UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043023.upa.cvt Date: 2300Z 30 APR 25 Searching for BGBW... Searching the city database file for: BGBW ... Date:2300Z 30 APR 25 Station: BGBW WMO ident: 4270 Latitude: 61.18 Longitude: -45.42 Elevation: 26.00 ------------------------------------------------------------------------------- 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 1008 26 1.4 0.8 96 0.6 1.1 180 3 273.9 274.6 273.9 284.8 4.02 1 971 321 0.2 -0.8 93 1.0 -0.2 179 3 275.7 276.3 274.5 285.8 3.71 2 901 907 -2.1 -3.1 93 1.0 -2.5 177 4 279.3 279.8 276.0 288.7 3.37 3 850 1360 -4.3 -5.2 93 0.9 -4.6 175 5 281.6 282.2 276.8 290.3 3.05 4 779 2044 -7.9 -9.0 92 1.1 -8.3 195 8 284.9 285.3 277.7 292.1 2.48 5 773 2104 -8.1 -9.1 92 1.0 -8.4 197 8 285.3 285.7 277.9 292.5 2.48 6 700 2872 -10.3 -11.6 90 1.3 -10.7 220 11 291.1 291.5 280.4 297.8 2.25 7 637 3596 -11.5 -13.0 89 1.5 -12.0 221 20 297.7 298.1 283.2 304.4 2.20 8 589 4194 -13.1 -14.7 88 1.6 -13.6 223 28 302.6 302.9 284.9 309.1 2.07 9 563 4538 -13.7 -15.4 87 1.7 -14.2 223 32 305.8 306.2 286.1 312.3 2.05 10 500 5430 -19.1 -21.2 83 2.1 -19.6 225 44 309.8 310.0 286.9 314.4 1.41 11 400 7050 -30.9 -33.8 76 2.9 -31.3 220 60 314.8 314.9 287.7 316.8 0.55 12 377 7469 -32.5 -35.4 75 2.9 -32.9 223 66 318.1 318.2 288.7 319.9 0.50 13 300 9040 -44.7 -48.4 66 3.7 -44.9 235 89 322.4 322.4 289.6 323.0 0.16 14 250 10230 -54.7 -59.0 59 4.3 -54.8 240 101 324.7 324.8 290.3 325.0 0.05 15 230 10759 -59.3 -63.6 57 4.3 -59.3 240 106 325.6 325.6 290.5 325.8 0.03 16 229 10786 -59.5 -63.8 57 4.3 -59.6 240 105 325.7 325.7 290.5 325.8 0.03 17 220 11037 -60.5 -65.2 54 4.7 -60.6 245 93 327.9 327.9 291.2 328.0 0.03 18 200 11640 -54.9 -59.9 54 5.0 -55.0 245 52 345.8 345.8 295.7 346.1 0.06 19 178 12388 -52.9 -57.9 55 5.0 -53.1 241 48 360.8 360.8 299.0 361.2 0.09 20 165 12876 -53.1 -57.7 57 4.6 -53.3 238 45 368.4 368.4 300.4 368.8 0.10 21 150 13490 -53.3 -58.3 54 5.0 -53.5 235 42 378.2 378.3 302.1 378.7 0.10 22 132 14308 -54.9 -63.9 32 9.0 -55.2 235 37 389.5 389.5 303.8 389.7 0.05 23 108 15601 -50.5 -72.5 6 22.0 -51.3 235 28 420.8 420.8 307.8 420.9 0.02 24 101 16036 -51.7 -79.7 2 28.0 -52.5 235 25 426.6 426.6 308.4 426.7 0.01 25 100 16100 -52.1 -80.1 2 28.0 -52.8 235 25 427.1 427.1 308.5 427.1 0.01 26 91 16707 -54.1 -82.1 2 28.0 -54.8 246 23 434.8 434.8 309.3 434.8 0.01 27 70 18400 -51.1 -82.1 1 31.0 -52.2 275 17 475.1 475.1 313.1 475.1 0.01 28 50 20580 -53.3 -83.3 1 30.0 -54.5 180 15 517.9 517.9 316.2 517.9 0.01 29 30 23870 -52.7 -82.7 1 30.0 -54.7 35 5 601.0 601.0 320.6 601.1 0.01 30 20 26500 -51.5 -81.5 2 30.0 -54.5 105 9 678.5 678.5 323.7 678.7 0.03 31 15 28375 -50.7 -80.7 2 30.0 -54.6 76 11 739.4 739.4 325.6 739.7 0.04 32 10 31050 -45.7 -76.7 2 31.0 -52.9 35 15 849.0 849.0 328.4 850.1 0.11 33 4.0 37383 -28.7 -68.7 1 40.0 -51.0 1185.8 1186.4 333.8 1199.4 0.92 TRP 220 11037 -60.5 -65.2 54 4.7 -60.6 245 93 327.9 327.9 291.2 328.0 0.03 WND 230 10759 -59.3 -63.6 57 4.3 -59.3 240 106 325.6 325.6 290.5 325.8 0.03 Sounding variables and indices 1000-500 mb thick: 5341.23 m Freezing level: 964.91 mb = 371.58 m = 1219.09 ft Wetbulb zero: 976.89 mb = 272.95 m = 895.50 ft Precipitable water: 0.60 inches Sfc-500 mean rel hum: 90.07 % Est. max temperature: 8.75 C = 47.75 F Sfc-Lift cond lev (LCL): 998.59 mb = 99.92 m = 327.82 ft T: 1.10 C 700-500 lapse rate: 3.44 C/km ThetaE index: 0.00 C Layer 1008.0- -0.0 mb Conv cond level (CCL): 907.02 mb = 854.67 m = 2804.01 ft Mean mixing ratio: 3.67 g/kg Conv temperature: 6.41 C = 43.55 F Cap Strength: 17.75 C Lifted Index: 19.85 C Risk: None Lifted Index @300 mb: 25.48 C Lifted Index @700 mb: 7.73 C Showalter Index: 16.92 C Risk: None Total Totals Index: 28.70 C Risk: None Vertical Totals Index: 14.80 C Cross Totals Index: 13.90 C K Index: 8.30 Risk: None Sweat Index: 54.00 Risk: None Energy Index: 4.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.93 J/kg Max Up Vert Vel: 5.82 m/s Conv Inhibition (B-): 70493.67 J/kg Cap Strength: 19.72 C Lift Cond Lev (LCL): 942.82 mb = 551.37 m = 1808.92 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 250 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 1008 26 180 3 0.0 3.0 | 82 14 -13.7 -1.9 1 850 1360 175 5 -0.4 5.0 | 90 14 -14.1 0.1 2 700 2872 220 11 7.1 8.4 | 118 8 -6.6 3.5 3 500 5430 225 44 31.1 31.1 | 214 31 17.4 26.2 4 400 7050 220 60 38.6 46.0 | 211 48 24.9 41.1 5 300 9040 235 89 72.9 51.0 | 232 75 59.2 46.2 6 250 10230 240 101 87.5 50.5 | 238 87 73.8 45.6 7 230 10759 240 106 91.8 53.0 | 238 92 78.1 48.1 8 220 11037 245 93 84.3 39.3 | 244 79 70.6 34.4 9 200 11640 245 52 47.1 22.0 | 243 38 33.4 17.1 10 150 13490 235 42 34.4 24.1 | 227 28 20.7 19.2 11 100 16100 235 25 20.5 14.3 | 216 12 6.8 9.4 12 70 18400 275 17 16.9 -1.5 | 333 7 3.2 -6.4 13 50 20580 180 15 0.0 15.0 | 126 17 -13.7 10.1 14 30 23870 35 5 -2.9 -4.1 | 62 19 -16.6 -9.0 15 20 26500 105 9 -8.7 2.3 | 83 23 -22.4 -2.6 16 10 31050 35 15 -8.6 -12.3 | 52 28 -22.3 -17.2 Wind Parameters Mean winds (0-6000m): 220.3 at 19.4 knts Storm direction: 250.3 at 14.5 knts Shear (0-3000m) pos: 1.8 neg: 0.3 tot: 2.0 10-3/s Storm rel Dir Shear (0-3000m): 51.3 deg Storm rel helicity (0-3000m) pos: 27.9 neg: 0.0 tot: 27.9 m^2/s^2 ave: 9.3 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 2.2 stream: 1.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.44 Bulk Shear: 38.58 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 ------------------------------------------------------------------------------- 500 178 3 83 14| 0.0 0.8 0.8| 2.8 0.0 2.8 5.5 1.00| 0.8 0.8 1000 177 4 85 14| 0.0 0.8 0.8| 5.5 0.0 5.5 5.5 0.99| 0.8 0.8 1500 177 4 87 14| 0.4 0.5 0.9| 9.9 0.0 9.9 6.6 0.95| 1.0 0.9 2000 181 5 89 14| 0.9 0.4 1.3| 16.7 0.0 16.7 8.3 0.86| 1.4 1.2 2500 190 6 93 13| 1.3 0.3 1.6| 21.7 0.0 21.7 8.7 0.76| 1.7 1.3 3000 199 6 96 12| 1.8 0.3 2.0| 27.9 0.0 27.9 9.3 0.75| 2.2 1.6 4000 211 10 110 9| 3.0 0.2 3.2| 53.3 0.0 53.3 13.3 0.76| 3.3 2.5 5000 217 14 142 8| 3.7 0.2 3.9| 81.7 0.0 81.7 16.3 0.64| 4.0 2.5 6000 220 19 173 10| 3.6 0.5 4.2| 94.6 -3.4 91.2 15.2 0.52| 4.3 2.2 Wrote GIF file: /home/apache/climate/data/raob//BGBW/skewt/BGBW.skewt.20250531.23.gif