UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041623.upa.cvt Date: 2300Z 16 APR 25 Searching for EG918... Searching the city database file for: EG918 ... Date:2300Z 16 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 1004 21 6.0 4.6 91 1.4 5.3 270 3 278.8 279.7 278.3 293.3 5.29 1 1001 46 5.8 3.7 86 2.1 4.8 266 8 278.9 279.7 277.9 292.5 4.98 2 1000 54 5.6 3.6 87 2.0 4.6 265 10 278.8 279.6 277.8 292.3 4.95 3 950 472 2.2 2.0 99 0.2 2.1 295 15 279.4 280.2 277.7 292.2 4.65 4 925 687 1.2 0.8 97 0.4 1.0 310 17 280.5 281.3 278.0 292.7 4.38 5 888 1015 -0.3 -1.0 95 0.7 -0.6 303 16 282.3 283.0 278.4 293.5 4.00 6 869 1187 -1.7 -1.8 99 0.1 -1.7 299 16 282.6 283.2 278.3 293.4 3.85 7 850 1363 -2.7 -3.0 98 0.3 -2.9 295 15 283.3 283.9 278.4 293.5 3.60 8 783 2009 -6.7 -7.7 93 1.0 -7.1 270 14 285.8 286.2 278.4 293.7 2.73 9 756 2283 -8.7 -9.1 97 0.4 -8.8 259 14 286.5 286.9 278.6 293.9 2.54 10 751 2334 -7.9 -10.4 82 2.5 -8.7 257 14 287.9 288.3 278.9 294.7 2.30 11 746 2386 -8.1 -11.4 77 3.3 -9.2 255 14 288.2 288.6 278.9 294.6 2.14 12 737 2480 -8.5 -11.1 81 2.6 -9.4 251 14 288.8 289.2 279.3 295.4 2.22 13 713 2737 -9.3 -12.9 75 3.6 -10.4 241 13 290.7 291.0 279.8 296.6 1.98 14 704 2835 -10.1 -13.4 77 3.3 -11.1 237 13 290.8 291.2 279.8 296.6 1.93 15 700 2879 -9.9 -13.9 73 4.0 -11.1 235 13 291.5 291.9 280.1 297.1 1.86 16 658 3353 -13.3 -17.1 73 3.8 -14.3 229 14 292.9 293.2 280.3 297.5 1.52 17 640 3563 -14.9 -17.4 81 2.5 -15.6 226 15 293.4 293.7 280.5 298.1 1.52 18 627 3718 -16.1 -17.0 93 0.9 -16.3 224 15 293.8 294.1 280.8 298.7 1.61 19 616 3851 -16.9 -19.1 83 2.2 -17.4 222 15 294.3 294.6 280.7 298.6 1.37 20 596 4098 -19.1 -19.9 93 0.8 -19.3 218 16 294.6 294.8 280.7 298.7 1.32 21 593 4135 -19.3 -20.5 90 1.2 -19.6 218 16 294.8 295.0 280.8 298.7 1.26 22 591 4160 -19.3 -22.1 78 2.8 -19.9 217 16 295.1 295.3 280.7 298.5 1.10 23 590 4173 -19.3 -22.3 77 3.0 -19.9 217 16 295.2 295.4 280.7 298.6 1.08 24 576 4351 -20.7 -23.4 79 2.7 -21.2 215 16 295.6 295.8 280.8 298.8 1.01 25 553 4651 -23.3 -24.7 88 1.4 -23.5 210 17 296.0 296.1 280.8 298.9 0.93 26 545 4757 -24.3 -25.8 87 1.5 -24.5 209 17 296.0 296.2 280.8 298.8 0.86 27 536 4878 -25.3 -25.8 96 0.5 -25.4 207 18 296.2 296.4 280.9 299.0 0.87 28 535 4892 -25.5 -26.1 95 0.6 -25.6 207 18 296.2 296.3 280.8 298.9 0.85 29 523 5056 -25.9 -28.1 82 2.2 -26.2 205 18 297.6 297.7 281.3 300.0 0.72 30 522 5070 -26.1 -28.0 84 1.9 -26.4 204 18 297.5 297.7 281.3 299.9 0.73 31 511 5224 -27.5 -28.4 92 0.9 -27.6 202 19 297.7 297.8 281.3 300.0 0.72 32 502 5351 -27.9 -30.2 81 2.3 -28.2 200 19 298.7 298.8 281.6 300.7 0.62 33 500 5380 -28.1 -30.3 81 2.2 -28.4 200 19 298.8 298.9 281.7 300.8 0.62 34 495 5452 -28.9 -31.3 80 2.4 -29.2 199 19 298.7 298.8 281.5 300.5 0.57 35 487 5568 -29.9 -32.2 80 2.3 -30.2 198 19 298.8 298.9 281.5 300.6 0.53 36 477 5716 -30.5 -32.1 86 1.6 -30.7 197 19 299.9 300.0 282.0 301.7 0.54 37 474 5761 -30.7 -33.3 78 2.6 -31.0 196 19 300.2 300.2 282.1 301.8 0.49 38 471 5806 -31.1 -33.7 78 2.6 -31.4 196 19 300.2 300.3 282.1 301.8 0.47 39 470 5821 -31.3 -33.8 79 2.5 -31.6 196 19 300.1 300.2 282.1 301.7 0.47 40 467 5866 -31.7 -35.3 70 3.6 -32.1 195 19 300.2 300.3 282.0 301.6 0.41 41 462 5942 -32.3 -35.0 77 2.7 -32.6 195 19 300.4 300.4 282.1 301.8 0.42 42 458 6003 -32.7 -37.0 65 4.3 -33.1 194 19 300.6 300.7 282.1 301.8 0.35 43 451 6112 -33.7 -37.6 68 3.9 -34.1 193 19 300.7 300.8 282.1 301.8 0.33 44 449 6143 -33.9 -38.9 61 5.0 -34.3 193 19 300.8 300.9 282.1 301.8 0.29 45 446 6190 -34.5 -38.9 64 4.4 -34.9 192 20 300.6 300.7 282.0 301.7 0.30 46 440 6284 -35.1 -40.1 60 5.0 -35.5 191 20 301.1 301.1 282.1 302.0 0.26 47 438 6316 -35.5 -39.6 66 4.1 -35.8 191 20 300.9 301.0 282.1 301.9 0.28 48 437 6332 -35.7 -40.3 63 4.6 -36.1 191 20 300.9 300.9 282.1 301.8 0.26 49 417 6656 -38.5 -42.4 67 3.9 -38.8 188 20 301.3 301.4 282.2 302.1 0.22 50 413 6722 -39.1 -44.0 60 4.9 -39.4 187 20 301.4 301.4 282.2 302.1 0.19 51 407 6822 -39.9 -43.4 69 3.5 -40.1 186 20 301.6 301.7 282.3 302.3 0.20 52 402 6906 -40.7 -44.9 64 4.2 -40.9 185 20 301.7 301.7 282.3 302.3 0.17 53 400 6940 -41.1 -44.4 70 3.3 -41.3 185 20 301.6 301.6 282.3 302.2 0.18 54 399 6957 -41.1 -44.2 72 3.1 -41.3 185 20 301.8 301.8 282.4 302.5 0.19 55 343 7965 -49.1 -58.1 34 9.0 -49.3 200 23 304.3 304.3 283.2 304.4 0.04 56 300 8850 -44.9 -74.9 2 30.0 -45.4 250 22 322.1 322.1 289.4 322.1 0.00 57 250 10080 -43.9 -78.9 1 35.0 -44.6 265 23 340.8 340.8 294.5 340.8 0.00 58 200 11570 -45.1 -82.1 1 37.0 -45.9 235 18 361.4 361.4 299.0 361.4 0.00 59 150 13490 -45.9 -84.9 0 39.0 -46.9 230 10 391.0 391.0 303.9 391.0 0.00 60 100 16150 -51.1 -87.1 1 36.0 -52.0 200 15 429.0 429.0 308.7 429.0 0.00 61 89 16908 -50.7 -87.7 0 37.0 -51.7 208 14 444.3 444.3 310.3 444.3 0.00 62 74 18110 -50.9 -88.9 0 38.0 -52.0 221 13 468.0 468.0 312.5 468.0 0.00 63 70 18470 -52.5 -89.5 0 37.0 -53.5 225 13 472.1 472.1 312.8 472.1 0.00 64 65 18950 -50.9 -88.9 0 38.0 -52.1 202 12 485.7 485.7 313.9 485.7 0.00 65 57 19804 -50.9 -88.9 0 38.0 -52.3 161 9 504.3 504.3 315.2 504.3 0.00 66 52 20397 -53.5 -89.5 0 36.0 -54.6 132 8 511.6 511.6 315.8 511.6 0.00 67 50 20650 -52.7 -89.7 0 37.0 -54.0 120 7 519.3 519.3 316.2 519.3 0.00 68 43 21626 -51.9 -88.9 0 37.0 -53.5 114 9 544.1 544.1 317.8 544.2 0.00 69 39 22257 -53.3 -90.3 0 37.0 -54.8 110 11 556.0 556.0 318.4 556.0 0.00 70 33 23335 -52.5 -89.5 0 37.0 -54.4 104 14 585.3 585.3 319.9 585.4 0.00 71 30 23950 -53.3 -90.3 0 37.0 -55.2 100 15 599.3 599.3 320.6 599.4 0.00 72 26 24876 -51.1 -89.1 0 38.0 -53.7 630.6 630.6 321.9 630.7 0.01 73 22 25964 -50.7 -88.7 0 38.0 -53.8 662.7 662.7 323.2 662.7 0.01 TRP 343 7965 -49.1 -58.1 34 9.0 -49.3 200 23 304.3 304.3 283.2 304.4 0.04 WND Sounding variables and indices 1000-500 mb thick: 5326.00 m Freezing level: 895.40 mb = 949.11 m = 3113.84 ft Wetbulb zero: 902.09 mb = 888.29 m = 2914.30 ft Precipitable water: 0.55 inches Sfc-500 mean rel hum: 87.57 % Est. max temperature: 10.33 C = 50.60 F Sfc-Lift cond lev (LCL): 982.61 mb = 196.86 m = 645.86 ft T: 4.44 C 700-500 lapse rate: 7.28 C/km ThetaE index: 1.08 C Layer 1001.0- 925.0 mb Conv cond level (CCL): 938.28 mb = 571.86 m = 1876.17 ft Mean mixing ratio: 4.62 g/kg Conv temperature: 7.11 C = 44.80 F Cap Strength: 6.24 C Lifted Index: 6.27 C Risk: None Lifted Index @300 mb: 21.03 C Lifted Index @700 mb: 4.08 C Showalter Index: 5.51 C Risk: None Total Totals Index: 50.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.40 C Cross Totals Index: 25.10 C K Index: 18.40 Risk: < 20 % chance of thunderstorms Sweat Index: 79.00 Risk: None Energy Index: 1.48 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.78 J/kg Max Up Vert Vel: 4.64 m/s Conv Inhibition (B-): 45643.29 J/kg Cap Strength: 6.25 C Lift Cond Lev (LCL): 941.22 mb = 546.64 m = 1793.41 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 268 at 12 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 1004 21 270 3 3.0 -0.0 | 88 9 -8.7 -0.4 1 1000 54 265 10 10.0 0.9 | 106 2 -1.7 0.5 2 925 687 310 17 13.0 -10.9 | 353 11 1.4 -11.3 3 850 1363 295 15 13.6 -6.3 | 344 7 1.9 -6.7 4 700 2879 235 13 10.6 7.5 | 172 7 -1.0 7.1 5 500 5380 200 19 6.5 17.9 | 164 18 -5.2 17.5 6 400 6940 185 20 1.7 19.9 | 153 22 -9.9 19.5 7 343 7965 200 23 7.9 21.6 | 170 22 -3.8 21.2 8 300 8850 250 22 20.7 7.5 | 232 12 9.0 7.1 9 250 10080 265 23 22.9 2.0 | 262 11 11.3 1.6 10 200 11570 235 18 14.7 10.3 | 197 10 3.1 9.9 11 150 13490 230 10 7.7 6.4 | 147 7 -4.0 6.1 12 100 16150 200 15 5.1 14.1 | 155 15 -6.5 13.7 13 70 18470 225 13 9.2 9.2 | 164 9 -2.5 8.8 14 50 20650 120 7 -6.1 3.5 | 100 18 -17.7 3.1 15 30 23950 100 15 -14.8 2.6 | 95 27 -26.4 2.2 Wind Parameters Mean winds (0-6000m): 238.2 at 15.6 knts Storm direction: 268.2 at 11.7 knts Shear (0-3000m) pos: 2.3 neg: 2.9 tot: 5.2 10-3/s Storm rel Dir Shear (0-3000m): 85.0 deg Storm rel helicity (0-3000m) pos: 2.8 neg: -16.3 tot: -13.6 m^2/s^2 ave: -4.5 10^-3 m/s^2 rel: -0.38 Storm rel vorticity (0-3000m) horiz: 6.7 stream: -2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.63 Bulk Shear: 17.00 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 ------------------------------------------------------------------------------- 500 284 12 358 3| 13.0 0.0 13.0| 0.5 -1.5 -1.0 -2.1 -0.23| 16.3 -3.7 1000 298 14 353 7| 7.0 0.0 7.0| 2.7 -3.5 -0.8 -0.8 -0.16| 11.0 -1.8 1500 298 15 350 7| 4.7 1.3 6.0| 2.7 -6.4 -3.8 -2.5 -0.20| 8.7 -1.7 2000 293 15 344 6| 3.5 2.3 5.8| 2.7 -10.1 -7.4 -3.7 -0.29| 7.8 -2.3 2500 287 14 336 5| 2.8 2.8 5.6| 2.7 -13.3 -10.7 -4.3 -0.37| 7.3 -2.7 3000 281 14 323 4| 2.3 2.9 5.2| 2.8 -16.3 -13.6 -4.5 -0.38| 6.7 -2.5 4000 266 14 259 3| 1.7 2.7 4.5| 3.0 -17.2 -14.2 -3.6 -0.35| 5.6 -1.9 5000 251 15 209 5| 1.4 2.6 4.0| 3.0 -22.5 -19.6 -3.9 -0.34| 5.0 -1.7 6000 238 16 191 8| 1.2 2.5 3.6| 3.0 -33.3 -30.3 -5.1 -0.36| 4.5 -1.6 Wrote GIF file: /home/apache/climate/data/raob//EG918/skewt/EG918.skewt.20250416.23.gif