UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042500.upa.cvt Date: 0000Z 25 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 25 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 1004 74 14.6 8.6 67 6.0 11.2 200 1 287.4 288.6 284.2 307.1 6.99 1 1000 108 15.0 9.0 67 6.0 11.6 200 5 288.1 289.4 284.7 308.5 7.21 2 978 297 17.0 9.0 59 8.0 12.3 210 12 292.0 293.3 286.4 313.1 7.38 3 925 769 14.8 3.8 48 11.0 8.9 235 31 294.4 295.4 285.4 310.3 5.43 4 911 898 13.8 2.8 47 11.0 8.0 237 31 294.7 295.6 285.2 309.7 5.14 5 906 944 13.6 2.6 47 11.0 7.9 237 31 295.0 295.9 285.2 309.9 5.09 6 900 1000 13.0 2.0 47 11.0 7.3 238 30 294.9 295.8 285.1 309.3 4.91 7 850 1477 8.8 -0.2 53 9.0 4.4 245 29 295.4 296.2 284.7 308.4 4.43 8 788 2097 3.2 -1.8 70 5.0 0.9 245 25 295.8 296.6 284.7 308.4 4.25 9 700 3044 -3.9 -5.9 86 2.0 -4.7 245 19 298.2 298.8 284.8 308.8 3.51 10 689 3169 -5.1 -7.0 86 1.9 -5.8 245 20 298.2 298.8 284.6 308.1 3.28 11 681 3260 -5.7 -7.8 85 2.1 -6.5 245 20 298.5 299.1 284.5 308.0 3.12 12 674 3341 -6.7 -9.0 84 2.3 -7.5 246 20 298.3 298.8 284.2 307.0 2.87 13 529 5192 -18.1 -23.1 65 5.0 -19.3 249 29 306.0 306.2 285.2 309.7 1.13 14 500 5610 -21.5 -26.5 64 5.0 -22.5 250 31 306.8 307.0 285.2 309.7 0.88 15 481 5894 -23.3 -28.3 63 5.0 -24.2 249 30 308.0 308.2 285.5 310.6 0.77 16 428 6734 -30.1 -37.1 50 7.0 -30.9 247 28 309.8 309.9 285.7 311.1 0.37 17 422 6834 -31.1 -38.1 50 7.0 -31.9 246 28 309.8 309.9 285.7 311.0 0.34 18 420 6868 -31.1 -38.1 50 7.0 -31.9 246 28 310.2 310.3 285.8 311.4 0.34 19 400 7210 -34.9 -40.9 54 6.0 -35.4 245 27 309.6 309.7 285.5 310.6 0.27 20 344 8241 -43.7 -48.7 58 5.0 -43.9 250 26 311.3 311.4 286.0 311.8 0.13 21 309 8949 -51.3 -56.3 55 5.0 -51.4 254 25 310.4 310.4 285.5 310.6 0.06 22 300 9140 -52.5 -57.5 55 5.0 -52.6 255 25 311.3 311.4 285.9 311.6 0.05 23 277 9652 -56.1 -61.1 53 5.0 -56.2 257 28 313.3 313.3 286.5 313.5 0.04 24 270 9815 -57.5 -62.5 53 5.0 -57.6 258 28 313.6 313.6 286.6 313.7 0.03 25 250 10300 -59.3 -64.3 52 5.0 -59.4 260 31 317.9 317.9 288.1 318.0 0.03 26 235 10687 -60.9 -65.8 52 4.9 -61.0 265 29 321.2 321.2 289.1 321.3 0.02 27 222 11042 -61.5 -66.5 51 5.0 -61.6 270 30 325.5 325.5 290.5 325.6 0.02 28 213 11302 -57.1 -62.1 53 5.0 -57.2 274 30 336.2 336.2 293.4 336.4 0.04 29 201 11669 -58.3 -63.3 53 5.0 -58.4 280 31 340.0 340.0 294.3 340.1 0.04 30 200 11700 -58.1 -63.1 53 5.0 -58.2 280 31 340.8 340.8 294.6 340.9 0.04 31 191 11993 -56.9 -62.9 47 6.0 -57.1 280 31 347.2 347.2 296.1 347.4 0.04 32 150 13540 -54.3 -62.3 37 8.0 -54.5 280 31 376.5 376.5 301.7 376.8 0.06 33 100 16120 -56.9 -68.9 21 12.0 -57.2 290 29 417.8 417.8 307.4 418.0 0.04 34 79 17606 -58.3 -72.3 15 14.0 -58.7 290 25 444.0 444.0 310.3 444.2 0.03 35 70 18370 -56.5 -72.5 12 16.0 -57.1 290 23 463.5 463.5 312.1 463.7 0.03 36 66 18746 -55.3 -71.3 12 16.0 -56.0 290 23 474.0 474.0 313.0 474.2 0.04 37 56 19788 -59.1 -76.1 9 17.0 -59.6 290 23 488.1 488.1 314.1 488.3 0.02 38 53 20133 -60.1 -77.1 9 17.0 -60.6 290 23 493.6 493.6 314.5 493.7 0.02 39 50 20500 -57.1 -75.1 8 18.0 -57.9 290 23 508.9 508.9 315.6 509.1 0.03 40 49 20628 -58.3 -76.3 8 18.0 -59.0 288 23 509.0 509.0 315.6 509.2 0.02 41 40 21910 -58.1 -77.1 7 19.0 -58.9 268 18 539.9 540.0 317.5 540.1 0.03 42 30 23730 -57.3 -77.3 6 20.0 -58.5 240 11 588.4 588.4 320.1 588.7 0.03 43 29 23944 -57.5 -77.5 6 20.0 -58.7 593.6 593.6 320.3 593.9 0.03 TRP 235 10687 -60.9 -65.8 52 4.9 -61.0 265 29 321.2 321.2 289.1 321.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5502.00 m Freezing level: 748.34 mb = 2523.76 m = 8279.95 ft Wetbulb zero: 773.94 mb = 2240.88 m = 7351.88 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 68.19 % Est. max temperature: 22.52 C = 72.53 F Sfc-Lift cond lev (LCL): 917.47 mb = 838.07 m = 2749.55 ft T: 14.26 C 700-500 lapse rate: 6.86 C/km ThetaE index: 3.36 C Layer 925.0- 906.0 mb Conv cond level (CCL): 795.14 mb = 2023.02 m = 6637.13 ft Mean mixing ratio: 6.36 g/kg Conv temperature: 22.97 C = 73.35 F Cap Strength: 2.70 C Lifted Index: 0.16 C Risk: Showers probable Lifted Index @300 mb: 0.51 C Lifted Index @700 mb: -0.29 C Showalter Index: 1.80 C Risk: Showers probable Total Totals Index: 51.60 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.30 C Cross Totals Index: 21.30 C K Index: 28.10 Risk: 40-60 % chance of thunderstorms Sweat Index: 176.89 Risk: None Energy Index: 0.24 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 70.49 J/kg Max Up Vert Vel: 11.87 m/s Conv Inhibition (B-): 125.07 J/kg Cap Strength: 2.70 C Lift Cond Lev (LCL): 831.95 mb = 1652.72 m = 5422.24 ft Lev Free Conv (LFC): 716.95 mb = 2852.69 m = 9359.10 ft Equ Level (EL): 546.95 mb = 4936.70 m = 16196.33 ft B at Equ Level: 70.25 J/kg Max Parcel Lev (MPL): 346.95 mb = 8182.64 m = 26845.61 ft Wind level data Storm motion: 275 at 19 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 1004 74 200 1 0.3 0.9 | 98 18 -18.3 2.6 1 1000 108 200 5 1.7 4.7 | 111 18 -16.9 6.3 2 925 769 235 31 25.4 17.8 | 199 21 6.8 19.4 3 850 1477 245 29 26.3 12.3 | 209 16 7.7 13.9 4 700 3044 245 19 17.2 8.0 | 172 10 -1.4 9.7 5 500 5610 250 31 29.1 10.6 | 221 16 10.5 12.2 6 400 7210 245 27 24.5 11.4 | 204 14 5.9 13.0 7 300 9140 255 25 24.1 6.5 | 214 10 5.5 8.1 8 250 10300 260 31 30.5 5.4 | 240 14 11.9 7.0 9 235 10687 265 29 28.9 2.5 | 248 11 10.3 4.2 10 200 11700 280 31 30.5 -5.4 | 287 13 11.9 -3.7 11 150 13540 280 31 30.5 -5.4 | 287 13 11.9 -3.7 12 100 16120 290 29 27.3 -9.9 | 314 12 8.7 -8.3 13 70 18370 290 23 21.6 -7.9 | 334 7 3.0 -6.2 14 50 20500 290 23 21.6 -7.9 | 334 7 3.0 -6.2 15 30 23730 240 11 9.5 5.5 | 128 12 -9.1 7.1 Wind Parameters Mean winds (0-6000m): 245.0 at 24.9 knts Storm direction: 275.0 at 18.7 knts Shear (0-3000m) pos: 4.3 neg: 1.1 tot: 5.4 10-3/s Storm rel Dir Shear (0-3000m): 74.7 deg Storm rel helicity (0-3000m) pos: 168.5 neg: -24.3 tot: 144.2 m^2/s^2 ave: 48.1 10^-3 m/s^2 rel: 0.58 Storm rel vorticity (0-3000m) horiz: 8.2 stream: 4.8 10^-3/s Energy-Hel index: 0.07 Bulk Rich Number: 2.75 Bulk Shear: 25.68 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 ------------------------------------------------------------------------------- 500 220 13 140 16| 23.1 0.0 23.1|109.0 0.0 109.0 218.0 1.00| 24.2 24.1 1000 233 21 174 14| 15.1 0.0 15.1|160.8 0.0 160.8 160.8 0.96| 18.0 17.3 1500 237 24 186 15| 9.5 0.0 9.5|168.5 -1.5 167.0 111.3 0.90| 13.3 12.0 2000 239 25 190 15| 7.1 0.8 7.9|168.5 -9.4 159.1 79.6 0.78| 10.8 8.4 2500 240 25 191 14| 5.7 1.3 7.0|168.5 -17.3 151.2 60.5 0.67| 9.3 6.2 3000 241 24 190 13| 4.3 1.1 5.4|168.5 -24.3 144.2 48.1 0.58| 8.2 4.8 4000 242 23 189 13| 3.8 0.8 4.6|180.7 -24.3 156.4 39.1 0.61| 6.8 4.1 5000 244 24 193 12| 3.5 0.7 4.2|193.5 -24.3 169.2 33.8 0.62| 5.9 3.7 6000 245 25 198 13| 3.1 0.6 3.8|200.2 -29.1 171.1 28.5 0.60| 5.2 3.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250425.00.gif