UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041800.upa.cvt Date: 0000Z 18 APR 25 Searching for U7730... Searching the city database file for: U7730 ... Date:0000Z 18 APR 25 Station: U7730 WMO ident: 27730 Latitude: 54.63 Longitude: 39.70 ------------------------------------------------------------------------------- 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 156 12.6 8.3 75 4.3 10.2 240 1 285.4 286.6 283.2 304.5 6.85 1 1000 189 13.0 9.8 81 3.2 11.2 230 5 286.1 287.5 284.3 307.4 7.62 2 933 772 11.6 5.6 67 6.0 8.4 274 21 290.5 291.5 284.5 307.9 6.12 3 925 844 10.0 5.0 71 5.0 7.3 280 23 289.5 290.6 284.0 306.4 5.91 4 878 1275 6.0 2.3 77 3.7 4.2 277 21 289.7 290.6 283.2 304.5 5.14 5 850 1540 5.2 2.5 83 2.7 3.8 275 19 291.6 292.6 284.2 307.1 5.39 6 840 1637 5.4 3.3 86 2.1 4.3 274 19 292.8 293.8 285.1 309.5 5.78 7 732 2751 -1.5 -3.1 89 1.6 -2.2 263 14 297.0 297.8 285.1 309.4 4.16 8 700 3107 -3.1 -5.1 86 2.0 -4.0 260 13 299.1 299.7 285.4 310.3 3.74 9 555 4901 -14.1 -16.4 83 2.3 -14.8 260 19 306.6 306.9 286.3 312.7 1.91 10 500 5680 -21.5 -24.3 78 2.8 -22.1 260 21 306.8 307.0 285.4 310.4 1.07 11 436 6671 -29.9 -33.3 72 3.4 -30.3 275 19 308.4 308.5 285.4 310.2 0.53 12 400 7280 -33.7 -37.8 66 4.1 -34.1 285 17 311.2 311.3 286.2 312.5 0.37 13 386 7530 -34.9 -39.7 62 4.8 -35.3 282 17 312.8 312.9 286.7 313.9 0.31 14 300 9240 -49.1 -53.9 57 4.8 -49.3 260 21 316.1 316.2 287.6 316.5 0.08 15 293 9394 -51.1 -55.8 57 4.7 -51.2 261 20 315.4 315.5 287.3 315.7 0.07 16 252 10360 -57.5 -62.5 53 5.0 -57.6 265 17 319.9 319.9 288.7 320.0 0.03 17 250 10410 -57.3 -62.3 53 5.0 -57.4 265 17 320.9 320.9 289.0 321.0 0.04 18 217 11303 -57.9 -62.9 53 5.0 -58.0 300 23 333.2 333.2 292.6 333.4 0.04 19 200 11820 -55.5 -60.5 54 5.0 -55.6 320 27 344.9 344.9 295.6 345.1 0.06 20 170 12858 -53.3 -59.3 48 6.0 -53.5 323 28 364.9 365.0 299.7 365.3 0.08 21 150 13660 -53.9 -59.9 48 6.0 -54.1 325 29 377.2 377.2 301.9 377.6 0.08 22 100 16240 -58.3 -64.3 46 6.0 -58.5 330 27 415.1 415.1 307.2 415.4 0.07 23 89 16976 -56.7 -62.7 47 6.0 -57.0 338 24 432.3 432.4 309.1 432.8 0.09 24 70 18500 -55.9 -61.9 47 6.0 -56.3 355 17 464.8 464.8 312.3 465.6 0.13 25 53 20268 -53.3 -59.3 48 6.0 -53.9 338 10 509.3 509.4 315.7 510.8 0.24 26 50 20640 -54.5 -60.5 47 6.0 -55.1 335 9 515.0 515.1 316.1 516.5 0.22 27 30 23930 -53.3 -58.3 54 5.0 -54.1 30 25 599.3 599.5 320.7 602.9 0.49 28 23 25636 -54.5 -59.1 57 4.6 -55.4 643.1 643.4 322.6 647.7 0.58 TRP 252 10360 -57.5 -62.5 53 5.0 -57.6 265 17 319.9 319.9 288.7 320.0 0.03 WND Sounding variables and indices 1000-500 mb thick: 5491.00 m Freezing level: 755.48 mb = 2508.74 m = 8230.69 ft Wetbulb zero: 768.64 mb = 2355.52 m = 7727.98 ft Precipitable water: 0.91 inches Sfc-500 mean rel hum: 82.33 % Est. max temperature: 18.51 C = 65.31 F Sfc-Lift cond lev (LCL): 940.95 mb = 700.69 m = 2298.82 ft T: 11.77 C 700-500 lapse rate: 7.15 C/km ThetaE index: 3.46 C Layer 925.0- 850.0 mb Conv cond level (CCL): 855.25 mb = 1489.59 m = 4887.04 ft Mean mixing ratio: 6.56 g/kg Conv temperature: 18.42 C = 65.15 F Cap Strength: 3.93 C Lifted Index: 2.62 C Risk: None Lifted Index @300 mb: 6.54 C Lifted Index @700 mb: 2.42 C Showalter Index: 2.62 C Risk: Showers probable Total Totals Index: 50.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.70 C Cross Totals Index: 24.00 C K Index: 27.20 Risk: 40-60 % chance of thunderstorms Sweat Index: 123.00 Risk: None Energy Index: 0.66 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 10.08 J/kg Max Up Vert Vel: 4.49 m/s Conv Inhibition (B-): 38915.19 J/kg Cap Strength: 3.84 C Lift Cond Lev (LCL): 888.82 mb = 1173.55 m = 3850.17 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 296 at 13 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 156 240 1 0.9 0.5 | 120 12 -10.7 6.1 1 1000 189 230 5 3.8 3.2 | 139 12 -7.7 8.8 2 925 844 280 23 22.7 -4.0 | 262 11 11.1 1.6 3 850 1540 275 19 18.9 -1.7 | 242 8 7.4 3.9 4 700 3107 260 13 12.8 2.3 | 189 8 1.3 7.8 5 500 5680 260 21 20.7 3.6 | 225 13 9.1 9.2 6 400 7280 285 17 16.4 -4.4 | 256 5 4.9 1.2 7 300 9240 260 21 20.7 3.6 | 225 13 9.1 9.2 8 252 10360 265 17 16.9 1.5 | 217 9 5.4 7.1 9 250 10410 265 17 16.9 1.5 | 217 9 5.4 7.1 10 200 11820 320 27 17.4 -20.7 | 339 16 5.8 -15.1 11 150 13660 325 29 16.6 -23.8 | 344 19 5.1 -18.2 12 100 16240 330 27 13.5 -23.4 | 354 18 2.0 -17.8 13 70 18500 355 17 1.5 -16.9 | 42 15 -10.1 -11.4 14 50 20640 335 9 3.8 -8.2 | 72 8 -7.7 -2.6 15 30 23930 30 25 -12.5 -21.7 | 56 29 -24.0 -16.1 Wind Parameters Mean winds (0-6000m): 265.8 at 17.1 knts Storm direction: 295.8 at 12.8 knts Shear (0-3000m) pos: 3.5 neg: 1.6 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 70.5 deg Storm rel helicity (0-3000m) pos: 68.2 neg: -23.2 tot: 45.0 m^2/s^2 ave: 15.0 10^-3 m/s^2 rel: 0.40 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 2.6 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.78 Bulk Shear: 5.67 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 ------------------------------------------------------------------------------- 500 258 11 173 8| 17.4 0.0 17.4| 49.9 0.0 49.9 99.7 0.98| 19.4 19.0 1000 275 16 227 6| 10.5 0.0 10.5| 68.2 -3.9 64.3 64.3 0.86| 14.4 12.4 1500 275 17 235 7| 7.0 1.0 8.0| 68.2 -9.6 58.5 39.0 0.70| 10.6 7.4 2000 274 17 234 7| 5.3 1.4 6.6| 68.2 -14.6 53.6 26.8 0.58| 8.6 5.0 2500 273 17 230 7| 4.2 1.6 5.8| 68.2 -19.3 48.8 19.5 0.48| 7.3 3.5 3000 272 17 225 7| 3.5 1.6 5.1| 68.2 -23.2 45.0 15.0 0.40| 6.4 2.6 4000 269 16 218 7| 2.6 1.0 3.6| 74.3 -23.2 51.2 12.8 0.44| 5.2 2.3 5000 267 16 217 8| 2.1 0.7 2.8| 80.5 -23.2 57.3 11.5 0.46| 4.5 2.1 6000 266 17 219 9| 1.7 0.6 2.3| 88.3 -23.2 65.1 10.9 0.47| 4.1 1.9 Wrote GIF file: /home/apache/climate/data/raob//U7730/skewt/U7730.skewt.20250418.00.gif