UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042412.upa.cvt Date: 1200Z 24 APR 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 24 APR 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 1015 58 -0.7 -11.7 43 11.0 -4.0 270 13 271.3 271.5 268.4 275.6 1.53 1 1000 176 -2.3 -14.3 39 12.0 -5.5 260 13 270.9 271.1 267.6 274.4 1.26 2 925 787 -8.3 -17.3 48 9.0 -10.4 260 17 270.8 271.0 267.3 273.8 1.06 3 866 1294 -12.9 -18.9 61 6.0 -14.1 276 22 271.2 271.3 267.4 274.0 0.99 4 850 1436 -13.9 -18.8 66 4.9 -14.9 280 23 271.6 271.8 267.7 274.5 1.02 5 844 1490 -14.3 -19.1 67 4.8 -15.3 281 23 271.7 271.9 267.7 274.6 1.00 6 700 2883 -24.1 -29.0 64 4.9 -24.7 310 36 275.8 275.9 269.5 277.3 0.50 7 697 2914 -24.3 -29.2 64 4.9 -24.9 310 36 275.9 276.0 269.5 277.4 0.49 8 591 4104 -29.7 -34.7 62 5.0 -30.2 313 41 283.0 283.0 273.5 284.0 0.34 9 500 5280 -36.7 -41.5 61 4.8 -37.0 315 46 288.3 288.3 276.1 289.0 0.20 10 425 6378 -45.1 -49.9 58 4.8 -45.3 319 52 291.3 291.3 277.4 291.6 0.09 11 414 6552 -45.7 -50.7 57 5.0 -45.9 319 53 292.7 292.7 278.2 293.0 0.09 12 400 6780 -45.1 -50.1 57 5.0 -45.3 320 54 296.4 296.4 279.8 296.7 0.10 13 382 7089 -45.1 -51.1 51 6.0 -45.3 320 55 300.3 300.3 281.6 300.6 0.09 14 324 8183 -49.1 -58.1 34 9.0 -49.3 320 58 309.3 309.3 285.1 309.4 0.05 15 321 8244 -49.0 -58.1 34 9.1 -49.3 320 60 310.2 310.2 285.5 310.4 0.05 16 300 8690 -48.3 -58.3 31 10.0 -48.6 325 50 317.3 317.3 287.9 317.5 0.05 17 274 9286 -46.9 -58.9 24 12.0 -47.3 320 43 327.6 327.6 291.1 327.8 0.05 18 250 9890 -47.5 -61.5 19 14.0 -47.9 315 36 335.4 335.5 293.2 335.6 0.04 19 218 10803 -45.3 -62.3 13 17.0 -45.9 315 30 352.2 352.3 297.1 352.4 0.04 20 200 11380 -45.5 -63.5 11 18.0 -46.2 315 27 360.7 360.7 298.9 360.9 0.04 21 169 12500 -44.9 -64.9 9 20.0 -45.8 300 23 379.5 379.5 302.2 379.7 0.04 22 150 13290 -47.3 -68.3 7 21.0 -48.1 290 21 388.6 388.6 303.6 388.7 0.03 23 100 15950 -49.9 -71.9 6 22.0 -50.8 285 13 431.3 431.3 309.0 431.4 0.02 24 70 18280 -51.3 -74.3 5 23.0 -52.4 250 13 474.6 474.6 313.0 474.8 0.02 25 50 20460 -51.3 -74.3 5 23.0 -52.7 275 5 522.6 522.6 316.5 522.8 0.03 26 41 21747 -51.9 -74.9 5 23.0 -53.5 223 7 551.6 551.6 318.2 551.8 0.04 27 34 22965 -50.1 -74.1 4 24.0 -52.3 173 8 586.7 586.7 320.0 587.0 0.05 28 30 23780 -51.5 -74.5 5 23.0 -53.7 140 9 604.2 604.3 320.8 604.6 0.05 29 26 24707 -52.3 -75.3 5 23.0 -54.5 144 8 627.2 627.2 321.8 627.6 0.05 30 20 26410 -50.9 -74.9 4 24.0 -54.0 150 5 680.4 680.4 323.8 681.0 0.07 31 19 26745 -49.3 -74.3 4 25.0 -53.0 149 6 695.4 695.4 324.3 696.1 0.09 32 10 30980 -46.7 -72.7 4 26.0 -53.4 135 17 845.2 845.3 328.3 847.4 0.21 33 9.9 31047 -47.5 -73.5 3 26.0 -53.8 844.7 844.8 328.3 846.6 0.19 TRP 324 8183 -49.1 -58.1 34 9.0 -49.3 320 58 309.3 309.3 285.1 309.4 0.05 WND 321 8244 -49.0 -58.1 34 9.1 -49.3 320 60 310.2 310.2 285.5 310.4 0.05 Sounding variables and indices 1000-500 mb thick: 5104.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 59.89 % Est. max temperature: -0.79 C = 30.59 F Sfc-Lift cond lev (LCL): 853.80 mb = 1402.07 m = 4599.91 ft T: -13.66 C 700-500 lapse rate: 5.26 C/km ThetaE index: 1.74 C Layer 1000.0- 866.0 mb Conv cond level (CCL): 787.47 mb = 2006.13 m = 6581.71 ft Mean mixing ratio: 1.18 g/kg Conv temperature: 1.29 C = 34.32 F Cap Strength: 8.19 C Lifted Index: 11.80 C Risk: None Lifted Index @300 mb: 30.55 C Lifted Index @700 mb: 3.01 C Showalter Index: 11.56 C Risk: None Total Totals Index: 40.70 C Risk: None Vertical Totals Index: 22.80 C Cross Totals Index: 17.90 C K Index: -0.90 Risk: None Sweat Index: 92.00 Risk: None Energy Index: 3.01 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.78 J/kg Max Up Vert Vel: 1.25 m/s Conv Inhibition (B-): 67483.11 J/kg Cap Strength: 11.49 C Lift Cond Lev (LCL): 816.86 mb = 1733.20 m = 5686.28 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 336 at 26 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 1015 58 270 13 13.0 -0.0 | 186 23 2.6 23.3 1 1000 176 260 13 12.8 2.3 | 185 26 2.4 25.6 2 925 787 260 17 16.7 3.0 | 193 27 6.3 26.3 3 850 1436 280 23 22.7 -4.0 | 212 23 12.2 19.3 4 700 2883 310 36 27.6 -23.1 | 269 17 17.1 0.2 5 500 5280 315 46 32.5 -32.5 | 293 24 22.1 -9.2 6 400 6780 320 54 34.7 -41.4 | 307 30 24.3 -18.1 7 324 8183 320 58 37.3 -44.4 | 308 34 26.8 -21.1 8 321 8244 320 60 38.6 -46.0 | 309 36 28.1 -22.7 9 300 8690 325 50 28.7 -41.0 | 314 25 18.2 -17.7 10 250 9890 315 36 25.5 -25.5 | 278 15 15.0 -2.1 11 200 11380 315 27 19.1 -19.1 | 244 10 8.6 4.2 12 150 13290 290 21 19.7 -7.2 | 210 19 9.3 16.1 13 100 15950 285 13 12.6 -3.4 | 186 20 2.1 19.9 14 70 18280 250 13 12.2 4.4 | 184 28 1.8 27.8 15 50 20460 275 5 5.0 -0.4 | 167 24 -5.5 22.9 16 30 23780 140 9 -5.8 6.9 | 152 34 -16.2 30.2 17 20 26410 150 5 -2.5 4.3 | 155 31 -12.9 27.6 18 10 30980 135 17 -12.0 12.0 | 148 42 -22.5 35.3 Wind Parameters Mean winds (0-6000m): 305.9 at 34.1 knts Storm direction: 335.9 at 25.5 knts Shear (0-3000m) pos: 5.0 neg: 0.6 tot: 5.6 10-3/s Storm rel Dir Shear (0-3000m): 85.3 deg Storm rel helicity (0-3000m) pos: 182.8 neg: -2.2 tot: 180.7 m^2/s^2 ave: 60.2 10^-3 m/s^2 rel: 0.87 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 5.4 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 89.90 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 ------------------------------------------------------------------------------- 500 261 14 187 26| 0.0 3.6 3.6| 15.7 -2.2 13.6 27.1 0.43| 4.7 2.0 1000 262 16 191 26| 2.4 1.8 4.2| 48.7 -2.2 46.6 46.6 0.69| 4.9 3.4 1500 268 18 197 25| 3.9 1.2 5.1| 88.4 -2.2 86.2 57.5 0.78| 5.7 4.4 2000 275 20 203 24| 4.6 0.9 5.5|122.7 -2.2 120.5 60.3 0.82| 6.0 4.9 2500 282 22 211 22| 5.0 0.7 5.7|157.0 -2.2 154.9 62.0 0.85| 6.3 5.3 3000 289 24 219 20| 5.0 0.6 5.6|182.8 -2.2 180.7 60.2 0.87| 6.2 5.4 4000 297 28 234 18| 4.3 0.5 4.8|200.3 -2.2 198.2 49.5 0.86| 5.2 4.5 5000 302 31 247 17| 3.9 0.4 4.3|219.1 -2.2 216.9 43.4 0.85| 4.6 3.9 6000 306 34 259 17| 3.8 0.3 4.1|246.7 -2.2 244.5 40.8 0.84| 4.3 3.6 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20250424.12.gif