UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042612.upa.cvt Date: 1200Z 26 APR 25 Searching for U4122... Searching the city database file for: U4122 ... Date:1200Z 26 APR 25 Station: U4122 WMO ident: 24122 ------------------------------------------------------------------------------- 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 ------------------------------------------------------------------------------- 0 1000 104 SFC 987 207 -2.3 -8.3 63 6.0 -4.2 240 7 271.9 272.2 269.7 277.6 2.07 2 925 713 -7.3 -11.8 70 4.5 -8.5 165 19 271.8 272.1 269.0 276.5 1.67 3 850 1369 -12.9 -16.2 76 3.3 -13.6 170 25 272.6 272.8 268.8 276.2 1.27 4 733 2479 -22.1 -24.1 84 2.0 -22.4 178 30 274.4 274.5 269.0 276.6 0.74 5 700 2816 -24.9 -27.4 80 2.5 -25.2 180 31 274.9 275.0 269.1 276.6 0.58 6 690 2920 -26.1 -28.7 79 2.6 -26.4 179 31 274.7 274.8 268.8 276.3 0.52 7 525 4839 -39.3 -42.5 72 3.2 -39.5 167 39 281.2 281.2 272.2 281.7 0.17 8 500 5170 -42.7 -45.9 71 3.2 -42.8 165 40 281.0 281.0 271.9 281.4 0.13 9 488 5335 -43.5 -46.9 69 3.4 -43.6 167 40 282.0 282.0 272.5 282.3 0.11 10 482 5418 -45.7 -49.1 68 3.4 -45.8 168 40 280.2 280.3 271.5 280.5 0.09 11 443 5981 -47.7 -51.5 65 3.8 -47.8 175 40 284.6 284.6 273.9 284.8 0.07 12 438 6056 -47.7 -51.4 66 3.7 -47.8 175 39 285.5 285.5 274.4 285.8 0.08 13 400 6660 -46.3 -52.3 51 6.0 -46.5 175 35 294.8 294.8 279.1 295.1 0.08 14 300 8580 -42.1 -53.1 29 11.0 -42.6 195 23 326.0 326.0 290.7 326.4 0.09 15 292 8763 -41.5 -52.5 29 11.0 -42.1 192 22 329.4 329.4 291.6 329.8 0.10 16 250 9810 -44.1 -59.1 17 15.0 -44.7 175 19 340.5 340.5 294.5 340.7 0.05 17 246 9918 -44.1 -60.1 15 16.0 -44.7 176 18 342.1 342.1 294.8 342.3 0.05 18 200 11310 -44.1 -62.1 12 18.0 -44.9 185 9 362.9 363.0 299.3 363.1 0.04 19 169 12438 -44.5 -62.5 12 18.0 -45.4 182 8 380.2 380.2 302.3 380.4 0.05 20 150 13230 -47.9 -65.9 11 18.0 -48.6 180 7 387.5 387.5 303.5 387.7 0.04 21 148 13319 -48.3 -66.3 11 18.0 -49.0 180 7 388.3 388.3 303.6 388.5 0.03 22 100 15910 -47.7 -66.7 9 19.0 -48.8 170 7 435.6 435.6 309.4 435.8 0.05 23 70 18250 -49.1 -68.1 9 19.0 -50.4 155 5 479.3 479.4 313.4 479.7 0.06 24 50 20450 -50.3 -69.3 9 19.0 -51.8 160 5 524.9 525.0 316.6 525.4 0.07 25 43 21432 -50.5 -69.5 9 19.0 -52.2 136 5 547.6 547.6 318.0 548.1 0.08 26 30 23770 -51.5 -69.5 10 18.0 -53.5 80 5 604.2 604.3 320.8 605.1 0.11 27 20 26410 -50.9 -69.9 9 19.0 -53.8 65 5 680.4 680.4 323.8 681.7 0.16 28 15 28303 -46.1 -66.1 9 20.0 -51.2 754.7 754.8 326.1 758.0 0.35 29 10 31019 -42.9 -63.9 8 21.0 -50.7 859.4 859.8 328.8 867.0 0.71 TRP 443 5981 -47.7 -51.5 65 3.8 -47.8 175 40 284.6 284.6 273.9 284.8 0.07 WND Sounding variables and indices 1000-500 mb thick: 5066.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.19 inches Sfc-500 mean rel hum: 75.39 % Est. max temperature: -1.34 C = 29.59 F Sfc-Lift cond lev (LCL): 898.00 mb = 942.86 m = 3093.34 ft T: -9.26 C 700-500 lapse rate: 7.56 C/km ThetaE index: 1.34 C Layer 925.0- 733.0 mb Conv cond level (CCL): 859.52 mb = 1282.58 m = 4207.89 ft Mean mixing ratio: 1.75 g/kg Conv temperature: -1.63 C = 29.07 F Cap Strength: 4.04 C Lifted Index: 3.75 C Risk: None Lifted Index @300 mb: 34.87 C Lifted Index @700 mb: 0.22 C Showalter Index: 4.21 C Risk: None Total Totals Index: 56.30 C Risk: Severe Thunderstorms probable Vertical Totals Index: 29.80 C Cross Totals Index: 26.50 C K Index: 11.10 Risk: None Sweat Index: 236.00 Risk: None Energy Index: 1.03 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.38 J/kg Max Up Vert Vel: 1.66 m/s Conv Inhibition (B-): 66139.75 J/kg Cap Strength: 3.97 C Lift Cond Lev (LCL): 867.42 mb = 1211.64 m = 3975.14 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 202 at 24 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 ---------------------------------------------------------- 0 987 207 240 7 6.1 3.5 | 9 19 -2.9 -18.3 1 925 713 165 19 -4.9 18.4 | 76 14 -13.9 -3.5 2 850 1369 170 25 -4.3 24.6 | 102 14 -13.3 2.8 3 700 2816 180 31 0.0 31.0 | 136 13 -8.9 9.2 4 500 5170 165 40 -10.4 38.6 | 131 26 -19.3 16.8 5 443 5981 175 40 -3.5 39.8 | 145 22 -12.4 18.0 6 400 6660 175 35 -3.1 34.9 | 137 18 -12.0 13.1 7 300 8580 195 23 6.0 22.2 | 98 3 -3.0 0.4 8 250 9810 175 19 -1.7 18.9 | 75 11 -10.6 -2.9 9 200 11310 185 9 0.8 9.0 | 32 15 -8.2 -12.8 10 150 13230 180 7 0.0 7.0 | 31 17 -8.9 -14.8 11 100 15910 170 7 -1.2 6.9 | 34 18 -10.2 -14.9 12 70 18250 155 5 -2.1 4.5 | 33 21 -11.1 -17.3 13 50 20450 160 5 -1.7 4.7 | 32 20 -10.7 -17.1 14 30 23770 80 5 -4.9 -0.9 | 31 27 -13.9 -22.7 15 20 26410 65 5 -4.5 -2.1 | 29 27 -13.5 -23.9 Wind Parameters Mean winds (0-6000m): 172.3 at 31.4 knts Storm direction: 202.3 at 23.6 knts Shear (0-3000m) pos: 2.2 neg: 3.5 tot: 5.7 10-3/s Storm rel Dir Shear (0-3000m): 126.8 deg Storm rel helicity (0-3000m) pos: 86.8 neg: -0.5 tot: 86.2 m^2/s^2 ave: 28.7 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 6.3 stream: 4.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 47.31 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 ------------------------------------------------------------------------------- 500 183 13 43 12| 0.0 18.8 18.8| 37.1 -0.5 36.6 73.3 0.62| 21.3 13.2 1000 173 17 66 12| 2.5 9.4 11.8| 54.7 -0.5 54.2 54.2 0.69| 13.1 9.1 1500 172 20 79 12| 2.7 6.3 9.0| 66.3 -0.5 65.9 43.9 0.72| 9.9 7.2 2000 173 22 89 12| 2.7 4.7 7.4| 75.4 -0.5 74.9 37.5 0.75| 8.1 6.1 2500 174 23 97 11| 2.7 3.8 6.4| 84.6 -0.5 84.2 33.7 0.77| 7.0 5.4 3000 175 25 104 11| 2.2 3.5 5.7| 86.8 -0.5 86.2 28.7 0.73| 6.3 4.6 4000 175 27 115 13| 1.7 3.3 5.0| 86.8 -3.1 83.6 20.9 0.62| 5.4 3.4 5000 173 30 121 15| 1.3 3.2 4.5| 87.9 -9.8 78.1 15.6 0.53| 4.9 2.6 6000 172 31 125 16| 1.4 2.6 4.0|122.6 -14.0 108.6 18.1 0.54| 4.8 2.6 Wrote GIF file: /home/apache/climate/data/raob//U4122/skewt/U4122.skewt.20250426.12.gif