UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101712.upa.cvt Date: 1200Z 17 OCT 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 17 OCT 25 Station: U8661 WMO ident: 28661 Latitude: 55.47 Longitude: 65.40 ------------------------------------------------------------------------------- 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 1011 72 7.0 -8.0 33 15.0 1.5 100 3 279.3 279.6 274.1 285.2 2.07 1 1000 162 6.0 -8.0 36 14.0 0.9 125 9 279.1 279.5 274.0 285.1 2.09 2 925 794 0.8 -11.2 40 12.0 -3.1 145 25 280.1 280.4 274.1 285.2 1.75 3 882 1174 -1.7 -13.7 39 12.0 -5.3 176 19 281.4 281.6 274.4 285.8 1.50 4 850 1468 -1.9 -16.9 31 15.0 -6.1 200 15 284.2 284.4 275.5 287.7 1.20 5 845 1515 -1.7 -16.7 31 15.0 -6.0 199 15 284.8 285.1 275.9 288.5 1.22 6 799 1957 -4.7 -19.7 30 15.0 -8.5 190 20 286.2 286.4 276.3 289.3 1.00 7 763 2320 -3.7 -21.7 23 18.0 -8.3 183 24 291.1 291.3 278.6 293.9 0.88 8 720 2775 -6.5 -30.5 13 24.0 -11.3 174 29 292.9 293.0 278.7 294.3 0.42 9 700 2995 -7.5 -29.5 15 22.0 -11.9 170 31 294.2 294.3 279.4 295.7 0.47 10 661 3438 -10.7 -24.7 31 14.0 -13.8 171 32 295.4 295.6 280.4 297.9 0.78 11 605 4113 -15.3 -19.7 69 4.4 -16.4 172 33 297.7 297.9 282.1 301.9 1.32 12 508 5414 -22.9 -27.4 67 4.5 -23.7 175 36 303.7 303.9 284.0 306.4 0.79 13 500 5530 -23.9 -28.2 68 4.3 -24.6 175 36 303.9 304.0 284.0 306.4 0.75 14 400 7120 -35.9 -40.2 65 4.3 -36.2 160 40 308.3 308.4 285.1 309.3 0.29 15 351 8013 -42.5 -46.6 64 4.1 -42.7 165 43 311.2 311.2 285.9 311.8 0.17 16 300 9050 -51.3 -55.2 63 3.9 -51.4 170 46 313.0 313.1 286.5 313.3 0.07 17 270 9725 -56.9 -60.7 62 3.8 -57.0 174 50 314.5 314.5 286.9 314.6 0.04 18 260 9963 -58.1 -61.9 62 3.8 -58.2 175 52 316.1 316.1 287.5 316.3 0.04 19 250 10210 -57.9 -61.7 62 3.8 -58.0 170 54 320.0 320.0 288.8 320.1 0.04 20 240 10468 -58.1 -61.9 62 3.8 -58.2 176 49 323.4 323.5 289.9 323.6 0.04 21 200 11630 -54.9 -59.1 60 4.2 -55.0 205 25 345.8 345.8 295.8 346.1 0.07 22 162 12977 -54.1 -59.1 54 5.0 -54.3 238 21 368.7 368.7 300.4 369.0 0.08 23 150 13470 -53.7 -59.7 48 6.0 -53.9 250 19 377.5 377.6 301.9 377.9 0.08 24 100 16040 -57.9 -65.9 35 8.0 -58.2 280 13 415.9 415.9 307.3 416.1 0.05 25 70 18280 -59.7 -68.7 30 9.0 -60.0 275 9 456.7 456.7 311.5 457.0 0.05 26 58 19455 -60.1 -70.1 26 10.0 -60.4 278 11 481.0 481.0 313.5 481.3 0.05 27 50 20380 -60.7 -70.7 26 10.0 -61.1 280 13 500.4 500.5 315.0 500.8 0.06 28 30 23550 -62.1 -73.1 22 11.0 -62.7 300 19 575.3 575.4 319.5 575.8 0.06 29 20 26070 -58.7 -70.7 20 12.0 -59.9 325 15 656.5 656.6 323.0 657.6 0.14 30 13 28799 -55.1 -68.1 18 13.0 -57.6 755.0 755.2 326.1 757.9 0.31 31 11 29871 -52.7 -65.7 19 13.0 -56.1 800.7 801.0 327.4 805.8 0.51 TRP 260 9963 -58.1 -61.9 62 3.8 -58.2 175 52 316.1 316.1 287.5 316.3 0.04 WND Sounding variables and indices 1000-500 mb thick: 5368.00 m Freezing level: 911.24 mb = 915.68 m = 3004.17 ft Wetbulb zero: 983.08 mb = 300.31 m = 985.25 ft Precipitable water: 0.28 inches Sfc-500 mean rel hum: 42.21 % Est. max temperature: 10.92 C = 51.66 F Sfc-Lift cond lev (LCL): 801.97 mb = 1927.93 m = 6325.17 ft T: -4.50 C 700-500 lapse rate: 6.47 C/km ThetaE index: 0.07 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 602.92 mb = 4138.91 m = 13578.92 ft Mean mixing ratio: 1.91 g/kg Conv temperature: 25.61 C = 78.09 F Cap Strength: 15.99 C Lifted Index: 15.98 C Risk: None Lifted Index @300 mb: 19.78 C Lifted Index @700 mb: 11.41 C Showalter Index: 14.05 C Risk: None Total Totals Index: 29.00 C Risk: None Vertical Totals Index: 22.00 C Cross Totals Index: 7.00 C K Index: -16.90 Risk: None Sweat Index: 66.00 Risk: None Energy Index: 3.93 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.88 J/kg Max Up Vert Vel: 2.40 m/s Conv Inhibition (B-): 62721.77 J/kg Cap Strength: 16.00 C Lift Cond Lev (LCL): 784.11 mb = 2105.39 m = 6907.38 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 21 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 1011 72 100 3 -3.0 0.5 | 29 22 -10.5 -18.8 1 1000 162 125 9 -7.4 5.2 | 47 21 -15.0 -14.1 2 925 794 145 25 -14.3 20.5 | 93 22 -21.9 1.2 3 850 1468 200 15 5.1 14.1 | 25 6 -2.4 -5.2 4 700 2995 170 31 -5.4 30.5 | 131 17 -13.0 11.2 5 500 5530 175 36 -3.1 35.9 | 147 20 -10.7 16.6 6 400 7120 160 40 -13.7 37.6 | 131 28 -21.3 18.3 7 300 9050 170 46 -8.0 45.3 | 149 30 -15.6 26.0 8 260 9963 175 52 -4.5 51.8 | 160 35 -12.1 32.5 9 250 10210 170 54 -9.4 53.2 | 153 38 -17.0 33.9 10 200 11630 205 25 10.6 22.7 | 222 4 3.0 3.4 11 150 13470 250 19 17.9 6.5 | 321 16 10.3 -12.8 12 100 16040 280 13 12.8 -2.3 | 346 22 5.2 -21.6 13 70 18280 275 9 9.0 -0.8 | 356 20 1.4 -20.1 14 50 20380 280 13 12.8 -2.3 | 346 22 5.2 -21.6 15 30 23550 300 19 16.5 -9.5 | 343 30 8.9 -28.8 16 20 26070 325 15 8.6 -12.3 | 358 32 1.0 -31.6 Wind Parameters Mean winds (0-6000m): 171.4 at 27.6 knts Storm direction: 201.4 at 20.7 knts Shear (0-3000m) pos: 2.9 neg: 3.2 tot: 6.0 10-3/s Storm rel Dir Shear (0-3000m): 102.2 deg Storm rel helicity (0-3000m) pos: 146.1 neg: -14.8 tot: 131.3 m^2/s^2 ave: 43.8 10^-3 m/s^2 rel: 0.38 Storm rel vorticity (0-3000m) horiz: 11.1 stream: 4.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.06 Bulk Shear: 49.98 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 ------------------------------------------------------------------------------- 500 133 13 58 20| 17.6 0.0 17.6| 94.5 0.0 94.5 189.0 1.00| 17.8 17.7 1000 145 18 75 18| 10.3 0.0 10.3|134.3 -0.8 133.5 133.5 0.73| 17.0 12.4 1500 155 18 78 15| 5.8 0.0 5.8|135.3 -14.1 121.2 80.8 0.37| 15.7 5.9 2000 165 18 81 12| 4.3 1.6 5.9|140.9 -14.1 126.8 63.4 0.43| 13.4 5.8 2500 169 19 87 11| 3.5 2.6 6.1|145.1 -14.1 131.0 52.4 0.42| 12.1 5.1 3000 169 21 96 12| 2.9 3.2 6.0|146.1 -14.8 131.3 43.8 0.38| 11.1 4.3 4000 170 24 108 12| 2.4 2.4 4.8|155.7 -14.8 141.0 35.2 0.40| 8.6 3.5 5000 171 26 118 13| 2.2 1.9 4.1|165.8 -14.8 151.0 30.2 0.42| 7.1 3.0 6000 171 28 125 14| 1.9 1.8 3.7|170.0 -26.6 143.3 23.9 0.37| 6.3 2.4 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20251017.12.gif