UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025121823.upa.cvt Date: 2300Z 18 DEC 25 Searching for BGEM... Searching the city database file for: BGEM ... Date:2300Z 18 DEC 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 977 41 -9.7 -12.2 82 2.5 -10.3 95 9 265.2 265.5 264.2 269.4 1.53 1 966 130 -3.5 -12.5 50 9.0 -6.0 99 9 272.3 272.6 269.0 276.6 1.51 2 946 295 -4.9 -13.9 49 9.0 -7.3 108 9 272.5 272.8 269.0 276.4 1.38 3 876 895 -8.9 -18.9 44 10.0 -11.2 138 11 274.4 274.6 269.5 277.3 0.98 4 856 1074 -10.3 -18.3 52 8.0 -12.1 147 11 274.8 275.0 269.8 277.9 1.05 5 850 1128 -10.3 -19.3 48 9.0 -12.3 150 11 275.4 275.5 270.0 278.2 0.98 6 795 1643 -10.3 -29.3 19 19.0 -13.6 162 14 280.7 280.7 272.3 282.0 0.43 7 789 1702 -10.9 -29.9 19 19.0 -14.1 163 15 280.6 280.7 272.2 281.9 0.40 8 749 2099 -13.9 -29.9 25 16.0 -16.4 173 18 281.6 281.7 272.8 282.9 0.43 9 700 2609 -18.3 -29.3 37 11.0 -20.0 185 21 282.2 282.3 273.3 283.7 0.48 10 618 3524 -25.7 -32.7 52 7.0 -26.5 166 23 284.0 284.0 274.1 285.2 0.40 11 612 3594 -25.5 -31.5 57 6.0 -26.2 165 23 285.0 285.1 274.8 286.4 0.45 12 589 3871 -25.7 -29.3 72 3.6 -26.2 159 24 287.9 288.0 276.5 289.7 0.57 13 563 4198 -25.1 -29.7 65 4.6 -25.8 153 25 292.3 292.4 278.7 294.2 0.58 14 522 4743 -28.3 -31.4 75 3.1 -28.7 141 26 294.9 295.0 279.8 296.6 0.53 15 500 5050 -30.5 -33.5 75 3.0 -30.9 135 27 295.9 295.9 280.1 297.3 0.45 16 428 6138 -39.1 -41.6 77 2.5 -39.2 138 30 298.3 298.4 281.0 299.1 0.23 17 400 6600 -41.9 -52.9 29 11.0 -42.3 140 31 300.5 300.5 281.7 300.8 0.07 18 351 7473 -49.3 -55.3 49 6.0 -49.4 135 47 302.0 302.0 282.3 302.2 0.06 19 346 7567 -50.3 -56.3 49 6.0 -50.4 135 49 301.9 301.9 282.2 302.1 0.05 20 334 7797 -51.3 -61.3 29 10.0 -51.5 134 53 303.6 303.6 282.9 303.7 0.03 21 313 8217 -54.5 -62.5 37 8.0 -54.6 131 61 304.8 304.8 283.4 304.9 0.03 22 300 8490 -53.7 -61.7 37 8.0 -53.8 130 66 309.7 309.7 285.2 309.8 0.03 23 294 8620 -54.1 -61.1 42 7.0 -54.2 129 67 310.9 310.9 285.7 311.0 0.03 24 270 9160 -58.7 -63.0 57 4.3 -58.7 124 70 311.9 311.9 286.0 312.0 0.03 25 269 9183 -58.7 -63.0 57 4.3 -58.7 124 70 312.2 312.2 286.1 312.3 0.03 26 250 9640 -61.5 -67.5 45 6.0 -61.6 120 73 314.6 314.6 287.0 314.7 0.02 27 243 9815 -62.7 -68.7 44 6.0 -62.8 120 75 315.3 315.3 287.2 315.4 0.02 28 226 10257 -65.9 -71.9 43 6.0 -66.0 120 69 317.1 317.1 287.8 317.2 0.01 29 207 10790 -64.3 -73.3 28 9.0 -64.4 134 50 327.7 327.7 291.0 327.7 0.01 30 200 11000 -63.7 -75.7 18 12.0 -63.8 140 42 331.9 331.9 292.2 331.9 0.01 31 184 11512 -62.9 -78.9 10 16.0 -63.0 143 39 341.2 341.2 294.6 341.2 0.00 32 172 11929 -60.5 -78.5 8 18.0 -60.7 145 36 351.8 351.8 297.0 351.8 0.00 33 166 12150 -60.7 -81.7 5 21.0 -60.9 146 35 355.1 355.1 297.7 355.1 0.00 34 150 12780 -60.7 -82.7 4 22.0 -60.9 150 31 365.5 365.5 299.8 365.5 0.00 35 133 13530 -59.3 -88.3 1 29.0 -59.6 153 27 380.8 380.8 302.3 380.8 0.00 36 132 13578 -59.3 -88.3 1 29.0 -59.6 153 27 381.6 381.6 302.5 381.6 0.00 37 101 15229 -65.3 -93.3 1 28.0 -65.4 160 19 400.4 400.4 305.3 400.4 0.00 38 100 15290 -65.3 -93.3 1 28.0 -65.4 160 19 401.6 401.6 305.4 401.6 0.00 39 91 15862 -66.7 -93.7 1 27.0 -66.8 171 17 409.8 409.8 306.5 409.8 0.00 40 70 17450 -66.5 -94.5 1 28.0 -66.7 200 13 442.1 442.1 310.1 442.1 0.00 41 63 18080 -70.1 -96.1 1 26.0 -70.2 223 10 447.7 447.7 310.6 447.7 0.00 42 54 19000 -67.5 -94.5 1 27.0 -67.7 258 7 473.9 473.9 313.0 473.9 0.00 43 50 19460 -69.1 -96.1 1 27.0 -69.3 275 5 480.7 480.7 313.5 480.7 0.00 44 41 20635 -72.9 -98.9 1 26.0 -73.0 273 9 499.2 499.2 314.9 499.2 0.00 45 30 22460 -74.5 -99.5 1 25.0 -74.6 270 15 541.5 541.5 317.6 541.5 0.00 46 20 24810 -76.5 -101.5 1 25.0 -76.7 295 25 602.0 602.0 320.7 602.0 0.00 47 15 26465 -78.3 -102.3 1 24.0 -78.4 299 32 647.6 647.6 322.6 647.6 0.00 48 10 28810 -73.9 -98.9 1 25.0 -74.3 305 42 743.7 743.7 325.7 743.7 0.00 49 7.6 30413 -73.5 -98.5 1 25.0 -74.1 806.0 806.0 327.4 806.1 0.00 TRP 226 10257 -65.9 -71.9 43 6.0 -66.0 120 69 317.1 317.1 287.8 317.2 0.01 WND 243 9815 -62.7 -68.7 44 6.0 -62.8 120 75 315.3 315.3 287.2 315.4 0.02 Sounding variables and indices Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 48.72 % Est. max temperature: 2.53 C = 36.56 F Sfc-Lift cond lev (LCL): 938.57 mb = 356.29 m = 1168.92 ft T: -5.31 C 700-500 lapse rate: 5.00 C/km ThetaE index: 0.14 C Layer 946.0- 876.0 mb Conv cond level (CCL): 696.80 mb = 2642.66 m = 8670.05 ft Mean mixing ratio: 1.27 g/kg Conv temperature: 7.27 C = 45.08 F Cap Strength: 15.74 C Lifted Index: 16.30 C Risk: None Lifted Index @300 mb: 23.57 C Lifted Index @700 mb: 7.11 C Showalter Index: 14.83 C Risk: None Total Totals Index: 31.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 11.20 C K Index: -10.10 Risk: None Sweat Index: 49.00 Risk: None Energy Index: 3.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.05 J/kg Max Up Vert Vel: 5.49 m/s Conv Inhibition (B-): 56206.36 J/kg Cap Strength: 16.20 C Lift Cond Lev (LCL): 803.70 mb = 1559.49 m = 5116.37 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 182 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 ---------------------------------------------------------- 0 977 41 95 9 -9.0 0.8 | 34 17 -9.6 -14.5 1 850 1128 150 11 -5.5 9.5 | 47 8 -6.1 -5.7 2 700 2609 185 21 1.8 20.9 | 192 6 1.2 5.6 3 500 5050 135 27 -19.1 19.1 | 101 20 -19.7 3.8 4 400 6600 140 31 -19.9 23.7 | 112 22 -20.6 8.5 5 300 8490 130 66 -50.6 42.4 | 118 58 -51.2 27.1 6 250 9640 120 73 -63.2 36.5 | 108 67 -63.9 21.2 7 243 9815 120 75 -65.0 37.5 | 109 69 -65.6 22.2 8 226 10257 120 69 -59.8 34.5 | 108 63 -60.4 19.2 9 200 11000 140 42 -27.0 32.2 | 121 32 -27.6 16.9 10 150 12780 150 31 -15.5 26.8 | 126 20 -16.1 11.6 11 100 15290 160 19 -6.5 17.9 | 110 8 -7.1 2.6 12 70 17450 200 13 4.4 12.2 | 309 5 3.8 -3.1 13 50 19460 275 5 5.0 -0.4 | 345 16 4.4 -15.7 14 30 22460 270 15 15.0 -0.0 | 317 21 14.4 -15.3 15 20 24810 295 25 22.7 -10.6 | 320 34 22.0 -25.8 16 10 28810 305 42 34.4 -24.1 | 319 52 33.8 -39.4 Wind Parameters Mean winds (0-6000m): 152.4 at 20.4 knts Storm direction: 182.4 at 15.3 knts Shear (0-3000m) pos: 3.8 neg: 0.5 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 129.1 deg Storm rel helicity (0-3000m) pos: 27.5 neg: -5.0 tot: 22.5 m^2/s^2 ave: 7.5 10^-3 m/s^2 rel: 0.44 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 2.0 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.50 Bulk Shear: 30.10 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 ------------------------------------------------------------------------------- 500 108 9 38 16| 4.4 0.0 4.4| 9.5 0.0 9.5 19.1 0.53| 4.4 2.3 1000 123 10 42 13| 4.4 0.0 4.4| 12.9 0.0 12.9 12.9 0.37| 4.6 1.7 1500 135 11 46 11| 4.4 0.0 4.4| 17.5 0.0 17.5 11.7 0.43| 4.6 2.0 2000 147 12 53 9| 4.5 0.0 4.5| 22.1 0.0 22.1 11.1 0.54| 4.6 2.5 2500 158 13 62 6| 4.6 0.0 4.6| 27.1 0.0 27.1 10.8 0.63| 4.8 3.0 3000 164 15 75 5| 3.8 0.5 4.3| 27.5 -5.0 22.5 7.5 0.44| 4.6 2.0 4000 164 17 100 5| 2.9 1.5 4.3| 27.5 -21.4 6.1 1.5 0.15| 4.6 0.7 5000 158 19 105 8| 2.3 2.1 4.4| 27.5 -48.7 -21.2 -4.2 -0.02| 4.6 -0.1 6000 152 20 105 10| 2.1 1.7 3.8| 42.0 -48.7 -6.7 -1.1 0.04| 4.1 0.1 Wrote GIF file: /home/apache/climate/data/raob//BGEM/skewt/BGEM.skewt.20251218.23.gif