UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101012.upa.cvt Date: 1200Z 10 OCT 25 Searching for U4908... Searching the city database file for: U4908 ... Date:1200Z 10 OCT 25 Station: U4908 WMO ident: 24908 Latitude: 60.33 Longitude: 102.27 ------------------------------------------------------------------------------- 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 1005 258 -6.3 -10.2 74 3.9 -7.4 300 1 266.5 266.8 265.5 271.2 1.75 1 1000 297 -6.9 -11.4 70 4.5 -8.1 270 5 266.2 266.5 265.0 270.6 1.60 2 925 900 -11.9 -15.6 74 3.7 -12.7 5 5 267.1 267.3 265.0 270.5 1.22 3 850 1541 -16.5 -18.9 82 2.4 -17.0 25 11 268.9 269.0 265.8 271.7 1.01 4 839 1639 -17.3 -19.6 82 2.3 -17.7 28 11 269.0 269.2 265.8 271.8 0.96 5 827 1747 -14.7 -17.0 83 2.3 -15.2 31 12 272.9 273.1 268.9 276.3 1.22 6 700 3002 -17.9 -20.5 80 2.6 -18.4 65 15 282.7 282.8 274.5 285.9 1.07 7 671 3318 -18.9 -21.6 79 2.7 -19.4 65 17 285.0 285.2 275.6 288.0 1.01 8 537 4950 -27.5 -30.6 75 3.1 -27.9 65 24 293.5 293.6 279.2 295.3 0.56 9 500 5460 -30.9 -34.1 73 3.2 -31.2 65 27 295.4 295.4 279.9 296.8 0.43 10 400 7000 -41.1 -44.4 70 3.3 -41.3 70 40 301.6 301.6 282.3 302.2 0.18 11 399 7017 -41.3 -44.6 70 3.3 -41.5 70 40 301.5 301.6 282.3 302.2 0.18 12 313 8628 -54.3 -57.4 69 3.1 -54.4 74 52 305.1 305.1 283.5 305.3 0.05 13 300 8900 -55.5 -58.6 68 3.1 -55.6 75 54 307.1 307.1 284.3 307.3 0.05 14 274 9471 -59.3 -62.4 67 3.1 -59.3 75 60 309.7 309.7 285.2 309.8 0.03 15 260 9797 -61.5 -64.6 66 3.1 -61.5 75 56 311.1 311.1 285.8 311.2 0.02 16 250 10040 -60.9 -64.0 67 3.1 -60.9 75 46 315.5 315.5 287.3 315.6 0.03 17 214 11012 -56.5 -59.7 67 3.2 -56.6 61 33 336.7 336.7 293.6 337.0 0.06 18 200 11440 -55.9 -59.1 67 3.2 -56.0 55 27 344.2 344.3 295.4 344.5 0.07 19 190 11767 -54.5 -57.8 67 3.3 -54.6 56 25 351.6 351.6 297.0 351.9 0.08 20 150 13280 -54.9 -58.7 63 3.8 -55.1 60 13 375.5 375.5 301.6 375.9 0.09 21 100 15870 -55.3 -59.8 57 4.5 -55.5 60 5 420.9 420.9 307.9 421.5 0.12 22 70 18140 -56.7 -61.7 53 5.0 -57.0 80 1 463.1 463.1 312.1 463.9 0.14 23 67 18418 -57.3 -62.3 53 5.0 -57.6 101 2 467.6 467.7 312.5 468.4 0.13 24 50 20270 -58.1 -63.1 53 5.0 -58.5 240 7 506.6 506.6 315.5 507.6 0.16 25 37 22173 -55.7 -61.7 47 6.0 -56.3 243 14 558.3 558.4 318.6 560.1 0.26 26 30 23510 -54.7 -60.7 47 6.0 -55.5 245 19 595.5 595.6 320.5 598.2 0.36 27 20 26130 -51.3 -57.3 49 6.0 -52.8 215 23 679.1 679.5 324.0 686.1 0.83 28 16 27589 -48.5 -55.5 44 7.0 -50.9 733.0 733.6 325.8 744.7 1.29 TRP 260 9797 -61.5 -64.6 66 3.1 -61.5 75 56 311.1 311.1 285.8 311.2 0.02 WND 274 9471 -59.3 -62.4 67 3.1 -59.3 75 60 309.7 309.7 285.2 309.8 0.03 Sounding variables and indices 1000-500 mb thick: 5163.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.24 inches Sfc-500 mean rel hum: 77.61 % Est. max temperature: -4.02 C = 24.76 F Sfc-Lift cond lev (LCL): 944.61 mb = 737.77 m = 2420.46 ft T: -10.55 C 700-500 lapse rate: 5.29 C/km ThetaE index: 0.68 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 876.22 mb = 1310.69 m = 4300.10 ft Mean mixing ratio: 1.38 g/kg Conv temperature: -4.52 C = 23.87 F Cap Strength: 19.41 C Lifted Index: 20.47 C Risk: None Lifted Index @300 mb: 25.87 C Lifted Index @700 mb: 12.08 C Showalter Index: 19.59 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 14.40 C Cross Totals Index: 12.00 C K Index: -7.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 5.34 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 3.52 J/kg Max Up Vert Vel: 2.65 m/s Conv Inhibition (B-): 54335.18 J/kg Cap Strength: 20.32 C Lift Cond Lev (LCL): 895.88 mb = 1142.47 m = 3748.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 89 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 1005 258 300 1 0.9 -0.5 | 271 14 13.9 -0.3 1 1000 297 270 5 5.0 -0.0 | 269 18 18.0 0.2 2 925 900 5 5 -0.4 -5.0 | 291 13 12.6 -4.8 3 850 1541 25 11 -4.6 -10.0 | 319 13 8.3 -9.8 4 700 3002 65 15 -13.6 -6.3 | 6 6 -0.6 -6.1 5 500 5460 65 27 -24.5 -11.4 | 46 16 -11.5 -11.2 6 400 7000 70 40 -37.6 -13.7 | 61 28 -24.6 -13.5 7 300 8900 75 54 -52.2 -14.0 | 71 42 -39.2 -13.8 8 274 9471 75 60 -58.0 -15.5 | 71 48 -45.0 -15.3 9 260 9797 75 56 -54.1 -14.5 | 71 44 -41.1 -14.3 10 250 10040 75 46 -44.4 -11.9 | 70 34 -31.4 -11.7 11 200 11440 55 27 -22.1 -15.5 | 31 18 -9.1 -15.3 12 150 13280 60 13 -11.3 -6.5 | 345 7 1.7 -6.3 13 100 15870 60 5 -4.3 -2.5 | 285 9 8.7 -2.3 14 70 18140 80 1 -1.0 -0.2 | 270 12 12.0 0.0 15 50 20270 240 7 6.1 3.5 | 259 19 19.1 3.7 16 30 23510 245 19 17.2 8.0 | 255 31 30.2 8.2 17 20 26130 215 23 13.2 18.8 | 234 32 26.2 19.0 Wind Parameters Mean winds (0-6000m): 59.1 at 17.3 knts Storm direction: 89.1 at 13.0 knts Shear (0-3000m) pos: 2.9 neg: 0.0 tot: 2.9 10-3/s Storm rel Dir Shear (0-3000m): 103.3 deg Storm rel helicity (0-3000m) pos: 68.0 neg: 0.0 tot: 68.0 m^2/s^2 ave: 22.7 10^-3 m/s^2 rel: 0.71 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.07 Bulk Shear: 52.06 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 ------------------------------------------------------------------------------- 500 305 5 279 17| 4.4 0.0 4.4| 21.4 0.0 21.4 42.9 0.50| 9.8 4.9 1000 345 6 290 15| 4.2 0.0 4.2| 37.4 0.0 37.4 37.4 0.62| 7.7 4.8 1500 9 7 300 14| 4.0 0.0 4.0| 51.1 0.0 51.1 34.1 0.69| 6.6 4.5 2000 21 8 307 13| 3.4 0.0 3.4| 58.0 0.0 58.0 29.0 0.70| 5.8 4.0 2500 32 9 314 11| 3.1 0.0 3.1| 63.8 0.0 63.8 25.5 0.70| 5.4 3.7 3000 40 10 321 10| 2.9 0.0 2.9| 68.0 0.0 68.0 22.7 0.71| 5.0 3.5 4000 50 12 336 8| 2.2 0.6 2.8| 74.9 0.0 74.9 18.7 0.70| 4.4 3.0 5000 56 15 355 8| 1.7 1.0 2.7| 81.8 0.0 81.8 16.4 0.66| 4.0 2.6 6000 59 17 12 9| 2.1 0.8 2.9| 98.9 0.0 98.9 16.5 0.62| 4.0 2.5 Wrote GIF file: /home/apache/climate/data/raob//U4908/skewt/U4908.skewt.20251010.12.gif