UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102300.upa.cvt Date: 0000Z 23 OCT 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 23 OCT 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 1016 60 -0.9 -3.0 86 2.1 -1.7 315 5 271.0 271.5 270.6 279.2 3.01 1 1000 186 -2.1 -4.6 83 2.5 -3.0 245 13 271.0 271.5 270.2 278.4 2.71 2 952 575 -4.9 -7.0 85 2.1 -5.6 236 24 272.1 272.4 270.2 278.6 2.37 3 925 801 -4.3 -6.1 87 1.8 -4.9 230 31 274.9 275.3 272.4 282.1 2.62 4 850 1466 -5.5 -7.1 88 1.6 -6.1 255 35 280.4 280.8 275.5 287.9 2.64 5 837 1587 -5.5 -7.1 88 1.6 -6.1 256 35 281.6 282.1 276.3 289.2 2.68 6 700 2970 -13.1 -15.6 81 2.5 -13.7 270 38 288.0 288.3 278.0 292.8 1.62 7 590 4251 -21.1 -23.9 78 2.8 -21.6 273 41 293.1 293.3 279.6 296.1 0.94 8 502 5422 -29.9 -32.9 75 3.0 -30.3 275 44 296.2 296.3 280.4 297.8 0.48 9 500 5450 -30.1 -33.1 75 3.0 -30.4 275 44 296.3 296.4 280.4 297.9 0.47 10 460 6038 -33.5 -36.6 74 3.1 -33.8 282 47 299.2 299.3 281.5 300.5 0.36 11 400 7000 -41.3 -44.5 71 3.2 -41.5 295 52 301.3 301.3 282.1 302.0 0.18 12 368 7562 -46.1 -49.4 69 3.3 -46.2 298 60 302.2 302.2 282.4 302.6 0.11 13 300 8900 -54.5 -57.9 66 3.4 -54.6 305 81 308.5 308.5 284.8 308.7 0.05 14 276 9425 -58.0 -61.5 64 3.5 -58.1 305 91 310.8 310.9 285.7 311.0 0.04 15 268 9608 -59.3 -62.8 64 3.5 -59.3 310 89 311.6 311.7 285.9 311.8 0.03 16 250 10040 -59.1 -62.7 63 3.6 -59.2 310 81 318.2 318.2 288.2 318.3 0.03 17 240 10298 -58.9 -62.5 63 3.6 -59.0 309 75 322.2 322.2 289.5 322.4 0.04 18 200 11460 -55.7 -59.3 64 3.6 -55.8 305 48 344.6 344.6 295.5 344.8 0.06 19 191 11753 -54.7 -58.6 62 3.9 -54.8 306 46 350.7 350.7 296.8 351.0 0.07 20 150 13290 -55.3 -59.6 59 4.3 -55.5 310 33 374.8 374.8 301.5 375.2 0.08 21 132 14108 -54.3 -59.2 55 4.9 -54.5 305 29 390.5 390.6 303.9 391.0 0.10 22 100 15880 -56.7 -62.7 47 6.0 -56.9 295 19 418.2 418.2 307.6 418.6 0.08 23 70 18120 -60.3 -67.3 39 7.0 -60.6 300 13 455.4 455.4 311.4 455.7 0.06 24 67 18392 -61.1 -68.1 39 7.0 -61.3 299 14 459.4 459.4 311.7 459.7 0.06 25 57 19401 -58.7 -65.7 40 7.0 -59.0 294 18 486.6 486.6 314.0 487.2 0.10 26 50 20220 -60.7 -68.7 34 8.0 -61.0 290 21 500.4 500.5 315.0 500.9 0.07 27 41 21451 -62.1 -70.1 34 8.0 -62.4 280 22 526.2 526.2 316.7 526.7 0.07 28 36 22261 -58.9 -66.9 35 8.0 -59.5 274 22 554.4 554.4 318.4 555.3 0.13 29 30 23400 -60.9 -68.9 34 8.0 -61.4 265 23 578.6 578.7 319.6 579.5 0.12 30 26 24287 -62.7 -71.7 29 9.0 -63.3 597.7 597.7 320.5 598.4 0.09 31 20 25920 -59.1 -69.1 26 10.0 -60.2 655.3 655.3 322.9 656.7 0.17 32 19 26242 -58.9 -68.9 26 10.0 -60.0 665.6 665.7 323.3 667.1 0.19 TRP 268 9608 -59.3 -62.8 64 3.5 -59.3 310 89 311.6 311.7 285.9 311.8 0.03 WND 276 9425 -58.0 -61.5 64 3.5 -58.1 305 91 310.8 310.9 285.7 311.0 0.04 Sounding variables and indices 1000-500 mb thick: 5264.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.41 inches Sfc-500 mean rel hum: 82.15 % Est. max temperature: 7.29 C = 45.12 F Sfc-Lift cond lev (LCL): 983.06 mb = 321.02 m = 1053.19 ft T: -3.07 C 700-500 lapse rate: 6.85 C/km ThetaE index: 0.74 C Layer 1000.0- 952.0 mb Conv cond level (CCL): 780.54 mb = 2127.34 m = 6979.37 ft Mean mixing ratio: 2.58 g/kg Conv temperature: 12.26 C = 54.06 F Cap Strength: 14.20 C Lifted Index: 14.26 C Risk: None Lifted Index @300 mb: 20.66 C Lifted Index @700 mb: 10.00 C Showalter Index: 7.73 C Risk: None Total Totals Index: 47.60 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.60 C Cross Totals Index: 23.00 C K Index: 15.00 Risk: < 20 % chance of thunderstorms Sweat Index: 114.00 Risk: None Energy Index: 2.09 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 17.36 J/kg Max Up Vert Vel: 5.89 m/s Conv Inhibition (B-): 52768.91 J/kg Cap Strength: 14.21 C Lift Cond Lev (LCL): 932.63 mb = 736.39 m = 2415.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 28 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 1016 60 315 5 3.5 -3.5 | 112 23 -21.4 8.7 1 1000 186 245 13 11.8 5.5 | 144 22 -13.1 17.7 2 925 801 230 31 23.7 19.9 | 178 32 -1.1 32.2 3 850 1466 255 35 33.8 9.1 | 203 23 8.9 21.3 4 700 2970 270 38 38.0 -0.0 | 227 18 13.1 12.3 5 500 5450 275 44 43.8 -3.8 | 246 21 18.9 8.4 6 400 7000 295 52 47.1 -22.0 | 294 24 22.2 -9.7 7 300 8900 305 81 66.4 -46.5 | 310 54 41.5 -34.2 8 276 9425 305 91 74.5 -52.2 | 309 64 49.6 -39.9 9 268 9608 310 89 68.2 -57.2 | 316 62 43.3 -45.0 10 250 10040 310 81 62.0 -52.1 | 317 54 37.2 -39.8 11 200 11460 305 48 39.3 -27.5 | 317 21 14.4 -15.3 12 150 13290 310 33 25.3 -21.2 | 358 9 0.4 -9.0 13 100 15880 295 19 17.2 -8.0 | 119 9 -7.7 4.2 14 70 18120 300 13 11.3 -6.5 | 113 15 -13.6 5.8 15 50 20220 290 21 19.7 -7.2 | 134 7 -5.2 5.1 16 30 23400 265 23 22.9 2.0 | 172 14 -2.0 14.3 Wind Parameters Mean winds (0-6000m): 266.2 at 37.0 knts Storm direction: 296.2 at 27.7 knts Shear (0-3000m) pos: 3.9 neg: 4.0 tot: 7.9 10-3/s Storm rel Dir Shear (0-3000m): 115.5 deg Storm rel helicity (0-3000m) pos: 295.1 neg: 0.0 tot: 295.1 m^2/s^2 ave: 98.4 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 9.6 stream: 8.1 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 0.24 Bulk Shear: 71.83 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 ------------------------------------------------------------------------------- 500 242 16 152 23| 0.0 24.2 24.2|126.3 0.0 126.3 252.7 0.91| 24.7 22.5 1000 236 23 167 26| 4.5 12.1 16.6|197.3 0.0 197.3 197.3 0.85| 18.7 15.9 1500 242 27 177 25| 5.2 8.1 13.2|250.8 0.0 250.8 167.2 0.84| 15.9 13.3 2000 247 29 184 24| 4.5 6.0 10.6|266.6 0.0 266.6 133.3 0.84| 12.7 10.7 2500 251 30 190 23| 4.2 4.8 9.0|281.8 0.0 281.8 112.7 0.84| 10.9 9.1 3000 255 32 195 21| 3.9 4.0 7.9|295.1 0.0 295.1 98.4 0.84| 9.6 8.1 4000 259 34 204 20| 3.3 3.0 6.3|307.9 0.0 307.9 77.0 0.85| 7.6 6.4 5000 263 35 212 19| 2.9 2.4 5.3|321.2 0.0 321.2 64.2 0.85| 6.3 5.4 6000 266 37 219 19| 3.0 2.0 5.1|365.0 0.0 365.0 60.8 0.86| 6.0 5.2 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251023.00.gif