UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042511.upa.cvt Date: 1100Z 25 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:1100Z 25 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 1017 21 11.8 7.7 76 4.1 9.6 180 12 283.6 284.7 282.0 301.6 6.49 1 1007 103 10.8 6.4 74 4.4 8.5 162 19 283.4 284.4 281.3 300.0 5.99 2 1000 161 10.2 6.6 78 3.6 8.3 150 24 283.4 284.4 281.4 300.3 6.11 3 944 637 6.0 5.4 96 0.6 5.7 157 31 283.8 284.8 281.5 300.4 5.96 4 942 655 6.0 5.1 94 0.9 5.5 158 31 284.0 285.0 281.4 300.2 5.85 5 925 804 5.6 4.5 93 1.1 5.1 160 33 285.0 286.0 281.8 301.0 5.71 6 922 831 5.4 4.5 94 0.9 4.9 161 33 285.1 286.1 281.8 301.1 5.73 7 911 929 5.2 2.8 84 2.4 4.0 163 33 285.9 286.8 281.5 300.4 5.14 8 893 1091 4.8 4.3 97 0.5 4.5 166 33 287.1 288.1 282.8 303.6 5.83 9 889 1128 4.6 3.9 95 0.7 4.2 167 33 287.3 288.3 282.7 303.4 5.70 10 873 1276 3.6 3.6 100 0.0 3.6 170 32 287.7 288.7 282.9 303.8 5.68 11 850 1492 2.4 2.4 100 0.0 2.4 175 32 288.7 289.6 283.0 303.9 5.35 12 742 2581 -3.5 -3.9 97 0.4 -3.7 175 24 293.7 294.4 283.4 305.0 3.86 13 731 2699 -3.9 -4.7 94 0.8 -4.3 175 23 294.5 295.2 283.5 305.4 3.69 14 729 2720 -3.9 -5.3 90 1.4 -4.5 175 23 294.7 295.4 283.5 305.2 3.53 15 719 2830 -4.3 -5.1 94 0.8 -4.6 175 22 295.5 296.1 283.9 306.3 3.64 16 713 2896 -4.3 -5.7 90 1.4 -4.9 175 21 296.2 296.8 284.0 306.6 3.50 17 706 2974 -4.5 -5.5 93 1.0 -4.9 175 21 296.8 297.4 284.4 307.5 3.59 18 700 3041 -5.1 -6.6 89 1.5 -5.7 175 20 296.8 297.4 284.1 306.8 3.33 19 693 3120 -5.7 -7.7 86 2.0 -6.5 175 20 297.0 297.6 283.9 306.3 3.09 20 666 3431 -7.3 -7.3 100 0.0 -7.3 174 21 298.6 299.2 284.8 308.7 3.32 21 652 3596 -8.9 -9.7 94 0.8 -9.2 174 22 298.6 299.1 284.2 307.2 2.81 22 650 3620 -8.9 -11.9 79 3.0 -9.9 174 22 298.9 299.3 283.8 306.2 2.36 23 627 3899 -10.5 -10.6 99 0.1 -10.5 173 23 300.2 300.7 284.8 308.5 2.72 24 613 4072 -11.5 -11.8 98 0.3 -11.6 173 23 301.0 301.4 284.8 308.8 2.52 25 612 4085 -11.1 -11.7 95 0.6 -11.3 173 23 301.6 302.0 285.1 309.5 2.55 26 611 4097 -11.7 -12.0 98 0.3 -11.8 173 23 301.0 301.5 284.8 308.7 2.49 27 610 4110 -11.7 -11.8 99 0.1 -11.8 173 23 301.2 301.6 284.9 309.0 2.54 28 593 4326 -13.1 -13.3 98 0.2 -13.2 173 24 302.0 302.4 285.0 309.2 2.31 29 590 4365 -13.3 -15.0 87 1.7 -13.8 172 24 302.2 302.5 284.8 308.5 2.02 30 588 4391 -13.3 -15.3 85 2.0 -13.9 172 24 302.5 302.8 284.8 308.7 1.98 31 583 4456 -13.7 -15.5 86 1.8 -14.2 172 24 302.7 303.1 284.9 308.9 1.96 32 581 4482 -13.9 -17.1 77 3.2 -14.8 172 24 302.8 303.1 284.7 308.3 1.72 33 577 4534 -14.1 -18.2 71 4.1 -15.2 172 25 303.2 303.5 284.7 308.2 1.58 34 575 4561 -13.9 -16.9 78 3.0 -14.7 172 25 303.7 304.0 285.1 309.3 1.77 35 572 4601 -13.9 -18.4 69 4.5 -15.2 172 25 304.2 304.5 285.0 309.2 1.57 36 570 4627 -13.9 -18.5 68 4.6 -15.2 172 25 304.5 304.8 285.1 309.5 1.56 37 569 4641 -14.1 -18.5 69 4.4 -15.3 172 25 304.4 304.7 285.1 309.4 1.56 38 564 4708 -14.5 -19.5 66 5.0 -15.8 172 25 304.7 305.0 285.1 309.3 1.45 39 559 4775 -15.5 -29.5 29 14.0 -18.2 172 25 304.3 304.4 283.9 306.3 0.59 40 554 4843 -15.7 -31.7 24 16.0 -18.6 172 26 304.8 304.9 284.0 306.5 0.49 41 553 4857 -15.9 -31.9 24 16.0 -18.7 171 26 304.7 304.8 284.0 306.4 0.48 42 552 4870 -15.5 -22.5 55 7.0 -17.2 171 26 305.4 305.6 284.9 309.1 1.14 43 550 4898 -15.5 -23.5 50 8.0 -17.4 171 26 305.7 305.9 285.0 309.1 1.04 44 540 5036 -16.7 -21.7 65 5.0 -17.9 171 26 305.9 306.1 285.3 309.9 1.25 45 538 5064 -16.9 -22.9 60 6.0 -18.3 171 26 306.0 306.2 285.2 309.6 1.13 46 522 5290 -18.7 -23.1 68 4.4 -19.7 171 27 306.4 306.7 285.4 310.2 1.14 47 517 5362 -19.5 -22.5 77 3.0 -20.2 170 27 306.3 306.5 285.4 310.3 1.21 48 505 5536 -20.5 -23.9 74 3.4 -21.2 170 28 307.2 307.4 285.6 310.8 1.10 49 502 5580 -20.9 -25.2 68 4.3 -21.8 170 28 307.2 307.4 285.5 310.5 0.98 50 500 5610 -21.1 -25.0 71 3.9 -21.9 170 28 307.3 307.5 285.5 310.6 1.00 51 499 5625 -21.1 -25.4 68 4.3 -22.0 170 28 307.5 307.7 285.6 310.7 0.97 52 400 7210 -34.3 -40.3 55 6.0 -34.8 175 31 310.4 310.5 285.8 311.4 0.28 53 300 9160 -48.5 -61.5 21 13.0 -48.8 170 47 317.0 317.0 287.8 317.1 0.03 54 250 10340 -55.9 -69.9 16 14.0 -56.1 175 50 323.0 323.0 289.7 323.0 0.01 55 222 11091 -59.1 -68.1 30 9.0 -59.2 180 48 329.2 329.2 291.5 329.3 0.02 56 200 11750 -56.5 -77.5 5 21.0 -56.7 190 26 343.3 343.3 295.1 343.3 0.00 57 150 13580 -55.9 -82.9 2 27.0 -56.2 220 26 373.8 373.8 301.2 373.8 0.00 58 100 16180 -54.5 -85.5 1 31.0 -55.1 295 9 422.4 422.4 308.0 422.4 0.00 59 89 16924 -55.5 -86.5 1 31.0 -56.1 284 8 434.7 434.7 309.3 434.8 0.00 60 77 17850 -53.7 -86.7 1 33.0 -54.5 269 8 456.9 456.9 311.5 456.9 0.00 61 70 18460 -55.1 -87.1 1 32.0 -55.8 260 7 466.5 466.5 312.3 466.5 0.00 62 68 18645 -55.7 -87.7 1 32.0 -56.4 249 7 469.1 469.1 312.5 469.1 0.00 63 64 19032 -53.9 -86.9 1 33.0 -54.8 225 6 481.3 481.3 313.5 481.3 0.00 64 58 19662 -55.1 -88.1 1 33.0 -56.0 187 6 492.3 492.3 314.4 492.3 0.00 65 54 20119 -54.1 -87.1 1 33.0 -55.2 160 5 504.8 504.8 315.3 504.8 0.00 66 50 20610 -56.1 -88.1 1 32.0 -57.0 130 5 511.3 511.3 315.7 511.3 0.00 67 30 23870 -53.9 -88.9 1 35.0 -55.7 10 5 597.7 597.7 320.5 597.7 0.00 68 25 25034 -56.5 -89.5 1 33.0 -58.1 14 7 622.2 622.2 321.6 622.3 0.01 69 23 25565 -54.7 -89.7 1 35.0 -56.8 17 8 642.5 642.5 322.4 642.6 0.01 70 20 26460 -54.3 -89.3 1 35.0 -56.7 20 10 670.0 670.0 323.4 670.0 0.01 71 17 27502 -54.3 -88.3 1 34.0 -57.0 701.8 701.8 324.5 701.9 0.01 72 15 28307 -52.5 -88.5 1 36.0 -55.9 733.4 733.4 325.4 733.5 0.01 73 14 28753 -53.1 -88.1 1 35.0 -56.5 746.0 746.0 325.8 746.1 0.01 TRP 222 11091 -59.1 -68.1 30 9.0 -59.2 180 48 329.2 329.2 291.5 329.3 0.02 WND Sounding variables and indices 1000-500 mb thick: 5449.00 m Freezing level: 806.07 mb = 1934.80 m = 6347.69 ft Wetbulb zero: 807.07 mb = 1907.13 m = 6256.93 ft Precipitable water: 0.85 inches Sfc-500 mean rel hum: 87.15 % Est. max temperature: 16.20 C = 61.16 F Sfc-Lift cond lev (LCL): 955.89 mb = 533.91 m = 1751.65 ft T: 6.91 C 700-500 lapse rate: 6.23 C/km ThetaE index: 1.55 C Layer 1007.0-1000.0 mb Conv cond level (CCL): 888.25 mb = 1134.88 m = 3723.33 ft Mean mixing ratio: 5.98 g/kg Conv temperature: 15.52 C = 59.93 F Cap Strength: 7.55 C Lifted Index: 7.53 C Risk: None Lifted Index @300 mb: 11.83 C Lifted Index @700 mb: 4.08 C Showalter Index: 5.19 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.50 C Cross Totals Index: 23.50 C K Index: 24.40 Risk: 20-40 % chance of thunderstorms Sweat Index: 120.80 Risk: None Energy Index: 1.36 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 6.73 J/kg Max Up Vert Vel: 3.67 m/s Conv Inhibition (B-): 57905.07 J/kg Cap Strength: 7.53 C Lift Cond Lev (LCL): 934.91 mb = 716.66 m = 2351.21 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 200 at 20 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 1017 21 180 12 0.0 12.0 | 47 9 -6.7 -6.4 1 1000 161 150 24 -12.0 20.8 | 97 19 -18.7 2.4 2 925 804 160 33 -11.3 31.0 | 125 22 -18.0 12.6 3 850 1492 175 32 -2.8 31.9 | 145 17 -9.5 13.5 4 700 3041 175 20 -1.7 19.9 | 100 9 -8.5 1.6 5 500 5610 170 28 -4.9 27.6 | 128 15 -11.6 9.2 6 400 7210 175 31 -2.7 30.9 | 143 16 -9.4 12.5 7 300 9160 170 47 -8.2 46.3 | 152 32 -14.9 27.9 8 250 10340 175 50 -4.4 49.8 | 161 33 -11.1 31.4 9 222 11091 180 48 0.0 48.0 | 167 30 -6.7 29.6 10 200 11750 190 26 4.5 25.6 | 163 8 -2.2 7.2 11 150 13580 220 26 16.7 19.9 | 261 10 10.0 1.5 12 100 16180 295 9 8.2 -3.8 | 356 22 1.4 -22.2 13 70 18460 260 7 6.9 1.2 | 359 17 0.2 -17.2 14 50 20610 130 5 -3.8 3.2 | 35 18 -10.5 -15.2 15 30 23870 10 5 -0.9 -4.9 | 18 24 -7.6 -23.3 16 20 26460 20 10 -3.4 -9.4 | 20 30 -10.1 -27.8 Wind Parameters Mean winds (0-6000m): 170.1 at 26.1 knts Storm direction: 200.1 at 19.6 knts Shear (0-3000m) pos: 1.8 neg: 1.9 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 54.9 deg Storm rel helicity (0-3000m) pos: 114.8 neg: -25.5 tot: 89.3 m^2/s^2 ave: 29.8 10^-3 m/s^2 rel: 0.41 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 3.2 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.01 Bulk Shear: 6.66 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 ------------------------------------------------------------------------------- 500 154 24 101 17| 0.0 19.3 19.3| 57.8 0.0 57.8 115.6 0.78| 21.4 16.6 1000 158 28 114 19| 3.1 9.7 12.8| 93.4 0.0 93.4 93.4 0.80| 14.4 11.6 1500 162 29 122 18| 3.6 6.4 10.1|114.8 0.0 114.8 76.5 0.79| 11.6 9.2 2000 165 30 126 17| 2.7 4.0 6.8|114.8 -8.5 106.3 53.2 0.65| 9.7 6.4 2500 167 29 127 16| 2.2 2.7 4.9|114.8 -17.0 97.8 39.1 0.53| 8.6 4.5 3000 168 28 125 15| 1.8 1.9 3.8|114.8 -25.5 89.3 29.8 0.41| 7.8 3.2 4000 170 26 123 14| 1.4 1.7 3.1|120.7 -25.5 95.1 23.8 0.43| 6.2 2.7 5000 170 26 122 13| 1.1 1.6 2.7|126.6 -25.5 101.1 20.2 0.44| 5.3 2.3 6000 170 26 123 13| 1.0 1.5 2.5|133.7 -25.5 108.2 18.0 0.45| 4.7 2.1 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250425.11.gif