UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102123.upa.cvt Date: 2300Z 21 OCT 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 21 OCT 25 Station: BGEM WMO ident: 4220 Latitude: 68.70 Longitude: -52.85 Elevation: 41.00 ------------------------------------------------------------------------------- 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 999 41 -1.3 -2.9 89 1.6 -1.9 35 7 271.9 272.4 271.3 280.3 3.09 1 981 187 2.6 -0.9 78 3.5 1.1 46 8 277.3 277.9 275.3 287.3 3.65 2 968 295 2.0 -1.2 79 3.2 0.7 55 9 277.7 278.3 275.5 287.7 3.61 3 914 758 0.0 -1.2 92 1.2 -0.5 90 11 280.3 280.9 277.1 290.9 3.83 4 898 900 0.6 -0.2 94 0.8 0.3 101 12 282.3 283.0 278.6 294.0 4.19 5 850 1341 -0.7 -1.4 95 0.7 -1.0 135 15 285.4 286.1 280.0 296.9 4.06 6 804 1785 -1.1 -1.9 94 0.8 -1.4 142 16 289.6 290.3 282.0 301.5 4.14 7 773 2099 -2.3 -2.9 96 0.6 -2.6 147 16 291.5 292.3 282.7 303.2 3.99 8 700 2881 -6.3 -7.3 93 1.0 -6.7 160 17 295.5 296.1 283.4 305.0 3.15 9 658 3362 -8.5 -9.7 91 1.2 -8.9 167 16 298.3 298.8 284.1 306.8 2.78 10 638 3602 -7.3 -8.2 93 0.9 -7.7 171 16 302.3 302.9 286.1 312.2 3.23 11 607 3988 -9.3 -10.5 91 1.2 -9.8 177 15 304.3 304.9 286.5 313.2 2.83 12 591 4194 -10.5 -11.9 89 1.4 -11.0 180 15 305.3 305.8 286.5 313.4 2.60 13 500 5460 -18.5 -20.2 86 1.7 -19.0 200 13 310.5 310.8 287.3 315.5 1.54 14 484 5703 -19.9 -21.3 89 1.4 -20.3 204 14 311.7 311.9 287.6 316.4 1.44 15 483 5718 -20.1 -21.4 89 1.3 -20.4 204 14 311.6 311.9 287.5 316.3 1.43 16 412 6879 -29.7 -34.2 65 4.5 -30.3 222 20 313.7 313.8 287.3 315.5 0.51 17 400 7090 -31.3 -35.5 66 4.2 -31.8 225 21 314.3 314.4 287.4 315.9 0.46 18 310 8834 -46.9 -50.6 66 3.7 -47.0 247 25 316.3 316.3 287.6 316.7 0.12 19 300 9050 -48.7 -54.7 50 6.0 -48.9 250 25 316.7 316.7 287.8 317.0 0.08 20 289 9295 -50.5 -56.5 49 6.0 -50.7 249 24 317.5 317.6 288.0 317.8 0.06 21 258 10029 -55.5 -59.0 65 3.5 -55.6 246 22 320.7 320.7 289.0 320.9 0.05 22 250 10230 -55.7 -60.7 54 5.0 -55.8 245 21 323.3 323.3 289.8 323.4 0.04 23 239 10516 -56.9 -62.9 47 6.0 -57.0 230 15 325.6 325.6 290.5 325.8 0.03 24 229 10788 -55.3 -63.3 36 8.0 -55.5 237 17 332.1 332.1 292.3 332.2 0.03 25 200 11660 -52.1 -64.1 22 12.0 -52.4 260 23 350.3 350.3 296.7 350.4 0.03 26 183 12236 -49.9 -61.9 23 12.0 -50.3 269 25 362.9 362.9 299.3 363.1 0.05 27 150 13520 -54.1 -68.1 16 14.0 -54.4 290 29 376.9 376.9 301.8 377.0 0.03 28 119 14988 -59.1 -84.1 3 25.0 -59.4 290 28 393.5 393.5 304.3 393.5 0.00 29 101 16017 -58.3 -88.3 1 30.0 -58.7 290 27 413.9 413.9 307.0 413.9 0.00 30 100 16080 -58.3 -88.3 1 30.0 -58.7 290 27 415.1 415.1 307.2 415.1 0.00 31 78 17636 -59.1 -89.1 1 30.0 -59.5 304 21 444.0 444.0 310.3 444.0 0.00 32 70 18310 -60.5 -88.5 1 28.0 -60.9 310 19 455.0 455.0 311.3 455.0 0.00 33 50 20390 -63.5 -91.5 1 28.0 -63.8 310 23 493.8 493.8 314.5 493.9 0.00 TRP 239 10516 -56.9 -62.9 47 6.0 -57.0 230 15 325.6 325.6 290.5 325.8 0.03 WND Sounding variables and indices 1000-500 mb thick: 5419.00 m Freezing level: Surface below freezing Freezing level: 993.00 mb = 89.80 m = 294.60 ft Freezing level: 875.85 mb = 1103.56 m = 3620.57 ft Wetbulb zero: Below ground Precipitable water: 0.72 inches Sfc-500 mean rel hum: 90.83 % Est. max temperature: 12.27 C = 54.08 F Sfc-Lift cond lev (LCL): 974.15 mb = 244.15 m = 801.00 ft T: 2.28 C 700-500 lapse rate: 4.73 C/km Conv cond level (CCL): 727.09 mb = 2581.53 m = 8469.47 ft Mean mixing ratio: 3.69 g/kg Conv temperature: 20.75 C = 69.36 F Cap Strength: 16.26 C Lifted Index: 18.78 C Risk: None Lifted Index @300 mb: 19.95 C Lifted Index @700 mb: 10.26 C Showalter Index: 12.59 C Risk: None Total Totals Index: 34.90 C Risk: None Vertical Totals Index: 17.80 C Cross Totals Index: 17.10 C K Index: 15.40 Risk: < 20 % chance of thunderstorms Sweat Index: 43.00 Risk: None Energy Index: 3.83 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 23.32 J/kg Max Up Vert Vel: 6.83 m/s Conv Inhibition (B-): 31017.67 J/kg Cap Strength: 18.60 C Lift Cond Lev (LCL): 915.57 mb = 744.23 m = 2441.67 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 194 at 11 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 ---------------------------------------------------------- 0 999 41 35 7 -4.0 -5.7 | 22 17 -6.5 -16.2 1 850 1341 135 15 -10.6 10.6 | 91 13 -13.1 0.1 2 700 2881 160 17 -5.8 16.0 | 123 10 -8.3 5.5 3 500 5460 200 13 4.4 12.2 | 228 3 1.9 1.8 4 400 7090 225 21 14.8 14.8 | 250 13 12.3 4.4 5 300 9050 250 25 23.5 8.6 | 275 21 21.0 -1.9 6 250 10230 245 21 19.0 8.9 | 276 17 16.5 -1.6 7 239 10516 230 15 11.5 9.6 | 275 9 9.0 -0.8 8 200 11660 260 23 22.7 4.0 | 288 21 20.1 -6.5 9 150 13520 290 29 27.3 -9.9 | 310 32 24.7 -20.4 10 100 16080 290 27 25.4 -9.2 | 311 30 22.8 -19.7 11 70 18310 310 19 14.6 -12.2 | 332 26 12.0 -22.7 12 50 20390 310 23 17.6 -14.8 | 329 29 15.1 -25.2 Wind Parameters Mean winds (0-6000m): 163.6 at 14.4 knts Storm direction: 193.6 at 10.8 knts Shear (0-3000m) pos: 3.7 neg: 0.0 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 104.0 deg Storm rel helicity (0-3000m) pos: 108.3 neg: 0.0 tot: 108.3 m^2/s^2 ave: 36.1 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 4.9 stream: 4.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.83 Bulk Shear: 28.11 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 89 8 46 15| 6.5 0.0 6.5| 30.6 0.0 30.6 61.2 0.99| 6.7 6.6 1000 97 10 53 16| 6.9 0.0 6.9| 66.8 0.0 66.8 66.8 0.97| 7.7 7.4 1500 115 12 66 14| 6.2 0.0 6.2| 90.0 0.0 90.0 60.0 0.95| 7.5 7.1 2000 125 13 76 13| 5.0 0.0 5.0| 96.6 0.0 96.6 48.3 0.94| 6.2 5.8 2500 132 13 83 12| 4.3 0.0 4.3|103.0 0.0 103.0 41.2 0.94| 5.4 5.1 3000 139 14 90 12| 3.7 0.0 3.7|108.3 0.0 108.3 36.1 0.93| 4.9 4.6 4000 148 14 100 10| 2.7 0.0 2.7|113.6 0.0 113.6 28.4 0.88| 4.3 3.8 5000 156 14 108 9| 2.1 0.0 2.1|116.9 0.0 116.9 23.4 0.87| 3.9 3.4 6000 164 14 117 7| 2.0 0.0 2.0|118.9 0.0 118.9 19.8 0.81| 3.7 3.0 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251021.23.gif