UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042212.upa.cvt Date: 1200Z 22 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 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 1006 68 24.6 1.6 22 23.0 12.4 290 3 297.2 298.0 285.3 309.9 4.26 1 1000 120 23.8 1.8 24 22.0 12.1 265 5 297.0 297.7 285.2 309.9 4.35 2 925 791 17.8 -2.2 26 20.0 8.0 265 21 297.5 298.1 284.6 308.1 3.51 3 850 1504 10.6 -6.4 30 17.0 3.2 260 29 297.3 297.8 283.7 305.7 2.78 4 700 3075 -4.3 -14.3 46 10.0 -7.6 265 29 297.7 298.0 282.7 303.3 1.80 5 690 3188 -5.5 -14.5 49 9.0 -8.4 266 29 297.6 297.9 282.7 303.2 1.80 6 651 3641 -9.1 -15.1 62 6.0 -10.9 269 30 298.5 298.9 283.1 304.2 1.82 7 643 3736 -9.9 -15.9 61 6.0 -11.7 270 31 298.7 299.0 283.0 304.1 1.72 8 624 3967 -11.1 -19.1 52 8.0 -13.3 272 31 299.9 300.1 283.1 304.2 1.35 9 590 4396 -11.9 -31.9 17 20.0 -15.7 275 32 303.8 303.9 283.5 305.3 0.45 10 585 4461 -12.5 -34.5 14 22.0 -16.3 276 32 303.8 303.9 283.4 305.1 0.35 11 500 5640 -20.9 -48.9 6 28.0 -23.7 285 35 307.6 307.6 284.5 307.9 0.09 12 492 5759 -22.5 -49.5 7 27.0 -25.0 285 35 307.0 307.0 284.3 307.3 0.08 13 474 6031 -23.9 -50.9 6 27.0 -26.2 285 35 308.6 308.6 284.9 308.9 0.08 14 462 6217 -24.9 -40.9 21 16.0 -26.7 285 34 309.6 309.6 285.5 310.4 0.23 15 431 6716 -30.3 -40.3 37 10.0 -31.3 285 34 308.9 309.0 285.2 309.9 0.26 16 427 6782 -30.9 -40.9 37 10.0 -31.9 285 34 309.0 309.0 285.3 309.9 0.25 17 412 7034 -33.9 -44.9 32 11.0 -34.7 285 33 308.3 308.3 284.9 308.9 0.17 18 400 7240 -35.3 -46.3 32 11.0 -36.1 285 33 309.1 309.1 285.2 309.7 0.15 19 358 8006 -40.3 -49.3 38 9.0 -40.8 287 30 312.4 312.4 286.3 312.8 0.12 20 308 9009 -51.1 -59.1 38 8.0 -51.3 290 26 311.0 311.0 285.7 311.1 0.04 21 300 9180 -51.9 -59.9 38 8.0 -52.1 290 25 312.2 312.2 286.2 312.3 0.04 22 279 9645 -55.9 -63.9 36 8.0 -56.0 288 27 313.0 313.0 286.4 313.1 0.03 23 250 10340 -56.9 -64.9 36 8.0 -57.0 285 29 321.5 321.5 289.2 321.6 0.02 24 248 10391 -56.9 -64.9 36 8.0 -57.0 285 29 322.2 322.2 289.5 322.3 0.03 25 229 10893 -60.1 -69.1 30 9.0 -60.2 280 27 324.8 324.8 290.2 324.8 0.02 26 228 10921 -60.1 -69.1 30 9.0 -60.2 280 27 325.2 325.2 290.3 325.2 0.02 27 216 11261 -57.3 -66.3 31 9.0 -57.5 274 30 334.6 334.6 293.0 334.7 0.02 28 212 11379 -58.7 -67.7 30 9.0 -58.8 271 32 334.2 334.2 292.9 334.3 0.02 29 203 11655 -54.7 -64.7 28 10.0 -54.9 267 34 344.7 344.7 295.4 344.8 0.03 30 200 11750 -55.3 -65.3 28 10.0 -55.5 265 35 345.2 345.2 295.6 345.3 0.03 31 199 11782 -55.9 -65.9 28 10.0 -56.1 265 35 344.7 344.7 295.5 344.9 0.03 32 191 12044 -53.5 -65.5 22 12.0 -53.8 268 34 352.7 352.7 297.3 352.8 0.03 33 171 12751 -54.9 -68.9 16 14.0 -55.2 276 33 361.7 361.7 299.1 361.8 0.02 34 152 13505 -53.3 -69.3 13 16.0 -53.7 284 31 376.8 376.8 301.8 376.9 0.02 35 150 13590 -53.1 -70.1 11 17.0 -53.5 285 31 378.6 378.6 302.1 378.7 0.02 36 126 14712 -53.9 -73.9 7 20.0 -54.4 283 28 396.5 396.5 304.8 396.6 0.01 37 114 15355 -54.3 -75.3 6 21.0 -54.8 282 27 407.3 407.3 306.2 407.3 0.01 38 100 16190 -57.1 -79.1 5 22.0 -57.5 280 25 417.4 417.4 307.4 417.4 0.01 39 86 17145 -56.9 -78.9 5 22.0 -57.4 288 24 436.2 436.2 309.5 436.3 0.01 40 76 17928 -56.9 -79.9 4 23.0 -57.5 295 23 451.9 451.9 311.0 451.9 0.01 41 70 18450 -56.5 -79.5 4 23.0 -57.1 300 23 463.5 463.5 312.1 463.6 0.01 42 67 18727 -57.5 -80.5 4 23.0 -58.0 300 22 467.2 467.2 312.4 467.2 0.01 43 66 18822 -58.1 -81.1 4 23.0 -58.6 300 22 467.9 467.9 312.5 467.9 0.01 44 57 19749 -55.7 -79.7 3 24.0 -56.5 300 18 493.4 493.4 314.5 493.4 0.01 45 57 19749 -55.5 -79.5 3 24.0 -56.3 300 18 493.8 493.8 314.5 493.9 0.01 46 54 20093 -56.3 -79.3 4 23.0 -57.1 300 17 499.7 499.7 314.9 499.8 0.01 47 53 20211 -56.5 -79.5 4 23.0 -57.3 300 16 501.9 501.9 315.1 502.0 0.01 48 50 20580 -57.3 -80.3 4 23.0 -58.0 300 15 508.4 508.5 315.5 508.5 0.01 49 46 21107 -56.7 -79.7 4 23.0 -57.6 302 16 522.2 522.2 316.4 522.3 0.02 50 42 21683 -56.5 -79.5 4 23.0 -57.5 303 16 536.4 536.4 317.3 536.5 0.02 51 32 23395 -59.3 -82.3 4 23.0 -60.2 309 18 572.3 572.3 319.3 572.4 0.01 52 30 23800 -58.1 -81.1 4 23.0 -59.2 310 19 586.2 586.3 320.0 586.4 0.02 53 23 25480 -56.5 -79.5 4 23.0 -58.2 637.2 637.3 322.2 637.5 0.03 TRP 229 10893 -60.1 -69.1 30 9.0 -60.2 280 27 324.8 324.8 290.2 324.8 0.02 WND Sounding variables and indices 1000-500 mb thick: 5520.00 m Freezing level: 743.29 mb = 2621.62 m = 8601.03 ft Wetbulb zero: 805.70 mb = 1937.06 m = 6355.11 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 31.04 % Est. max temperature: 24.64 C = 76.35 F Sfc-Lift cond lev (LCL): 715.21 mb = 2901.07 m = 9517.83 ft T: -2.65 C 700-500 lapse rate: 6.47 C/km ThetaE index: 6.75 C Layer 1000.0- 651.0 mb Conv cond level (CCL): 695.86 mb = 3121.59 m = 10241.32 ft Mean mixing ratio: 3.85 g/kg Conv temperature: 25.04 C = 77.07 F Cap Strength: 1.79 C Lifted Index: 2.17 C Risk: None Lifted Index @300 mb: 2.63 C Lifted Index @700 mb: 0.41 C Showalter Index: 4.22 C Risk: None Total Totals Index: 46.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 31.50 C Cross Totals Index: 14.50 C K Index: 15.10 Risk: < 20 % chance of thunderstorms Sweat Index: 93.00 Risk: None Energy Index: 0.47 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.00 J/kg Max Up Vert Vel: 5.66 m/s Conv Inhibition (B-): 13.93 J/kg Cap Strength: 2.09 C Lift Cond Lev (LCL): 699.76 mb = 3077.68 m = 10097.24 ft Lev Free Conv (LFC): 684.76 mb = 3247.32 m = 10653.79 ft Equ Level (EL): 614.76 mb = 4081.18 m = 13389.55 ft B at Equ Level: 15.43 J/kg Max Parcel Lev (MPL): 584.76 mb = 4464.21 m = 14646.17 ft Wind level data Storm motion: 301 at 21 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 1006 68 290 3 2.8 -1.0 | 123 18 -15.4 10.1 1 1000 120 265 5 5.0 0.4 | 131 18 -13.3 11.5 2 925 791 265 21 20.9 1.8 | 192 13 2.7 12.9 3 850 1504 260 29 28.6 5.0 | 213 19 10.3 16.1 4 700 3075 265 29 28.9 2.5 | 218 17 10.7 13.6 5 500 5640 285 35 33.8 -9.1 | 263 16 15.6 2.0 6 400 7240 285 33 31.9 -8.5 | 259 14 13.6 2.5 7 300 9180 290 25 23.5 -8.6 | 244 6 5.3 2.5 8 250 10340 285 29 28.0 -7.5 | 250 10 9.8 3.6 9 229 10893 280 27 26.6 -4.7 | 233 11 8.4 6.4 10 200 11750 265 35 34.9 3.1 | 230 22 16.6 14.1 11 150 13590 285 31 29.9 -8.0 | 255 12 11.7 3.1 12 100 16190 280 25 24.6 -4.3 | 223 9 6.4 6.7 13 70 18450 300 23 19.9 -11.5 | 284 2 1.7 -0.4 14 50 20580 300 15 13.0 -7.5 | 124 6 -5.2 3.6 15 30 23800 310 19 14.6 -12.2 | 73 4 -3.7 -1.1 Wind Parameters Mean winds (0-6000m): 271.3 at 28.5 knts Storm direction: 301.3 at 21.3 knts Shear (0-3000m) pos: 0.4 neg: 4.5 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 94.9 deg Storm rel helicity (0-3000m) pos: 96.4 neg: 0.0 tot: 96.4 m^2/s^2 ave: 32.1 10^-3 m/s^2 rel: 0.84 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 4.2 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.34 Bulk Shear: 47.03 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 ------------------------------------------------------------------------------- 500 265 10 144 15| 0.0 13.4 13.4| 47.0 0.0 47.0 94.1 0.89| 13.6 12.1 1000 265 15 166 13| 0.0 11.0 11.0| 74.4 0.0 74.4 74.4 0.90| 11.2 10.1 1500 263 19 183 13| 0.0 9.1 9.1| 88.5 0.0 88.5 59.0 0.85| 9.2 7.8 2000 262 22 193 14| 0.2 6.8 7.0| 91.3 0.0 91.3 45.6 0.84| 7.1 6.0 2500 262 23 198 15| 0.3 5.4 5.8| 93.9 0.0 93.9 37.6 0.84| 5.8 4.9 3000 263 24 202 15| 0.4 4.5 4.9| 96.4 0.0 96.4 32.1 0.84| 5.0 4.2 4000 265 26 208 15| 0.9 3.4 4.3|116.6 0.0 116.6 29.2 0.85| 4.4 3.7 5000 268 27 216 15| 1.2 2.7 4.0|137.5 0.0 137.5 27.5 0.87| 4.0 3.5 6000 271 28 224 15| 1.3 2.3 3.5|149.8 -0.8 149.0 24.8 0.87| 3.6 3.1 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250422.12.gif