UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042512.upa.cvt Date: 1200Z 25 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:1200Z 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 ------------------------------------------------------------------------------- 0 1000 63 190 7 SFC 999 72 25.8 7.8 32 18.0 15.1 190 7 299.0 300.2 288.3 318.7 6.65 2 978 257 22.4 5.4 33 17.0 12.8 193 13 297.4 298.5 286.9 314.4 5.75 3 925 737 18.4 4.4 40 14.0 10.7 200 27 298.1 299.2 287.1 314.9 5.67 4 850 1453 11.4 1.4 50 10.0 6.2 215 29 298.1 299.0 286.4 312.9 4.98 5 700 3034 -2.1 -9.1 59 7.0 -4.8 230 36 300.2 300.7 284.8 308.6 2.74 6 694 3102 -2.9 -9.9 58 7.0 -5.5 231 36 300.0 300.5 284.5 308.0 2.59 7 625 3923 -8.7 -13.5 68 4.8 -10.3 237 34 302.5 302.9 285.0 309.3 2.16 8 564 4712 -14.1 -20.1 60 6.0 -15.7 243 33 305.2 305.4 285.2 309.6 1.37 9 538 5070 -14.7 -21.7 55 7.0 -16.5 246 32 308.6 308.8 286.3 312.7 1.25 10 500 5620 -19.1 -29.1 41 10.0 -21.0 250 31 309.8 309.9 286.1 312.1 0.69 11 491 5754 -19.9 -31.9 34 12.0 -22.0 249 31 310.4 310.5 286.1 312.2 0.54 12 472 6044 -22.7 -35.7 30 13.0 -24.6 247 32 310.4 310.5 285.9 311.8 0.39 13 431 6701 -28.5 -35.5 51 7.0 -29.4 243 32 311.2 311.3 286.3 312.7 0.43 14 400 7230 -32.3 -41.3 40 9.0 -33.1 240 33 313.0 313.1 286.7 313.9 0.26 15 360 7965 -38.1 -46.1 43 8.0 -38.7 244 34 314.8 314.8 287.2 315.4 0.17 16 346 8237 -40.7 -47.7 47 7.0 -41.1 245 35 314.9 314.9 287.2 315.4 0.15 17 300 9190 -49.5 -55.5 49 6.0 -49.7 250 36 315.6 315.6 287.3 315.8 0.07 18 270 9873 -55.7 -62.7 41 7.0 -55.8 256 37 316.2 316.2 287.5 316.3 0.03 19 250 10360 -59.5 -65.5 46 6.0 -59.6 260 38 317.6 317.6 288.0 317.7 0.02 20 233 10799 -63.1 -69.1 44 6.0 -63.1 266 39 318.6 318.6 288.3 318.7 0.01 21 223 11069 -64.5 -70.5 43 6.0 -64.6 270 40 320.5 320.5 288.9 320.5 0.01 22 220 11153 -64.7 -70.7 43 6.0 -64.7 269 40 321.4 321.4 289.2 321.5 0.01 23 216 11266 -62.5 -69.5 38 7.0 -62.6 269 39 326.5 326.5 290.7 326.6 0.02 24 213 11353 -59.7 -66.7 40 7.0 -59.8 268 39 332.2 332.2 292.3 332.3 0.02 25 200 11750 -57.9 -64.9 40 7.0 -58.0 265 38 341.1 341.1 294.6 341.2 0.03 26 158 13246 -52.7 -63.7 25 11.0 -53.1 269 31 373.7 373.7 301.2 373.9 0.05 27 150 13580 -53.1 -65.1 22 12.0 -53.5 270 29 378.6 378.6 302.1 378.8 0.04 28 129 14543 -56.9 -71.9 13 15.0 -57.2 274 29 388.4 388.4 303.6 388.5 0.02 29 116 15216 -56.1 -72.1 12 16.0 -56.5 276 29 401.9 401.9 305.5 402.0 0.02 30 100 16160 -55.7 -73.7 9 18.0 -56.2 280 29 420.1 420.1 307.7 420.2 0.02 31 89 16904 -54.9 -73.9 8 19.0 -55.5 435.9 435.9 309.5 436.0 0.02 TRP 223 11069 -64.5 -70.5 43 6.0 -64.6 270 40 320.5 320.5 288.9 320.5 0.01 WND Sounding variables and indices 1000-500 mb thick: 5557.00 m Freezing level: 723.33 mb = 2788.07 m = 9147.09 ft Wetbulb zero: 765.61 mb = 2304.51 m = 7560.62 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 53.54 % Est. max temperature: 24.87 C = 76.76 F Sfc-Lift cond lev (LCL): 766.38 mb = 2296.27 m = 7533.60 ft T: 4.20 C 700-500 lapse rate: 6.57 C/km ThetaE index: 6.90 C Layer 850.0- 625.0 mb Conv cond level (CCL): 736.18 mb = 2623.63 m = 8607.59 ft Mean mixing ratio: 5.77 g/kg Conv temperature: 26.45 C = 79.62 F Cap Strength: 1.36 C Lifted Index: 0.16 C Risk: Showers probable Lifted Index @300 mb: 0.75 C Lifted Index @700 mb: -0.36 C Showalter Index: 1.45 C Risk: Showers probable Total Totals Index: 51.00 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.50 C Cross Totals Index: 20.50 C K Index: 24.90 Risk: 20-40 % chance of thunderstorms Sweat Index: 242.50 Risk: None Energy Index: -0.17 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 102.43 J/kg Max Up Vert Vel: 14.31 m/s Conv Inhibition (B-): 41.75 J/kg Cap Strength: 1.36 C Lift Cond Lev (LCL): 754.41 mb = 2424.44 m = 7954.11 ft Lev Free Conv (LFC): 709.41 mb = 2925.25 m = 9597.16 ft Equ Level (EL): 539.41 mb = 5049.78 m = 16567.33 ft B at Equ Level: 86.79 J/kg Max Parcel Lev (MPL): 259.41 mb = 10126.03 m = 33221.46 ft Wind level data Storm motion: 260 at 23 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 ---------------------------------------------------------- 0 999 72 190 7 1.2 6.9 | 98 22 -21.5 2.9 1 925 737 200 27 9.2 25.4 | 148 25 -13.5 21.4 2 850 1453 215 29 16.6 23.8 | 163 21 -6.1 19.8 3 700 3034 230 36 27.6 23.1 | 194 20 4.9 19.2 4 500 5620 250 31 29.1 10.6 | 224 9 6.4 6.6 5 400 7230 240 33 28.6 16.5 | 205 14 5.9 12.5 6 300 9190 250 36 33.8 12.3 | 233 14 11.1 8.4 7 250 10360 260 38 37.4 6.6 | 260 15 14.7 2.6 8 223 11069 270 40 40.0 -0.0 | 283 18 17.3 -4.0 9 200 11750 265 38 37.9 3.3 | 272 15 15.1 -0.6 10 150 13580 270 29 29.0 -0.0 | 302 7 6.3 -4.0 11 100 16160 280 29 28.6 -5.0 | 327 11 5.8 -9.0 Wind Parameters Mean winds (0-6000m): 230.1 at 30.8 knts Storm direction: 260.1 at 23.1 knts Shear (0-3000m) pos: 5.3 neg: 0.0 tot: 5.3 10-3/s Storm rel Dir Shear (0-3000m): 96.7 deg Storm rel helicity (0-3000m) pos: 213.0 neg: 0.0 tot: 213.0 m^2/s^2 ave: 71.0 10^-3 m/s^2 rel: 0.95 Storm rel vorticity (0-3000m) horiz: 6.7 stream: 6.3 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 1.90 Bulk Shear: 53.95 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 ------------------------------------------------------------------------------- 500 197 14 118 21| 15.6 0.0 15.6| 87.1 0.0 87.1 174.2 0.99| 15.6 15.4 1000 200 20 134 22| 11.0 0.0 11.0|135.2 0.0 135.2 135.2 0.95| 12.1 11.6 1500 205 23 143 21| 8.0 0.0 8.0|158.4 0.0 158.4 105.6 0.93| 9.8 9.1 2000 209 25 150 21| 6.7 0.0 6.7|176.4 0.0 176.4 88.2 0.94| 8.2 7.7 2500 213 27 156 20| 5.9 0.0 5.9|194.8 0.0 194.8 77.9 0.94| 7.3 6.9 3000 217 28 162 20| 5.3 0.0 5.3|213.0 0.0 213.0 71.0 0.95| 6.7 6.3 4000 222 30 171 19| 3.8 0.0 3.8|225.6 0.0 225.6 56.4 0.90| 5.6 5.1 5000 226 31 178 17| 3.0 0.0 3.0|235.1 0.0 235.1 47.0 0.87| 5.0 4.3 6000 230 31 183 16| 2.4 0.1 2.5|239.0 -2.5 236.4 39.4 0.81| 4.5 3.7 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250425.12.gif