UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025102100.upa.cvt Date: 0000Z 21 OCT 25 Searching for U5403... Searching the city database file for: U5403 ... Date:0000Z 21 OCT 25 Station: U5403 WMO ident: 25403 ------------------------------------------------------------------------------- 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 1015 40 -6.3 -10.0 75 3.7 -7.3 280 5 265.7 266.0 265.0 270.5 1.76 1 1000 156 -7.5 -11.3 74 3.8 -8.5 310 9 265.6 265.9 264.6 270.0 1.61 2 967 416 -10.3 -13.5 77 3.2 -11.1 323 11 265.4 265.6 264.1 269.2 1.39 3 925 757 -12.1 -14.7 81 2.6 -12.7 340 13 266.9 267.2 265.0 270.6 1.32 4 887 1073 -12.7 -15.5 80 2.8 -13.3 340 17 269.5 269.7 266.8 273.1 1.29 5 850 1392 -15.1 -18.4 76 3.3 -15.7 340 21 270.3 270.5 266.9 273.3 1.05 6 805 1803 -18.1 -21.7 73 3.6 -18.7 341 20 271.4 271.5 267.2 273.8 0.84 7 776 2077 -21.3 -25.0 72 3.7 -21.8 342 19 270.8 270.9 266.5 272.7 0.65 8 703 2801 -27.5 -31.6 68 4.1 -27.9 345 17 271.7 271.8 266.6 272.9 0.39 9 700 2832 -27.9 -32.0 68 4.1 -28.3 345 17 271.6 271.7 266.5 272.7 0.37 10 637 3498 -33.7 -38.2 64 4.5 -34.0 344 19 272.4 272.5 266.8 273.1 0.22 11 554 4472 -34.1 -38.5 64 4.4 -34.4 342 23 283.0 283.1 273.3 283.8 0.25 12 500 5180 -38.9 -43.5 62 4.6 -39.1 340 25 285.6 285.6 274.6 286.1 0.16 13 400 6690 -48.1 -53.0 57 4.9 -48.2 335 36 292.5 292.5 278.0 292.7 0.07 14 321 8111 -57.1 -62.1 53 5.0 -57.2 340 40 299.0 299.0 281.0 299.1 0.03 15 320 8131 -57.1 -62.1 53 5.0 -57.2 340 40 299.3 299.3 281.1 299.4 0.03 16 300 8540 -56.5 -61.5 53 5.0 -56.6 345 33 305.7 305.7 283.7 305.8 0.03 17 258 9506 -52.3 -58.3 48 6.0 -52.5 349 25 325.4 325.4 290.5 325.6 0.06 18 250 9710 -51.3 -57.3 49 6.0 -51.5 350 23 329.8 329.8 291.7 330.1 0.07 19 200 11160 -49.9 -58.9 34 9.0 -50.2 345 13 353.8 353.8 297.5 354.0 0.07 20 195 11326 -48.7 -58.7 30 10.0 -49.1 347 13 358.2 358.3 298.4 358.6 0.07 21 150 13050 -49.7 -63.7 18 14.0 -50.3 5 9 384.4 384.4 303.0 384.7 0.05 22 100 15690 -52.1 -70.1 10 18.0 -52.8 360 5 427.1 427.1 308.5 427.2 0.03 23 70 17990 -53.1 -73.1 7 20.0 -53.9 125 5 470.8 470.8 312.7 470.9 0.03 24 50 20150 -52.3 -73.3 6 21.0 -53.6 215 9 520.2 520.2 316.4 520.5 0.04 25 47 20551 -53.5 -74.5 6 21.0 -54.7 215 10 526.6 526.6 316.7 526.9 0.03 26 30 23480 -48.9 -71.9 5 23.0 -51.6 215 21 611.3 611.4 321.2 611.9 0.08 27 20 26140 -49.7 -73.7 4 24.0 -53.1 230 27 684.0 684.1 323.9 684.8 0.09 28 12 29506 -46.7 -71.7 4 25.0 -52.7 802.3 802.4 327.4 804.3 0.20 TRP 321 8111 -57.1 -62.1 53 5.0 -57.2 340 40 299.0 299.0 281.0 299.1 0.03 WND Sounding variables and indices 1000-500 mb thick: 5024.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.16 inches Sfc-500 mean rel hum: 69.77 % Est. max temperature: -1.99 C = 28.41 F Sfc-Lift cond lev (LCL): 957.04 mb = 495.52 m = 1625.69 ft T: -10.72 C 700-500 lapse rate: 4.68 C/km ThetaE index: 1.28 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 858.96 mb = 1313.45 m = 4309.17 ft Mean mixing ratio: 1.45 g/kg Conv temperature: -1.86 C = 28.65 F Cap Strength: 11.35 C Lifted Index: 12.99 C Risk: None Lifted Index @300 mb: 25.34 C Lifted Index @700 mb: 2.61 C Showalter Index: 10.30 C Risk: None Total Totals Index: 44.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.80 C Cross Totals Index: 20.50 C K Index: 1.30 Risk: None Sweat Index: 67.00 Risk: None Energy Index: 2.59 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.99 J/kg Max Up Vert Vel: 3.46 m/s Conv Inhibition (B-): 68376.88 J/kg Cap Strength: 12.83 C Lift Cond Lev (LCL): 916.07 mb = 830.03 m = 2723.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 10 at 15 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 1015 40 280 5 4.9 -0.9 | 209 16 7.6 13.9 1 1000 156 310 9 6.9 -5.8 | 227 13 9.5 9.0 2 925 757 340 13 4.4 -12.2 | 250 8 7.1 2.5 3 850 1392 340 21 7.2 -19.7 | 297 11 9.8 -5.0 4 700 2832 345 17 4.4 -16.4 | 283 7 7.1 -1.7 5 500 5180 340 25 8.6 -23.5 | 308 14 11.2 -8.8 6 400 6690 335 36 15.2 -32.6 | 315 25 17.9 -17.9 7 321 8111 340 40 13.7 -37.6 | 324 28 16.3 -22.8 8 300 8540 345 33 8.5 -31.9 | 327 20 11.2 -17.1 9 250 9710 350 23 4.0 -22.7 | 320 10 6.6 -7.9 10 200 11160 345 13 3.4 -12.6 | 250 6 6.0 2.2 11 150 13050 5 9 -0.8 -9.0 | 198 6 1.9 5.8 12 100 15690 360 5 -0.0 -5.0 | 195 10 2.7 9.7 13 70 17990 125 5 -4.1 2.9 | 175 18 -1.4 17.6 14 50 20150 215 9 5.2 7.4 | 199 23 7.8 22.1 15 30 23480 215 21 12.0 17.2 | 205 35 14.7 31.9 16 20 26140 230 27 20.7 17.4 | 216 40 23.3 32.1 Wind Parameters Mean winds (0-6000m): 340.2 at 20.0 knts Storm direction: 10.2 at 15.0 knts Shear (0-3000m) pos: 2.8 neg: 0.0 tot: 2.8 10-3/s Storm rel Dir Shear (0-3000m): 78.9 deg Storm rel helicity (0-3000m) pos: 46.2 neg: -4.6 tot: 41.6 m^2/s^2 ave: 13.9 10^-3 m/s^2 rel: 0.57 Storm rel vorticity (0-3000m) horiz: 4.3 stream: 2.5 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.32 Bulk Shear: 18.46 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 ------------------------------------------------------------------------------- 500 317 10 230 12| 9.4 0.0 9.4| 25.9 0.0 25.9 51.9 0.77| 9.9 7.6 1000 330 12 241 10| 7.6 0.0 7.6| 36.5 0.0 36.5 36.5 0.78| 8.2 6.3 1500 335 14 258 9| 6.4 0.0 6.4| 45.2 -0.3 44.9 29.9 0.77| 7.0 5.4 2000 337 16 268 9| 4.5 0.0 4.5| 45.2 -1.9 43.3 21.7 0.69| 5.7 3.9 2500 338 16 272 9| 3.3 0.0 3.3| 45.2 -3.6 41.6 16.6 0.61| 4.8 2.9 3000 339 16 274 8| 2.8 0.0 2.8| 46.2 -4.6 41.6 13.9 0.57| 4.3 2.5 4000 341 17 280 8| 2.1 0.4 2.5| 51.1 -4.6 46.5 11.6 0.57| 3.7 2.1 5000 341 18 287 9| 1.7 0.7 2.4| 55.4 -4.6 50.8 10.2 0.55| 3.3 1.8 6000 340 20 293 10| 1.4 1.2 2.6| 63.3 -4.6 58.6 9.8 0.50| 3.3 1.7 Wrote GIF file: /home/apache/climate/data/raob//U5403/skewt/U5403.skewt.20251021.00.gif