UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041823.upa.cvt Date: 2300Z 18 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 18 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 1006 15 9.4 8.6 95 0.8 9.0 115 5 282.1 283.3 281.8 301.2 6.98 1 1000 64 9.0 8.5 97 0.5 8.8 85 7 282.1 283.3 281.9 301.3 6.97 2 982 214 8.0 8.0 100 0.0 8.0 92 10 282.6 283.8 282.0 301.5 6.86 3 925 706 5.2 5.2 100 0.0 5.2 115 22 284.6 285.7 281.9 301.4 6.00 4 905 884 4.2 4.2 100 0.0 4.2 116 19 285.4 286.4 281.9 301.4 5.71 5 850 1393 2.0 1.9 99 0.1 2.0 120 12 288.2 289.1 282.5 302.9 5.16 6 832 1566 1.0 0.9 99 0.1 1.0 123 12 289.0 289.8 282.6 303.0 4.91 7 829 1595 1.2 0.9 98 0.3 1.1 123 12 289.5 290.3 282.8 303.6 4.93 8 786 2022 -0.5 -1.4 94 0.9 -0.9 130 12 292.1 292.9 283.4 304.9 4.39 9 773 2156 -1.3 -1.6 98 0.3 -1.4 132 12 292.6 293.4 283.6 305.5 4.40 10 764 2249 -1.7 -2.7 93 1.0 -2.1 134 11 293.2 293.9 283.5 305.2 4.10 11 762 2270 -1.9 -2.8 94 0.9 -2.3 134 11 293.2 293.9 283.5 305.1 4.08 12 751 2386 -2.7 -3.3 96 0.6 -3.0 136 11 293.5 294.2 283.5 305.3 3.99 13 740 2503 -3.7 -5.6 87 1.9 -4.5 138 11 293.7 294.3 282.9 303.8 3.40 14 715 2774 -5.3 -6.4 92 1.1 -5.7 142 11 294.8 295.4 283.2 304.7 3.31 15 700 2940 -6.1 -7.7 88 1.6 -6.7 145 11 295.7 296.3 283.4 304.9 3.06 16 693 3019 -6.5 -8.2 88 1.7 -7.1 146 11 296.1 296.7 283.4 305.1 2.97 17 681 3155 -7.5 -9.0 89 1.5 -8.1 147 12 296.5 297.0 283.4 305.1 2.84 18 673 3246 -7.9 -8.5 95 0.6 -8.1 149 12 297.1 297.6 283.8 306.1 2.99 19 671 3270 -8.3 -10.1 87 1.8 -8.9 149 12 296.9 297.3 283.4 304.9 2.64 20 666 3327 -8.5 -10.9 83 2.4 -9.4 149 12 297.3 297.7 283.4 304.9 2.50 21 658 3421 -9.7 -15.7 62 6.0 -11.5 151 13 297.0 297.3 282.3 302.2 1.71 22 657 3433 -9.7 -15.7 62 6.0 -11.5 151 13 297.1 297.4 282.3 302.4 1.71 23 648 3539 -10.3 -17.3 56 7.0 -12.3 152 13 297.6 297.9 282.3 302.3 1.52 24 646 3563 -10.1 -15.1 67 5.0 -11.6 152 13 298.1 298.4 282.9 303.7 1.83 25 638 3659 -10.7 -14.6 73 3.9 -11.9 153 13 298.4 298.8 283.2 304.4 1.93 26 636 3683 -10.9 -14.8 73 3.9 -12.1 154 14 298.5 298.8 283.1 304.4 1.90 27 631 3743 -11.1 -13.5 82 2.4 -11.9 154 14 298.9 299.3 283.6 305.5 2.14 28 623 3841 -11.7 -13.5 86 1.8 -12.3 155 14 299.3 299.7 283.8 306.0 2.16 29 620 3878 -11.9 -15.4 75 3.5 -12.9 156 14 299.5 299.9 283.5 305.3 1.86 30 607 4040 -12.7 -15.3 81 2.6 -13.5 158 15 300.4 300.8 284.0 306.4 1.92 31 605 4065 -12.9 -14.9 85 2.0 -13.5 158 15 300.5 300.8 284.1 306.7 1.99 32 600 4128 -13.5 -18.5 66 5.0 -14.9 159 15 300.5 300.8 283.5 305.2 1.48 33 586 4307 -14.9 -20.9 60 6.0 -16.4 161 16 300.9 301.1 283.3 304.8 1.23 34 585 4320 -14.9 -21.9 55 7.0 -16.6 161 16 301.0 301.3 283.2 304.7 1.13 35 583 4346 -15.1 -29.1 29 14.0 -17.7 161 16 301.1 301.2 282.6 303.1 0.59 36 580 4385 -15.1 -23.1 50 8.0 -16.9 162 16 301.6 301.7 283.4 304.9 1.03 37 579 4398 -15.1 -17.7 80 2.6 -15.8 162 16 301.7 302.0 284.1 306.9 1.64 38 578 4411 -15.1 -17.1 85 2.0 -15.7 162 16 301.9 302.2 284.3 307.3 1.73 39 573 4476 -15.5 -16.8 90 1.3 -15.9 163 16 302.1 302.5 284.5 307.8 1.79 40 571 4503 -15.7 -17.8 84 2.1 -16.3 163 16 302.2 302.5 284.4 307.4 1.65 41 570 4516 -15.9 -20.9 65 5.0 -17.1 163 16 302.1 302.4 283.8 306.2 1.27 42 569 4529 -16.1 -29.1 32 13.0 -18.6 163 17 302.0 302.1 283.0 304.0 0.61 43 568 4542 -16.3 -30.3 29 14.0 -18.8 164 17 302.0 302.1 282.9 303.8 0.54 44 564 4596 -16.5 -26.5 42 10.0 -18.6 164 17 302.3 302.5 283.4 304.9 0.78 45 562 4622 -16.7 -26.7 42 10.0 -18.7 165 17 302.4 302.5 283.4 304.9 0.77 46 560 4649 -16.9 -25.9 46 9.0 -18.7 165 17 302.5 302.6 283.5 305.2 0.83 47 558 4676 -16.9 -23.9 55 7.0 -18.4 165 17 302.8 303.0 283.8 306.0 0.99 48 556 4703 -16.9 -20.9 71 4.0 -17.9 166 17 303.1 303.3 284.3 307.3 1.30 49 555 4716 -17.1 -20.7 74 3.6 -18.0 166 17 303.0 303.3 284.3 307.3 1.32 50 550 4784 -17.5 -22.5 65 5.0 -18.7 167 17 303.3 303.5 284.2 307.0 1.14 51 549 4798 -17.7 -24.7 54 7.0 -19.2 167 17 303.2 303.4 283.9 306.3 0.94 52 500 5490 -22.7 -28.7 58 6.0 -23.7 175 20 305.4 305.5 284.5 307.8 0.72 53 400 7090 -35.5 -39.9 64 4.4 -35.9 195 38 308.9 308.9 285.3 309.9 0.30 54 300 9020 -51.9 -56.3 59 4.4 -52.0 210 55 312.2 312.2 286.2 312.4 0.06 55 278 9509 -55.3 -58.2 70 2.9 -55.4 215 43 314.2 314.2 286.9 314.4 0.05 56 250 10190 -52.1 -71.1 8 19.0 -52.4 210 16 328.6 328.6 291.3 328.7 0.01 57 200 11650 -49.5 -79.5 2 30.0 -50.0 210 16 354.4 354.4 297.5 354.4 0.00 58 150 13540 -48.5 -82.5 1 34.0 -49.3 190 16 386.5 386.5 303.3 386.5 0.00 59 100 16180 -52.1 -85.1 1 33.0 -52.8 205 7 427.1 427.1 308.5 427.1 0.00 60 99 16245 -51.7 -85.7 1 34.0 -52.5 205 7 429.1 429.1 308.7 429.1 0.00 61 86 17158 -53.1 -86.1 1 33.0 -53.9 209 7 443.9 443.9 310.3 443.9 0.00 62 70 18490 -52.1 -86.1 1 34.0 -53.1 215 8 472.9 472.9 312.9 472.9 0.00 63 69 18583 -51.9 -85.9 1 34.0 -52.9 214 8 475.3 475.3 313.1 475.3 0.00 64 66 18869 -53.9 -86.9 1 33.0 -54.8 210 8 477.0 477.0 313.2 477.1 0.00 65 57 19816 -51.1 -87.1 1 36.0 -52.5 197 7 503.8 503.8 315.2 503.8 0.00 66 51 20533 -54.3 -87.3 1 33.0 -55.4 187 7 512.6 512.6 315.8 512.6 0.00 67 50 20660 -52.9 -87.9 1 35.0 -54.2 185 7 518.8 518.8 316.2 518.8 0.00 68 44 21488 -51.3 -87.3 1 36.0 -53.0 165 9 542.0 542.0 317.6 542.1 0.00 69 40 22103 -53.7 -87.7 1 34.0 -55.1 150 10 551.0 551.0 318.2 551.0 0.00 70 36 22781 -53.3 -88.3 1 35.0 -54.9 134 12 568.9 568.9 319.1 568.9 0.00 71 34 23151 -51.5 -88.5 0 37.0 -53.5 125 13 583.0 583.0 319.8 583.0 0.00 72 30 23960 -53.3 -88.3 1 35.0 -55.2 105 15 599.3 599.3 320.6 599.4 0.01 73 29 24177 -53.5 -88.5 1 35.0 -55.4 103 15 604.6 604.6 320.8 604.7 0.01 74 24 25396 -51.9 -88.9 0 37.0 -54.5 94 14 642.9 642.9 322.4 642.9 0.01 75 21 26256 -53.3 -89.3 0 36.0 -55.8 87 14 663.7 663.7 323.2 663.7 0.01 76 20 26570 -52.7 -88.7 1 36.0 -55.5 85 14 674.9 674.9 323.6 674.9 0.01 77 18 27253 -51.1 -88.1 0 37.0 -54.5 700.6 700.6 324.4 700.6 0.01 78 17 27624 -52.1 -89.1 0 37.0 -55.4 708.9 708.9 324.7 709.0 0.01 79 15 28439 -49.5 -87.5 0 38.0 -53.9 743.4 743.4 325.7 743.5 0.01 80 14 28889 -51.3 -88.3 0 37.0 -55.3 752.1 752.1 326.0 752.2 0.01 81 11 30460 -50.3 -88.3 0 38.0 -55.4 809.4 809.4 327.5 809.5 0.01 TRP 278 9509 -55.3 -58.2 70 2.9 -55.4 215 43 314.2 314.2 286.9 314.4 0.05 WND Sounding variables and indices 1000-500 mb thick: 5426.00 m Freezing level: 798.65 mb = 1896.61 m = 6222.39 ft Wetbulb zero: 805.81 mb = 1822.54 m = 5979.39 ft Precipitable water: 0.79 inches Sfc-500 mean rel hum: 82.58 % Est. max temperature: 15.26 C = 59.47 F Sfc-Lift cond lev (LCL): 993.94 mb = 114.35 m = 375.16 ft T: 8.67 C 700-500 lapse rate: 6.51 C/km ThetaE index: 1.51 C Layer 740.0- 715.0 mb Conv cond level (CCL): 953.95 mb = 452.67 m = 1485.13 ft Mean mixing ratio: 6.43 g/kg Conv temperature: 10.92 C = 51.66 F Cap Strength: 4.75 C Lifted Index: 5.29 C Risk: None Lifted Index @300 mb: 7.73 C Lifted Index @700 mb: 2.52 C Showalter Index: 4.23 C Risk: None Total Totals Index: 49.30 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 24.70 C Cross Totals Index: 24.60 C K Index: 25.00 Risk: 40-60 % chance of thunderstorms Sweat Index: 72.80 Risk: None Energy Index: 0.96 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 13.03 J/kg Max Up Vert Vel: 5.11 m/s Conv Inhibition (B-): 0.00 J/kg Cap Strength: 5.24 C Lift Cond Lev (LCL): 953.93 mb = 452.82 m = 1485.62 ft Lev Free Conv (LFC): 948.93 mb = 496.03 m = 1627.38 ft Equ Level (EL): 908.93 mb = 849.03 m = 2785.50 ft B at Equ Level: 12.97 J/kg Max Parcel Lev (MPL): 828.93 mb = 1595.40 m = 5234.19 ft Wind level data Storm motion: 179 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 1006 15 115 5 -4.5 2.1 | 25 10 -4.3 -9.2 1 1000 64 85 7 -7.0 -0.6 | 29 14 -6.7 -12.0 2 925 706 115 22 -19.9 9.3 | 84 20 -19.7 -2.1 3 850 1393 120 12 -10.4 6.0 | 62 11 -10.1 -5.3 4 700 2940 145 11 -6.3 9.0 | 69 7 -6.1 -2.3 5 500 5490 175 20 -1.7 19.9 | 170 9 -1.5 8.6 6 400 7090 195 38 9.8 36.7 | 202 27 10.1 25.4 7 300 9020 210 55 27.5 47.6 | 217 46 27.7 36.3 8 278 9509 215 43 24.7 35.2 | 226 35 24.9 23.9 9 250 10190 210 16 8.0 13.9 | 253 9 8.2 2.5 10 200 11650 210 16 8.0 13.9 | 253 9 8.2 2.5 11 150 13540 190 16 2.8 15.8 | 214 5 3.0 4.4 12 100 16180 205 7 3.0 6.3 | 327 6 3.2 -5.0 13 70 18490 215 8 4.6 6.6 | 315 7 4.8 -4.8 14 50 20660 185 7 0.6 7.0 | 349 4 0.9 -4.4 15 30 23960 105 15 -14.5 3.9 | 62 16 -14.2 -7.5 16 20 26570 85 14 -13.9 -1.2 | 47 19 -13.7 -12.6 Wind Parameters Mean winds (0-6000m): 148.8 at 15.1 knts Storm direction: 178.8 at 11.4 knts Shear (0-3000m) pos: 2.0 neg: 2.2 tot: 4.1 10-3/s Storm rel Dir Shear (0-3000m): 46.7 deg Storm rel helicity (0-3000m) pos: 74.6 neg: -21.3 tot: 53.3 m^2/s^2 ave: 17.8 10^-3 m/s^2 rel: 0.35 Storm rel vorticity (0-3000m) horiz: 6.1 stream: 2.1 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.74 Bulk Shear: 17.54 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 ------------------------------------------------------------------------------- 500 100 12 50 15| 0.0 13.0 13.0| 46.5 0.0 46.5 93.0 0.79| 15.1 11.9 1000 111 16 68 16| 1.8 6.5 8.2| 71.3 -8.8 62.6 62.6 0.60| 12.6 7.5 1500 113 15 69 15| 2.4 4.3 6.7| 71.7 -21.3 50.4 33.6 0.37| 10.4 3.9 2000 116 14 68 14| 2.2 3.2 5.4| 73.1 -21.3 51.8 25.9 0.37| 8.3 3.0 2500 119 14 68 13| 2.1 2.6 4.6| 73.8 -21.3 52.6 21.0 0.36| 6.9 2.5 3000 122 13 69 12| 2.0 2.2 4.1| 74.6 -21.3 53.3 17.8 0.35| 6.1 2.1 4000 129 13 73 10| 1.8 1.6 3.5| 81.5 -21.3 60.2 15.1 0.42| 5.1 2.2 5000 139 14 84 9| 1.9 1.3 3.2| 89.4 -21.3 68.1 13.6 0.48| 4.6 2.2 6000 149 15 102 8| 2.3 1.1 3.4|102.2 -21.3 80.9 13.5 0.49| 4.6 2.3 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250418.23.gif