UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 22 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 1010 74 9.0 6.4 84 2.6 7.6 210 5 281.3 282.4 280.3 297.8 5.97 1 1000 156 9.2 6.5 83 2.7 7.8 220 15 282.4 283.4 281.0 299.1 6.07 2 996 189 9.2 6.6 84 2.6 7.8 223 16 282.7 283.7 281.2 299.6 6.14 3 974 376 14.4 11.5 83 2.9 12.7 240 20 289.7 291.3 286.9 314.5 8.78 4 925 810 12.0 5.0 62 7.0 8.3 280 31 291.6 292.6 284.8 308.6 5.91 5 908 965 11.8 4.8 62 7.0 8.0 280 31 292.9 294.0 285.4 310.1 5.94 6 906 984 11.6 4.6 62 7.0 7.9 280 31 292.9 294.0 285.2 309.9 5.87 7 850 1514 7.4 1.4 66 6.0 4.4 280 29 293.9 294.8 284.7 308.4 4.98 8 807 1938 4.2 -3.8 56 8.0 0.7 284 31 294.9 295.5 283.6 305.5 3.57 9 700 3076 -4.7 -11.7 58 7.0 -7.1 295 36 297.3 297.7 283.0 304.1 2.23 10 677 3338 -6.7 -12.7 62 6.0 -8.7 292 35 297.9 298.3 283.2 304.4 2.12 11 653 3618 -8.9 -13.6 69 4.7 -10.4 289 34 298.5 298.9 283.3 304.8 2.05 12 638 3798 -10.3 -15.3 67 5.0 -11.8 287 33 298.9 299.2 283.2 304.6 1.82 13 593 4359 -11.9 -15.5 75 3.6 -13.0 280 31 303.4 303.7 285.1 309.5 1.93 14 587 4437 -12.3 -16.3 72 4.0 -13.5 279 30 303.8 304.1 285.1 309.6 1.82 15 500 5640 -21.7 -32.7 36 11.0 -23.4 265 25 306.6 306.7 284.7 308.3 0.49 16 491 5773 -23.1 -34.1 36 11.0 -24.7 265 26 306.5 306.5 284.5 308.0 0.43 17 485 5862 -24.1 -36.1 32 12.0 -25.7 265 26 306.3 306.4 284.4 307.6 0.36 18 416 6956 -32.5 -48.5 19 16.0 -33.6 265 33 309.3 309.3 285.2 309.7 0.11 19 409 7075 -33.3 -49.3 19 16.0 -34.4 265 34 309.7 309.8 285.4 310.1 0.10 20 406 7126 -33.7 -49.7 18 16.0 -34.7 265 34 309.9 309.9 285.4 310.2 0.10 21 400 7230 -34.7 -50.7 18 16.0 -35.7 265 35 309.9 309.9 285.4 310.2 0.09 22 357 8017 -41.1 -54.1 23 13.0 -41.6 265 34 311.5 311.6 285.9 311.8 0.07 23 339 8369 -43.5 -56.5 22 13.0 -44.0 265 34 312.9 312.9 286.4 313.1 0.05 24 334 8469 -44.3 -56.3 25 12.0 -44.7 265 34 313.2 313.2 286.5 313.4 0.06 25 304 9093 -50.7 -62.7 23 12.0 -51.0 265 33 312.7 312.7 286.3 312.8 0.03 26 300 9180 -51.3 -62.3 26 11.0 -51.5 265 33 313.0 313.0 286.4 313.2 0.03 27 287 9465 -53.5 -64.5 25 11.0 -53.7 265 33 313.9 313.9 286.7 314.0 0.02 28 250 10340 -58.7 -68.7 26 10.0 -58.8 265 33 318.8 318.8 288.3 318.9 0.01 29 248 10390 -59.1 -69.1 26 10.0 -59.2 266 33 318.9 318.9 288.4 319.0 0.01 30 246 10441 -60.7 -70.7 26 10.0 -60.8 268 33 317.3 317.3 287.9 317.3 0.01 31 228 10912 -62.7 -72.7 25 10.0 -62.8 280 31 321.2 321.2 289.1 321.2 0.01 32 208 11477 -63.5 -73.5 24 10.0 -63.6 269 27 328.5 328.5 291.3 328.5 0.01 33 200 11720 -59.7 -69.7 26 10.0 -59.8 265 25 338.2 338.2 293.9 338.3 0.02 34 191 12009 -57.9 -67.9 27 10.0 -58.0 268 25 345.6 345.6 295.7 345.7 0.02 35 179 12419 -56.7 -66.7 27 10.0 -56.9 273 25 354.0 354.0 297.5 354.2 0.03 36 154 13381 -53.3 -64.3 25 11.0 -53.7 283 25 375.4 375.4 301.5 375.6 0.04 37 150 13550 -53.7 -65.7 22 12.0 -54.0 285 25 377.5 377.6 301.9 377.7 0.04 38 102 16015 -57.7 -74.7 10 17.0 -58.0 295 27 413.9 413.9 307.0 414.0 0.01 39 100 16140 -57.3 -74.3 10 17.0 -57.7 295 27 417.0 417.0 307.4 417.1 0.02 40 92 16666 -56.5 -74.5 9 18.0 -56.9 296 26 428.7 428.7 308.7 428.8 0.02 41 70 18390 -57.5 -77.5 6 20.0 -58.0 300 21 461.4 461.4 311.9 461.5 0.01 42 55 19916 -58.5 -78.5 6 20.0 -59.1 307 21 492.0 492.0 314.4 492.1 0.02 43 50 20520 -56.1 -77.1 6 21.0 -57.0 310 21 511.3 511.3 315.7 511.4 0.02 44 48 20780 -55.1 -77.1 5 22.0 -56.1 519.7 519.7 316.3 519.8 0.02 45 44 21332 -58.1 -79.1 5 21.0 -58.9 525.4 525.4 316.6 525.5 0.02 46 42 21627 -55.9 -77.9 5 22.0 -56.9 537.9 537.9 317.4 538.1 0.02 TRP 228 10912 -62.7 -72.7 25 10.0 -62.8 280 31 321.2 321.2 289.1 321.2 0.01 WND Sounding variables and indices 1000-500 mb thick: 5484.00 m Freezing level: 756.51 mb = 2475.24 m = 8120.78 ft Wetbulb zero: 797.88 mb = 2029.30 m = 6657.74 ft Precipitable water: 0.75 inches Sfc-500 mean rel hum: 62.50 % Est. max temperature: 21.41 C = 70.53 F Sfc-Lift cond lev (LCL): 970.80 mb = 403.77 m = 1324.69 ft T: 14.25 C 700-500 lapse rate: 6.63 C/km ThetaE index: 6.00 C Layer 906.0- 677.0 mb Conv cond level (CCL): 827.32 mb = 1735.05 m = 5692.36 ft Mean mixing ratio: 6.97 g/kg Conv temperature: 22.11 C = 71.79 F Cap Strength: 4.12 C Lifted Index: 1.54 C Risk: Showers probable Lifted Index @300 mb: 3.41 C Lifted Index @700 mb: 0.14 C Showalter Index: 1.60 C Risk: Showers probable Total Totals Index: 52.20 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 29.10 C Cross Totals Index: 23.10 C K Index: 23.50 Risk: 20-40 % chance of thunderstorms Sweat Index: 163.80 Risk: None Energy Index: -0.05 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 53.17 J/kg Max Up Vert Vel: 10.31 m/s Conv Inhibition (B-): 198.33 J/kg Cap Strength: 4.12 C Lift Cond Lev (LCL): 898.59 mb = 1052.17 m = 3451.96 ft Lev Free Conv (LFC): 683.59 mb = 3261.84 m = 10701.45 ft Equ Level (EL): 623.59 mb = 3972.89 m = 13034.25 ft B at Equ Level: 52.94 J/kg Max Parcel Lev (MPL): 543.59 mb = 5013.00 m = 16446.66 ft Wind level data Storm motion: 311 at 22 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 1010 74 210 5 2.5 4.3 | 143 24 -14.2 18.9 1 1000 156 220 15 9.6 11.5 | 165 27 -7.1 26.1 2 925 810 280 31 30.5 -5.4 | 236 17 13.8 9.2 3 850 1514 280 29 28.6 -5.0 | 231 15 11.8 9.6 4 700 3076 295 36 32.6 -15.2 | 272 16 15.9 -0.6 5 500 5640 265 25 24.9 2.2 | 206 19 8.2 16.8 6 400 7230 265 35 34.9 3.1 | 226 25 18.1 17.6 7 300 9180 265 33 32.9 2.9 | 223 24 16.1 17.5 8 250 10340 265 33 32.9 2.9 | 223 24 16.1 17.5 9 228 10912 280 31 30.5 -5.4 | 236 17 13.8 9.2 10 200 11720 265 25 24.9 2.2 | 206 19 8.2 16.8 11 150 13550 285 25 24.1 -6.5 | 222 11 7.4 8.1 12 100 16140 295 27 24.5 -11.4 | 248 8 7.7 3.2 13 70 18390 300 21 18.2 -10.5 | 199 4 1.4 4.1 14 50 20520 310 21 16.1 -13.5 | 149 1 -0.7 1.1 Wind Parameters Mean winds (0-6000m): 281.1 at 29.6 knts Storm direction: 311.1 at 22.2 knts Shear (0-3000m) pos: 6.2 neg: 0.0 tot: 6.2 10-3/s Storm rel Dir Shear (0-3000m): 129.1 deg Storm rel helicity (0-3000m) pos: 262.0 neg: -5.2 tot: 256.8 m^2/s^2 ave: 85.6 10^-3 m/s^2 rel: 0.89 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 7.9 10^-3/s Energy-Hel index: 0.08 Bulk Rich Number: 1.08 Bulk Shear: 49.32 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 ------------------------------------------------------------------------------- 500 242 18 179 23| 22.9 0.0 22.9|164.0 0.0 164.0 328.0 0.94| 27.8 26.1 1000 267 24 204 18| 14.9 0.0 14.9|218.3 -1.7 216.6 216.6 0.91| 20.4 18.6 1500 272 26 214 16| 9.6 0.0 9.6|219.6 -5.2 214.4 142.9 0.87| 14.1 12.2 2000 275 27 220 16| 7.9 0.0 7.9|233.1 -5.2 227.9 113.9 0.88| 11.4 10.0 2500 278 28 227 15| 6.8 0.0 6.8|247.1 -5.2 242.0 96.8 0.88| 9.9 8.7 3000 282 29 234 15| 6.2 0.0 6.2|262.0 -5.2 256.8 85.6 0.89| 8.9 7.9 4000 284 30 240 15| 4.6 1.0 5.7|262.0 -38.8 223.2 55.8 0.64| 7.7 4.9 5000 283 30 239 15| 3.7 1.6 5.3|262.0 -70.5 191.5 38.3 0.46| 6.9 3.2 6000 281 30 234 15| 3.1 1.6 4.6|272.6 -87.3 185.4 30.9 0.40| 6.3 2.5 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250422.00.gif