UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041812.upa.cvt Date: 1200Z 18 APR 25 Searching for U2820... Searching the city database file for: U2820 ... Date:1200Z 18 APR 25 Station: U2820 WMO ident: 22820 Latitude: 61.82 Longitude: 34.27 ------------------------------------------------------------------------------- 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 1002 105 10.0 6.5 79 3.5 8.2 70 3 283.0 284.0 281.2 299.8 6.06 1 1000 122 10.2 6.6 78 3.6 8.3 70 3 283.4 284.4 281.4 300.3 6.11 2 995 164 10.6 6.6 76 4.0 8.5 79 3 284.2 285.2 281.8 301.3 6.15 3 992 189 11.6 7.6 76 4.0 9.4 85 3 285.4 286.6 283.0 303.8 6.61 4 925 771 8.4 5.3 81 3.1 6.8 215 7 287.9 289.0 283.4 305.0 6.04 5 882 1163 6.0 3.8 86 2.2 4.9 218 10 289.4 290.4 283.7 305.6 5.70 6 871 1267 7.8 5.7 87 2.1 6.6 219 11 292.3 293.4 285.8 311.2 6.60 7 865 1324 7.8 5.6 86 2.2 6.6 219 12 292.8 294.0 286.0 311.9 6.60 8 850 1468 7.8 4.7 81 3.1 6.1 220 13 294.3 295.4 286.2 312.6 6.31 9 796 2009 7.8 0.8 61 7.0 4.2 230 11 299.9 300.8 287.1 315.1 5.09 10 700 3062 4.4 -15.6 22 20.0 -2.9 250 7 307.4 307.7 286.2 312.6 1.62 11 689 3191 4.2 -18.8 17 23.0 -3.6 248 7 308.5 308.8 286.3 312.7 1.26 12 637 3822 -1.3 -34.3 6 33.0 -8.7 237 9 309.3 309.3 285.5 310.4 0.33 13 608 4190 -5.5 -37.5 6 32.0 -11.6 231 10 308.6 308.6 285.1 309.5 0.25 14 500 5690 -17.3 -47.3 5 30.0 -20.8 205 13 311.9 312.0 286.2 312.3 0.11 15 466 6211 -21.3 -50.3 5 29.0 -24.2 208 12 313.3 313.3 286.6 313.6 0.08 16 400 7310 -31.5 -57.5 6 26.0 -33.0 215 11 314.0 314.1 286.8 314.2 0.04 17 332 8595 -42.7 -66.7 5 24.0 -43.3 209 14 315.9 315.9 287.4 315.9 0.01 18 300 9270 -48.1 -71.1 5 23.0 -48.5 205 15 317.6 317.6 287.9 317.6 0.01 19 250 10450 -57.5 -78.5 5 21.0 -57.6 240 13 320.6 320.6 288.9 320.6 0.00 20 245 10578 -58.7 -79.7 5 21.0 -58.8 251 14 320.6 320.6 288.9 320.7 0.00 21 221 11222 -62.5 -82.5 5 20.0 -62.6 310 17 324.4 324.4 290.1 324.4 0.00 22 213 11452 -58.7 -79.7 5 21.0 -58.9 297 17 333.7 333.7 292.7 333.8 0.00 23 200 11850 -57.3 -78.3 5 21.0 -57.5 275 17 342.0 342.0 294.8 342.0 0.00 24 178 12586 -57.5 -78.5 5 21.0 -57.7 285 19 353.3 353.3 297.3 353.3 0.00 25 154 13510 -52.5 -74.5 5 22.0 -52.9 298 22 376.8 376.8 301.7 376.8 0.01 26 150 13680 -52.7 -74.7 5 22.0 -53.2 300 23 379.3 379.3 302.1 379.3 0.01 27 138 14214 -54.9 -76.9 5 22.0 -55.3 300 25 384.5 384.5 303.0 384.6 0.01 28 112 15553 -52.3 -74.3 5 22.0 -52.9 300 29 413.1 413.1 306.9 413.1 0.01 29 100 16280 -54.7 -76.7 5 22.0 -55.2 300 31 422.0 422.0 308.0 422.1 0.01 30 94 16676 -55.7 -77.7 5 22.0 -56.2 303 30 427.6 427.6 308.6 427.7 0.01 31 70 18570 -52.3 -74.3 5 22.0 -53.2 320 23 472.5 472.5 312.8 472.6 0.02 32 50 20750 -49.5 -72.5 5 23.0 -51.2 330 15 526.8 526.8 316.8 527.1 0.04 33 30 24090 -48.9 -71.9 5 23.0 -51.6 345 13 611.3 611.4 321.2 611.9 0.08 34 20 26750 -49.1 -72.1 5 23.0 -52.7 340 23 685.9 685.9 324.0 686.8 0.11 35 14 29091 -49.1 -72.1 5 23.0 -53.6 759.5 759.6 326.3 761.1 0.16 TRP 221 11222 -62.5 -82.5 5 20.0 -62.6 310 17 324.4 324.4 290.1 324.4 0.00 WND Sounding variables and indices 1000-500 mb thick: 5568.00 m Freezing level: 649.29 mb = 3672.85 m = 12049.88 ft Wetbulb zero: 738.61 mb = 2622.16 m = 8602.78 ft Precipitable water: 0.67 inches Sfc-500 mean rel hum: 37.36 % Est. max temperature: 21.14 C = 70.05 F Sfc-Lift cond lev (LCL): 950.13 mb = 547.96 m = 1797.73 ft T: 9.63 C 700-500 lapse rate: 8.26 C/km ThetaE index: 2.53 C Layer 700.0- 689.0 mb Conv cond level (CCL): 657.11 mb = 3572.02 m = 11719.07 ft Mean mixing ratio: 6.22 g/kg Conv temperature: 36.02 C = 96.83 F Cap Strength: 12.09 C Lifted Index: 8.73 C Risk: None Lifted Index @300 mb: 9.54 C Lifted Index @700 mb: 11.47 C Showalter Index: 3.36 C Risk: None Total Totals Index: 47.10 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 25.10 C Cross Totals Index: 22.00 C K Index: 9.80 Risk: None Sweat Index: 95.40 Risk: None Energy Index: 0.11 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 11.08 J/kg Max Up Vert Vel: 4.71 m/s Conv Inhibition (B-): 48922.06 J/kg Cap Strength: 11.92 C Lift Cond Lev (LCL): 902.76 mb = 971.57 m = 3187.54 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 251 at 7 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 1002 105 70 3 -2.8 -1.0 | 71 10 -9.7 -3.4 1 1000 122 70 3 -2.8 -1.0 | 71 10 -9.7 -3.4 2 925 771 215 7 4.0 5.7 | 140 4 -2.8 3.4 3 850 1468 220 13 8.4 10.0 | 191 8 1.5 7.6 4 700 3062 250 7 6.6 2.4 | 93 0 -0.3 0.0 5 500 5690 205 13 5.5 11.8 | 172 9 -1.3 9.4 6 400 7310 215 11 6.3 9.0 | 175 7 -0.5 6.6 7 300 9270 205 15 6.3 13.6 | 177 11 -0.5 11.2 8 250 10450 240 13 11.3 6.5 | 227 6 4.4 4.1 9 221 11222 310 17 13.0 -10.9 | 335 15 6.2 -13.3 10 200 11850 275 17 16.9 -1.5 | 291 11 10.1 -3.9 11 150 13680 300 23 19.9 -11.5 | 317 19 13.1 -13.9 12 100 16280 300 31 26.8 -15.5 | 312 27 20.0 -17.9 13 70 18570 320 23 14.8 -17.6 | 338 22 7.9 -20.0 14 50 20750 330 15 7.5 -13.0 | 358 15 0.7 -15.4 15 30 24090 345 13 3.4 -12.6 | 13 15 -3.5 -14.9 16 20 26750 340 23 7.9 -21.6 | 358 24 1.0 -24.0 Wind Parameters Mean winds (0-6000m): 220.8 at 9.7 knts Storm direction: 250.8 at 7.2 knts Shear (0-3000m) pos: 1.7 neg: 0.0 tot: 1.7 10-3/s Storm rel Dir Shear (0-3000m): 53.3 deg Storm rel helicity (0-3000m) pos: 34.2 neg: -0.1 tot: 34.2 m^2/s^2 ave: 11.4 10^-3 m/s^2 rel: 0.60 Storm rel vorticity (0-3000m) horiz: 4.6 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.93 Bulk Shear: 11.86 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 ------------------------------------------------------------------------------- 500 147 4 98 9| 7.7 0.0 7.7| 21.1 0.0 21.1 42.3 0.90| 9.2 8.3 1000 208 6 127 5| 6.4 0.0 6.4| 28.6 0.0 28.6 28.6 0.82| 8.2 6.8 1500 215 8 152 5| 5.2 0.0 5.2| 33.0 0.0 33.0 22.0 0.80| 6.7 5.4 2000 219 9 164 5| 3.5 0.0 3.5| 34.0 0.0 34.0 17.0 0.73| 5.7 4.2 2500 222 9 170 4| 2.4 0.0 2.4| 34.2 0.0 34.2 13.7 0.67| 5.1 3.4 3000 225 9 171 4| 1.7 0.0 1.7| 34.2 -0.1 34.2 11.4 0.60| 4.6 2.8 4000 228 9 174 3| 1.3 0.4 1.7| 34.3 -0.2 34.2 8.5 0.55| 3.9 2.1 5000 226 9 175 4| 1.0 0.7 1.8| 34.3 -1.6 32.7 6.5 0.46| 3.5 1.6 6000 221 10 174 5| 0.9 0.8 1.6| 34.8 -3.9 30.9 5.1 0.39| 3.2 1.3 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20250418.12.gif