UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102212.upa.cvt Date: 1200Z 22 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:1200Z 22 OCT 25 Station: U4688 WMO ident: 24688 Latitude: 63.27 Longitude: 143.15 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 180 SFC 930 739 -12.5 -14.6 84 2.1 -13.0 40 1 266.1 266.3 264.4 269.8 1.32 2 925 781 -12.9 -15.4 81 2.5 -13.5 20 1 266.1 266.3 264.3 269.6 1.25 3 850 1425 -13.9 -16.1 83 2.2 -14.4 320 13 271.6 271.8 268.1 275.2 1.28 4 846 1461 -13.9 -16.1 83 2.2 -14.4 320 13 272.0 272.2 268.4 275.6 1.28 5 700 2874 -22.5 -24.7 82 2.2 -22.8 320 21 277.6 277.7 271.0 279.8 0.74 6 691 2969 -22.9 -25.1 82 2.2 -23.2 321 22 278.2 278.3 271.3 280.3 0.72 7 644 3482 -25.7 -28.1 80 2.4 -26.0 325 26 280.6 280.7 272.6 282.4 0.59 8 642 3505 -25.9 -28.3 80 2.4 -26.2 325 26 280.7 280.8 272.6 282.4 0.58 9 542 4720 -30.3 -42.3 30 12.0 -31.2 335 37 289.3 289.4 276.6 289.9 0.17 10 500 5290 -33.9 -47.9 23 14.0 -34.7 340 42 291.7 291.7 277.7 292.1 0.10 11 400 6820 -43.5 -49.5 51 6.0 -43.7 340 50 298.5 298.5 280.8 298.8 0.10 12 389 7007 -44.9 -50.9 51 6.0 -45.1 340 50 299.0 299.0 281.0 299.3 0.09 13 320 8287 -53.5 -58.4 55 4.9 -53.6 340 52 304.3 304.3 283.2 304.4 0.05 14 300 8700 -55.7 -60.2 57 4.5 -55.8 340 52 306.8 306.8 284.2 307.0 0.04 15 281 9116 -58.5 -63.1 55 4.6 -58.6 338 53 308.6 308.6 284.8 308.7 0.03 16 258 9653 -59.9 -64.3 56 4.4 -60.0 335 54 314.2 314.2 286.8 314.3 0.03 17 250 9850 -60.1 -64.4 57 4.3 -60.2 335 54 316.7 316.7 287.7 316.8 0.03 18 244 10001 -59.9 -64.2 57 4.3 -60.0 336 53 319.2 319.2 288.5 319.3 0.03 19 224 10536 -56.9 -61.3 57 4.4 -57.0 337 48 331.7 331.7 292.2 331.9 0.04 20 200 11250 -56.9 -61.3 57 4.4 -57.0 340 42 342.7 342.7 295.0 342.9 0.05 21 192 11510 -57.1 -61.6 57 4.5 -57.2 341 40 346.4 346.4 295.8 346.6 0.05 22 150 13090 -54.7 -59.7 54 5.0 -54.9 345 29 375.8 375.8 301.6 376.2 0.08 23 134 13810 -55.1 -61.1 47 6.0 -55.3 341 25 387.4 387.5 303.5 387.8 0.08 24 116 14737 -51.9 -59.9 38 8.0 -52.3 335 19 409.7 409.7 306.5 410.2 0.10 25 100 15690 -55.3 -64.3 32 9.0 -55.6 330 13 420.9 420.9 307.9 421.2 0.07 26 70 17960 -56.1 -67.1 24 11.0 -56.6 315 9 464.4 464.4 312.2 464.7 0.07 27 50 20100 -56.1 -69.1 18 13.0 -56.8 270 11 511.3 511.3 315.8 511.7 0.07 28 44 20912 -56.9 -69.9 18 13.0 -57.7 257 12 528.4 528.4 316.8 528.8 0.07 29 30 23360 -53.3 -69.3 13 16.0 -54.9 220 13 599.3 599.4 320.6 600.2 0.11 30 22 25375 -49.5 -67.5 10 18.0 -52.5 666.2 666.3 323.3 667.9 0.20 TRP 258 9653 -59.9 -64.3 56 4.4 -60.0 335 54 314.2 314.2 286.8 314.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5110.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 67.69 % Est. max temperature: -4.40 C = 24.08 F Sfc-Lift cond lev (LCL): 898.93 mb = 998.71 m = 3276.56 ft T: -13.24 C 700-500 lapse rate: 4.72 C/km ThetaE index: 0.20 C Layer 925.0- 850.0 mb Conv cond level (CCL): 786.83 mb = 2001.69 m = 6567.13 ft Mean mixing ratio: 1.26 g/kg Conv temperature: -4.66 C = 23.62 F Cap Strength: 14.15 C Lifted Index: 15.59 C Risk: None Lifted Index @300 mb: 24.03 C Lifted Index @700 mb: 5.61 C Showalter Index: 13.83 C Risk: None Total Totals Index: 37.80 C Risk: None Vertical Totals Index: 20.00 C Cross Totals Index: 17.80 C K Index: 1.70 Risk: None Sweat Index: 68.00 Risk: None Energy Index: 3.51 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 18.95 J/kg Max Up Vert Vel: 6.16 m/s Conv Inhibition (B-): 53023.11 J/kg Cap Strength: 15.40 C Lift Cond Lev (LCL): 845.78 mb = 1462.70 m = 4798.84 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 4 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 ---------------------------------------------------------- 0 930 739 40 1 -0.6 -0.8 | 182 21 0.9 21.0 1 925 781 20 1 -0.3 -0.9 | 183 21 1.2 20.8 2 850 1425 320 13 8.4 -10.0 | 220 15 9.9 11.8 3 700 2874 320 21 13.5 -16.1 | 249 16 15.0 5.6 4 500 5290 340 42 14.4 -39.5 | 318 24 15.9 -17.7 5 400 6820 340 50 17.1 -47.0 | 324 31 18.6 -25.3 6 300 8700 340 52 17.8 -48.9 | 325 33 19.3 -27.1 7 258 9653 335 54 22.8 -48.9 | 318 37 24.3 -27.2 8 250 9850 335 54 22.8 -48.9 | 318 37 24.3 -27.2 9 200 11250 340 42 14.4 -39.5 | 318 24 15.9 -17.7 10 150 13090 345 29 7.5 -28.0 | 305 11 9.0 -6.3 11 100 15690 330 13 6.5 -11.3 | 217 13 8.0 10.5 12 70 17960 315 9 6.4 -6.4 | 207 17 7.9 15.4 13 50 20100 270 11 11.0 -0.0 | 210 25 12.5 21.7 14 30 23360 220 13 8.4 10.0 | 197 33 9.9 31.7 Wind Parameters Mean winds (0-6000m): 334.0 at 29.0 knts Storm direction: 4.0 at 21.8 knts Shear (0-3000m) pos: 1.5 neg: 3.4 tot: 5.0 10-3/s Storm rel Dir Shear (0-3000m): 95.2 deg Storm rel helicity (0-3000m) pos: 105.5 neg: 0.0 tot: 105.5 m^2/s^2 ave: 35.2 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.4 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.25 Bulk Shear: 77.30 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 ------------------------------------------------------------------------------- 500 342 5 190 17| 0.0 9.4 9.4| 21.5 0.0 21.5 42.9 0.54| 10.0 5.4 1000 322 9 205 16| 0.0 7.5 7.5| 45.6 0.0 45.6 45.6 0.71| 8.4 5.9 1500 321 11 214 16| 0.0 6.0 6.0| 56.6 0.0 56.6 37.8 0.75| 6.5 4.9 2000 321 13 221 15| 0.0 5.2 5.2| 67.7 0.0 67.7 33.8 0.78| 5.6 4.4 2500 321 15 227 15| 0.8 4.1 5.0| 85.1 0.0 85.1 34.0 0.81| 5.3 4.3 3000 322 17 234 15| 1.5 3.4 5.0|105.5 0.0 105.5 35.2 0.84| 5.3 4.4 4000 327 21 252 14| 2.4 2.6 5.0|151.0 0.0 151.0 37.8 0.86| 5.2 4.5 5000 331 25 271 14| 2.7 2.1 4.8|185.5 0.0 185.5 37.1 0.84| 5.0 4.2 6000 334 29 287 15| 2.3 2.1 4.4|197.8 0.0 197.8 33.0 0.78| 4.6 3.6 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251022.12.gif