UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100700.upa.cvt Date: 0000Z 7 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 7 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 172 SFC 929 740 -12.7 -15.1 82 2.4 -13.2 280 1 266.0 266.2 264.3 269.5 1.27 2 927 756 -13.3 -19.3 61 6.0 -14.5 282 2 265.5 265.7 263.2 268.0 0.89 3 925 773 -13.3 -19.3 61 6.0 -14.5 285 3 265.7 265.9 263.4 268.2 0.90 4 899 989 -15.5 -21.5 60 6.0 -16.5 312 4 265.6 265.7 263.0 267.8 0.76 5 850 1410 -16.9 -21.9 65 5.0 -17.7 5 5 268.4 268.6 265.1 270.7 0.78 6 794 1919 -20.3 -25.0 66 4.7 -21.0 38 7 270.1 270.2 266.0 271.9 0.63 7 700 2850 -21.7 -26.7 64 5.0 -22.4 100 11 278.5 278.6 271.3 280.3 0.61 8 699 2860 -21.7 -26.7 64 5.0 -22.4 100 11 278.6 278.7 271.4 280.4 0.62 9 500 5240 -36.7 -41.7 60 5.0 -37.0 75 5 288.3 288.3 276.1 288.9 0.20 10 400 6770 -45.9 -50.9 57 5.0 -46.1 165 7 295.3 295.4 279.4 295.6 0.09 11 371 7265 -49.7 -54.7 56 5.0 -49.8 185 10 296.7 296.7 280.0 296.9 0.06 12 340 7833 -50.9 -55.9 55 5.0 -51.0 207 13 302.6 302.6 282.5 302.8 0.06 13 300 8640 -53.5 -59.5 48 6.0 -53.6 240 17 309.9 309.9 285.4 310.1 0.04 14 285 8969 -54.9 -61.9 42 7.0 -55.0 240 15 312.5 312.5 286.2 312.6 0.03 15 271 9291 -55.1 -62.1 42 7.0 -55.2 261 10 316.8 316.8 287.7 316.9 0.03 16 250 9810 -52.5 -60.5 37 8.0 -52.7 295 3 328.0 328.0 291.2 328.2 0.04 17 201 11237 -47.9 -59.9 24 12.0 -48.4 300 5 356.4 356.4 298.0 356.7 0.06 18 200 11270 -47.9 -59.9 24 12.0 -48.4 300 5 356.9 356.9 298.1 357.2 0.06 19 150 13150 -49.1 -68.1 9 19.0 -49.7 280 5 385.5 385.5 303.1 385.6 0.03 20 100 15810 -49.5 -74.5 4 25.0 -50.4 230 9 432.1 432.1 309.1 432.2 0.02 21 83 17033 -47.9 -73.9 3 26.0 -49.2 238 9 459.0 459.0 311.7 459.1 0.02 22 70 18150 -50.3 -75.3 4 25.0 -51.5 245 9 476.8 476.8 313.2 476.9 0.02 23 69 18244 -50.7 -75.7 4 25.0 -51.9 244 10 477.9 477.9 313.3 478.0 0.02 24 50 20350 -48.9 -73.9 4 25.0 -50.7 230 21 528.2 528.2 316.8 528.5 0.03 25 44 21195 -46.1 -72.1 4 26.0 -48.7 233 22 554.7 554.8 318.3 555.1 0.05 26 30 23740 -46.3 -72.3 4 26.0 -49.7 240 23 618.4 618.4 321.5 619.0 0.07 27 28 24197 -47.1 -73.1 4 26.0 -50.5 237 23 628.5 628.5 321.9 629.1 0.07 28 25 24955 -42.5 -69.5 4 27.0 -47.7 231 23 662.4 662.5 323.2 663.5 0.13 29 20 26450 -46.3 -72.3 4 26.0 -50.8 220 23 694.5 694.5 324.3 695.4 0.11 30 18 27147 -48.1 -74.1 3 26.0 -52.4 710.0 710.1 324.8 710.8 0.09 31 10 31034 -46.7 -72.7 4 26.0 -53.4 845.2 845.3 328.3 847.4 0.21 TRP 285 8969 -54.9 -61.9 42 7.0 -55.0 240 15 312.5 312.5 286.2 312.6 0.03 WND Sounding variables and indices 1000-500 mb thick: 5068.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.11 inches Sfc-500 mean rel hum: 62.92 % Est. max temperature: -7.46 C = 18.57 F Sfc-Lift cond lev (LCL): 893.63 mb = 1033.81 m = 3391.73 ft T: -15.65 C 700-500 lapse rate: 6.28 C/km ThetaE index: 1.45 C Layer 927.0- 925.0 mb Conv cond level (CCL): 653.53 mb = 3338.22 m = 10952.02 ft Mean mixing ratio: 0.79 g/kg Conv temperature: 1.58 C = 34.84 F Cap Strength: 9.51 C Lifted Index: 15.78 C Risk: None Lifted Index @300 mb: 28.86 C Lifted Index @700 mb: 9.39 C Showalter Index: 14.64 C Risk: None Total Totals Index: 34.60 C Risk: None Vertical Totals Index: 19.80 C Cross Totals Index: 14.80 C K Index: -7.10 Risk: None Sweat Index: 15.00 Risk: None Energy Index: 3.84 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 12.37 J/kg Max Up Vert Vel: 4.97 m/s Conv Inhibition (B-): 78211.58 J/kg Cap Strength: 15.66 C Lift Cond Lev (LCL): 802.65 mb = 1837.79 m = 6029.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 122 at 5 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 ---------------------------------------------------------- 0 929 740 280 1 1.0 -0.2 | 298 6 5.5 -3.0 1 925 773 285 3 2.9 -0.8 | 296 8 7.4 -3.6 2 850 1410 5 5 -0.4 -5.0 | 333 9 4.0 -7.8 3 700 2850 100 11 -10.8 1.9 | 82 6 -6.4 -0.9 4 500 5240 75 5 -4.8 -1.3 | 5 4 -0.3 -4.1 5 400 6770 165 7 -1.8 6.8 | 214 5 2.7 4.0 6 300 8640 240 17 14.7 8.5 | 253 20 19.2 5.7 7 285 8969 240 15 13.0 7.5 | 255 18 17.5 4.7 8 250 9810 295 3 2.7 -1.3 | 299 8 7.2 -4.1 9 200 11270 300 5 4.3 -2.5 | 301 10 8.8 -5.3 10 150 13150 280 5 4.9 -0.9 | 291 10 9.4 -3.7 11 100 15810 230 9 6.9 5.8 | 255 12 11.4 3.0 12 70 18150 245 9 8.2 3.8 | 265 13 12.6 1.0 13 50 20350 230 21 16.1 13.5 | 242 23 20.6 10.7 14 30 23740 240 23 19.9 11.5 | 250 26 24.4 8.7 15 20 26450 220 23 14.8 17.6 | 232 24 19.3 14.8 Wind Parameters Mean winds (0-6000m): 91.9 at 7.0 knts Storm direction: 121.9 at 5.3 knts Shear (0-3000m) pos: 1.9 neg: 0.3 tot: 2.1 10-3/s Storm rel Dir Shear (0-3000m): 119.4 deg Storm rel helicity (0-3000m) pos: 41.2 neg: -3.4 tot: 37.8 m^2/s^2 ave: 12.6 10^-3 m/s^2 rel: 0.70 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 3.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.96 Bulk Shear: 12.86 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 ------------------------------------------------------------------------------- 500 319 4 309 9| 4.2 0.0 4.2| 8.3 0.0 8.3 16.6 0.60| 6.0 3.6 1000 355 4 326 9| 3.5 0.0 3.5| 18.5 0.0 18.5 18.5 0.77| 5.3 4.0 1500 22 5 343 8| 3.2 0.0 3.2| 28.4 0.0 28.4 19.0 0.83| 5.1 4.3 2000 53 6 6 7| 3.0 0.0 3.0| 38.9 0.0 38.9 19.5 0.88| 5.4 4.7 2500 72 7 26 6| 2.3 0.0 2.3| 41.2 -1.5 39.7 15.9 0.80| 4.8 3.8 3000 78 8 34 5| 1.9 0.3 2.1| 41.2 -3.4 37.8 12.6 0.70| 4.3 3.0 4000 82 8 39 5| 1.4 0.6 2.0| 41.2 -6.7 34.5 8.6 0.53| 3.6 1.9 5000 84 7 37 4| 1.3 0.6 1.8| 42.3 -8.1 34.1 6.8 0.46| 3.3 1.5 6000 92 7 45 4| 1.1 0.5 1.5| 44.3 -8.1 36.2 6.0 0.49| 3.3 1.6 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251007.00.gif