UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 17 APR 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 1008 68 1.6 -2.6 74 4.2 -0.0 320 11 274.1 274.6 272.7 282.7 3.13 1 1000 132 0.8 -3.2 75 4.0 -0.7 325 15 274.0 274.5 272.4 282.2 3.01 2 983 269 -1.3 -5.0 76 3.7 -2.6 327 19 273.2 273.6 271.5 280.5 2.68 3 942 607 -3.7 -7.5 75 3.8 -5.0 333 29 274.1 274.5 271.4 280.5 2.30 4 925 751 -4.9 -8.2 78 3.3 -6.0 335 33 274.3 274.7 271.4 280.5 2.22 5 850 1410 -9.7 -12.4 81 2.7 -10.4 335 31 276.0 276.3 271.6 280.9 1.73 6 700 2882 -19.1 -21.7 80 2.6 -19.6 310 40 281.3 281.5 273.6 284.2 0.96 7 694 2946 -19.5 -22.1 80 2.6 -20.0 309 40 281.6 281.7 273.7 284.4 0.94 8 648 3449 -24.1 -26.5 80 2.4 -24.5 305 42 282.0 282.1 273.5 284.0 0.68 9 639 3550 -25.3 -28.0 78 2.7 -25.6 305 42 281.7 281.8 273.2 283.5 0.60 10 576 4299 -27.1 -38.1 34 11.0 -28.2 298 45 288.1 288.1 276.1 288.9 0.25 11 574 4324 -27.3 -38.3 34 11.0 -28.3 298 45 288.2 288.2 276.1 289.0 0.24 12 567 4412 -27.9 -38.9 34 11.0 -28.9 297 45 288.5 288.5 276.3 289.2 0.23 13 500 5300 -34.9 -44.9 35 10.0 -35.5 290 48 290.5 290.5 277.2 291.0 0.14 14 474 5673 -37.3 -47.3 35 10.0 -37.8 289 49 292.0 292.0 277.9 292.4 0.11 15 458 5910 -40.3 -49.3 38 9.0 -40.7 288 50 291.1 291.1 277.4 291.4 0.09 16 454 5970 -40.7 -49.7 37 9.0 -41.1 288 50 291.3 291.4 277.5 291.7 0.09 17 425 6420 -42.3 -51.3 37 9.0 -42.6 286 51 294.9 294.9 279.1 295.1 0.08 18 412 6630 -43.5 -52.5 36 9.0 -43.8 285 52 295.9 296.0 279.6 296.2 0.07 19 400 6830 -43.5 -53.5 32 10.0 -43.8 290 50 298.5 298.5 280.8 298.7 0.07 20 366 7426 -44.9 -56.9 25 12.0 -45.3 293 51 304.3 304.3 283.2 304.4 0.05 21 300 8760 -43.3 -59.3 16 16.0 -43.9 300 52 324.3 324.3 290.1 324.5 0.04 22 279 9246 -43.1 -60.1 14 17.0 -43.7 298 50 331.4 331.4 292.2 331.6 0.04 23 250 9980 -44.1 -63.1 10 19.0 -44.7 295 48 340.5 340.5 294.5 340.6 0.03 24 213 11056 -45.5 -65.5 9 20.0 -46.2 288 44 354.3 354.3 297.5 354.4 0.03 25 200 11480 -43.3 -64.3 8 21.0 -44.2 285 42 364.2 364.2 299.5 364.4 0.03 26 189 11859 -42.9 -63.9 8 21.0 -43.9 284 42 370.8 370.8 300.7 371.0 0.04 27 150 13390 -48.7 -69.7 7 21.0 -49.4 280 42 386.2 386.2 303.2 386.3 0.02 28 100 16040 -51.7 -72.7 6 21.0 -52.4 285 31 427.8 427.8 308.6 427.9 0.02 29 80 17495 -50.5 -71.5 7 21.0 -51.5 285 25 458.5 458.5 311.7 458.7 0.03 30 76 17828 -53.7 -74.7 6 21.0 -54.5 285 23 458.6 458.6 311.7 458.7 0.02 31 70 18360 -51.7 -72.7 6 21.0 -52.7 285 21 473.8 473.8 313.0 474.0 0.03 32 50 20540 -50.9 -72.9 6 22.0 -52.4 355 13 523.5 523.5 316.5 523.8 0.04 33 48 20807 -50.3 -72.3 6 22.0 -52.0 357 13 531.1 531.1 317.0 531.4 0.05 34 46 21084 -52.5 -73.5 6 21.0 -53.8 358 13 532.3 532.3 317.1 532.6 0.04 35 30 23850 -52.5 -73.5 6 21.0 -54.4 15 11 601.5 601.5 320.7 602.0 0.06 36 28 24295 -52.5 -73.5 6 21.0 -54.5 18 13 613.5 613.5 321.2 614.0 0.07 37 23 25567 -51.7 -73.7 5 22.0 -54.3 25 19 651.4 651.4 322.7 652.0 0.08 38 21 26155 -52.5 -73.5 6 21.0 -55.1 28 22 666.1 666.2 323.3 666.8 0.09 39 20 26470 -53.1 -74.1 6 21.0 -55.6 30 23 673.6 673.7 323.6 674.3 0.08 40 18 27150 -52.5 -73.5 6 21.0 -55.4 696.1 696.2 324.3 697.0 0.10 41 18 27150 -52.5 -73.5 6 21.0 -55.4 696.1 696.2 324.3 697.0 0.10 42 12 29773 -52.1 -73.1 6 21.0 -56.0 783.1 783.2 326.8 784.7 0.16 TRP 412 6630 -43.5 -52.5 36 9.0 -43.8 285 52 295.9 296.0 279.6 296.2 0.07 WND Sounding variables and indices 1000-500 mb thick: 5168.00 m Freezing level: 993.52 mb = 184.28 m = 604.59 ft Wetbulb zero: Below ground Precipitable water: 0.27 inches Sfc-500 mean rel hum: 66.76 % Est. max temperature: 3.28 C = 37.91 F Sfc-Lift cond lev (LCL): 944.24 mb = 588.56 m = 1930.96 ft T: -3.57 C 700-500 lapse rate: 6.53 C/km ThetaE index: 2.20 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 887.21 mb = 1076.11 m = 3530.51 ft Mean mixing ratio: 2.50 g/kg Conv temperature: 2.62 C = 36.71 F Cap Strength: 7.41 C Lifted Index: 8.38 C Risk: None Lifted Index @300 mb: 30.86 C Lifted Index @700 mb: 2.97 C Showalter Index: 8.32 C Risk: None Total Totals Index: 47.70 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 22.50 C K Index: 10.20 Risk: None Sweat Index: 110.00 Risk: None Energy Index: 2.07 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 4.90 J/kg Max Up Vert Vel: 3.13 m/s Conv Inhibition (B-): 69847.86 J/kg Cap Strength: 8.35 C Lift Cond Lev (LCL): 903.96 mb = 930.31 m = 3052.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 337 at 29 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 1008 68 320 11 7.1 -8.4 | 167 19 -4.4 18.6 1 1000 132 325 15 8.6 -12.3 | 169 15 -2.9 14.8 2 925 751 335 33 13.9 -29.9 | 319 4 2.5 -2.9 3 850 1410 335 31 13.1 -28.1 | 303 2 1.6 -1.1 4 700 2882 310 40 30.6 -25.7 | 266 19 19.2 1.3 5 500 5300 290 48 45.1 -16.4 | 252 35 33.7 10.6 6 412 6630 285 52 50.2 -13.5 | 251 41 38.8 13.6 7 400 6830 290 50 47.0 -17.1 | 254 37 35.5 9.9 8 300 8760 300 52 45.0 -26.0 | 268 34 33.6 1.0 9 250 9980 295 48 43.5 -20.3 | 258 33 32.0 6.8 10 200 11480 285 42 40.6 -10.9 | 241 33 29.1 16.2 11 150 13390 280 42 41.4 -7.3 | 237 36 29.9 19.7 12 100 16040 285 31 29.9 -8.0 | 224 27 18.5 19.0 13 70 18360 285 21 20.3 -5.4 | 202 23 8.8 21.6 14 50 20540 355 13 1.1 -13.0 | 144 17 -10.3 14.1 15 30 23850 15 11 -2.8 -10.6 | 139 22 -14.3 16.4 16 20 26470 30 23 -11.5 -19.9 | 107 24 -23.0 7.1 Wind Parameters Mean winds (0-6000m): 307.0 at 39.2 knts Storm direction: 337.0 at 29.4 knts Shear (0-3000m) pos: 3.7 neg: 3.2 tot: 6.9 10-3/s Storm rel Dir Shear (0-3000m): 98.3 deg Storm rel helicity (0-3000m) pos: 15.7 neg: -16.0 tot: -0.3 m^2/s^2 ave: -0.1 10^-3 m/s^2 rel: 0.11 Storm rel vorticity (0-3000m) horiz: 7.5 stream: 0.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.08 Bulk Shear: 62.42 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 ------------------------------------------------------------------------------- 500 329 20 174 10| 17.6 0.0 17.6| 12.7 0.0 12.7 25.5 0.32| 17.7 5.6 1000 333 26 186 4| 11.1 0.0 11.1| 15.7 -0.3 15.4 15.4 0.43| 12.3 5.3 1500 334 28 205 2| 7.4 0.5 7.9| 15.7 -1.0 14.7 9.8 0.35| 9.1 3.2 2000 332 29 242 3| 5.6 1.8 7.4| 15.7 -3.2 12.5 6.2 0.24| 8.3 2.0 2500 329 31 260 5| 4.4 2.8 7.2| 15.7 -8.4 7.3 2.9 0.16| 7.9 1.3 3000 325 32 264 7| 3.7 3.2 6.9| 15.7 -16.0 -0.3 -0.1 0.11| 7.5 0.8 4000 319 35 265 12| 2.8 3.3 6.0| 15.7 -30.5 -14.8 -3.7 0.05| 6.5 0.3 5000 312 37 263 16| 2.2 3.3 5.6| 15.7 -54.5 -38.9 -7.8 -0.01| 6.0 -0.1 6000 307 39 260 20| 1.9 3.2 5.1| 15.7 -67.8 -52.1 -8.7 -0.03| 5.4 -0.2 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250417.00.gif