UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025100912.upa.cvt Date: 1200Z 9 OCT 25 Searching for U4947... Searching the city database file for: U4947 ... Date:1200Z 9 OCT 25 Station: U4947 WMO ident: 24947 ------------------------------------------------------------------------------- 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 1013 134 -7.3 -15.3 53 8.0 -9.2 300 1 264.9 265.1 263.2 268.0 1.15 1 1008 173 -6.1 -8.7 82 2.6 -6.8 310 1 266.4 266.8 265.8 271.7 1.96 2 1000 235 -6.7 -9.6 80 2.9 -7.5 325 1 266.5 266.7 265.6 271.4 1.84 3 936 747 -10.9 -15.7 68 4.8 -12.0 346 4 267.3 267.5 265.0 270.6 1.20 4 925 838 -11.9 -16.4 69 4.5 -12.9 350 5 267.1 267.3 264.8 270.3 1.15 5 850 1479 -16.9 -19.1 83 2.2 -17.3 335 7 268.4 268.6 265.5 271.2 0.99 6 800 1930 -20.5 -22.6 83 2.1 -20.8 316 7 269.3 269.4 265.7 271.5 0.78 7 755 2356 -23.3 -26.6 74 3.3 -23.7 298 7 270.8 270.9 266.3 272.4 0.57 8 747 2434 -22.5 -26.0 73 3.5 -23.0 295 7 272.5 272.6 267.5 274.3 0.61 9 700 2908 -25.3 -31.3 57 6.0 -25.9 275 7 274.5 274.5 268.4 275.7 0.40 10 625 3724 -30.5 -38.5 45 8.0 -31.1 240 8 277.6 277.6 270.1 278.3 0.22 11 535 4815 -37.9 -45.9 43 8.0 -38.3 191 9 281.3 281.4 272.1 281.7 0.12 12 500 5280 -40.1 -48.1 42 8.0 -40.4 170 9 284.1 284.2 273.7 284.5 0.10 13 412 6575 -44.7 -53.7 36 9.0 -45.0 127 25 294.4 294.4 278.9 294.6 0.06 14 400 6770 -45.9 -54.9 35 9.0 -46.2 120 27 295.3 295.3 279.3 295.5 0.06 15 343 7781 -50.7 -60.7 30 10.0 -50.9 105 35 302.1 302.1 282.3 302.2 0.03 16 301 8628 -51.7 -61.7 29 10.0 -51.9 105 36 312.2 312.2 286.1 312.3 0.03 17 300 8650 -51.5 -61.5 29 10.0 -51.7 105 36 312.8 312.8 286.4 312.9 0.03 18 250 9840 -50.1 -62.1 23 12.0 -50.4 85 19 331.6 331.6 292.2 331.7 0.04 19 200 11300 -48.9 -63.9 16 15.0 -49.4 85 9 355.3 355.3 297.8 355.5 0.04 20 198 11366 -48.5 -63.5 16 15.0 -49.0 82 9 357.0 357.0 298.1 357.2 0.04 21 150 13190 -50.1 -69.1 9 19.0 -50.7 5 7 383.7 383.7 302.9 383.9 0.02 22 100 15820 -53.3 -74.3 6 21.0 -53.9 310 7 424.7 424.7 308.3 424.8 0.02 23 70 18110 -53.3 -76.3 4 23.0 -54.2 285 9 470.4 470.4 312.7 470.5 0.02 24 61 18994 -54.9 -78.9 4 24.0 -55.8 273 9 485.7 485.7 313.9 485.8 0.01 25 50 20270 -53.5 -77.5 4 24.0 -54.6 255 9 517.4 517.4 316.1 517.5 0.02 26 34 22763 -52.1 -77.1 3 25.0 -53.9 244 17 581.4 581.4 319.8 581.6 0.03 27 30 23580 -48.7 -73.7 4 25.0 -51.5 240 19 611.9 611.9 321.2 612.3 0.06 28 29 23804 -47.1 -73.1 4 26.0 -50.4 238 20 622.2 622.3 321.6 622.8 0.07 29 20 26270 -46.1 -72.1 4 26.0 -50.7 215 33 695.1 695.1 324.3 696.0 0.11 30 18 26974 -43.7 -69.7 4 26.0 -49.5 210 31 723.9 724.0 325.2 725.5 0.18 31 13 29145 -46.7 -72.7 4 26.0 -52.4 196 27 784.1 784.2 326.9 785.7 0.16 32 11 30260 -43.5 -69.5 4 26.0 -51.2 189 24 834.1 834.3 328.1 837.2 0.30 33 10 30900 -44.1 -70.1 4 26.0 -51.9 185 23 854.9 855.1 328.5 858.1 0.30 34 8.1 32309 -45.5 -71.5 4 26.0 -53.5 902.5 902.7 329.5 905.9 0.30 TRP 343 7781 -50.7 -60.7 30 10.0 -50.9 105 35 302.1 302.1 282.3 302.2 0.03 WND Sounding variables and indices 1000-500 mb thick: 5045.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.15 inches Sfc-500 mean rel hum: 61.30 % Est. max temperature: -3.94 C = 24.90 F Sfc-Lift cond lev (LCL): 891.44 mb = 1118.14 m = 3668.39 ft T: -14.09 C 700-500 lapse rate: 6.24 C/km ThetaE index: 1.41 C Layer 1000.0- 850.0 mb Conv cond level (CCL): 894.82 mb = 1089.42 m = 3574.18 ft Mean mixing ratio: 1.46 g/kg Conv temperature: -4.50 C = 23.91 F Cap Strength: 9.01 C Lifted Index: 11.09 C Risk: None Lifted Index @300 mb: 29.69 C Lifted Index @700 mb: 4.50 C Showalter Index: 10.80 C Risk: None Total Totals Index: 44.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.20 C Cross Totals Index: 21.00 C K Index: -1.90 Risk: None Sweat Index: 23.00 Risk: None Energy Index: 2.76 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 2.71 J/kg Max Up Vert Vel: 2.33 m/s Conv Inhibition (B-): 68695.20 J/kg Cap Strength: 10.72 C Lift Cond Lev (LCL): 906.06 mb = 994.85 m = 3263.89 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 6 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 1013 134 300 1 0.9 -0.5 | 63 5 -4.7 -2.4 1 1000 235 325 1 0.6 -0.8 | 61 6 -5.0 -2.7 2 925 838 350 5 0.9 -4.9 | 35 8 -4.7 -6.9 3 850 1479 335 7 3.0 -6.3 | 18 9 -2.6 -8.3 4 700 2908 275 7 7.0 -0.6 | 331 3 1.4 -2.5 5 500 5280 170 9 -1.6 8.9 | 134 10 -7.2 6.9 6 400 6770 120 27 -23.4 13.5 | 112 31 -29.0 11.6 7 343 7781 105 35 -33.8 9.1 | 100 40 -39.4 7.1 8 300 8650 105 36 -34.8 9.3 | 100 41 -40.4 7.4 9 250 9840 85 19 -18.9 -1.7 | 82 25 -24.5 -3.6 10 200 11300 85 9 -9.0 -0.8 | 79 15 -14.6 -2.7 11 150 13190 5 7 -0.6 -7.0 | 35 11 -6.2 -8.9 12 100 15820 310 7 5.4 -4.5 | 2 6 -0.2 -6.4 13 70 18110 285 9 8.7 -2.3 | 324 5 3.1 -4.3 14 50 20270 255 9 8.7 2.3 | 263 3 3.1 0.4 15 30 23580 240 19 16.5 9.5 | 235 13 10.9 7.6 16 20 26270 215 33 18.9 27.0 | 208 28 13.3 25.1 17 10 30900 185 23 2.0 22.9 | 170 21 -3.6 21.0 Wind Parameters Mean winds (0-6000m): 221.0 at 7.9 knts Storm direction: 251.0 at 5.9 knts Shear (0-3000m) pos: 0.9 neg: 1.4 tot: 2.3 10-3/s Storm rel Dir Shear (0-3000m): -113.2 deg Storm rel helicity (0-3000m) pos: 0.0 neg: -18.6 tot: -18.6 m^2/s^2 ave: -6.2 10^-3 m/s^2 rel: -0.70 Storm rel vorticity (0-3000m) horiz: 2.7 stream: -1.9 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 10.58 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 ------------------------------------------------------------------------------- 500 336 2 51 6| 3.1 0.0 3.1| 0.0 -4.0 -4.0 -7.9 -0.78| 3.3 -2.5 1000 345 4 41 7| 2.7 0.0 2.7| 0.0 -7.8 -7.8 -7.8 -0.73| 3.0 -2.2 1500 341 5 33 7| 1.8 0.7 2.5| 0.0 -12.2 -12.2 -8.1 -0.78| 2.7 -2.1 2000 333 5 26 7| 1.3 1.0 2.4| 0.0 -15.4 -15.4 -7.7 -0.75| 2.7 -2.0 2500 324 6 20 7| 1.1 1.3 2.4| 0.0 -17.4 -17.4 -6.9 -0.71| 2.7 -1.9 3000 315 6 14 6| 0.9 1.4 2.3| 0.0 -18.6 -18.6 -6.2 -0.70| 2.7 -1.9 4000 294 6 358 4| 0.7 1.6 2.3| 0.0 -21.4 -21.4 -5.4 -0.73| 2.8 -2.0 5000 273 7 333 2| 0.5 1.5 2.1| 0.0 -29.0 -29.0 -5.8 -0.71| 2.9 -2.1 6000 221 8 174 4| 0.4 2.1 2.6| 0.3 -44.3 -44.0 -7.3 -0.56| 3.6 -2.0 Wrote GIF file: /home/apache/climate/data/raob//U4947/skewt/U4947.skewt.20251009.12.gif