UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102900.upa.cvt Date: 0000Z 29 OCT 25 Searching for U3472... Searching the city database file for: U3472 ... Date:0000Z 29 OCT 25 Station: U3472 WMO ident: 23472 Latitude: 65.78 Longitude: 87.95 ------------------------------------------------------------------------------- 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 1005 39 -2.9 -3.0 99 0.1 -2.9 305 1 269.9 270.4 269.9 278.0 3.04 1 1000 78 -2.7 -4.6 87 1.9 -3.4 305 1 270.5 270.9 269.8 277.8 2.71 2 925 691 -6.9 -8.9 86 2.0 -7.5 310 11 272.3 272.6 269.9 278.1 2.10 3 850 1346 -10.9 -12.8 86 1.9 -11.4 300 11 274.7 275.0 270.8 279.5 1.68 4 721 2590 -19.9 -22.1 83 2.2 -20.3 304 16 278.1 278.2 271.6 280.8 0.90 5 711 2694 -18.9 -21.0 83 2.1 -19.3 305 17 280.3 280.5 273.1 283.3 1.01 6 700 2810 -19.3 -21.3 84 2.0 -19.7 305 17 281.1 281.3 273.5 284.1 1.00 7 670 3135 -20.9 -23.5 80 2.6 -21.4 306 19 282.9 283.0 274.3 285.5 0.86 8 571 4294 -30.7 -33.8 74 3.1 -31.0 311 25 284.6 284.7 274.5 285.8 0.38 9 563 4394 -30.9 -33.9 75 3.0 -31.2 311 26 285.5 285.6 274.9 286.7 0.39 10 500 5230 -34.5 -43.5 40 9.0 -35.1 315 31 291.0 291.0 277.4 291.5 0.16 11 488 5399 -35.3 -45.3 35 10.0 -35.9 314 34 292.0 292.0 277.9 292.5 0.14 12 406 6659 -40.7 -54.7 21 14.0 -41.2 310 56 300.8 300.8 281.8 301.0 0.06 13 400 6760 -41.3 -55.3 21 14.0 -41.8 310 58 301.3 301.3 282.0 301.5 0.05 14 321 8229 -50.5 -63.5 20 13.0 -50.7 310 61 308.2 308.2 284.7 308.2 0.02 15 300 8670 -52.3 -65.3 19 13.0 -52.5 310 62 311.6 311.6 285.9 311.7 0.02 16 276 9207 -54.0 -66.3 21 12.3 -54.2 310 71 316.7 316.7 287.7 316.7 0.02 17 267 9419 -54.7 -66.7 21 12.0 -54.9 310 66 318.7 318.7 288.3 318.8 0.02 18 250 9840 -54.1 -66.1 22 12.0 -54.3 315 66 325.6 325.6 290.5 325.7 0.02 19 229 10402 -53.3 -65.3 22 12.0 -53.5 311 60 335.1 335.1 293.1 335.2 0.03 20 200 11270 -53.7 -66.7 19 13.0 -53.9 305 50 347.7 347.7 296.1 347.8 0.02 21 150 13110 -54.9 -68.9 16 14.0 -55.2 315 33 375.5 375.5 301.5 375.6 0.02 22 140 13549 -56.5 -69.5 18 13.0 -56.8 314 32 380.2 380.2 302.3 380.3 0.02 23 138 13640 -57.1 -57.1 100 0.0 -57.1 314 32 380.7 380.7 302.5 381.2 0.12 24 135 13779 -57.7 -57.7 100 0.0 -57.7 314 32 382.0 382.0 302.6 382.6 0.12 25 120 14523 -57.3 -57.3 100 0.0 -57.3 312 31 395.8 395.9 304.7 396.5 0.14 26 100 15670 -59.1 -59.1 100 0.0 -59.1 310 29 413.5 413.6 307.0 414.2 0.13 27 70 17890 -63.9 -63.9 100 0.0 -63.9 305 27 447.7 447.7 310.7 448.2 0.10 28 51 19820 -65.5 -65.5 100 0.0 -65.5 305 27 486.4 486.4 314.0 487.0 0.11 29 50 19940 -65.9 -65.9 100 0.0 -65.9 305 27 488.2 488.2 314.1 488.8 0.11 30 48 20188 -66.3 -66.3 100 0.0 -66.3 493.0 493.0 314.5 493.6 0.11 TRP 267 9419 -54.7 -66.7 21 12.0 -54.9 310 66 318.7 318.7 288.3 318.8 0.02 WND 276 9207 -54.0 -66.3 21 12.3 -54.2 310 71 316.7 316.7 287.7 316.7 0.02 Sounding variables and indices 1000-500 mb thick: 5152.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 78.04 % Est. max temperature: 1.80 C = 35.24 F Sfc-Lift cond lev (LCL): 1003.20 mb = 52.68 m = 172.82 ft T: -2.83 C 700-500 lapse rate: 6.28 C/km ThetaE index: 0.25 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 909.62 mb = 820.89 m = 2693.17 ft Mean mixing ratio: 2.35 g/kg Conv temperature: -0.01 C = 31.97 F Cap Strength: 7.05 C Lifted Index: 11.01 C Risk: None Lifted Index @300 mb: 23.85 C Lifted Index @700 mb: 4.88 C Showalter Index: 9.84 C Risk: None Total Totals Index: 45.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 21.70 C K Index: 8.80 Risk: None Sweat Index: 53.00 Risk: None Energy Index: 2.49 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.91 J/kg Max Up Vert Vel: 3.72 m/s Conv Inhibition (B-): 31137.56 J/kg Cap Strength: 10.58 C Lift Cond Lev (LCL): 926.51 mb = 678.18 m = 2224.98 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 340 at 15 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 1005 39 305 1 0.8 -0.6 | 162 14 -4.4 13.8 1 1000 78 305 1 0.8 -0.6 | 162 14 -4.4 13.8 2 925 691 310 11 8.4 -7.1 | 204 8 3.3 7.3 3 850 1346 300 11 9.5 -5.5 | 206 10 4.4 8.8 4 700 2810 305 17 13.9 -9.8 | 242 10 8.8 4.6 5 500 5230 315 31 21.9 -21.9 | 294 18 16.7 -7.6 6 400 6760 310 58 44.4 -37.3 | 300 45 39.3 -22.9 7 300 8670 310 62 47.5 -39.9 | 301 49 42.3 -25.5 8 276 9207 310 71 54.4 -45.6 | 302 58 49.2 -31.3 9 267 9419 310 66 50.6 -42.4 | 302 53 45.4 -28.1 10 250 9840 315 66 46.7 -46.7 | 308 53 41.5 -32.3 11 200 11270 305 50 41.0 -28.7 | 292 39 35.8 -14.3 12 150 13110 315 33 23.3 -23.3 | 296 20 18.2 -9.0 13 100 15670 310 29 22.2 -18.6 | 284 18 17.0 -4.3 14 70 17890 305 27 22.1 -15.5 | 274 17 16.9 -1.2 15 50 19940 305 27 22.1 -15.5 | 274 17 16.9 -1.2 Wind Parameters Mean winds (0-6000m): 310.2 at 20.3 knts Storm direction: 340.2 at 15.2 knts Shear (0-3000m) pos: 2.4 neg: 0.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 87.2 deg Storm rel helicity (0-3000m) pos: 40.6 neg: 0.0 tot: 40.6 m^2/s^2 ave: 13.5 10^-3 m/s^2 rel: 0.79 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.21 Bulk Shear: 33.30 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 ------------------------------------------------------------------------------- 500 308 4 172 12| 7.7 0.0 7.7| 16.0 0.0 16.0 32.1 0.70| 7.7 5.4 1000 308 8 184 10| 3.9 1.3 5.2| 21.5 0.0 21.5 21.5 0.71| 5.6 4.0 1500 306 9 192 9| 2.6 1.2 3.8| 23.8 0.0 23.8 15.8 0.68| 4.3 3.0 2000 304 10 198 9| 2.5 0.9 3.4| 29.0 0.0 29.0 14.5 0.73| 3.8 2.7 2500 304 11 205 9| 2.4 0.7 3.1| 34.3 0.0 34.3 13.7 0.76| 3.4 2.6 3000 304 12 211 9| 2.4 0.6 3.0| 40.6 0.0 40.6 13.5 0.79| 3.3 2.6 4000 306 14 226 9| 2.6 0.5 3.0| 56.5 0.0 56.5 14.1 0.80| 3.2 2.6 5000 308 17 245 9| 2.7 0.4 3.0| 74.4 0.0 74.4 14.9 0.79| 3.2 2.5 6000 310 20 263 10| 2.2 1.6 3.8| 92.3 0.0 92.3 15.4 0.59| 4.0 2.4 Wrote GIF file: /home/apache/climate/data/raob//U3472/skewt/U3472.skewt.20251029.00.gif