UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042823.upa.cvt Date: 2300Z 28 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 28 APR 25 Station: BGBW WMO ident: 4270 Latitude: 61.18 Longitude: -45.42 Elevation: 26.00 ------------------------------------------------------------------------------- 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 1000 26 0.0 -1.1 92 1.1 -0.4 240 7 273.1 273.7 272.7 282.7 3.52 1 974 232 -1.7 -2.1 97 0.4 -1.9 218 9 273.5 274.1 272.7 282.6 3.36 2 963 321 -2.3 -2.4 99 0.1 -2.3 209 10 273.8 274.3 272.8 282.8 3.32 3 955 386 -2.7 -2.8 99 0.1 -2.7 202 11 274.0 274.6 272.8 282.9 3.25 4 950 427 -2.5 -2.5 100 0.0 -2.5 197 11 274.6 275.2 273.3 283.8 3.34 5 917 702 -2.5 -2.8 98 0.3 -2.6 168 14 277.4 278.0 275.0 286.8 3.39 6 893 908 -3.5 -5.5 86 2.0 -4.2 146 17 278.5 279.0 274.8 286.5 2.84 7 850 1290 -5.9 -9.2 77 3.3 -7.0 105 21 280.0 280.3 274.8 286.3 2.24 8 841 1373 -6.3 -10.3 73 4.0 -7.5 107 22 280.4 280.8 274.8 286.3 2.07 9 766 2097 -11.5 -13.3 86 1.8 -12.0 121 26 282.4 282.7 275.4 287.6 1.79 10 700 2783 -15.9 -17.7 86 1.8 -16.3 135 31 284.9 285.1 276.1 288.9 1.36 11 627 3605 -22.1 -23.9 85 1.8 -22.4 145 34 286.9 287.1 276.5 289.6 0.88 12 615 3747 -23.3 -25.3 84 2.0 -23.6 147 34 287.1 287.3 276.5 289.6 0.79 13 578 4200 -25.9 -27.9 83 2.0 -26.2 152 36 289.2 289.3 277.3 291.3 0.67 14 500 5240 -31.3 -33.9 78 2.6 -31.6 165 40 294.9 295.0 279.7 296.3 0.43 15 479 5542 -32.7 -35.6 75 2.9 -33.0 167 44 296.8 296.9 280.5 298.1 0.38 16 430 6289 -39.1 -43.4 64 4.3 -39.4 172 54 297.9 298.0 280.7 298.6 0.19 17 400 6780 -41.5 -50.5 37 9.0 -41.9 175 60 301.1 301.1 281.9 301.4 0.09 18 367 7361 -44.3 -57.1 23 12.8 -44.7 175 64 304.9 304.9 283.4 305.0 0.05 19 349 7698 -45.9 -60.9 17 15.0 -46.3 175 60 307.1 307.1 284.2 307.2 0.03 20 330 8071 -44.9 -61.9 13 17.0 -45.3 181 56 313.4 313.4 286.6 313.5 0.03 21 300 8710 -44.3 -62.3 12 18.0 -44.9 190 48 322.9 322.9 289.7 323.0 0.03 22 285 9054 -43.3 -61.3 12 18.0 -43.9 191 44 329.1 329.1 291.5 329.3 0.04 23 250 9930 -45.1 -65.1 9 20.0 -45.7 195 33 339.0 339.0 294.1 339.1 0.02 24 239 10231 -45.5 -64.5 10 19.0 -46.1 199 31 342.8 342.8 295.0 342.9 0.03 25 220 10787 -43.3 -67.3 5 24.0 -44.2 206 26 354.4 354.4 297.6 354.5 0.02 26 214 10974 -42.7 -67.7 5 25.0 -43.6 209 25 358.2 358.2 298.4 358.2 0.02 27 200 11430 -43.7 -71.7 3 28.0 -44.6 215 21 363.6 363.6 299.4 363.6 0.01 28 177 12245 -45.1 -79.1 1 34.0 -46.0 215 24 374.2 374.2 301.3 374.2 0.00 29 158 12996 -47.5 -80.5 1 33.0 -48.3 215 28 382.5 382.5 302.6 382.5 0.00 30 150 13340 -45.7 -79.7 1 34.0 -46.7 215 29 391.3 391.3 304.0 391.3 0.00 31 114 15163 -46.1 -80.1 1 34.0 -47.3 191 14 422.5 422.5 308.0 422.5 0.01 32 101 15964 -47.7 -80.7 1 33.0 -48.8 181 8 434.3 434.3 309.3 434.4 0.01 33 100 16030 -48.1 -81.1 1 33.0 -49.3 180 7 434.8 434.8 309.3 434.8 0.01 34 74 18007 -50.5 -82.5 1 32.0 -51.7 214 5 468.8 468.8 312.5 468.9 0.01 35 70 18370 -49.9 -82.9 1 33.0 -51.2 220 5 477.6 477.6 313.2 477.7 0.01 36 50 20570 -51.7 -83.7 1 32.0 -53.1 145 5 521.6 521.6 316.4 521.7 0.01 37 30 23890 -50.7 -82.7 1 32.0 -53.1 60 7 606.4 606.4 320.9 606.5 0.01 38 20 26530 -51.9 -83.9 1 32.0 -54.8 95 7 677.3 677.3 323.7 677.4 0.02 39 17 27584 -52.1 -84.1 1 32.0 -55.4 90 10 708.9 708.9 324.7 709.1 0.02 40 10 31080 -44.5 -78.5 1 34.0 -52.4 75 19 853.4 853.5 328.5 854.3 0.08 41 5.1 35680 -35.3 -72.3 1 37.0 -51.7 1076.3 1076.6 332.3 1082.0 0.43 TRP 349 7698 -45.9 -60.9 17 15.0 -46.3 175 60 307.1 307.1 284.2 307.2 0.03 WND 367 7361 -44.3 -57.1 23 12.8 -44.7 175 64 304.9 304.9 283.4 305.0 0.05 Sounding variables and indices 1000-500 mb thick: 5214.00 m Freezing level: 1000.00 mb = 26.00 m = 85.30 ft Wetbulb zero: Below ground Precipitable water: 0.37 inches Sfc-500 mean rel hum: 84.93 % Est. max temperature: 6.82 C = 44.27 F Sfc-Lift cond lev (LCL): 982.84 mb = 161.53 m = 529.95 ft T: -1.12 C 700-500 lapse rate: 6.27 C/km ThetaE index: 0.47 C Layer 893.0- 766.0 mb Conv cond level (CCL): 961.75 mb = 330.95 m = 1085.79 ft Mean mixing ratio: 3.34 g/kg Conv temperature: 0.68 C = 33.22 F Cap Strength: 5.49 C Lifted Index: 9.26 C Risk: None Lifted Index @300 mb: 27.40 C Lifted Index @700 mb: 3.59 C Showalter Index: 7.70 C Risk: None Total Totals Index: 47.50 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 22.10 C K Index: 14.40 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 2.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.02 J/kg Max Up Vert Vel: 6.79 m/s Conv Inhibition (B-): 74386.56 J/kg Cap Strength: 9.14 C Lift Cond Lev (LCL): 941.92 mb = 493.17 m = 1618.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 177 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 1000 26 240 7 6.1 3.5 | 340 20 7.1 -19.1 1 850 1290 105 21 -20.3 5.4 | 48 26 -19.3 -17.1 2 700 2783 135 31 -21.9 21.9 | 88 21 -20.9 -0.7 3 500 5240 165 40 -10.4 38.6 | 150 19 -9.3 16.1 4 400 6780 175 60 -5.2 59.8 | 174 37 -4.2 37.2 5 367 7361 175 64 -5.6 63.8 | 174 41 -4.6 41.2 6 349 7698 175 60 -5.2 59.8 | 174 37 -4.2 37.2 7 300 8710 190 48 8.3 47.3 | 201 26 9.4 24.7 8 250 9930 195 33 8.5 31.9 | 226 13 9.6 9.3 9 200 11430 215 21 12.0 17.2 | 292 14 13.1 -5.4 10 150 13340 215 29 16.6 23.8 | 266 18 17.7 1.2 11 100 16030 180 7 0.0 7.0 | 356 16 1.0 -15.6 12 70 18370 220 5 3.2 3.8 | 347 19 4.2 -18.7 13 50 20570 145 5 -2.9 4.1 | 6 19 -1.8 -18.5 14 30 23890 60 7 -6.1 -3.5 | 11 27 -5.0 -26.1 15 20 26530 95 7 -7.0 0.6 | 15 23 -6.0 -22.0 16 10 31080 75 19 -18.4 -4.9 | 32 32 -17.3 -27.5 Wind Parameters Mean winds (0-6000m): 147.4 at 30.1 knts Storm direction: 177.4 at 22.6 knts Shear (0-3000m) pos: 2.8 neg: 4.7 tot: 7.5 10-3/s Storm rel Dir Shear (0-3000m): 113.5 deg Storm rel helicity (0-3000m) pos: 145.1 neg: -10.1 tot: 135.0 m^2/s^2 ave: 45.0 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 9.3 stream: 5.0 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.16 Bulk Shear: 144.01 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 48 9 12 29| 0.0 10.4 10.4| 6.9 -5.6 1.3 2.5 0.10| 11.0 1.0 1000 126 12 31 18| 0.0 10.9 10.9| 36.2 -5.6 30.6 30.6 0.47| 13.4 6.2 1500 118 15 39 20| 0.0 9.5 9.5| 50.9 -10.1 40.8 27.2 0.36| 13.0 4.7 2000 117 17 45 21| 1.4 7.1 8.5| 84.3 -10.1 74.2 37.1 0.43| 11.1 4.8 2500 120 19 51 20| 2.3 5.7 8.0|118.0 -10.1 107.8 43.1 0.50| 10.1 5.0 3000 124 21 58 20| 2.8 4.7 7.5|145.1 -10.1 135.0 45.0 0.54| 9.3 5.0 4000 132 24 70 18| 3.0 3.6 6.6|185.4 -10.1 175.3 43.8 0.60| 8.0 4.8 5000 140 27 84 17| 3.2 2.8 6.1|227.8 -10.1 217.7 43.5 0.65| 7.3 4.7 6000 147 30 100 15| 3.7 2.4 6.1|272.3 -10.1 262.2 43.7 0.64| 7.2 4.6 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250428.23.gif