UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042112.upa.cvt Date: 1200Z 21 APR 25 Searching for U3955... Searching the city database file for: U3955 ... Date:1200Z 21 APR 25 Station: U3955 WMO ident: 23955 Latitude: 60.43 Longitude: 77.87 ------------------------------------------------------------------------------- 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 45 -2.1 -8.1 63 6.0 -4.0 290 9 270.2 270.5 268.5 275.8 2.05 1 1000 132 -2.5 -8.5 63 6.0 -4.4 290 9 270.6 271.0 268.8 276.2 2.01 2 925 743 -8.7 -11.5 80 2.8 -9.5 305 17 270.4 270.7 268.1 275.2 1.71 3 900 954 -10.7 -12.2 89 1.5 -11.1 308 20 270.5 270.8 268.1 275.1 1.66 4 869 1224 -9.7 -12.5 80 2.8 -10.5 312 23 274.2 274.5 270.5 279.0 1.68 5 850 1394 -11.3 -13.0 87 1.7 -11.8 315 25 274.3 274.6 270.5 279.0 1.65 6 792 1931 -15.3 -16.7 89 1.4 -15.6 319 29 275.6 275.9 270.8 279.4 1.31 7 700 2858 -18.3 -23.2 65 4.9 -19.2 325 35 282.2 282.4 273.9 284.8 0.84 8 648 3432 -20.3 -28.3 49 8.0 -21.5 323 42 286.3 286.4 275.6 288.0 0.57 9 500 5310 -31.5 -46.5 21 15.0 -32.5 315 64 294.6 294.7 279.1 295.0 0.12 10 461 5882 -33.5 -54.5 10 21.0 -34.6 317 70 299.1 299.1 281.0 299.2 0.05 11 424 6466 -35.3 -56.3 10 21.0 -36.2 319 77 304.0 304.0 283.1 304.2 0.04 12 400 6870 -37.3 -56.3 12 19.0 -38.1 320 81 306.5 306.5 284.1 306.7 0.05 13 349 7797 -42.3 -60.3 12 18.0 -42.9 320 93 311.9 312.0 286.1 312.1 0.03 14 331 8151 -44.8 -62.8 12 18.0 -45.3 320 97 313.3 313.3 286.5 313.4 0.02 15 311 8564 -47.7 -65.7 11 18.0 -48.1 320 94 314.9 314.9 287.1 314.9 0.02 16 300 8800 -48.5 -66.5 11 18.0 -48.8 320 93 317.0 317.0 287.8 317.1 0.02 17 275 9372 -50.1 -68.1 10 18.0 -50.4 320 87 322.7 322.7 289.6 322.7 0.01 18 250 10000 -47.9 -65.9 11 18.0 -48.3 315 79 334.9 334.9 293.0 334.9 0.02 19 215 10994 -47.7 -68.7 7 21.0 -48.3 315 61 349.9 349.9 296.6 350.0 0.02 20 200 11470 -48.7 -69.7 7 21.0 -49.2 315 52 355.7 355.7 297.8 355.7 0.02 21 150 13360 -49.1 -71.1 6 22.0 -49.8 310 42 385.5 385.5 303.1 385.5 0.02 22 100 16010 -51.3 -73.3 6 22.0 -52.1 300 29 428.6 428.6 308.7 428.7 0.02 23 85 17064 -52.1 -74.1 5 22.0 -52.9 300 27 447.4 447.4 310.6 447.5 0.02 24 70 18320 -52.3 -74.3 5 22.0 -53.2 300 25 472.5 472.5 312.8 472.6 0.02 25 50 20490 -55.1 -77.1 5 22.0 -56.1 290 19 513.6 513.6 315.9 513.8 0.02 26 38 22245 -55.9 -77.9 5 22.0 -57.1 277 18 553.5 553.5 318.3 553.7 0.02 27 30 23760 -53.7 -75.7 5 22.0 -55.4 265 17 598.2 598.3 320.5 598.6 0.04 28 20 26380 -50.9 -72.9 6 22.0 -53.9 235 21 680.4 680.4 323.8 681.2 0.10 29 16 27844 -48.9 -71.9 5 23.0 -53.1 219 24 731.7 731.8 325.4 733.1 0.15 30 10 30990 -41.3 -65.3 6 24.0 -50.2 185 31 865.4 865.7 328.8 871.7 0.59 31 7.8 32689 -38.1 -63.1 6 25.0 -49.7 941.9 942.5 330.4 953.9 1.01 TRP 275 9372 -50.1 -68.1 10 18.0 -50.4 320 87 322.7 322.7 289.6 322.7 0.01 WND 331 8151 -44.8 -62.8 12 18.0 -45.3 320 97 313.3 313.3 286.5 313.4 0.02 Sounding variables and indices 1000-500 mb thick: 5178.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 60.60 % Est. max temperature: 1.98 C = 35.57 F Sfc-Lift cond lev (LCL): 919.88 mb = 785.81 m = 2578.08 ft T: -9.11 C 700-500 lapse rate: 5.38 C/km ThetaE index: 1.08 C Layer 925.0- 869.0 mb Conv cond level (CCL): 844.56 mb = 1442.81 m = 4733.56 ft Mean mixing ratio: 1.85 g/kg Conv temperature: 2.15 C = 35.86 F Cap Strength: 10.62 C Lifted Index: 15.88 C Risk: None Lifted Index @300 mb: 29.35 C Lifted Index @700 mb: 7.70 C Showalter Index: 13.25 C Risk: None Total Totals Index: 38.70 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 18.50 C K Index: 2.30 Risk: None Sweat Index: 114.00 Risk: None Energy Index: 3.37 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.71 J/kg Max Up Vert Vel: 1.19 m/s Conv Inhibition (B-): 66536.88 J/kg Cap Strength: 15.61 C Lift Cond Lev (LCL): 897.06 mb = 979.47 m = 3213.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 347 at 30 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 45 290 9 8.5 -3.1 | 184 26 1.9 26.2 1 1000 132 290 9 8.5 -3.1 | 184 26 1.9 26.2 2 925 743 305 17 13.9 -9.8 | 201 21 7.4 19.5 3 850 1394 315 25 17.7 -17.7 | 224 16 11.1 11.6 4 700 2858 325 35 20.1 -28.7 | 268 14 13.5 0.6 5 500 5310 315 64 45.3 -45.3 | 292 42 38.7 -16.0 6 400 6870 320 81 52.1 -62.0 | 306 56 45.5 -32.8 7 331 8151 320 97 62.4 -74.3 | 309 72 55.8 -45.1 8 300 8800 320 93 59.8 -71.2 | 308 68 53.2 -42.0 9 275 9372 320 87 55.9 -66.6 | 307 62 49.4 -37.4 10 250 10000 315 79 55.9 -55.9 | 298 56 49.3 -26.6 11 200 11470 315 52 36.8 -36.8 | 284 31 30.2 -7.5 12 150 13360 310 42 32.2 -27.0 | 265 26 25.6 2.3 13 100 16010 300 29 25.1 -14.5 | 232 24 18.6 14.8 14 70 18320 300 25 21.7 -12.5 | 222 23 15.1 16.8 15 50 20490 290 19 17.9 -6.5 | 206 25 11.3 22.8 16 30 23760 265 17 16.9 1.5 | 199 32 10.4 30.7 17 20 26380 235 21 17.2 12.0 | 194 43 10.7 41.3 18 10 30990 185 31 2.7 30.9 | 176 60 -3.8 60.1 Wind Parameters Mean winds (0-6000m): 317.4 at 40.0 knts Storm direction: 347.4 at 30.0 knts Shear (0-3000m) pos: 5.2 neg: 0.0 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 89.4 deg Storm rel helicity (0-3000m) pos: 125.9 neg: 0.0 tot: 125.9 m^2/s^2 ave: 42.0 10^-3 m/s^2 rel: 0.86 Storm rel vorticity (0-3000m) horiz: 5.3 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.01 Bulk Shear: 117.91 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 ------------------------------------------------------------------------------- 500 295 11 188 25| 5.9 0.0 5.9| 30.3 0.0 30.3 60.6 0.80| 6.0 4.8 1000 302 14 195 22| 6.5 0.0 6.5| 60.1 0.0 60.1 60.1 0.80| 6.5 5.2 1500 308 17 201 20| 6.3 0.0 6.3| 83.0 0.0 83.0 55.4 0.82| 6.4 5.2 2000 311 20 208 18| 5.7 0.0 5.7| 97.2 0.0 97.2 48.6 0.84| 5.8 4.8 2500 314 22 215 17| 5.3 0.0 5.3|111.3 0.0 111.3 44.5 0.86| 5.4 4.7 3000 317 24 222 15| 5.2 0.0 5.2|125.9 0.0 125.9 42.0 0.86| 5.3 4.6 4000 319 29 239 15| 3.9 1.6 5.5|152.6 0.0 152.6 38.2 0.73| 5.6 4.1 5000 318 34 258 17| 3.1 2.5 5.6|168.4 0.0 168.4 33.7 0.60| 5.7 3.5 6000 317 40 270 21| 3.1 2.6 5.7|234.3 0.0 234.3 39.0 0.58| 5.8 3.4 Wrote GIF file: /home/apache/climate/data/raob//U3955/skewt/U3955.skewt.20250421.12.gif