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 U7707... Searching the city database file for: U7707 ... Date:0000Z 18 APR 25 Station: U7707 WMO ident: 27707 Latitude: 54.12 Longitude: 35.33 ------------------------------------------------------------------------------- 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 179 210 1 SFC 993 238 14.2 5.2 55 9.0 9.5 210 1 287.9 288.9 282.9 303.8 5.58 2 966 471 16.0 5.0 48 11.0 10.0 226 11 292.0 293.0 284.7 308.4 5.66 3 925 838 14.0 3.0 47 11.0 8.3 250 27 293.6 294.5 284.8 308.6 5.13 4 850 1544 8.6 0.6 57 8.0 4.6 260 19 295.2 296.0 284.9 309.0 4.70 5 828 1761 7.8 1.8 66 6.0 4.7 261 18 296.5 297.5 286.1 312.0 5.26 6 709 3017 -2.3 -4.2 87 1.9 -3.1 265 15 298.8 299.6 285.6 310.7 3.95 7 700 3118 -3.7 -6.5 81 2.8 -4.8 265 15 298.4 299.0 284.8 308.5 3.36 8 654 3651 -7.1 -9.4 84 2.3 -7.9 276 18 300.4 300.9 285.0 309.2 2.87 9 631 3931 -6.5 -15.5 49 9.0 -9.4 282 20 304.2 304.5 285.3 309.9 1.81 10 594 4401 -8.9 -27.9 20 19.0 -13.2 292 23 306.7 306.8 284.9 308.9 0.65 11 500 5710 -18.9 -41.9 11 23.0 -21.9 320 31 310.0 310.0 285.6 310.7 0.19 12 419 6992 -29.3 -49.3 13 20.0 -30.9 312 34 312.7 312.7 286.4 313.1 0.10 13 400 7320 -32.3 -52.3 12 20.0 -33.6 310 35 313.0 313.0 286.5 313.3 0.08 14 369 7882 -37.5 -55.5 14 18.0 -38.4 310 33 313.4 313.4 286.6 313.6 0.06 15 324 8767 -43.1 -59.1 16 16.0 -43.6 310 29 317.5 317.6 288.0 317.7 0.04 16 300 9280 -47.5 -63.5 14 16.0 -47.9 310 27 318.4 318.4 288.2 318.5 0.02 17 287 9573 -49.9 -64.9 16 15.0 -50.2 311 27 319.0 319.0 288.5 319.1 0.02 18 250 10470 -55.1 -69.1 16 14.0 -55.3 315 27 324.1 324.2 290.0 324.2 0.01 19 228 11054 -57.9 -71.9 15 14.0 -58.0 310 25 328.5 328.5 291.3 328.6 0.01 20 220 11280 -56.9 -70.9 15 14.0 -57.1 309 26 333.4 333.4 292.7 333.5 0.01 21 209 11607 -53.9 -67.9 16 14.0 -54.2 307 26 343.1 343.1 295.1 343.2 0.02 22 200 11890 -53.7 -67.7 16 14.0 -53.9 305 27 347.7 347.7 296.1 347.8 0.02 23 173 12819 -54.3 -68.3 16 14.0 -54.6 310 25 361.5 361.5 299.0 361.6 0.02 24 156 13486 -51.1 -66.1 15 15.0 -51.5 314 24 377.8 377.8 301.9 377.9 0.03 25 150 13740 -52.5 -67.5 15 15.0 -52.9 315 23 379.6 379.6 302.2 379.8 0.03 26 100 16320 -59.9 -76.9 9 17.0 -60.2 325 21 412.0 412.0 306.7 412.0 0.01 27 90 16982 -57.3 -75.3 8 18.0 -57.7 331 20 429.8 429.8 308.8 429.9 0.02 28 70 18570 -57.1 -76.1 7 19.0 -57.6 345 19 462.2 462.2 312.0 462.3 0.02 29 50 20710 -55.7 -75.7 7 20.0 -56.6 355 9 512.2 512.2 315.8 512.4 0.03 30 48 20970 -56.5 -76.5 6 20.0 -57.3 359 10 516.3 516.3 316.1 516.5 0.02 31 30 23990 -51.7 -73.7 5 22.0 -53.8 50 17 603.7 603.7 320.8 604.1 0.06 32 20 26600 -54.1 -77.1 4 23.0 -56.4 60 23 670.6 670.6 323.4 671.0 0.05 33 17 27638 -55.5 -78.5 4 23.0 -57.8 61 24 698.0 698.0 324.4 698.4 0.05 34 15 28441 -52.3 -76.3 4 24.0 -55.7 62 25 734.1 734.1 325.5 734.8 0.08 35 12 29880 -53.3 -77.3 4 24.0 -56.9 64 26 778.9 778.9 326.7 779.7 0.09 36 10 31060 -50.7 -74.7 4 24.0 -55.7 65 27 830.3 830.4 328.0 831.9 0.15 37 9.0 31749 -49.1 -74.1 4 25.0 -55.1 861.8 861.9 328.7 863.8 0.19 TRP 228 11054 -57.9 -71.9 15 14.0 -58.0 310 25 328.5 328.5 291.3 328.6 0.01 WND Sounding variables and indices 1000-500 mb thick: 5531.00 m Freezing level: 736.10 mb = 2730.67 m = 8958.78 ft Wetbulb zero: 756.48 mb = 2491.95 m = 8175.58 ft Precipitable water: 0.69 inches Sfc-500 mean rel hum: 51.20 % Est. max temperature: 21.85 C = 71.32 F Sfc-Lift cond lev (LCL): 867.03 mb = 1378.39 m = 4522.24 ft T: 9.87 C 700-500 lapse rate: 5.86 C/km ThetaE index: 3.52 C Layer 709.0- 654.0 mb Conv cond level (CCL): 738.98 mb = 2681.40 m = 8797.13 ft Mean mixing ratio: 5.34 g/kg Conv temperature: 24.52 C = 76.13 F Cap Strength: 4.91 C Lifted Index: 4.75 C Risk: None Lifted Index @300 mb: 7.62 C Lifted Index @700 mb: 1.44 C Showalter Index: 4.05 C Risk: None Total Totals Index: 47.00 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 27.50 C Cross Totals Index: 19.50 C K Index: 25.30 Risk: 40-60 % chance of thunderstorms Sweat Index: 76.20 Risk: None Energy Index: 0.42 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 19.62 J/kg Max Up Vert Vel: 6.26 m/s Conv Inhibition (B-): 58359.70 J/kg Cap Strength: 4.90 C Lift Cond Lev (LCL): 803.29 mb = 2005.83 m = 6580.73 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 317 at 16 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 ---------------------------------------------------------- 0 993 238 210 1 0.5 0.9 | 140 16 -10.5 12.6 1 925 838 250 27 25.4 9.2 | 215 25 14.4 20.9 2 850 1544 260 19 18.7 3.3 | 207 17 7.7 15.0 3 700 3118 265 15 14.9 1.3 | 197 14 4.0 13.0 4 500 5710 320 31 19.9 -23.7 | 323 15 9.0 -12.0 5 400 7320 310 35 26.8 -22.5 | 304 19 15.8 -10.8 6 300 9280 310 27 20.7 -17.4 | 300 11 9.7 -5.7 7 250 10470 315 27 19.1 -19.1 | 312 11 8.1 -7.4 8 228 11054 310 25 19.2 -16.1 | 298 9 8.2 -4.4 9 200 11890 305 27 22.1 -15.5 | 289 12 11.1 -3.8 10 150 13740 315 23 16.3 -16.3 | 311 7 5.3 -4.6 11 100 16320 325 21 12.0 -17.2 | 349 6 1.1 -5.5 12 70 18570 345 19 4.9 -18.4 | 42 9 -6.1 -6.6 13 50 20710 355 9 0.8 -9.0 | 105 11 -10.2 2.7 14 30 23990 50 17 -13.0 -10.9 | 92 24 -24.0 0.8 15 20 26600 60 23 -19.9 -11.5 | 90 31 -30.9 0.2 16 10 31060 65 27 -24.5 -11.4 | 90 35 -35.4 0.3 Wind Parameters Mean winds (0-6000m): 286.9 at 21.4 knts Storm direction: 316.9 at 16.0 knts Shear (0-3000m) pos: 2.6 neg: 0.0 tot: 2.6 10-3/s Storm rel Dir Shear (0-3000m): 60.8 deg Storm rel helicity (0-3000m) pos: 149.5 neg: -23.4 tot: 126.1 m^2/s^2 ave: 42.0 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 7.2 stream: 3.9 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.76 Bulk Shear: 25.97 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 ------------------------------------------------------------------------------- 500 249 12 180 16| 22.5 0.0 22.5|114.8 0.0 114.8 229.6 0.95| 23.7 22.4 1000 251 18 200 19| 11.2 0.0 11.2|146.7 -5.8 140.9 140.9 0.77| 17.2 13.2 1500 253 19 203 19| 6.1 0.0 6.1|146.7 -14.4 132.3 88.2 0.64| 12.9 8.2 2000 255 19 203 18| 4.3 0.0 4.3|146.7 -17.7 129.0 64.5 0.59| 10.0 6.0 2500 257 18 203 17| 3.2 0.0 3.2|146.7 -21.2 125.5 50.2 0.55| 8.3 4.6 3000 258 18 202 17| 2.6 0.0 2.6|149.5 -23.4 126.1 42.0 0.53| 7.2 3.9 4000 264 18 207 15| 2.8 0.0 2.8|177.6 -23.4 154.3 38.6 0.61| 6.6 4.0 5000 275 19 220 13| 2.9 0.0 2.9|209.6 -23.4 186.3 37.3 0.68| 6.5 4.4 6000 287 21 240 11| 2.7 0.2 2.9|228.2 -30.6 197.6 32.9 0.65| 6.1 3.9 Wrote GIF file: /home/apache/climate/data/raob//U7707/skewt/U7707.skewt.20250418.00.gif