UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120700.upa.cvt Date: 0000Z 7 DEC 25 Searching for U3884... Searching the city database file for: U3884 ... Date:0000Z 7 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 1017 57 -31.7 -35.3 70 3.6 -31.9 0 0 240.3 240.3 240.2 240.8 0.19 1 1013 85 -27.9 -31.6 71 3.7 -28.2 339 1 244.3 244.4 244.2 245.1 0.27 2 1000 177 -28.1 -31.7 71 3.6 -28.3 270 5 245.1 245.1 244.8 245.8 0.27 3 982 307 -28.7 -32.2 72 3.5 -28.9 268 6 245.7 245.8 245.4 246.4 0.26 4 925 736 -27.5 -30.7 74 3.2 -27.8 260 11 251.2 251.2 250.4 252.1 0.32 5 918 791 -27.1 -30.2 75 3.1 -27.3 262 11 252.1 252.2 251.3 253.1 0.34 6 850 1342 -30.1 -33.2 74 3.1 -30.3 285 11 254.6 254.7 253.3 255.4 0.27 7 844 1392 -30.5 -33.6 74 3.1 -30.7 285 11 254.7 254.8 253.4 255.5 0.27 8 708 2637 -32.3 -35.0 77 2.7 -32.5 290 11 265.9 265.9 262.2 266.7 0.28 9 700 2717 -32.9 -35.6 77 2.7 -33.1 290 11 266.1 266.1 262.3 266.8 0.26 10 610 3678 -37.5 -40.3 75 2.8 -37.7 292 17 271.4 271.5 266.0 272.0 0.19 11 549 4403 -39.3 -42.8 69 3.5 -39.5 294 21 277.6 277.6 270.0 278.1 0.16 12 500 5040 -42.5 -46.6 64 4.1 -42.6 295 25 281.2 281.2 272.1 281.6 0.12 13 436 5949 -48.3 -52.8 60 4.5 -48.4 295 26 285.1 285.1 274.2 285.3 0.07 14 400 6510 -50.9 -55.3 59 4.4 -51.0 295 27 288.8 288.8 276.2 289.0 0.05 15 331 7733 -55.9 -60.6 56 4.7 -56.0 295 31 298.0 298.1 280.6 298.2 0.03 16 320 7948 -56.1 -61.0 54 4.9 -56.2 295 31 300.7 300.7 281.7 300.8 0.03 17 300 8360 -55.9 -60.8 54 4.9 -56.0 295 31 306.6 306.6 284.1 306.7 0.04 18 250 9520 -54.7 -59.7 54 5.0 -54.8 290 29 324.7 324.8 290.2 324.9 0.05 19 243 9701 -54.3 -59.3 54 5.0 -54.4 291 29 328.0 328.0 291.2 328.2 0.05 20 200 10940 -55.9 -61.9 47 6.0 -56.1 300 29 344.2 344.3 295.4 344.4 0.05 21 150 12770 -58.1 -64.1 46 6.0 -58.2 300 33 370.0 370.0 300.6 370.2 0.05 22 117 14330 -58.5 -64.5 46 6.0 -58.7 297 36 396.5 396.5 304.8 396.8 0.06 23 100 15310 -60.9 -67.9 39 7.0 -61.1 295 38 410.1 410.1 306.5 410.3 0.04 24 70 17510 -65.9 -72.9 37 7.0 -66.0 295 44 443.4 443.4 310.3 443.6 0.03 25 68 17686 -66.3 -73.3 37 7.0 -66.4 294 44 446.2 446.2 310.5 446.4 0.03 26 52 19305 -69.3 -76.3 35 7.0 -69.4 282 40 474.8 474.8 313.1 475.0 0.02 27 50 19540 -69.3 -76.3 35 7.0 -69.4 280 40 480.2 480.2 313.5 480.3 0.02 28 30 22550 -73.7 -80.7 33 7.0 -73.8 280 44 543.7 543.7 317.8 543.9 0.02 29 27 23165 -74.3 -81.3 33 7.0 -74.4 558.7 558.7 318.6 558.8 0.02 TRP 331 7733 -55.9 -60.6 56 4.7 -56.0 295 31 298.0 298.1 280.6 298.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 4863.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.06 inches Sfc-500 mean rel hum: 73.39 % Est. max temperature: -17.94 C = -0.30 F Sfc-Lift cond lev (LCL): 956.49 mb = 495.88 m = 1626.88 ft T: -28.17 C 700-500 lapse rate: 4.13 C/km ThetaE index: 0.00 C Layer 1017.0- -0.0 mb Conv cond level (CCL): 645.51 mb = 3282.74 m = 10770.00 ft Mean mixing ratio: 0.28 g/kg Conv temperature: -2.63 C = 27.27 F Cap Strength: 24.72 C Lifted Index: 27.03 C Risk: None Lifted Index @300 mb: 41.29 C Lifted Index @700 mb: 16.24 C Showalter Index: 21.23 C Risk: None Total Totals Index: 21.70 C Risk: None Vertical Totals Index: 12.40 C Cross Totals Index: 9.30 C K Index: -23.50 Risk: None Sweat Index: 47.00 Risk: None Energy Index: 5.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 27.08 J/kg Max Up Vert Vel: 7.36 m/s Conv Inhibition (B-): 51444.70 J/kg Cap Strength: 26.91 C Lift Cond Lev (LCL): 912.50 mb = 833.76 m = 2735.40 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 320 at 12 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 1017 57 0 0 -0.0 -0.0 | 140 12 -7.6 9.1 1 1000 177 270 5 5.0 -0.0 | 164 9 -2.6 9.1 2 925 736 260 11 10.8 1.9 | 196 11 3.2 11.0 3 850 1342 285 11 10.6 -2.8 | 206 7 3.0 6.3 4 700 2717 290 11 10.3 -3.8 | 207 6 2.7 5.4 5 500 5040 295 25 22.7 -10.6 | 275 15 15.0 -1.4 6 400 6510 295 27 24.5 -11.4 | 278 17 16.9 -2.3 7 331 7733 295 31 28.1 -13.1 | 281 21 20.5 -4.0 8 300 8360 295 31 28.1 -13.1 | 281 21 20.5 -4.0 9 250 9520 290 29 27.3 -9.9 | 272 20 19.6 -0.8 10 200 10940 300 29 25.1 -14.5 | 287 18 17.5 -5.4 11 150 12770 300 33 28.6 -16.5 | 289 22 21.0 -7.4 12 100 15310 295 38 34.4 -16.1 | 284 28 26.8 -6.9 13 70 17510 295 44 39.9 -18.6 | 286 34 32.3 -9.5 14 50 19540 280 40 39.4 -6.9 | 266 32 31.8 2.2 15 30 22550 280 44 43.3 -7.6 | 268 36 35.7 1.5 Wind Parameters Mean winds (0-6000m): 290.2 at 15.9 knts Storm direction: 320.2 at 11.9 knts Shear (0-3000m) pos: 1.1 neg: 1.6 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 85.3 deg Storm rel helicity (0-3000m) pos: 32.7 neg: 0.0 tot: 32.7 m^2/s^2 ave: 10.9 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.78 Bulk Shear: 15.18 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 ------------------------------------------------------------------------------- 500 266 6 170 10| 0.0 9.3 9.3| 20.7 0.0 20.7 41.4 0.84| 10.0 8.4 1000 265 8 184 10| 1.3 4.7 6.0| 27.9 0.0 27.9 27.9 0.76| 7.2 5.5 1500 271 9 190 9| 1.5 3.1 4.6| 29.2 0.0 29.2 19.5 0.69| 5.6 3.9 2000 276 10 194 8| 1.2 2.3 3.5| 29.3 0.0 29.3 14.6 0.67| 4.3 2.9 2500 279 10 196 8| 1.0 1.9 2.9| 29.4 0.0 29.4 11.7 0.66| 3.5 2.3 3000 281 10 198 8| 1.1 1.6 2.7| 32.7 0.0 32.7 10.9 0.69| 3.3 2.3 4000 285 12 211 7| 1.6 1.2 2.7| 42.6 0.0 42.6 10.6 0.72| 3.3 2.3 5000 288 14 229 7| 1.8 0.9 2.8| 53.3 0.0 53.3 10.7 0.68| 3.2 2.2 6000 290 16 243 8| 1.5 0.9 2.4| 55.1 0.0 55.1 9.2 0.67| 2.8 1.9 Wrote GIF file: /home/apache/climate/data/raob//U3884/skewt/U3884.skewt.20251207.00.gif