UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120211.upa.cvt Date: 1100Z 2 DEC 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 2 DEC 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 1006 69 -16.9 -23.9 55 7.0 -17.9 0 0 255.8 255.9 254.9 257.3 0.55 1 902 899 -11.5 -28.5 23 17.0 -14.1 295 7 269.5 269.5 265.1 270.7 0.40 2 867 1202 -11.7 -26.7 28 15.0 -14.2 272 10 272.3 272.4 267.3 273.8 0.50 3 850 1354 -12.9 -17.9 66 5.0 -14.0 260 11 272.6 272.8 268.5 275.8 1.10 4 807 1747 -16.1 -17.3 90 1.2 -16.4 228 9 273.3 273.5 269.1 276.8 1.22 5 792 1888 -16.9 -20.5 74 3.6 -17.6 216 9 273.9 274.1 269.1 276.7 0.94 6 770 2100 -15.9 -28.9 32 13.0 -17.9 199 8 277.2 277.3 270.3 278.6 0.46 7 757 2228 -15.5 -32.5 22 17.0 -17.9 188 7 279.0 279.1 271.1 280.0 0.33 8 700 2816 -17.7 -37.7 16 20.0 -20.0 140 5 282.9 282.9 273.2 283.6 0.21 9 673 3109 -18.9 -40.9 12 22.0 -21.2 135 5 284.7 284.8 274.2 285.3 0.16 10 630 3597 -21.9 -39.9 18 18.0 -23.7 127 5 286.7 286.8 275.3 287.4 0.19 11 580 4201 -25.3 -44.3 15 19.0 -26.9 118 5 289.6 289.7 276.7 290.1 0.13 12 500 5260 -33.1 -48.1 21 15.0 -34.0 100 5 292.7 292.7 278.2 293.0 0.10 13 435 6229 -38.5 -59.5 9 21.0 -39.2 150 10 297.7 297.7 280.4 297.8 0.03 14 417 6518 -40.9 -62.9 8 22.0 -41.5 165 12 298.3 298.3 280.6 298.3 0.02 15 405 6716 -42.3 -63.3 8 21.0 -42.8 176 13 298.9 299.0 280.9 299.0 0.02 16 400 6800 -43.1 -63.1 9 20.0 -43.6 180 13 299.0 299.0 280.9 299.0 0.02 17 350 7688 -50.1 -55.1 55 5.0 -50.2 199 15 301.2 301.2 281.9 301.4 0.06 18 300 8680 -57.5 -62.0 56 4.5 -57.6 220 17 304.3 304.3 283.1 304.4 0.03 19 251 9786 -65.3 -69.9 53 4.6 -65.3 225 23 308.6 308.6 284.8 308.7 0.01 20 250 9810 -65.5 -70.2 52 4.7 -65.5 220 21 308.7 308.7 284.8 308.7 0.01 21 213 10791 -61.9 -73.9 19 12.0 -62.0 213 20 328.8 328.8 291.4 328.8 0.01 22 200 11180 -62.1 -78.1 10 16.0 -62.2 210 19 334.4 334.4 292.9 334.4 0.00 23 185 11663 -59.7 -87.7 1 28.0 -59.9 207 19 345.8 345.8 295.7 345.9 0.00 24 170 12193 -57.3 -85.3 2 28.0 -57.5 204 19 358.3 358.3 298.4 358.3 0.00 25 150 12980 -58.1 -88.1 1 30.0 -58.3 200 19 370.0 370.0 300.5 370.0 0.00 26 136 13600 -56.7 -86.7 1 30.0 -57.1 201 19 383.0 383.0 302.7 383.0 0.00 27 101 15468 -61.5 -90.5 1 29.0 -61.7 205 17 407.7 407.7 306.2 407.7 0.00 28 100 15530 -61.3 -90.3 1 29.0 -61.6 205 17 409.3 409.3 306.4 409.3 0.00 29 70 17720 -66.5 -94.5 1 28.0 -66.7 225 17 442.1 442.1 310.1 442.1 0.00 30 50 19730 -70.9 -96.9 1 26.0 -71.1 220 17 476.4 476.4 313.2 476.4 0.00 31 30 22740 -73.3 -99.3 1 26.0 -73.5 260 15 544.8 544.8 317.8 544.8 0.00 TRP 251 9786 -65.3 -69.9 53 4.6 -65.3 225 23 308.6 308.6 284.8 308.7 0.01 WND Sounding variables and indices 1000-500 mb thick: 5145.52 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.09 inches Sfc-500 mean rel hum: 29.74 % Est. max temperature: -0.15 C = 31.72 F Sfc-Lift cond lev (LCL): 896.93 mb = 941.87 m = 3090.10 ft T: -11.53 C 700-500 lapse rate: 6.30 C/km ThetaE index: 0.12 C Layer 792.0- 770.0 mb Conv cond level (CCL): 502.66 mb = 5222.19 m = 17132.96 ft Mean mixing ratio: 0.48 g/kg Conv temperature: 19.93 C = 67.87 F Cap Strength: 22.38 C Lifted Index: 23.83 C Risk: None Lifted Index @300 mb: 28.73 C Lifted Index @700 mb: 17.96 C Showalter Index: 14.17 C Risk: None Total Totals Index: 35.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 15.20 C K Index: -17.70 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.67 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 0.00 J/kg Max Up Vert Vel: 0.00 m/s Conv Inhibition (B-): 43687.50 J/kg Cap Strength: 23.70 C Lift Cond Lev (LCL): 787.71 mb = 1928.82 m = 6328.09 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 201 at 5 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 69 0 0 -0.0 -0.0 | 21 5 -1.7 -4.3 1 850 1354 260 11 10.8 1.9 | 284 9 9.2 -2.4 2 700 2816 140 5 -3.2 3.8 | 85 5 -4.9 -0.4 3 500 5260 100 5 -4.9 0.9 | 63 7 -6.6 -3.4 4 400 6800 180 13 0.0 13.0 | 169 9 -1.7 8.7 5 300 8680 220 17 10.9 13.0 | 227 13 9.3 8.7 6 251 9786 225 23 16.3 16.3 | 231 19 14.6 12.0 7 250 9810 220 21 13.5 16.1 | 225 17 11.8 11.8 8 200 11180 210 19 9.5 16.5 | 213 14 7.8 12.2 9 150 12980 200 19 6.5 17.9 | 200 14 4.8 13.6 10 100 15530 205 17 7.2 15.4 | 206 12 5.5 11.1 11 70 17720 225 17 12.0 12.0 | 233 13 10.4 7.7 12 50 19730 220 17 10.9 13.0 | 227 13 9.3 8.7 13 30 22740 260 15 14.8 2.6 | 277 13 13.1 -1.7 Wind Parameters Mean winds (0-6000m): 171.2 at 6.1 knts Storm direction: 201.2 at 4.6 knts Shear (0-3000m) pos: 0.0 neg: 0.9 tot: 0.9 10-3/s Storm rel Dir Shear (0-3000m): 61.2 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -50.3 tot: -50.3 m^2/s^2 ave: -16.8 10^-3 m/s^2 rel: -0.88 Storm rel vorticity (0-3000m) horiz: 5.7 stream: -5.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.00 Bulk Shear: 3.40 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 ------------------------------------------------------------------------------- 500 219 2 10 3| 0.0 4.4 4.4| 0.0 -5.5 -5.5 -11.1 -0.71| 4.7 -3.3 1000 253 4 323 4| 0.0 4.4 4.4| 0.0 -18.9 -18.9 -18.9 -0.86| 5.5 -4.7 1500 258 6 304 5| 0.0 3.5 3.5| 0.0 -35.5 -35.5 -23.7 -0.88| 6.4 -5.6 2000 249 7 291 5| 0.0 2.1 2.1| 0.0 -43.1 -43.1 -21.6 -0.86| 6.5 -5.6 2500 245 7 286 5| 0.0 1.2 1.2| 0.0 -47.8 -47.8 -19.1 -0.88| 6.3 -5.6 3000 242 7 285 4| 0.0 0.9 0.9| 0.0 -50.3 -50.3 -16.8 -0.88| 5.7 -5.0 4000 221 6 259 3| 0.0 0.6 0.6| 0.0 -51.7 -51.7 -12.9 -0.87| 4.5 -3.9 5000 196 6 179 1| 0.0 0.5 0.5| 0.0 -53.6 -53.6 -10.7 -0.86| 3.7 -3.2 6000 171 6 124 3| 0.5 0.4 1.0| 13.6 -53.9 -40.4 -6.7 -0.58| 3.7 -2.1 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20251202.11.gif