UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122611.upa.cvt Date: 1100Z 26 DEC 25 Searching for BGSC... Searching the city database file for: BGSC ... Date:1100Z 26 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 -7.3 -14.3 57 7.0 -9.0 15 11 265.4 265.6 263.8 268.8 1.25 1 976 304 -8.5 -19.5 41 11.0 -10.8 360 11 266.5 266.6 263.8 268.8 0.83 2 903 900 -12.5 -16.7 71 4.2 -13.4 321 12 268.4 268.6 265.7 271.6 1.14 3 888 1027 -13.3 -15.1 86 1.8 -13.7 312 12 268.8 269.0 266.4 272.5 1.33 4 876 1131 -12.3 -16.5 71 4.2 -13.2 305 13 270.9 271.1 267.5 274.3 1.20 5 867 1210 -12.5 -17.5 66 5.0 -13.6 300 13 271.5 271.7 267.8 274.7 1.11 6 850 1360 -13.7 -18.7 66 5.0 -14.7 290 13 271.8 272.0 267.8 274.7 1.03 7 833 1513 -14.7 -19.4 67 4.7 -15.6 289 14 272.3 272.5 268.1 275.1 0.99 8 816 1669 -14.1 -22.1 51 8.0 -15.6 289 16 274.6 274.7 269.2 276.9 0.80 9 780 2011 -15.1 -20.0 66 4.9 -16.1 288 18 277.1 277.2 271.1 280.0 1.00 10 771 2098 -15.7 -22.7 55 7.0 -17.0 287 19 277.3 277.5 270.9 279.7 0.80 11 736 2446 -18.3 -29.3 37 11.0 -19.9 286 22 278.2 278.3 270.9 279.6 0.46 12 700 2818 -21.5 -26.5 64 5.0 -22.2 285 25 278.7 278.8 271.5 280.6 0.63 13 646 3407 -24.5 -26.6 83 2.1 -24.8 277 26 281.7 281.9 273.3 283.8 0.67 14 629 3601 -26.1 -27.9 85 1.8 -26.3 274 26 282.1 282.2 273.4 284.0 0.61 15 610 3822 -28.1 -29.5 88 1.4 -28.3 271 27 282.3 282.4 273.4 283.9 0.54 16 578 4206 -31.5 -33.4 83 1.9 -31.7 265 27 282.7 282.7 273.4 283.9 0.40 17 541 4675 -31.5 -45.5 24 14.0 -32.4 258 28 288.1 288.1 275.9 288.5 0.12 18 536 4741 -31.7 -45.7 24 14.0 -32.6 257 28 288.6 288.6 276.2 289.0 0.12 19 500 5230 -34.7 -52.7 14 18.0 -35.5 250 29 290.7 290.7 277.1 290.9 0.06 20 493 5328 -35.1 -54.1 13 19.0 -35.9 250 29 291.4 291.4 277.4 291.6 0.05 21 488 5399 -35.7 -54.7 12 19.0 -36.5 250 29 291.5 291.5 277.5 291.7 0.05 22 400 6750 -45.3 -60.3 17 15.0 -45.6 250 31 296.1 296.1 279.7 296.2 0.03 23 351 7618 -48.7 -65.7 12 17.0 -49.0 245 38 302.8 302.8 282.5 302.9 0.02 24 300 8650 -49.7 -69.7 8 20.0 -50.0 265 44 315.3 315.3 287.2 315.3 0.01 25 271 9315 -49.5 -73.5 4 24.0 -49.9 262 44 324.9 324.9 290.2 324.9 0.01 26 250 9840 -51.9 -81.9 2 30.0 -52.2 260 44 328.9 328.9 291.4 328.9 0.00 27 229 10406 -53.5 -83.5 1 30.0 -53.8 254 46 334.8 334.8 293.0 334.8 0.00 28 215 10813 -52.5 -84.5 1 32.0 -52.8 250 48 342.5 342.5 294.9 342.5 0.00 29 200 11280 -52.9 -84.9 1 32.0 -53.2 245 50 349.0 349.0 296.4 349.0 0.00 30 192 11543 -53.3 -85.3 1 32.0 -53.7 245 52 352.5 352.5 297.1 352.5 0.00 31 167 12431 -57.5 -87.5 1 30.0 -57.8 245 60 359.8 359.8 298.7 359.8 0.00 32 150 13110 -56.5 -87.5 1 31.0 -56.8 245 66 372.7 372.7 301.1 372.7 0.00 33 145 13325 -54.7 -85.7 1 31.0 -55.1 239 70 379.5 379.5 302.2 379.5 0.00 34 142 13459 -54.9 -85.8 1 30.9 -55.3 235 73 381.4 381.4 302.5 381.5 0.00 35 101 15617 -57.9 -87.9 1 30.0 -58.3 240 71 414.7 414.7 307.1 414.7 0.00 36 100 15680 -58.1 -88.1 1 30.0 -58.5 240 71 415.5 415.5 307.2 415.5 0.00 37 70 17910 -62.9 -91.9 1 29.0 -63.2 215 68 449.8 449.8 310.8 449.8 0.00 TRP 351 7618 -48.7 -65.7 12 17.0 -49.0 245 38 302.8 302.8 282.5 302.9 0.02 WND 142 13459 -54.9 -85.8 1 30.9 -55.3 235 73 381.4 381.4 302.5 381.5 0.00 Sounding variables and indices 1000-500 mb thick: 5114.66 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 59.03 % Est. max temperature: -0.99 C = 30.22 F Sfc-Lift cond lev (LCL): 899.59 mb = 928.79 m = 3047.18 ft T: -12.68 C 700-500 lapse rate: 5.47 C/km ThetaE index: 0.38 C Layer 771.0- 700.0 mb Conv cond level (CCL): 703.16 mb = 2784.58 m = 9135.64 ft Mean mixing ratio: 1.00 g/kg Conv temperature: 5.96 C = 42.73 F Cap Strength: 15.98 C Lifted Index: 17.37 C Risk: None Lifted Index @300 mb: 32.25 C Lifted Index @700 mb: 9.18 C Showalter Index: 13.39 C Risk: None Total Totals Index: 37.00 C Risk: None Vertical Totals Index: 21.00 C Cross Totals Index: 16.00 C K Index: -2.70 Risk: None Sweat Index: 55.00 Risk: None Energy Index: 3.41 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.91 J/kg Max Up Vert Vel: 4.22 m/s Conv Inhibition (B-): 27274.89 J/kg Cap Strength: 16.99 C Lift Cond Lev (LCL): 840.00 mb = 1449.71 m = 4756.20 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 302 at 17 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 15 11 -2.8 -10.6 | 84 17 -17.1 -1.7 1 850 1360 290 13 12.2 -4.4 | 156 5 -2.0 4.4 2 700 2818 285 25 24.1 -6.5 | 256 10 9.9 2.4 3 500 5230 250 29 27.3 9.9 | 215 23 13.0 18.8 4 400 6750 250 31 29.1 10.6 | 217 25 14.9 19.5 5 351 7618 245 38 34.4 16.1 | 219 32 20.2 24.9 6 300 8650 265 44 43.8 3.8 | 247 32 29.6 12.7 7 250 9840 260 44 43.3 7.6 | 240 33 29.1 16.5 8 200 11280 245 50 45.3 21.1 | 226 43 31.1 30.0 9 150 13110 245 66 59.8 27.9 | 231 59 45.6 36.8 10 142 13459 235 73 59.8 41.9 | 222 68 45.6 50.8 11 100 15680 240 71 61.5 35.5 | 227 65 47.3 44.4 12 70 17910 215 68 39.0 55.7 | 201 69 24.8 64.6 Wind Parameters Mean winds (0-6000m): 272.0 at 22.4 knts Storm direction: 302.0 at 16.8 knts Shear (0-3000m) pos: 0.0 neg: 4.9 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 165.8 deg Storm rel helicity (0-3000m) pos: 20.3 neg: -9.6 tot: 10.6 m^2/s^2 ave: 3.5 10^-3 m/s^2 rel: 0.39 Storm rel vorticity (0-3000m) horiz: 5.4 stream: 2.1 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.10 Bulk Shear: 89.18 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 7 11 81 16| 0.0 6.7 6.7| 0.0 -6.6 -6.6 -13.3 -0.26| 6.8 -1.7 1000 341 12 78 11| 0.0 6.6 6.6| 4.3 -6.6 -2.4 -2.4 0.07| 7.0 0.5 1500 321 12 84 7| 0.0 6.1 6.1| 10.5 -6.6 3.9 2.6 0.33| 6.7 2.2 2000 309 13 98 4| 0.0 5.5 5.5| 14.7 -6.6 8.1 4.0 0.43| 6.1 2.7 2500 301 15 129 2| 0.0 5.2 5.2| 18.8 -6.6 12.1 4.8 0.46| 5.7 2.6 3000 296 16 199 2| 0.0 4.9 4.9| 20.3 -9.6 10.6 3.5 0.39| 5.4 2.1 4000 288 19 231 5| 0.0 4.1 4.1| 20.3 -26.4 -6.1 -1.5 0.20| 4.9 1.0 5000 279 21 229 8| 0.0 3.7 3.7| 20.3 -50.5 -30.3 -6.1 0.07| 4.7 0.3 6000 272 22 225 11| 0.0 3.2 3.2| 23.9 -55.1 -31.2 -5.2 0.06| 4.1 0.2 Wrote GIF file: /home/apache/climate/data/raob//BGSC/skewt/BGSC.skewt.20251226.11.gif