UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011800.upa.cvt Date: 0000Z 18 JAN 26 Searching for GC018... Searching the city database file for: GC018 ... Date:0000Z 18 JAN 26 Station: GC018 WMO ident: 60018 Latitude: 28.32 Longitude: -16.38 ------------------------------------------------------------------------------- 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 116 18.6 5.6 42 13.0 11.5 330 3 291.3 292.3 284.4 307.6 5.67 1 1000 167 18.6 5.6 42 13.0 11.5 315 4 291.8 292.8 284.7 308.2 5.70 2 925 829 12.6 4.6 58 8.0 8.3 280 8 292.2 293.2 284.8 308.8 5.75 3 850 1530 6.4 3.3 81 3.1 4.8 315 18 292.9 293.9 285.1 309.4 5.71 4 826 1764 4.0 2.7 91 1.3 3.4 319 20 292.7 293.7 284.9 309.0 5.63 5 812 1905 8.0 0.0 57 8.0 4.0 322 22 298.4 299.3 286.2 312.5 4.71 6 802 2007 8.6 0.6 57 8.0 4.5 324 22 300.1 301.0 287.1 315.0 4.98 7 700 3118 1.0 -4.0 69 5.0 -1.3 345 33 303.6 304.3 287.4 316.0 4.06 8 692 3210 0.4 -3.9 73 4.3 -1.6 344 33 303.9 304.7 287.6 316.6 4.14 9 632 3934 -1.7 -11.7 46 10.0 -5.6 339 35 309.5 310.0 287.9 317.4 2.47 10 617 4125 0.0 -16.0 29 16.0 -5.8 337 36 313.6 313.9 288.6 319.5 1.78 11 608 4242 -0.5 -20.5 20 20.0 -7.0 337 36 314.3 314.6 288.2 318.5 1.23 12 542 5148 -7.5 -21.5 32 14.0 -11.7 330 39 316.5 316.8 289.0 320.8 1.26 13 500 5770 -11.9 -26.9 28 15.0 -15.6 325 41 318.5 318.7 289.2 321.5 0.84 14 492 5893 -12.7 -29.7 23 17.0 -16.5 326 42 319.0 319.2 289.2 321.4 0.66 15 484 6018 -12.5 -33.5 16 21.0 -16.8 327 42 320.8 320.9 289.5 322.5 0.47 16 400 7440 -24.3 -41.3 19 17.0 -26.5 340 49 323.4 323.5 290.1 324.4 0.26 17 345 8496 -33.7 -47.7 23 14.0 -34.8 343 51 324.6 324.7 290.3 325.2 0.15 18 341 8578 -33.9 -51.9 15 18.0 -35.1 343 51 325.4 325.5 290.5 325.8 0.09 19 300 9460 -41.5 -57.5 16 16.0 -42.2 345 52 326.9 326.9 290.9 327.1 0.05 20 254 10567 -51.3 -62.3 26 11.0 -51.5 350 54 328.3 328.3 291.3 328.4 0.03 21 250 10670 -52.1 -63.1 25 11.0 -52.3 350 54 328.6 328.6 291.3 328.7 0.03 22 226 11319 -56.9 -66.9 27 10.0 -57.1 352 60 330.9 330.9 292.0 331.0 0.02 23 223 11404 -57.1 -70.1 18 13.0 -57.3 353 60 331.8 331.9 292.2 331.9 0.01 24 201 12059 -60.7 -74.7 14 14.0 -60.9 355 66 336.1 336.1 293.3 336.1 0.01 25 200 12090 -60.9 -74.9 14 14.0 -61.0 355 65 336.3 336.3 293.4 336.4 0.01 26 185 12573 -62.9 -79.9 8 17.0 -63.0 336 60 340.7 340.7 294.5 340.7 0.00 27 150 13840 -71.3 -81.3 21 10.0 -71.3 285 45 347.3 347.3 296.0 347.3 0.00 28 144 14080 -72.9 -81.9 24 9.0 -72.9 290 60 348.6 348.6 296.3 348.6 0.00 29 127 14830 -65.9 -85.9 5 20.0 -66.0 290 66 373.9 373.9 301.2 374.0 0.00 30 111 15638 -70.5 -87.5 6 17.0 -70.6 290 72 380.0 380.0 302.2 380.0 0.00 31 100 16260 -68.7 -87.7 5 19.0 -68.8 290 77 395.0 395.0 304.5 395.0 0.00 32 88 17025 -67.9 -87.9 4 20.0 -68.0 290 67 411.3 411.3 306.7 411.3 0.00 33 72 18214 -72.5 -89.5 6 17.0 -72.6 290 51 425.8 425.8 308.4 425.8 0.00 34 70 18380 -70.9 -88.9 5 18.0 -71.0 290 49 432.7 432.7 309.1 432.7 0.00 35 60 19307 -65.9 -88.9 3 23.0 -66.1 297 44 463.4 463.4 312.1 463.4 0.00 36 57 19619 -66.9 -89.9 3 23.0 -67.1 299 42 468.0 468.0 312.5 468.0 0.00 37 53 20061 -65.9 -89.9 2 24.0 -66.1 302 39 480.1 480.1 313.5 480.1 0.00 38 52 20178 -62.3 -89.3 2 27.0 -62.7 303 38 491.1 491.1 314.3 491.1 0.00 39 50 20420 -63.1 -88.1 2 25.0 -63.5 305 37 494.8 494.8 314.6 494.8 0.00 40 48 20670 -64.3 -89.3 2 25.0 -64.7 306 35 497.7 497.7 314.8 497.8 0.00 41 33 23007 -56.1 -86.1 1 30.0 -57.4 313 13 575.8 575.8 319.5 575.8 0.01 42 30 23610 -58.3 -87.3 1 29.0 -59.4 315 7 585.7 585.7 319.9 585.7 0.01 43 28 24042 -60.5 -88.5 1 28.0 -61.4 309 8 591.3 591.3 320.2 591.3 0.01 44 26 24508 -56.3 -87.3 1 31.0 -57.9 303 9 615.9 615.9 321.3 615.9 0.01 45 25 24756 -57.7 -86.7 1 29.0 -59.1 299 10 618.8 618.8 321.5 618.8 0.01 46 22 25570 -53.7 -85.7 1 32.0 -56.0 288 12 653.7 653.7 322.8 653.8 0.01 47 20 26180 -55.5 -86.5 1 31.0 -57.6 280 14 666.3 666.3 323.3 666.4 0.01 48 16 27624 -49.3 -83.3 1 34.0 -53.6 262 10 730.4 730.4 325.4 730.6 0.02 49 15 28046 -50.9 -83.9 1 33.0 -54.8 257 9 738.7 738.7 325.6 738.9 0.02 50 10 30710 -46.9 -82.9 1 36.0 -53.7 225 2 844.5 844.5 328.3 844.9 0.04 51 8.2 32034 -43.9 -80.9 1 37.0 -53.0 905.6 905.7 329.5 906.4 0.07 TRP 144 14080 -72.9 -81.9 24 9.0 -72.9 290 60 348.6 348.6 296.3 348.6 0.00 WND 201 12059 -60.7 -74.7 14 14.0 -60.9 355 66 336.1 336.1 293.3 336.1 0.01 Sounding variables and indices 1000-500 mb thick: 5603.00 m Freezing level: 680.57 mb = 3347.95 m = 10983.94 ft Freezing level: 617.00 mb = 4125.09 m = 13533.60 ft Freezing level: 617.00 mb = 4125.09 m = 13533.60 ft Wetbulb zero: 722.32 mb = 2861.67 m = 9388.56 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 51.39 % Est. max temperature: 20.15 C = 68.27 F Sfc-Lift cond lev (LCL): 828.37 mb = 1740.87 m = 5711.46 ft T: 4.24 C 700-500 lapse rate: 4.86 C/km ThetaE index: 0.36 C Layer 826.0- 812.0 mb Conv cond level (CCL): 693.00 mb = 3198.57 m = 10493.86 ft Mean mixing ratio: 5.73 g/kg Conv temperature: 31.25 C = 88.26 F Cap Strength: 11.67 C Lifted Index: 11.34 C Risk: None Lifted Index @300 mb: 13.21 C Lifted Index @700 mb: 5.84 C Showalter Index: 10.81 C Risk: None Total Totals Index: 33.50 C Risk: None Vertical Totals Index: 18.30 C Cross Totals Index: 15.20 C K Index: 16.60 Risk: < 20 % chance of thunderstorms Sweat Index: 116.60 Risk: None Energy Index: 2.58 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.68 J/kg Max Up Vert Vel: 1.84 m/s Conv Inhibition (B-): 59066.14 J/kg Cap Strength: 11.61 C Lift Cond Lev (LCL): 821.08 mb = 1813.36 m = 5949.29 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 1 at 21 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 116 330 3 1.5 -2.6 | 186 18 1.9 18.4 1 1000 167 315 4 2.8 -2.8 | 190 18 3.2 18.2 2 925 829 280 8 7.9 -1.4 | 203 21 8.3 19.6 3 850 1530 315 18 12.7 -12.7 | 238 16 13.1 8.3 4 700 3118 345 33 8.5 -31.9 | 321 14 8.9 -10.9 5 500 5770 325 41 23.5 -33.6 | 298 27 23.9 -12.6 6 400 7440 340 49 16.8 -46.0 | 326 30 17.1 -25.1 7 300 9460 345 52 13.5 -50.2 | 335 32 13.8 -29.2 8 250 10670 350 54 9.4 -53.2 | 343 34 9.8 -32.2 9 201 12059 355 66 5.8 -65.7 | 352 45 6.1 -44.8 10 200 12090 355 65 5.7 -64.8 | 352 44 6.1 -43.8 11 150 13840 285 45 43.5 -11.6 | 258 45 43.9 9.3 12 144 14080 290 60 56.4 -20.5 | 270 57 56.8 0.5 13 100 16260 290 77 72.4 -26.3 | 274 73 72.7 -5.3 14 70 18380 290 49 46.0 -16.8 | 265 47 46.4 4.2 15 50 20420 305 37 30.3 -21.2 | 270 31 30.7 -0.2 16 30 23610 315 7 4.9 -4.9 | 198 17 5.3 16.0 17 20 26180 280 14 13.8 -2.4 | 217 23 14.2 18.6 18 10 30710 225 2 1.4 1.4 | 185 22 1.8 22.4 Wind Parameters Mean winds (0-6000m): 331.1 at 28.0 knts Storm direction: 1.1 at 21.0 knts Shear (0-3000m) pos: 5.1 neg: 0.8 tot: 5.9 10-3/s Storm rel Dir Shear (0-3000m): 134.7 deg Storm rel helicity (0-3000m) pos: 156.3 neg: 0.0 tot: 156.3 m^2/s^2 ave: 52.1 10^-3 m/s^2 rel: 0.93 Storm rel vorticity (0-3000m) horiz: 6.8 stream: 6.3 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.02 Bulk Shear: 73.93 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 ------------------------------------------------------------------------------- 500 302 5 195 19| 0.0 4.9 4.9| 22.4 0.0 22.4 44.8 0.93| 5.0 4.7 1000 291 7 201 20| 2.8 2.4 5.2| 53.0 0.0 53.0 53.0 0.88| 5.9 5.2 1500 302 10 209 18| 4.5 1.6 6.1| 88.8 0.0 88.8 59.2 0.88| 7.0 6.2 2000 311 13 218 16| 4.7 1.2 6.0|110.2 0.0 110.2 55.1 0.89| 6.8 6.1 2500 319 15 228 14| 4.9 1.0 5.9|132.2 0.0 132.2 52.9 0.91| 6.7 6.2 3000 327 18 240 12| 5.1 0.8 5.9|156.3 0.0 156.3 52.1 0.93| 6.8 6.3 4000 332 22 262 11| 3.8 1.3 5.1|156.3 -12.0 144.3 36.1 0.75| 5.8 4.4 5000 333 25 277 12| 3.0 1.6 4.7|156.3 -29.0 127.3 25.5 0.61| 5.2 3.2 6000 331 28 284 14| 2.7 1.6 4.4|174.9 -42.1 132.7 22.1 0.55| 4.9 2.7 Wrote GIF file: /home/apache/climate/data/raob//GC018/skewt/GC018.skewt.20260118.00.gif