UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120912.upa.cvt Date: 1200Z 9 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:1200Z 9 DEC 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 1027 59 -29.7 -34.3 64 4.6 -30.0 250 5 241.6 241.6 241.4 242.2 0.20 1 1000 248 -31.7 -36.7 61 5.0 -32.0 210 9 241.4 241.5 241.2 241.9 0.16 2 988 333 -31.9 -36.8 62 4.9 -32.1 222 11 242.1 242.1 241.8 242.5 0.16 3 971 457 -28.1 -33.0 63 4.9 -28.5 238 15 247.1 247.2 246.6 247.8 0.24 4 965 502 -22.7 -27.6 64 4.9 -23.2 244 16 253.0 253.1 252.2 254.1 0.41 5 942 680 -20.5 -24.3 72 3.8 -21.0 267 21 257.0 257.1 255.9 258.6 0.57 6 933 752 -14.5 -18.2 73 3.7 -15.2 277 23 263.8 264.0 262.2 266.5 0.98 7 925 817 -14.7 -18.2 75 3.5 -15.4 285 25 264.3 264.4 262.5 267.0 0.98 8 850 1453 -17.7 -21.3 73 3.6 -18.3 300 29 267.6 267.7 264.6 269.9 0.82 9 780 2093 -20.1 -25.1 64 5.0 -20.8 300 30 271.7 271.8 267.1 273.6 0.64 10 700 2886 -25.3 -31.3 57 6.0 -25.9 300 31 274.5 274.5 268.4 275.7 0.40 11 569 4357 -34.9 -39.4 63 4.5 -35.2 306 32 279.9 280.0 271.5 280.6 0.22 12 524 4928 -37.1 -41.1 66 4.0 -37.4 309 33 284.0 284.0 273.8 284.6 0.20 13 500 5250 -39.9 -44.1 64 4.2 -40.1 310 33 284.4 284.4 273.9 284.9 0.15 14 400 6740 -51.7 -56.0 60 4.3 -51.8 310 38 287.8 287.8 275.6 288.0 0.05 15 391 6887 -52.9 -57.3 59 4.4 -53.0 312 38 288.1 288.1 275.7 288.3 0.04 16 310 8357 -60.3 -64.5 58 4.2 -60.3 328 40 297.5 297.5 280.3 297.6 0.02 17 300 8560 -61.9 -66.3 56 4.4 -61.9 330 40 298.1 298.1 280.5 298.1 0.02 18 253 9589 -69.1 -73.5 53 4.4 -69.1 330 42 302.3 302.3 282.3 302.3 0.01 19 250 9660 -68.9 -73.4 52 4.5 -68.9 330 42 303.6 303.6 282.8 303.7 0.01 20 230 10159 -69.3 -73.7 53 4.4 -69.3 324 39 310.4 310.4 285.5 310.4 0.01 21 200 11000 -66.1 -70.4 55 4.3 -66.1 315 35 328.1 328.1 291.2 328.1 0.01 22 158 12441 -63.3 -68.1 52 4.8 -63.4 315 28 355.7 355.7 297.8 355.8 0.03 23 150 12760 -64.5 -69.1 53 4.6 -64.6 315 27 359.0 359.0 298.5 359.1 0.02 24 100 15230 -66.5 -71.5 49 5.0 -66.5 300 21 399.2 399.2 305.1 399.4 0.02 25 70 17380 -68.9 -74.9 42 6.0 -69.0 275 25 437.0 437.0 309.6 437.1 0.02 26 50 19380 -71.3 -77.3 40 6.0 -71.4 270 27 475.5 475.5 313.1 475.6 0.02 27 37 21148 -74.1 -80.1 39 6.0 -74.2 511.0 511.0 315.7 511.2 0.02 TRP 253 9589 -69.1 -73.5 53 4.4 -69.1 330 42 302.3 302.3 282.3 302.3 0.01 WND Sounding variables and indices 1000-500 mb thick: 5002.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 64.64 % Est. max temperature: -4.74 C = 23.47 F Sfc-Lift cond lev (LCL): 949.91 mb = 618.24 m = 2028.31 ft T: -21.26 C 700-500 lapse rate: 6.18 C/km ThetaE index: 0.25 C Layer 1000.0- 988.0 mb Conv cond level (CCL): 1000.00 mb = 248.00 m = 813.64 ft Mean mixing ratio: 0.37 g/kg Conv temperature: -26.43 C = -15.57 F Cap Strength: 28.30 C Lifted Index: 28.28 C Risk: None Lifted Index @300 mb: 34.12 C Lifted Index @700 mb: 22.32 C Showalter Index: 12.05 C Risk: None Total Totals Index: 40.80 C Risk: None Vertical Totals Index: 22.20 C Cross Totals Index: 18.60 C K Index: -5.10 Risk: None Sweat Index: 91.00 Risk: None Energy Index: 3.13 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 103.47 J/kg Max Up Vert Vel: 14.39 m/s Conv Inhibition (B-): 42637.41 J/kg Cap Strength: 28.31 C Lift Cond Lev (LCL): 933.83 mb = 745.08 m = 2444.47 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 331 at 22 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 1027 59 250 5 4.7 1.7 | 165 22 -5.7 20.9 1 1000 248 210 9 4.5 7.8 | 168 28 -5.9 27.0 2 925 817 285 25 24.1 -6.5 | 227 19 13.7 12.7 3 850 1453 300 29 25.1 -14.5 | 252 15 14.7 4.7 4 700 2886 300 31 26.8 -15.5 | 257 17 16.4 3.7 5 500 5250 310 33 25.3 -21.2 | 278 15 14.8 -2.0 6 400 6740 310 38 29.1 -24.4 | 286 19 18.7 -5.2 7 300 8560 330 40 20.0 -34.6 | 328 18 9.6 -15.4 8 253 9589 330 42 21.0 -36.4 | 328 20 10.6 -17.2 9 250 9660 330 42 21.0 -36.4 | 328 20 10.6 -17.2 10 200 11000 315 35 24.7 -24.7 | 291 15 14.3 -5.5 11 150 12760 315 27 19.1 -19.1 | 269 9 8.6 0.1 12 100 15230 300 21 18.2 -10.5 | 222 12 7.7 8.7 13 70 17380 275 25 24.9 -2.2 | 220 22 14.5 17.0 14 50 19380 270 27 27.0 -0.0 | 221 25 16.6 19.2 Wind Parameters Mean winds (0-6000m): 301.5 at 29.2 knts Storm direction: 331.5 at 21.9 knts Shear (0-3000m) pos: 4.6 neg: 0.2 tot: 4.8 10-3/s Storm rel Dir Shear (0-3000m): 94.0 deg Storm rel helicity (0-3000m) pos: 214.0 neg: 0.0 tot: 214.0 m^2/s^2 ave: 71.3 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 7.6 stream: 6.1 10^-3/s Energy-Hel index: 0.13 Bulk Rich Number: 1.08 Bulk Shear: 95.79 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 ------------------------------------------------------------------------------- 500 234 11 176 26| 13.1 0.0 13.1| 97.7 0.0 97.7 195.3 0.73| 19.5 14.2 1000 272 17 200 20| 11.8 0.0 11.8|185.7 0.0 185.7 185.7 0.80| 18.8 15.1 1500 284 21 214 17| 9.0 0.0 9.0|206.6 0.0 206.6 137.8 0.82| 14.3 11.7 2000 289 23 223 16| 6.7 0.2 6.9|208.7 0.0 208.7 104.4 0.81| 10.9 8.9 2500 292 24 230 16| 5.4 0.3 5.7|210.8 0.0 210.8 84.3 0.81| 8.9 7.2 3000 294 25 235 16| 4.6 0.2 4.8|214.0 0.0 214.0 71.3 0.81| 7.6 6.1 4000 297 27 242 15| 3.6 0.2 3.8|223.9 0.0 223.9 56.0 0.82| 6.0 4.9 5000 299 28 249 15| 3.0 0.1 3.2|233.9 0.0 233.9 46.8 0.83| 5.1 4.2 6000 301 29 255 15| 2.6 0.3 2.9|241.5 0.0 241.5 40.3 0.81| 4.5 3.6 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251209.12.gif