UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101100.upa.cvt Date: 0000Z 11 OCT 25 Searching for U4688... Searching the city database file for: U4688 ... Date:0000Z 11 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 202 SFC 932 737 -15.1 -19.4 70 4.3 -15.9 150 1 263.3 263.4 261.6 265.7 0.88 2 925 794 -16.1 -21.1 65 5.0 -16.9 175 3 262.8 263.0 261.0 265.0 0.77 3 888 1103 -15.3 -19.1 73 3.8 -16.0 100 4 266.8 266.9 264.2 269.4 0.95 4 850 1436 -11.7 -15.9 71 4.2 -12.7 20 5 273.9 274.1 269.7 277.6 1.30 5 848 1454 -11.5 -15.7 71 4.2 -12.5 21 5 274.3 274.5 269.9 278.1 1.33 6 766 2230 -14.7 -21.7 55 7.0 -16.1 63 11 278.9 279.1 272.1 281.5 0.88 7 753 2361 -12.7 -19.7 56 7.0 -14.3 70 12 282.5 282.6 274.3 285.6 1.06 8 700 2916 -15.3 -28.3 32 13.0 -17.5 100 17 285.5 285.6 275.2 287.2 0.53 9 683 3101 -16.5 -29.5 32 13.0 -18.6 102 17 286.2 286.3 275.5 287.8 0.49 10 667 3279 -15.1 -29.1 29 14.0 -17.5 104 18 289.7 289.8 277.3 291.4 0.52 11 643 3554 -17.1 -31.1 29 14.0 -19.3 108 19 290.5 290.6 277.6 292.0 0.44 12 592 4166 -21.5 -28.5 53 7.0 -22.6 115 20 292.4 292.5 278.8 294.3 0.62 13 500 5390 -28.5 -33.5 62 5.0 -29.1 130 23 298.3 298.4 281.3 299.8 0.45 14 475 5758 -30.9 -35.8 62 4.9 -31.4 129 24 299.7 299.8 281.8 301.0 0.38 15 405 6883 -35.9 -40.9 60 5.0 -36.3 125 27 307.2 307.3 284.6 308.2 0.26 16 400 6970 -36.9 -41.9 60 5.0 -37.3 125 27 307.0 307.1 284.5 307.9 0.24 17 300 8890 -52.5 -57.5 55 5.0 -52.6 135 38 311.3 311.4 285.9 311.6 0.05 18 268 9608 -59.5 -64.4 53 4.9 -59.6 141 44 311.4 311.4 285.8 311.5 0.02 19 250 10040 -62.1 -67.1 51 5.0 -62.1 145 48 313.7 313.7 286.6 313.8 0.02 20 236 10395 -64.1 -69.1 50 5.0 -64.1 145 46 315.9 315.9 287.4 316.0 0.01 21 210 11122 -56.9 -62.9 47 6.0 -57.0 145 35 337.9 337.9 293.9 338.1 0.04 22 201 11399 -57.5 -63.5 46 6.0 -57.6 145 31 341.2 341.2 294.7 341.4 0.04 23 200 11430 -58.3 -64.3 46 6.0 -58.4 145 31 340.4 340.4 294.4 340.6 0.03 24 199 11462 -58.9 -64.9 46 6.0 -59.0 145 31 340.0 340.0 294.3 340.1 0.03 25 150 13270 -51.7 -60.7 33 9.0 -52.1 120 15 381.0 381.0 302.5 381.3 0.07 26 149 13313 -51.5 -60.5 33 9.0 -51.9 120 15 382.1 382.1 302.6 382.4 0.07 27 101 15835 -51.5 -67.5 13 16.0 -52.2 115 9 427.0 427.0 308.5 427.2 0.04 28 100 15900 -51.3 -67.3 13 16.0 -52.0 115 9 428.6 428.6 308.7 428.8 0.04 29 70 18210 -50.3 -71.3 7 21.0 -51.5 145 9 476.8 476.8 313.2 477.0 0.04 30 50 20410 -50.5 -74.5 4 24.0 -52.1 130 13 524.5 524.5 316.6 524.7 0.03 31 30 23760 -48.9 -73.9 4 25.0 -51.7 175 17 611.3 611.4 321.2 611.8 0.06 32 27 24457 -44.7 -70.7 4 26.0 -48.8 171 15 641.8 641.9 322.4 642.6 0.10 33 20 26450 -47.5 -73.5 3 26.0 -51.7 160 11 690.8 690.8 324.1 691.6 0.09 34 15 28347 -48.5 -73.5 4 25.0 -53.1 746.7 746.8 325.8 747.8 0.12 35 10 31032 -45.7 -71.7 4 26.0 -52.8 849.0 849.1 328.4 851.5 0.24 TRP 236 10395 -64.1 -69.1 50 5.0 -64.1 145 46 315.9 315.9 287.4 316.0 0.01 WND Sounding variables and indices 1000-500 mb thick: 5188.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 52.79 % Est. max temperature: -0.71 C = 30.71 F Sfc-Lift cond lev (LCL): 868.93 mb = 1268.12 m = 4160.44 ft T: -13.51 C 700-500 lapse rate: 5.34 C/km ThetaE index: 0.76 C Layer 925.0- 888.0 mb Conv cond level (CCL): 568.10 mb = 4464.63 m = 14647.56 ft Mean mixing ratio: 1.04 g/kg Conv temperature: 14.81 C = 58.65 F Cap Strength: 18.38 C Lifted Index: 22.11 C Risk: None Lifted Index @300 mb: 28.16 C Lifted Index @700 mb: 13.89 C Showalter Index: 17.30 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 16.80 C Cross Totals Index: 12.60 C K Index: -12.10 Risk: None Sweat Index: 33.00 Risk: None Energy Index: 4.69 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 56.23 J/kg Max Up Vert Vel: 10.61 m/s Conv Inhibition (B-): 73932.80 J/kg Cap Strength: 21.91 C Lift Cond Lev (LCL): 824.02 mb = 1673.13 m = 5489.19 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 146 at 13 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 ---------------------------------------------------------- 0 932 737 150 1 -0.5 0.9 | 326 12 6.6 -9.8 1 925 794 175 3 -0.3 3.0 | 318 10 6.9 -7.7 2 850 1436 20 5 -1.7 -4.7 | 341 16 5.4 -15.4 3 700 2916 100 17 -16.7 3.0 | 51 12 -9.6 -7.7 4 500 5390 130 23 -17.6 14.8 | 111 11 -10.5 4.1 5 400 6970 125 27 -22.1 15.5 | 108 16 -15.0 4.8 6 300 8890 135 38 -26.9 26.9 | 129 26 -19.8 16.2 7 250 10040 145 48 -27.5 39.3 | 145 35 -20.4 28.7 8 236 10395 145 46 -26.4 37.7 | 145 33 -19.3 27.0 9 200 11430 145 31 -17.8 25.4 | 144 18 -10.7 14.7 10 150 13270 120 15 -13.0 7.5 | 62 7 -5.9 -3.2 11 100 15900 115 9 -8.2 3.8 | 9 7 -1.0 -6.9 12 70 18210 145 9 -5.2 7.4 | 329 4 2.0 -3.3 13 50 20410 130 13 -10.0 8.4 | 51 4 -2.8 -2.3 14 30 23760 175 17 -1.5 16.9 | 222 8 5.6 6.3 15 20 26450 160 11 -3.8 10.3 | 275 3 3.4 -0.3 Wind Parameters Mean winds (0-6000m): 116.3 at 17.1 knts Storm direction: 146.3 at 12.8 knts Shear (0-3000m) pos: 3.1 neg: 1.4 tot: 4.5 10-3/s Storm rel Dir Shear (0-3000m): 102.8 deg Storm rel helicity (0-3000m) pos: 100.1 neg: -8.5 tot: 91.6 m^2/s^2 ave: 30.5 10^-3 m/s^2 rel: 0.68 Storm rel vorticity (0-3000m) horiz: 6.2 stream: 4.2 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 2.30 Bulk Shear: 24.48 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 ------------------------------------------------------------------------------- 500 113 3 337 10| 0.0 4.5 4.5| 11.7 -2.9 8.8 17.6 0.40| 8.8 3.5 1000 38 5 343 15| 0.0 4.1 4.1| 24.7 -8.5 16.2 16.2 0.32| 8.0 2.5 1500 51 6 351 15| 2.0 2.7 4.7| 51.0 -8.5 42.5 28.3 0.51| 7.4 3.7 2000 74 8 3 13| 3.3 2.0 5.3| 78.9 -8.5 70.4 35.2 0.62| 7.5 4.6 2500 88 10 13 11| 3.4 1.6 5.0| 93.1 -8.5 84.6 33.8 0.66| 6.9 4.6 3000 94 11 22 11| 3.1 1.4 4.5|100.1 -8.5 91.6 30.5 0.68| 6.2 4.2 4000 104 13 39 10| 2.8 1.0 3.9|114.6 -8.5 106.1 26.5 0.72| 5.3 3.8 5000 112 15 56 9| 2.6 0.8 3.4|124.7 -8.9 115.7 23.1 0.72| 4.7 3.4 6000 116 17 69 9| 2.2 0.8 3.0|124.7 -10.9 113.7 19.0 0.67| 4.1 2.8 Wrote GIF file: /home/apache/climate/data/raob//U4688/skewt/U4688.skewt.20251011.00.gif