UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042600.upa.cvt Date: 0000Z 26 APR 25 Searching for U8661... Searching the city database file for: U8661 ... Date:0000Z 26 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 22 0 0 SFC 994 73 13.2 10.3 83 2.9 11.5 0 0 286.8 288.2 284.9 309.0 7.93 2 988 124 16.0 11.0 72 5.0 13.0 348 2 290.2 291.6 286.6 313.8 8.36 3 958 386 16.4 6.4 52 10.0 10.8 286 11 293.1 294.2 285.8 311.3 6.30 4 939 557 15.4 5.4 51 10.0 9.9 245 17 293.8 294.9 285.7 311.2 5.99 5 925 684 14.6 4.6 51 10.0 9.2 215 21 294.2 295.3 285.7 311.0 5.75 6 872 1181 13.0 3.0 51 10.0 7.7 222 27 297.6 298.6 286.6 313.7 5.45 7 850 1395 11.4 1.4 50 10.0 6.2 225 29 298.1 299.0 286.4 312.9 4.98 8 704 2931 -2.3 -4.7 84 2.4 -3.3 206 36 299.4 300.1 285.7 311.0 3.83 9 700 2976 -2.5 -4.9 84 2.4 -3.6 205 36 299.7 300.4 285.7 311.2 3.79 10 683 3170 -3.9 -6.2 84 2.3 -4.8 206 36 300.3 300.9 285.7 311.0 3.52 11 606 4101 -10.5 -12.9 82 2.4 -11.3 211 35 303.1 303.5 285.5 310.4 2.34 12 600 4178 -10.5 -12.8 83 2.3 -11.3 212 35 304.0 304.4 285.8 311.4 2.38 13 587 4346 -10.5 -13.4 79 2.9 -11.5 213 34 305.9 306.3 286.5 313.2 2.32 14 552 4816 -13.3 -18.3 66 5.0 -14.7 216 34 308.0 308.3 286.5 313.3 1.64 15 536 5039 -15.3 -21.3 60 6.0 -16.9 217 34 308.2 308.4 286.2 312.5 1.30 16 528 5153 -16.1 -22.1 60 6.0 -17.6 218 33 308.6 308.8 286.2 312.6 1.23 17 500 5560 -19.3 -24.3 65 5.0 -20.4 220 33 309.5 309.7 286.4 313.1 1.07 18 485 5786 -21.1 -25.9 65 4.8 -22.1 219 32 310.0 310.2 286.5 313.2 0.95 19 435 6581 -27.3 -31.3 69 4.0 -27.9 217 27 311.9 312.1 286.8 314.2 0.64 20 424 6765 -28.7 -33.3 65 4.6 -29.3 216 26 312.4 312.5 286.9 314.3 0.54 21 400 7180 -32.5 -37.5 61 5.0 -33.0 215 23 312.7 312.8 286.8 314.1 0.38 22 337 8365 -42.1 -45.8 67 3.7 -42.3 224 24 315.4 315.4 287.4 316.1 0.19 23 300 9140 -49.3 -53.6 61 4.3 -49.4 230 25 315.9 315.9 287.5 316.2 0.09 24 254 10201 -58.3 -62.9 55 4.6 -58.4 221 18 317.9 318.0 288.1 318.1 0.03 25 250 10300 -59.1 -63.6 56 4.5 -59.2 220 17 318.2 318.2 288.2 318.3 0.03 26 241 10531 -60.7 -64.9 58 4.2 -60.7 225 21 319.2 319.2 288.5 319.3 0.03 27 200 11710 -56.5 -61.0 57 4.5 -56.6 240 31 343.3 343.3 295.1 343.5 0.05 28 191 12001 -55.7 -60.2 57 4.5 -55.8 243 32 349.1 349.1 296.5 349.4 0.06 29 172 12670 -52.9 -58.9 48 6.0 -53.1 250 33 364.4 364.4 299.6 364.7 0.08 30 171 12708 -52.9 -58.9 48 6.0 -53.1 251 33 365.0 365.0 299.7 365.3 0.08 31 150 13550 -52.7 -60.7 37 8.0 -53.0 260 35 379.3 379.3 302.2 379.6 0.07 32 149 13593 -52.5 -60.5 37 8.0 -52.8 260 35 380.3 380.4 302.3 380.7 0.07 33 132 14371 -53.5 -63.5 28 10.0 -53.8 262 34 392.0 392.0 304.1 392.2 0.06 34 108 15658 -52.9 -66.9 17 14.0 -53.4 264 32 416.3 416.3 307.3 416.5 0.04 35 100 16150 -55.5 -71.5 12 16.0 -55.9 265 31 420.5 420.5 307.8 420.6 0.02 36 79 17653 -56.5 -74.5 9 18.0 -57.0 272 24 447.8 447.8 310.7 447.9 0.02 37 71 18330 -57.7 -76.7 7 19.0 -58.2 275 21 459.1 459.1 311.7 459.2 0.02 38 70 18420 -56.9 -75.9 7 19.0 -57.5 275 21 462.7 462.7 312.0 462.8 0.02 39 61 19293 -55.3 -75.3 7 20.0 -56.1 283 18 484.8 484.8 313.8 484.9 0.02 40 54 20064 -58.1 -79.1 5 21.0 -58.7 290 15 495.5 495.5 314.7 495.6 0.01 41 53 20182 -57.3 -78.3 5 21.0 -58.0 292 14 500.0 500.1 314.9 500.1 0.02 42 50 20550 -56.7 -78.7 5 22.0 -57.5 295 13 509.9 509.9 315.7 510.0 0.02 43 37 22461 -56.7 -79.7 4 23.0 -57.8 268 11 555.7 555.7 318.4 555.8 0.02 44 34 22996 -57.7 -79.7 4 22.0 -58.7 261 10 566.7 566.7 319.0 566.8 0.02 45 33 23185 -56.5 -79.5 4 23.0 -57.7 258 10 574.7 574.7 319.4 574.9 0.02 46 30 23790 -56.5 -79.5 4 23.0 -57.8 250 9 590.6 590.6 320.2 590.8 0.02 47 27 24459 -56.1 -80.1 3 24.0 -57.6 609.8 609.8 321.0 610.0 0.02 48 21 26069 -52.9 -76.9 4 24.0 -55.4 664.9 664.9 323.3 665.3 0.05 TRP 241 10531 -60.7 -64.9 58 4.2 -60.7 225 21 319.2 319.2 288.5 319.3 0.03 WND Sounding variables and indices 1000-500 mb thick: 5538.00 m Freezing level: 728.51 mb = 2672.91 m = 8769.28 ft Wetbulb zero: 754.75 mb = 2363.47 m = 7754.07 ft Precipitable water: 0.84 inches Sfc-500 mean rel hum: 68.06 % Est. max temperature: 24.49 C = 76.08 F Sfc-Lift cond lev (LCL): 951.60 mb = 443.38 m = 1454.64 ft T: 16.07 C 700-500 lapse rate: 6.50 C/km ThetaE index: 2.84 C Layer 958.0- 872.0 mb Conv cond level (CCL): 760.82 mb = 2298.26 m = 7540.12 ft Mean mixing ratio: 6.41 g/kg Conv temperature: 25.31 C = 77.56 F Cap Strength: 4.79 C Lifted Index: 1.89 C Risk: Showers probable Lifted Index @300 mb: 3.12 C Lifted Index @700 mb: 0.76 C Showalter Index: 1.25 C Risk: Showers probable Total Totals Index: 51.40 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 30.70 C Cross Totals Index: 20.70 C K Index: 29.70 Risk: 40-60 % chance of thunderstorms Sweat Index: 155.80 Risk: None Energy Index: 0.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 22.93 J/kg Max Up Vert Vel: 6.77 m/s Conv Inhibition (B-): 39533.45 J/kg Cap Strength: 4.79 C Lift Cond Lev (LCL): 825.81 mb = 1630.24 m = 5348.50 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 244 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 ---------------------------------------------------------- 0 994 73 0 0 -0.0 -0.0 | 64 23 -20.5 -9.9 1 925 684 215 21 12.0 17.2 | 131 11 -8.4 7.3 2 850 1395 225 29 20.5 20.5 | 180 11 0.0 10.6 3 700 2976 205 36 15.2 32.6 | 167 23 -5.3 22.7 4 500 5560 220 33 21.2 25.3 | 183 15 0.7 15.4 5 400 7180 215 23 13.2 18.8 | 141 12 -7.3 8.9 6 300 9140 230 25 19.2 16.1 | 168 6 -1.3 6.2 7 250 10300 220 17 10.9 13.0 | 108 10 -9.6 3.1 8 241 10531 225 21 14.8 14.8 | 131 7 -5.6 4.9 9 200 11710 240 31 26.8 15.5 | 229 8 6.4 5.6 10 150 13550 260 35 34.5 6.1 | 285 14 14.0 -3.8 11 100 16150 265 31 30.9 2.7 | 305 13 10.4 -7.2 12 70 18420 275 21 20.9 -1.8 | 358 12 0.4 -11.7 13 50 20550 295 13 11.8 -5.5 | 29 18 -8.7 -15.4 14 30 23790 250 9 8.5 3.1 | 60 14 -12.0 -6.8 Wind Parameters Mean winds (0-6000m): 214.2 at 30.4 knts Storm direction: 244.2 at 22.8 knts Shear (0-3000m) pos: 0.8 neg: 5.5 tot: 6.3 10-3/s Storm rel Dir Shear (0-3000m): 103.2 deg Storm rel helicity (0-3000m) pos: 48.5 neg: -72.6 tot: -24.1 m^2/s^2 ave: -8.0 10^-3 m/s^2 rel: 0.15 Storm rel vorticity (0-3000m) horiz: 9.9 stream: 1.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.36 Bulk Shear: 63.34 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 ------------------------------------------------------------------------------- 500 209 9 81 17| 0.0 17.7 17.7| 9.5 -54.7 -45.2 -90.4 -0.18| 26.4 -4.8 1000 217 15 102 12| 0.0 13.1 13.1| 36.2 -54.7 -18.5 -18.5 0.21| 20.6 4.2 1500 220 20 123 9| 1.6 8.7 10.3| 47.3 -55.2 -7.9 -5.2 0.27| 15.6 4.2 2000 220 22 140 10| 1.2 7.1 8.3| 47.3 -58.9 -11.5 -5.8 0.23| 12.7 2.9 2500 218 25 151 11| 0.9 6.2 7.1| 47.3 -65.2 -17.8 -7.1 0.18| 11.1 2.0 3000 215 26 156 13| 0.8 5.5 6.3| 48.5 -72.6 -24.1 -8.0 0.15| 9.9 1.5 4000 213 29 161 15| 0.8 4.1 4.9| 60.4 -72.6 -12.2 -3.1 0.18| 7.9 1.4 5000 213 30 165 16| 0.9 3.3 4.2| 70.1 -72.6 -2.5 -0.5 0.20| 6.7 1.3 6000 214 30 167 16| 0.9 2.5 3.4| 73.9 -82.9 -9.0 -1.5 0.16| 6.0 0.9 Wrote GIF file: /home/apache/climate/data/raob//U8661/skewt/U8661.skewt.20250426.00.gif