UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042123.upa.cvt Date: 2300Z 21 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 21 APR 25 Station: EG918 WMO ident: 3918 Latitude: 54.50 Longitude: -6.34 ------------------------------------------------------------------------------- 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 1011 17 8.2 5.8 85 2.4 7.0 225 4 280.5 281.4 279.6 296.2 5.72 1 1000 107 8.6 4.3 74 4.3 6.5 240 10 281.8 282.6 279.6 296.2 5.20 2 994 157 8.8 2.8 66 6.0 5.9 242 10 282.4 283.2 279.3 295.6 4.71 3 969 368 7.8 0.8 61 7.0 4.6 250 11 283.5 284.2 279.2 295.3 4.18 4 925 749 4.2 0.8 79 3.4 2.7 265 12 283.6 284.4 279.5 295.9 4.38 5 923 767 4.0 0.7 79 3.3 2.5 264 12 283.6 284.3 279.4 295.8 4.36 6 919 802 3.6 1.1 84 2.5 2.5 263 12 283.5 284.3 279.6 296.2 4.51 7 908 899 2.8 -0.1 81 2.9 1.5 260 12 283.7 284.4 279.3 295.4 4.18 8 906 917 2.8 -1.2 75 4.0 1.1 259 12 283.9 284.5 279.0 294.8 3.86 9 905 926 2.8 -3.2 65 6.0 0.3 259 12 283.9 284.5 278.3 293.4 3.33 10 902 953 2.6 -1.9 72 4.5 0.7 258 12 284.0 284.6 278.8 294.4 3.68 11 893 1034 2.0 -5.0 60 7.0 -0.8 255 12 284.2 284.7 278.0 292.6 2.95 12 878 1170 0.8 -5.2 64 6.0 -1.6 250 13 284.3 284.8 278.0 292.8 2.95 13 868 1262 0.4 -6.6 59 7.0 -2.3 246 13 284.9 285.3 277.9 292.6 2.68 14 862 1318 0.0 -6.0 64 6.0 -2.3 244 13 285.0 285.5 278.2 293.1 2.83 15 860 1337 0.0 -3.6 77 3.6 -1.4 243 13 285.2 285.8 279.0 294.9 3.40 16 850 1430 -1.1 -3.4 84 2.3 -2.0 240 13 285.0 285.6 279.1 295.0 3.50 17 841 1515 -1.9 -3.3 90 1.4 -2.5 239 13 285.0 285.6 279.1 295.2 3.56 18 837 1553 -1.9 -3.2 91 1.3 -2.4 239 13 285.4 286.0 279.4 295.7 3.60 19 812 1793 -3.3 -6.0 82 2.7 -4.3 238 14 286.4 286.9 279.1 295.1 3.00 20 803 1881 -3.7 -11.7 54 8.0 -6.3 237 14 286.9 287.2 278.0 292.6 1.94 21 799 1921 -3.9 -8.6 70 4.7 -5.5 237 15 287.1 287.5 278.8 294.4 2.50 22 791 2000 -4.7 -6.7 86 2.0 -5.4 236 15 287.1 287.6 279.3 295.5 2.92 23 790 2010 -4.7 -7.0 84 2.3 -5.5 236 15 287.2 287.7 279.3 295.5 2.86 24 788 2030 -4.7 -12.7 54 8.0 -7.2 236 15 287.4 287.7 278.0 292.8 1.82 25 787 2040 -4.5 -14.5 46 10.0 -7.5 236 15 287.7 288.0 277.9 292.4 1.58 26 786 2050 -4.5 -14.5 46 10.0 -7.5 236 15 287.8 288.1 277.9 292.5 1.58 27 783 2080 -4.7 -16.7 38 12.0 -8.1 236 15 287.9 288.1 277.6 291.9 1.32 28 776 2151 -5.5 -12.5 58 7.0 -7.7 235 15 287.8 288.1 278.3 293.4 1.88 29 775 2161 -5.5 -12.5 58 7.0 -7.7 235 15 287.9 288.2 278.4 293.5 1.89 30 772 2191 -5.5 -20.5 30 15.0 -9.3 235 15 288.2 288.4 277.3 291.2 0.97 31 767 2242 -6.1 -21.1 29 15.0 -9.8 235 16 288.1 288.3 277.2 290.9 0.93 32 761 2303 -6.5 -20.5 32 14.0 -10.0 234 16 288.3 288.5 277.3 291.3 0.98 33 760 2314 -6.7 -18.7 38 12.0 -9.8 234 16 288.2 288.4 277.5 291.7 1.15 34 757 2345 -6.9 -11.9 67 5.0 -8.5 234 16 288.3 288.7 278.8 294.3 2.03 35 755 2365 -7.3 -13.3 62 6.0 -9.1 234 16 288.1 288.4 278.4 293.5 1.81 36 752 2396 -7.5 -9.5 86 2.0 -8.2 234 16 288.2 288.6 279.3 295.5 2.47 37 747 2448 -7.9 -8.3 97 0.4 -8.1 233 16 288.3 288.8 279.7 296.3 2.73 38 745 2469 -8.1 -8.8 95 0.7 -8.4 233 16 288.3 288.8 279.6 296.1 2.64 39 743 2490 -7.9 -9.6 88 1.7 -8.5 233 16 288.8 289.2 279.6 296.1 2.48 40 741 2511 -7.9 -9.7 87 1.8 -8.5 233 17 289.0 289.4 279.7 296.3 2.47 41 740 2521 -7.9 -9.6 88 1.7 -8.5 233 17 289.1 289.5 279.7 296.4 2.49 42 738 2542 -7.9 -13.9 62 6.0 -9.7 233 17 289.3 289.6 278.9 294.6 1.77 43 736 2564 -7.7 -12.7 67 5.0 -9.2 233 17 289.8 290.1 279.4 295.6 1.95 44 735 2574 -7.5 -17.5 45 10.0 -10.2 233 17 290.1 290.3 278.7 294.1 1.31 45 731 2617 -7.5 -25.5 22 18.0 -11.5 232 17 290.6 290.7 278.0 292.6 0.66 46 729 2638 -7.5 -21.5 32 14.0 -10.9 232 17 290.8 290.9 278.5 293.7 0.94 47 715 2789 -8.3 -26.3 22 18.0 -12.1 231 17 291.5 291.6 278.4 293.5 0.62 48 700 2953 -9.3 -26.3 24 17.0 -12.9 230 18 292.2 292.3 278.7 294.2 0.64 49 694 3020 -9.9 -25.9 26 16.0 -13.3 231 18 292.2 292.4 278.8 294.4 0.67 50 674 3245 -11.3 -30.3 19 19.0 -14.8 233 19 293.1 293.2 278.9 294.6 0.46 51 670 3290 -11.3 -26.3 28 15.0 -14.4 233 19 293.6 293.7 279.4 295.8 0.67 52 667 3325 -11.5 -27.5 25 16.0 -14.7 234 19 293.8 293.9 279.4 295.7 0.60 53 666 3336 -11.5 -27.5 25 16.0 -14.7 234 19 293.9 294.0 279.5 295.8 0.60 54 500 5480 -24.7 -30.7 57 6.0 -25.6 255 25 302.9 303.0 283.4 304.9 0.59 55 400 7060 -36.3 -51.3 20 15.0 -37.1 255 27 307.8 307.8 284.6 308.1 0.08 56 300 8990 -52.7 -57.0 60 4.3 -52.8 245 44 311.1 311.1 285.8 311.3 0.06 57 283 9363 -55.7 -58.8 68 3.1 -55.8 250 44 312.0 312.0 286.1 312.2 0.05 58 250 10160 -50.9 -78.9 2 28.0 -51.2 240 23 330.4 330.4 291.8 330.4 0.00 59 200 11630 -48.3 -82.3 1 34.0 -48.9 225 18 356.3 356.3 298.0 356.3 0.00 60 150 13540 -47.5 -84.5 1 37.0 -48.3 210 6 388.2 388.2 303.5 388.2 0.00 61 100 16180 -53.5 -87.5 1 34.0 -54.1 250 5 424.4 424.4 308.2 424.4 0.00 62 91 16789 -51.7 -86.7 1 35.0 -52.5 247 7 439.5 439.5 309.8 439.5 0.00 63 74 18122 -54.5 -88.5 1 34.0 -55.2 242 13 460.4 460.4 311.8 460.4 0.00 64 71 18388 -52.7 -88.7 1 36.0 -53.7 240 14 469.7 469.7 312.6 469.7 0.00 65 70 18480 -52.7 -87.7 1 35.0 -53.7 240 14 471.6 471.6 312.8 471.7 0.00 66 68 18666 -53.1 -88.1 1 35.0 -54.1 236 13 474.7 474.7 313.0 474.7 0.00 67 61 19369 -50.5 -87.5 0 37.0 -51.9 222 11 495.5 495.5 314.6 495.5 0.00 68 54 20156 -53.5 -88.5 1 35.0 -54.6 205 9 506.1 506.1 315.4 506.1 0.00 69 50 20650 -53.3 -89.3 0 36.0 -54.5 195 7 517.9 517.9 316.2 517.9 0.00 70 48 20913 -51.9 -88.9 0 37.0 -53.4 194 7 527.3 527.3 316.8 527.3 0.00 71 44 21477 -51.9 -88.9 0 37.0 -53.5 191 7 540.6 540.6 317.6 540.6 0.00 72 42 21777 -53.7 -88.7 1 35.0 -55.1 190 7 543.4 543.4 317.7 543.4 0.00 73 37 22597 -50.1 -88.1 0 38.0 -52.3 186 7 572.7 572.7 319.3 572.7 0.00 74 34 23146 -52.5 -89.5 0 37.0 -54.4 184 7 580.4 580.4 319.7 580.4 0.00 75 31 23746 -50.1 -88.1 0 38.0 -52.6 181 7 602.4 602.4 320.7 602.4 0.01 76 30 23960 -50.9 -88.9 0 38.0 -53.3 180 7 605.9 605.9 320.9 605.9 0.00 77 28 24409 -50.1 -88.1 0 38.0 -52.8 195 7 620.2 620.2 321.5 620.2 0.01 78 24 25413 -50.9 -88.9 0 38.0 -53.7 230 7 645.8 645.8 322.5 645.8 0.01 79 23 25691 -49.1 -87.1 0 38.0 -52.5 239 7 659.0 659.0 323.0 659.1 0.01 80 22 25981 -51.7 -88.7 0 37.0 -54.5 249 7 659.7 659.7 323.0 659.7 0.01 81 21 26283 -50.9 -88.9 0 38.0 -54.0 259 7 670.9 670.9 323.4 671.0 0.01 82 20 26600 -51.1 -89.1 0 38.0 -54.3 270 7 679.8 679.8 323.7 679.8 0.01 83 14 28908 -53.3 -90.3 0 37.0 -56.7 745.3 745.3 325.8 745.4 0.01 84 13 29386 -52.5 -89.5 0 37.0 -56.3 764.0 764.0 326.3 764.1 0.01 TRP 283 9363 -55.7 -58.8 68 3.1 -55.8 250 44 312.0 312.0 286.1 312.2 0.05 WND Sounding variables and indices 1000-500 mb thick: 5373.00 m Freezing level: 860.00 mb = 1336.52 m = 4384.87 ft Wetbulb zero: 897.84 mb = 990.43 m = 3249.40 ft Precipitable water: 0.45 inches Sfc-500 mean rel hum: 51.86 % Est. max temperature: 12.84 C = 55.11 F Sfc-Lift cond lev (LCL): 974.64 mb = 319.66 m = 1048.74 ft T: 8.03 C 700-500 lapse rate: 6.09 C/km ThetaE index: 2.73 C Layer 908.0- 902.0 mb Conv cond level (CCL): 865.56 mb = 1284.87 m = 4215.40 ft Mean mixing ratio: 4.50 g/kg Conv temperature: 12.66 C = 54.78 F Cap Strength: 3.30 C Lifted Index: 7.33 C Risk: None Lifted Index @300 mb: 10.97 C Lifted Index @700 mb: 2.69 C Showalter Index: 7.86 C Risk: None Total Totals Index: 44.90 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.60 C Cross Totals Index: 21.30 C K Index: 3.20 Risk: None Sweat Index: 51.00 Risk: None Energy Index: 2.04 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 8.62 J/kg Max Up Vert Vel: 4.15 m/s Conv Inhibition (B-): 55181.38 J/kg Cap Strength: 7.05 C Lift Cond Lev (LCL): 889.77 mb = 1063.20 m = 3488.15 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 275 at 14 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 1011 17 225 4 2.8 2.8 | 110 11 -10.7 3.9 1 1000 107 240 10 8.7 5.0 | 141 8 -4.9 6.1 2 925 749 265 12 12.0 1.0 | 144 3 -1.6 2.2 3 850 1430 240 13 11.3 6.5 | 163 8 -2.3 7.6 4 700 2953 230 18 13.8 11.6 | 181 13 0.3 12.7 5 500 5480 255 25 24.1 6.5 | 234 13 10.6 7.6 6 400 7060 255 27 26.1 7.0 | 237 15 12.6 8.1 7 300 8990 245 44 39.9 18.6 | 233 33 26.3 19.7 8 283 9363 250 44 41.3 15.0 | 240 32 27.8 16.2 9 250 10160 240 23 19.9 11.5 | 207 14 6.4 12.6 10 200 11630 225 18 12.7 12.7 | 177 14 -0.8 13.8 11 150 13540 210 6 3.0 5.2 | 121 12 -10.5 6.3 12 100 16180 250 5 4.7 1.7 | 108 9 -8.8 2.8 13 70 18480 240 14 12.1 7.0 | 170 8 -1.4 8.1 14 50 20650 195 7 1.8 6.8 | 124 14 -11.7 7.9 15 30 23960 180 7 0.0 7.0 | 121 16 -13.5 8.1 16 20 26600 270 7 7.0 -0.0 | 100 7 -6.5 1.1 Wind Parameters Mean winds (0-6000m): 244.7 at 18.1 knts Storm direction: 274.7 at 13.6 knts Shear (0-3000m) pos: 1.4 neg: 1.6 tot: 3.0 10-3/s Storm rel Dir Shear (0-3000m): 72.1 deg Storm rel helicity (0-3000m) pos: 22.9 neg: -0.1 tot: 22.8 m^2/s^2 ave: 7.6 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 1.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.98 Bulk Shear: 8.77 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 ------------------------------------------------------------------------------- 500 247 10 139 7| 8.3 0.0 8.3| 13.0 0.0 13.0 26.1 0.60| 9.8 5.9 1000 255 11 144 5| 4.2 0.6 4.8| 13.9 -0.1 13.8 13.8 0.50| 6.8 3.4 1500 251 12 152 5| 2.8 1.4 4.2| 14.9 -0.1 14.8 9.8 0.42| 5.8 2.4 2000 247 12 159 6| 2.1 1.5 3.6| 17.7 -0.1 17.6 8.8 0.45| 4.8 2.2 2500 244 13 164 7| 1.7 1.6 3.2| 20.2 -0.1 20.1 8.0 0.45| 4.2 1.9 3000 241 14 169 8| 1.4 1.6 3.0| 22.9 -0.1 22.8 7.6 0.45| 3.8 1.7 4000 239 15 177 9| 1.6 1.2 2.8| 37.3 -0.1 37.2 9.3 0.54| 3.4 1.9 5000 241 17 187 9| 1.7 1.0 2.7| 52.9 -0.1 52.8 10.6 0.61| 3.2 2.0 6000 245 18 198 9| 1.6 0.8 2.5| 61.5 -0.1 61.4 10.2 0.63| 3.0 1.9 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250421.23.gif