UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025053123.upa.cvt Date: 2300Z 31 MAY 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:2300Z 31 MAY 25 Station: BGSC WMO ident: 4339 Latitude: 70.48 Longitude: -21.95 Elevation: 69.00 ------------------------------------------------------------------------------- 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 995 69 -0.9 -1.9 93 1.0 -1.3 165 1 272.6 273.2 272.1 281.7 3.34 1 966 306 0.4 -3.4 76 3.8 -1.1 194 2 276.3 276.8 273.9 284.8 3.07 2 897 900 0.0 -7.0 59 7.0 -2.6 267 4 281.8 282.2 276.1 289.0 2.52 3 850 1328 -3.3 -9.3 63 6.0 -5.3 320 5 282.7 283.1 276.2 289.1 2.22 4 811 1697 -6.5 -11.5 68 5.0 -8.1 304 6 283.1 283.5 276.0 288.8 1.95 5 786 1941 -8.3 -17.3 48 9.0 -10.6 294 7 283.7 283.9 275.3 287.5 1.25 6 770 2100 -9.3 -15.3 62 6.0 -10.9 287 8 284.3 284.6 276.0 288.8 1.51 7 700 2828 -15.1 -16.0 93 0.9 -15.3 255 11 285.8 286.0 276.9 290.4 1.57 8 691 2926 -16.1 -16.1 100 0.0 -16.1 256 11 285.7 286.0 276.9 290.4 1.57 9 631 3603 -21.7 -21.7 100 0.0 -21.7 260 12 286.8 287.0 276.7 290.1 1.07 10 614 3805 -20.5 -26.5 59 6.0 -21.5 261 13 290.5 290.6 278.0 292.7 0.71 11 582 4200 -22.9 -31.9 44 9.0 -24.1 263 13 292.2 292.2 278.4 293.6 0.45 12 572 4327 -23.1 -33.1 40 10.0 -24.4 264 13 293.4 293.4 279.0 294.7 0.41 13 530 4882 -26.9 -40.9 25 14.0 -28.2 267 14 295.3 295.3 279.6 296.0 0.20 14 511 5144 -28.7 -40.7 31 12.0 -29.8 269 15 296.2 296.2 280.0 296.9 0.21 15 500 5300 -29.7 -33.8 67 4.1 -30.2 270 15 296.8 296.9 280.6 298.3 0.44 16 445 6118 -35.1 -36.5 87 1.4 -35.3 260 19 300.1 300.1 281.9 301.4 0.38 17 400 6850 -40.1 -43.0 74 2.9 -40.3 250 23 302.9 302.9 282.8 303.6 0.21 18 349 7770 -46.3 -49.0 74 2.7 -46.4 247 30 306.5 306.6 284.2 307.0 0.13 19 328 8180 -48.7 -55.7 44 7.0 -48.9 245 33 308.7 308.7 284.9 309.0 0.06 20 300 8770 -46.5 -70.5 5 24.0 -47.0 265 23 319.8 319.8 288.7 319.9 0.01 21 250 9990 -42.5 -77.5 1 35.0 -43.3 305 19 342.9 342.9 295.0 342.9 0.00 22 244 10154 -42.3 -77.3 1 35.0 -43.2 307 19 345.6 345.6 295.7 345.6 0.00 23 222 10789 -43.5 -78.5 1 35.0 -44.4 313 17 353.2 353.2 297.3 353.2 0.00 24 200 11490 -43.3 -78.3 1 35.0 -44.3 320 15 364.2 364.2 299.5 364.2 0.00 25 150 13430 -44.7 -78.7 1 34.0 -45.8 325 7 393.0 393.0 304.2 393.1 0.01 26 101 16064 -45.9 -79.9 1 34.0 -47.3 315 7 437.8 437.8 309.7 437.8 0.01 27 100 16130 -46.1 -80.1 1 34.0 -47.5 315 7 438.7 438.7 309.7 438.7 0.01 TRP 328 8180 -48.7 -55.7 44 7.0 -48.9 245 33 308.7 308.7 284.9 309.0 0.06 WND Sounding variables and indices 1000-500 mb thick: 5231.00 m Freezing level: Surface below freezing Freezing level: 974.92 mb = 232.85 m = 763.95 ft Freezing level: 897.00 mb = 899.61 m = 2951.44 ft Wetbulb zero: Below ground Precipitable water: 0.34 inches Sfc-500 mean rel hum: 64.92 % Est. max temperature: 9.19 C = 48.54 F Sfc-Lift cond lev (LCL): 979.40 mb = 195.44 m = 641.21 ft T: -0.21 C 700-500 lapse rate: 5.91 C/km ThetaE index: 1.63 C Layer 811.0- 770.0 mb Conv cond level (CCL): 811.30 mb = 1693.96 m = 5557.54 ft Mean mixing ratio: 2.90 g/kg Conv temperature: 9.56 C = 49.21 F Cap Strength: 9.25 C Lifted Index: 9.66 C Risk: None Lifted Index @300 mb: 24.09 C Lifted Index @700 mb: 3.28 C Showalter Index: 7.19 C Risk: None Total Totals Index: 46.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.40 C Cross Totals Index: 20.40 C K Index: 16.20 Risk: < 20 % chance of thunderstorms Sweat Index: 25.00 Risk: None Energy Index: 1.86 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 28.38 J/kg Max Up Vert Vel: 7.53 m/s Conv Inhibition (B-): 18448.29 J/kg Cap Strength: 9.32 C Lift Cond Lev (LCL): 878.59 mb = 1064.68 m = 3493.00 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 8 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 ---------------------------------------------------------- 0 995 69 165 1 -0.3 1.0 | 123 8 -7.1 4.5 1 850 1328 320 5 3.2 -3.8 | 86 4 -3.6 -0.3 2 700 2828 255 11 10.6 2.8 | 210 7 3.8 6.4 3 500 5300 270 15 15.0 -0.0 | 246 9 8.1 3.6 4 400 6850 250 23 21.6 7.9 | 232 19 14.8 11.4 5 328 8180 245 33 29.9 13.9 | 233 29 23.0 17.5 6 300 8770 265 23 22.9 2.0 | 251 17 16.1 5.6 7 250 9990 305 19 15.6 -10.9 | 310 11 8.7 -7.3 8 200 11490 320 15 9.6 -11.5 | 341 8 2.8 -7.9 9 150 13430 325 7 4.0 -5.7 | 53 4 -2.8 -2.2 10 100 16130 315 7 4.9 -4.9 | 54 2 -1.9 -1.4 Wind Parameters Mean winds (0-6000m): 267.5 at 10.3 knts Storm direction: 297.5 at 7.7 knts Shear (0-3000m) pos: 1.2 neg: 1.6 tot: 2.7 10-3/s Storm rel Dir Shear (0-3000m): 91.5 deg Storm rel helicity (0-3000m) pos: 6.5 neg: -4.5 tot: 1.9 m^2/s^2 ave: 0.6 10^-3 m/s^2 rel: 0.03 Storm rel vorticity (0-3000m) horiz: 3.5 stream: 0.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.86 Bulk Shear: 15.26 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 8 2 105 7| 2.4 0.0 2.4| 4.5 0.0 4.5 8.9 0.82| 2.6 2.1 1000 322 3 107 6| 2.5 0.0 2.5| 5.2 -1.1 4.1 4.1 0.24| 3.3 0.8 1500 314 3 105 5| 2.3 0.0 2.3| 5.2 -3.3 1.9 1.2 -0.10| 3.5 -0.4 2000 305 4 108 4| 1.7 0.8 2.6| 5.6 -3.3 2.3 1.1 0.06| 3.5 0.2 2500 291 5 132 3| 1.4 1.4 2.8| 5.7 -3.6 2.1 0.8 0.05| 3.6 0.2 3000 277 6 165 3| 1.2 1.6 2.7| 6.5 -4.5 1.9 0.6 0.03| 3.5 0.1 4000 269 8 193 4| 1.1 1.2 2.3| 10.6 -4.5 6.1 1.5 0.12| 2.9 0.3 5000 268 9 209 4| 1.1 0.9 2.1| 15.2 -4.5 10.6 2.1 0.19| 2.5 0.5 6000 268 10 221 5| 0.9 1.2 2.2| 16.1 -8.2 7.9 1.3 0.13| 2.6 0.3 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20250630.23.gif