UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100823.upa.cvt Date: 2300Z 8 OCT 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 8 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 998 41 1.4 -0.1 90 1.5 0.8 170 9 274.7 275.3 274.0 285.0 3.80 1 966 303 -0.3 -2.6 84 2.3 -1.2 174 11 275.6 276.1 273.8 284.5 3.26 2 896 900 -5.1 -6.0 93 0.9 -5.4 183 17 276.6 277.1 273.5 284.2 2.72 3 866 1168 -5.3 -10.3 68 5.0 -6.9 188 20 279.1 279.4 273.9 284.8 2.01 4 850 1314 -6.7 -11.6 68 4.9 -8.2 190 21 279.1 279.4 273.7 284.4 1.85 5 768 2097 -13.1 -16.0 79 2.9 -13.8 198 20 280.4 280.7 273.8 284.6 1.43 6 733 2450 -16.3 -17.3 92 1.0 -16.5 201 19 280.7 280.9 273.8 284.6 1.34 7 700 2795 -18.5 -19.5 92 1.0 -18.7 205 19 282.0 282.2 274.3 285.5 1.16 8 664 3186 -21.1 -21.4 97 0.3 -21.1 204 20 283.4 283.5 274.8 286.5 1.04 9 628 3595 -23.7 -25.1 88 1.4 -23.9 203 21 284.9 285.1 275.3 287.4 0.79 10 578 4195 -27.9 -30.6 78 2.7 -28.2 202 22 286.9 287.0 275.9 288.5 0.52 11 520 4946 -33.5 -35.8 80 2.3 -33.7 201 24 288.9 289.0 276.7 290.1 0.35 12 506 5137 -34.1 -40.1 55 6.0 -34.6 200 25 290.5 290.5 277.3 291.2 0.23 13 500 5220 -34.9 -39.9 60 5.0 -35.3 200 25 290.5 290.5 277.3 291.3 0.24 14 447 5991 -41.3 -43.0 84 1.7 -41.4 197 24 291.9 291.9 277.9 292.5 0.19 15 435 6175 -41.9 -48.9 46 7.0 -42.2 197 24 293.4 293.4 278.5 293.8 0.10 16 400 6740 -44.5 -53.5 36 9.0 -44.8 195 23 297.2 297.2 280.2 297.4 0.07 17 388 6944 -44.7 -56.7 25 12.0 -45.0 189 22 299.5 299.5 281.2 299.7 0.05 18 351 7609 -49.1 -60.1 27 11.0 -49.3 170 18 302.3 302.3 282.3 302.4 0.03 19 300 8640 -49.1 -66.1 12 17.0 -49.4 140 13 316.1 316.1 287.5 316.2 0.02 20 255 9709 -45.3 -72.3 3 27.0 -45.9 211 8 336.8 336.8 293.5 336.8 0.01 21 250 9840 -45.5 -73.5 3 28.0 -46.2 220 7 338.4 338.4 293.9 338.5 0.01 22 216 10816 -46.7 -80.7 1 34.0 -47.3 217 10 351.0 351.0 296.8 351.0 0.00 23 200 11330 -45.7 -79.7 1 34.0 -46.4 215 11 360.4 360.4 298.8 360.4 0.00 24 150 13230 -46.9 -80.9 1 34.0 -47.8 389.2 389.2 303.7 389.3 0.00 25 143 13547 -47.1 -80.1 1 33.0 -48.0 394.3 394.3 304.4 394.3 0.00 TRP WND Sounding variables and indices 1000-500 mb thick: 5179.00 m Freezing level: 971.65 mb = 256.63 m = 841.95 ft Wetbulb zero: 985.45 mb = 142.70 m = 468.16 ft Precipitable water: 0.32 inches Sfc-500 mean rel hum: 82.60 % Est. max temperature: 5.85 C = 42.53 F Sfc-Lift cond lev (LCL): 974.89 mb = 229.25 m = 752.13 ft T: 0.18 C 700-500 lapse rate: 6.76 C/km ThetaE index: 0.86 C Layer 966.0- 866.0 mb Conv cond level (CCL): 915.14 mb = 732.18 m = 2402.13 ft Mean mixing ratio: 3.16 g/kg Conv temperature: 3.01 C = 37.41 F Cap Strength: 5.55 C Lifted Index: 5.51 C Risk: None Lifted Index @300 mb: 22.48 C Lifted Index @700 mb: 0.87 C Showalter Index: 5.57 C Risk: None Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 28.20 C Cross Totals Index: 23.30 C K Index: 15.60 Risk: < 20 % chance of thunderstorms Sweat Index: 117.00 Risk: None Energy Index: 1.38 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.03 J/kg Max Up Vert Vel: 3.47 m/s Conv Inhibition (B-): 10470.01 J/kg Cap Strength: 5.56 C Lift Cond Lev (LCL): 922.56 mb = 668.10 m = 2191.91 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 228 at 15 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 ---------------------------------------------------------- 0 998 41 170 9 -1.6 8.9 | 84 13 -12.9 -1.5 1 850 1314 190 21 3.6 20.7 | 143 13 -7.7 10.4 2 700 2795 205 19 8.0 17.2 | 154 8 -3.3 6.9 3 500 5220 200 25 8.6 23.5 | 168 13 -2.8 13.2 4 400 6740 195 23 6.0 22.2 | 156 13 -5.4 11.9 5 300 8640 140 13 -8.4 10.0 | 89 20 -19.7 -0.4 6 250 9840 220 7 4.5 5.4 | 54 8 -6.9 -5.0 7 200 11330 215 11 6.3 9.0 | 76 5 -5.1 -1.3 Wind Parameters Mean winds (0-6000m): 197.8 at 20.5 knts Storm direction: 227.8 at 15.4 knts Shear (0-3000m) pos: 2.3 neg: 0.0 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): 73.1 deg Storm rel helicity (0-3000m) pos: 49.3 neg: 0.0 tot: 49.3 m^2/s^2 ave: 16.4 10^-3 m/s^2 rel: 0.80 Storm rel vorticity (0-3000m) horiz: 3.3 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.42 Bulk Shear: 14.33 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 ------------------------------------------------------------------------------- 500 181 11 94 11| 5.1 0.0 5.1| 16.4 0.0 16.4 32.9 0.99| 5.1 5.1 1000 182 14 107 11| 5.2 0.0 5.2| 33.4 0.0 33.4 33.4 0.99| 5.2 5.2 1500 185 16 119 11| 4.4 0.0 4.4| 44.3 0.0 44.3 29.5 0.96| 4.8 4.6 2000 188 17 126 11| 3.3 0.0 3.3| 46.4 0.0 46.4 23.2 0.89| 4.1 3.6 2500 191 18 131 11| 2.6 0.0 2.6| 47.9 0.0 47.9 19.2 0.83| 3.7 3.0 3000 193 18 134 10| 2.3 0.0 2.3| 49.3 0.0 49.3 16.4 0.80| 3.3 2.6 4000 196 19 141 10| 1.7 0.3 2.0| 52.0 0.0 52.0 13.0 0.76| 2.8 2.1 5000 197 20 147 10| 1.4 0.5 1.9| 54.4 0.0 54.4 10.9 0.71| 2.5 1.8 6000 198 20 151 11| 1.1 0.4 1.6| 54.6 -5.4 49.2 8.2 0.60| 2.3 1.4 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251008.23.gif