: 4.83 C Lift Cond Lev (LCL): 832.07 mb = 1643.71 m = 5392.69 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 285 at 19 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 1012 57 110 1 -0.9 0.3 | 105 20 -18.9 5.2 1 1000 156 155 7 -3.0 6.3 | 118 24 -20.9 11.2 2 925 796 220 21 13.5 16.1 | 168 21 -4.5 20.9 3 850 1475 245 21 19.0 8.9 | 184 14 1.1 13.7 4 700 2987 255 29 28.0 7.5 | 219 16 10.1 12.4 5 500 5460 270 27 27.0 -0.0 | 242 10 9.0 4.9 6 400 7020 280 35 34.5 -6.1 | 274 17 16.5 -1.2 7 300 8910 275 36 35.9 -3.1 | 265 18 17.9 1.7 8 250 10070 280 31 30.5 -5.4 | 272 13 12.6 -0.5 9 200 11520 275 31 30.9 -2.7 | 261 13 12.9 2.2 10 150 13400 285 23 22.2 -6.0 | 284 4 4.3 -1.1 11 100 16070 285 13 12.6 -3.4 | 105 6 -5.4 1.5 12 70 18390 280 11 10.8 -1.9 | 112 8 -7.1 2.9 13 50 20560 245 5 4.5 2.1 | 117 15 -13.4 7.0 14 30 23850 35 3 -1.7 -2.5 | 97 20 -19.7 2.4 15 20 26460 125 3 -2.5 1.7 | 108 21 -20.4 6.6 Wind Parameters Mean winds (0-6000m): 255.1 at 24.8 knts Storm direction: 285.1 at 18.6 knts Shear (0-3000m) pos: 5.1 neg: 0.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 114.3 deg Storm rel helicity (0-3000m) pos: 215.9 neg: 0.0 tot: 215.9 m^2/s^2 ave: 72.0 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 7.9 stream: 6.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 76.74 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 ------------------------------------------------------------------------------- 500 181 10 130 23| 16.2 0.0 16.2|103.7 0.0 103.7 207.3 0.91| 18.9 17.1 1000 212 15 150 20| 11.1 0.0 11.1|168.4 0.0 168.4 168.4 0.89| 16.0 14.2 1500 223 17 160 18| 7.6 0.0 7.6|182.9 0.0 182.9 121.9 0.84| 12.7 10.7 2000 231 18 168 17| 6.4 0.0 6.4|193.7 0.0 193.7 96.9 0.85| 10.3 8.7 2500 237 20 175 16| 5.7 0.0 5.7|205.1 0.0 205.1 82.0 0.86| 8.9 7.6 3000 241 21 182 15| 5.1 0.0 5.1|215.9 0.0 215.9 72.0 0.86| 7.9 6.8 4000 247 23 193 14| 3.7 0.0 3.7|223.6 0.0 223.6 55.9 0.85| 6.3 5.3 5000 251 24 201 14| 2.9 0.0 2.9|230.3 0.0 230.3 46.1 0.84| 5.4 4.5 6000 255 25 208 13| 2.7 0.0 2.7|241.4 0.0 241.4 40.2 0.83| 4.9 4.1 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250501.12.gif