UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011512.upa.cvt Date: 1200Z 15 JAN 26 Searching for U8951... Searching the city database file for: U8951 ... Date:1200Z 15 JAN 26 Station: U8951 WMO ident: 28951 Latitude: 53.23 Longitude: 63.62 ------------------------------------------------------------------------------- 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 1023 176 -18.1 -25.1 54 7.0 -19.0 40 5 253.4 253.5 252.7 254.7 0.49 1 1022 183 -16.3 -20.2 72 3.9 -16.9 43 6 255.3 255.4 254.9 257.3 0.75 2 1007 294 -17.7 -21.4 73 3.7 -18.3 85 17 254.9 255.0 254.5 256.8 0.69 3 1000 346 -17.5 -21.1 73 3.6 -18.0 105 23 255.6 255.8 255.1 257.6 0.71 4 990 421 -16.9 -20.6 73 3.7 -17.5 105 24 257.0 257.1 256.3 259.0 0.75 5 978 514 -13.5 -18.5 66 5.0 -14.5 105 25 261.3 261.5 260.1 263.8 0.91 6 950 735 -12.1 -24.1 36 12.0 -14.1 105 28 264.9 265.0 262.2 266.5 0.57 7 925 939 -12.5 -28.5 25 16.0 -14.9 105 31 266.5 266.6 263.0 267.7 0.39 8 915 1022 -12.7 -29.7 23 17.0 -15.1 105 30 267.2 267.2 263.3 268.2 0.36 9 893 1207 -12.3 -30.3 21 18.0 -14.9 105 29 269.4 269.5 265.0 270.5 0.34 10 850 1584 -12.3 -33.3 16 21.0 -15.2 105 25 273.3 273.3 267.4 274.1 0.27 11 749 2548 -13.1 -33.1 17 20.0 -16.1 89 21 282.5 282.5 273.1 283.5 0.31 12 700 3061 -14.5 -34.5 17 20.0 -17.4 80 19 286.4 286.5 275.3 287.4 0.29 13 666 3437 -15.5 -40.5 10 25.0 -18.6 73 20 289.4 289.4 276.6 290.0 0.17 14 591 4329 -20.5 -33.5 30 13.0 -22.3 55 22 293.7 293.7 279.0 294.9 0.38 15 500 5540 -30.5 -42.5 30 12.0 -31.4 30 25 295.9 295.9 279.8 296.5 0.18 16 400 7080 -43.1 -60.1 14 17.0 -43.6 30 29 299.0 299.0 280.9 299.1 0.03 17 323 8482 -55.3 -74.3 8 19.0 -55.5 23 34 301.0 301.0 281.7 301.0 0.01 18 300 8950 -58.5 -78.5 6 20.0 -58.6 20 36 302.9 302.9 282.5 302.9 0.00 19 250 10080 -65.3 -88.3 3 23.0 -65.4 20 19 309.0 309.0 284.9 309.0 0.00 20 234 10481 -67.9 -91.9 2 24.0 -67.9 340 25 310.9 310.9 285.7 310.9 0.00 21 200 11430 -66.1 -89.1 3 23.0 -66.2 335 21 328.1 328.1 291.2 328.1 0.00 22 165 12594 -64.9 -88.9 2 24.0 -65.0 318 21 348.6 348.6 296.3 348.6 0.00 23 150 13170 -66.7 -92.7 1 26.0 -66.8 310 21 355.2 355.2 297.7 355.2 0.00 24 100 15620 -67.3 -95.3 1 28.0 -67.4 305 27 397.7 397.7 304.9 397.7 0.00 25 70 17760 -69.9 -96.9 1 27.0 -70.0 310 36 434.8 434.8 309.3 434.8 0.00 26 50 19750 -72.1 -98.1 1 26.0 -72.2 295 52 473.6 473.6 313.0 473.6 0.00 27 37 21516 -73.8 -99.1 1 25.3 -74.0 295 62 511.7 511.7 315.8 511.7 0.00 28 33 22182 -74.5 -99.5 1 25.0 -74.6 527.0 527.0 316.8 527.0 0.00 TRP 234 10481 -67.9 -91.9 2 24.0 -67.9 340 25 310.9 310.9 285.7 310.9 0.00 WND 37 21516 -73.8 -99.1 1 25.3 -74.0 295 62 511.7 511.7 315.8 511.7 0.00 Sounding variables and indices 1000-500 mb thick: 5194.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.08 inches Sfc-500 mean rel hum: 25.81 % Est. max temperature: -0.20 C = 31.64 F Sfc-Lift cond lev (LCL): 911.73 mb = 1049.11 m = 3441.91 ft T: -12.64 C 700-500 lapse rate: 6.45 C/km ThetaE index: 0.48 C Layer 1007.0-1000.0 mb Conv cond level (CCL): 511.11 mb = 5380.80 m = 17653.34 ft Mean mixing ratio: 0.67 g/kg Conv temperature: 24.37 C = 75.87 F Cap Strength: 26.77 C Lifted Index: 27.20 C Risk: None Lifted Index @300 mb: 28.37 C Lifted Index @700 mb: 21.98 C Showalter Index: 18.11 C Risk: None Total Totals Index: 15.40 C Risk: None Vertical Totals Index: 18.20 C Cross Totals Index: -2.80 C K Index: -35.10 Risk: None Sweat Index: 75.00 Risk: None Energy Index: 4.81 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 57.82 J/kg Max Up Vert Vel: 10.75 m/s Conv Inhibition (B-): 43033.88 J/kg Cap Strength: 27.14 C Lift Cond Lev (LCL): 855.93 mb = 1530.99 m = 5022.86 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 103 at 17 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 1023 176 40 5 -3.2 -3.8 | 299 16 13.8 -7.8 1 1000 346 105 23 -22.2 6.0 | 111 6 -5.2 2.0 2 925 939 105 31 -29.9 8.0 | 108 14 -12.9 4.1 3 850 1584 105 25 -24.1 6.5 | 110 8 -7.1 2.5 4 700 3061 80 19 -18.7 -3.3 | 13 7 -1.7 -7.2 5 500 5540 30 25 -12.5 -21.7 | 350 26 4.5 -25.6 6 400 7080 30 29 -14.5 -25.1 | 355 29 2.5 -29.0 7 300 8950 20 36 -12.3 -33.8 | 353 38 4.7 -37.8 8 250 10080 20 19 -6.5 -17.9 | 334 24 10.5 -21.8 9 234 10481 340 25 8.6 -23.5 | 317 37 25.6 -27.4 10 200 11430 335 21 8.9 -19.0 | 312 35 25.9 -23.0 11 150 13170 310 21 16.1 -13.5 | 298 37 33.1 -17.4 12 100 15620 305 27 22.1 -15.5 | 296 44 39.1 -19.4 13 70 17760 310 36 27.6 -23.1 | 301 52 44.6 -27.1 14 50 19750 295 52 47.1 -22.0 | 292 69 64.2 -25.9 Wind Parameters Mean winds (0-6000m): 73.0 at 23.3 knts Storm direction: 103.0 at 17.5 knts Shear (0-3000m) pos: 4.4 neg: 2.3 tot: 6.7 10-3/s Storm rel Dir Shear (0-3000m): 73.4 deg Storm rel helicity (0-3000m) pos: 32.7 neg: -19.2 tot: 13.6 m^2/s^2 ave: 4.5 10^-3 m/s^2 rel: 0.25 Storm rel vorticity (0-3000m) horiz: 9.0 stream: 2.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 3.22 Bulk Shear: 17.98 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 ------------------------------------------------------------------------------- 500 103 21 102 4| 26.5 0.0 26.5| 31.8 -0.7 31.1 62.3 0.75| 32.2 24.3 1000 104 25 107 8| 13.2 0.7 13.9| 32.1 -1.2 30.9 30.9 0.65| 18.7 12.1 1500 104 26 107 8| 8.8 1.0 9.8| 32.7 -2.5 30.3 20.2 0.57| 14.0 7.9 2000 103 25 104 8| 6.6 1.7 8.3| 32.7 -8.8 23.9 12.0 0.43| 11.6 5.0 2500 101 25 97 7| 5.3 2.1 7.4| 32.7 -14.6 18.1 7.3 0.32| 10.0 3.2 3000 99 24 88 6| 4.4 2.3 6.7| 32.7 -19.2 13.6 4.5 0.25| 9.0 2.2 4000 92 23 63 7| 3.3 2.6 5.9| 32.7 -24.9 7.9 2.0 0.19| 7.7 1.5 5000 83 23 40 9| 2.6 3.0 5.6| 32.7 -43.7 -11.0 -2.2 0.11| 7.0 0.8 6000 73 23 26 12| 2.2 2.8 5.0| 39.6 -54.8 -15.2 -2.5 0.10| 6.3 0.6 Wrote GIF file: /home/apache/climate/data/raob//U8951/skewt/U8951.skewt.20260115.12.gif