UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043012.upa.cvt Date: 1200Z 30 APR 25 Searching for U6781... Searching the city database file for: U6781 ... Date:1200Z 30 APR 25 Station: U6781 WMO ident: 26781 Latitude: 54.75 Longitude: 32.07 ------------------------------------------------------------------------------- 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 143 SFC 988 244 13.4 2.4 47 11.0 7.9 290 5 287.5 288.3 281.6 300.7 4.60 2 925 791 6.8 -2.2 53 9.0 2.8 295 15 286.3 286.9 279.7 296.3 3.51 3 893 1079 3.6 -4.4 56 8.0 0.3 291 18 285.9 286.4 279.0 294.7 3.08 4 850 1479 0.8 -8.2 51 9.0 -2.5 285 23 287.0 287.4 278.6 294.1 2.42 5 700 2997 -11.3 -15.7 70 4.4 -12.5 310 23 290.0 290.3 279.0 294.8 1.61 6 698 3019 -11.5 -15.8 70 4.3 -12.7 310 23 290.0 290.3 279.0 294.8 1.60 7 692 3085 -11.9 -16.2 70 4.3 -13.0 310 23 290.3 290.5 279.1 295.0 1.56 8 659 3459 -12.7 -26.7 30 14.0 -15.5 308 25 293.4 293.6 279.3 295.5 0.65 9 610 4046 -15.1 -26.1 39 11.0 -17.3 306 28 297.2 297.4 281.2 299.6 0.74 10 584 4374 -16.3 -33.3 22 17.0 -19.0 305 30 299.6 299.6 281.7 300.9 0.39 11 570 4556 -18.1 -39.1 14 21.0 -20.8 304 31 299.5 299.6 281.5 300.3 0.23 12 500 5520 -26.1 -36.1 39 10.0 -27.3 300 36 301.2 301.3 282.4 302.4 0.35 13 487 5710 -27.1 -37.1 38 10.0 -28.2 302 37 302.3 302.3 282.7 303.4 0.32 14 428 6629 -34.1 -52.1 15 18.0 -35.1 310 44 304.7 304.7 283.4 305.0 0.07 15 400 7100 -37.5 -52.5 19 15.0 -38.2 315 48 306.3 306.3 284.0 306.5 0.07 16 361 7798 -43.7 -54.7 29 11.0 -44.1 313 49 307.1 307.1 284.3 307.3 0.06 17 341 8180 -45.1 -55.1 32 10.0 -45.4 312 50 310.2 310.2 285.5 310.5 0.06 18 300 9020 -53.3 -62.3 33 9.0 -53.5 310 52 310.2 310.2 285.4 310.3 0.03 19 297 9085 -54.3 -63.3 32 9.0 -54.4 310 52 309.7 309.7 285.2 309.8 0.03 20 269 9715 -56.9 -64.9 36 8.0 -57.0 305 52 314.8 314.8 287.1 314.9 0.02 21 250 10180 -56.3 -65.3 31 9.0 -56.4 305 50 322.4 322.4 289.5 322.5 0.02 22 200 11620 -52.5 -64.5 22 12.0 -52.8 295 35 349.6 349.6 296.6 349.8 0.03 23 195 11783 -51.5 -63.5 23 12.0 -51.8 295 34 353.8 353.8 297.5 353.9 0.04 24 150 13480 -52.1 -69.1 11 17.0 -52.5 300 29 380.3 380.3 302.3 380.4 0.02 25 100 16090 -53.9 -74.9 6 21.0 -54.5 285 19 423.6 423.6 308.2 423.7 0.01 26 92 16627 -52.1 -74.1 5 22.0 -52.9 280 18 437.4 437.4 309.6 437.5 0.02 27 83 17287 -56.3 -78.3 5 22.0 -56.8 275 17 441.9 441.9 310.1 441.9 0.01 28 70 18370 -55.3 -78.3 4 23.0 -56.0 265 15 466.1 466.1 312.3 466.1 0.01 29 65 18846 -53.3 -76.3 4 23.0 -54.2 262 15 480.4 480.4 313.5 480.5 0.02 30 59 19468 -55.9 -77.9 5 22.0 -56.6 257 15 488.1 488.1 314.1 488.2 0.02 31 50 20530 -53.1 -76.1 4 23.0 -54.3 250 15 518.3 518.3 316.2 518.5 0.02 32 48 20793 -52.3 -75.3 5 23.0 -53.7 248 15 526.3 526.3 316.7 526.5 0.03 33 42 21651 -54.1 -77.1 4 23.0 -55.4 241 14 542.4 542.4 317.6 542.5 0.03 34 32 23409 -49.7 -73.7 4 24.0 -52.1 228 12 598.0 598.0 320.5 598.4 0.06 35 30 23830 -50.5 -73.5 5 23.0 -52.8 225 11 607.0 607.0 320.9 607.4 0.06 36 22 25843 -52.9 -75.9 5 23.0 -55.3 206 9 656.1 656.1 322.9 656.6 0.06 37 20 26460 -51.9 -74.9 5 23.0 -54.7 200 9 677.3 677.3 323.7 677.9 0.07 38 17 27517 -50.3 -74.3 4 24.0 -53.9 714.7 714.7 324.9 715.5 0.10 TRP 269 9715 -56.9 -64.9 36 8.0 -57.0 305 52 314.8 314.8 287.1 314.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5377.00 m Freezing level: 840.08 mb = 1579.36 m = 5181.58 ft Wetbulb zero: 888.22 mb = 1122.78 m = 3683.62 ft Precipitable water: 0.37 inches Sfc-500 mean rel hum: 45.01 % Est. max temperature: 13.08 C = 55.55 F Sfc-Lift cond lev (LCL): 836.44 mb = 1604.70 m = 5264.70 ft T: -0.20 C 700-500 lapse rate: 5.87 C/km ThetaE index: 6.60 C Layer 925.0- 700.0 mb Conv cond level (CCL): 795.07 mb = 2001.34 m = 6565.99 ft Mean mixing ratio: 3.75 g/kg Conv temperature: 13.93 C = 57.07 F Cap Strength: 5.10 C Lifted Index: 4.76 C Risk: None Lifted Index @300 mb: 9.23 C Lifted Index @700 mb: -0.30 C Showalter Index: 7.10 C Risk: None Total Totals Index: 44.80 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 26.90 C Cross Totals Index: 17.90 C K Index: 14.30 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 1.73 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 9.78 J/kg Max Up Vert Vel: 4.42 m/s Conv Inhibition (B-): 31.82 J/kg Cap Strength: 5.08 C Lift Cond Lev (LCL): 812.69 mb = 1829.98 m = 6003.79 ft Lev Free Conv (LFC): 717.69 mb = 2801.91 m = 9192.51 ft Equ Level (EL): 687.69 mb = 3132.89 m = 10278.38 ft B at Equ Level: 9.76 J/kg Max Parcel Lev (MPL): 657.69 mb = 3473.75 m = 11396.67 ft Wind level data Storm motion: 331 at 20 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 ---------------------------------------------------------- 0 988 244 290 5 4.7 -1.7 | 163 16 -4.8 15.5 1 925 791 295 15 13.6 -6.3 | 200 12 4.1 10.9 2 850 1479 285 23 22.2 -6.0 | 228 17 12.7 11.2 3 700 2997 310 23 17.6 -14.8 | 253 8 8.1 2.4 4 500 5520 300 36 31.2 -18.0 | 272 22 21.6 -0.8 5 400 7100 315 48 33.9 -33.9 | 304 30 24.4 -16.7 6 300 9020 310 52 39.8 -33.4 | 298 34 30.3 -16.2 7 269 9715 305 52 42.6 -29.8 | 291 35 33.1 -12.6 8 250 10180 305 50 41.0 -28.7 | 290 33 31.4 -11.5 9 200 11620 295 35 31.7 -14.8 | 264 22 22.2 2.4 10 150 13480 300 29 25.1 -14.5 | 260 16 15.6 2.7 11 100 16090 285 19 18.4 -4.9 | 216 15 8.8 12.3 12 70 18370 265 15 14.9 1.3 | 196 19 5.4 18.5 13 50 20530 250 15 14.1 5.1 | 192 23 4.6 22.3 14 30 23830 225 11 7.8 7.8 | 176 25 -1.8 25.0 15 20 26460 200 9 3.1 8.5 | 166 26 -6.5 25.7 Wind Parameters Mean winds (0-6000m): 301.0 at 26.2 knts Storm direction: 331.0 at 19.7 knts Shear (0-3000m) pos: 2.6 neg: 1.1 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): 95.8 deg Storm rel helicity (0-3000m) pos: 74.3 neg: 0.0 tot: 74.3 m^2/s^2 ave: 24.8 10^-3 m/s^2 rel: 0.73 Storm rel vorticity (0-3000m) horiz: 5.0 stream: 3.7 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.26 Bulk Shear: 37.30 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 ------------------------------------------------------------------------------- 500 294 10 177 13| 9.4 0.0 9.4| 28.7 0.0 28.7 57.4 0.87| 9.5 8.2 1000 292 13 194 12| 4.7 3.3 8.0| 47.3 0.0 47.3 47.3 0.87| 8.1 7.0 1500 290 16 207 13| 4.1 2.2 6.3| 58.7 0.0 58.7 39.1 0.81| 6.9 5.6 2000 291 18 214 13| 3.2 1.6 4.9| 65.2 0.0 65.2 32.6 0.77| 6.0 4.6 2500 293 19 220 12| 2.8 1.3 4.1| 70.3 0.0 70.3 28.1 0.74| 5.5 4.1 3000 296 20 224 12| 2.6 1.1 3.7| 74.3 0.0 74.3 24.8 0.73| 5.0 3.7 4000 300 22 235 11| 2.0 1.5 3.5| 80.8 0.0 80.8 20.2 0.67| 4.5 3.0 5000 300 24 245 12| 1.6 1.8 3.4| 84.7 0.0 84.7 16.9 0.60| 4.2 2.5 6000 301 26 254 13| 2.0 1.5 3.5|124.7 0.0 124.7 20.8 0.63| 4.2 2.7 Wrote GIF file: /home/apache/climate/data/raob//U6781/skewt/U6781.skewt.20250430.12.gif