UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025110600.upa.cvt Date: 0000Z 6 NOV 25 Searching for U2820... Searching the city database file for: U2820 ... Date:0000Z 6 NOV 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 ------------------------------------------------------------------------------- 0 1000 61 250 7 SFC 994 111 9.6 8.9 95 0.7 9.2 250 7 283.2 284.5 282.7 303.1 7.21 2 925 709 6.8 5.9 94 0.9 6.3 265 35 286.3 287.4 283.0 303.9 6.30 3 858 1321 4.4 3.5 94 0.9 3.9 269 24 290.0 291.0 284.0 306.4 5.74 4 850 1397 3.6 2.5 93 1.1 3.1 270 23 289.9 290.9 283.5 305.4 5.39 5 705 2895 -4.3 -5.1 94 0.8 -4.6 275 27 297.1 297.8 284.7 308.2 3.71 6 700 2951 -4.7 -5.6 93 0.9 -5.1 275 27 297.3 297.9 284.6 308.1 3.60 7 629 3782 -10.3 -11.3 92 1.0 -10.6 278 32 300.1 300.6 284.5 308.0 2.56 8 627 3806 -10.7 -11.8 92 1.1 -11.1 278 33 299.9 300.4 284.4 307.5 2.47 9 603 4104 -14.1 -16.9 79 2.8 -14.9 279 35 299.4 299.7 283.2 304.7 1.69 10 587 4307 -14.5 -19.4 66 4.9 -15.8 280 36 301.2 301.5 283.7 305.7 1.40 11 569 4542 -16.3 -22.3 60 6.0 -17.7 281 37 301.8 302.0 283.5 305.4 1.12 12 513 5312 -22.1 -26.1 70 4.0 -22.8 284 43 303.9 304.0 284.1 306.8 0.89 13 500 5500 -22.7 -26.4 72 3.7 -23.4 285 44 305.4 305.5 284.7 308.3 0.88 14 493 5603 -22.9 -26.3 74 3.4 -23.5 284 45 306.4 306.5 285.1 309.4 0.91 15 442 6395 -28.9 -31.3 80 2.4 -29.2 279 50 308.5 308.6 285.5 310.6 0.63 16 432 6558 -30.5 -32.9 79 2.4 -30.8 278 51 308.5 308.6 285.5 310.4 0.56 17 400 7100 -35.7 -38.4 76 2.7 -36.0 275 54 308.6 308.7 285.2 309.8 0.35 18 374 7563 -39.9 -42.5 76 2.6 -40.1 281 56 309.0 309.1 285.2 309.9 0.24 19 356 7899 -40.9 -43.9 73 3.0 -41.1 285 58 312.1 312.1 286.4 312.9 0.22 20 336 8289 -44.2 -48.3 63 4.1 -44.4 290 60 312.8 312.8 286.5 313.3 0.14 21 333 8349 -44.7 -49.0 62 4.3 -44.9 290 60 312.9 312.9 286.5 313.4 0.13 22 307 8889 -47.9 -52.9 56 5.0 -48.1 290 58 315.7 315.8 287.5 316.1 0.09 23 300 9040 -49.5 -54.5 56 5.0 -49.7 290 58 315.6 315.6 287.4 315.9 0.08 24 279 9512 -53.1 -58.1 54 5.0 -53.2 290 59 317.0 317.0 287.8 317.2 0.05 25 266 9817 -57.1 -62.1 53 5.0 -57.2 290 60 315.5 315.5 287.3 315.7 0.03 26 250 10210 -56.9 -61.9 53 5.0 -57.0 290 56 321.5 321.5 289.2 321.6 0.04 27 240 10469 -57.5 -62.5 53 5.0 -57.6 289 55 324.3 324.4 290.1 324.5 0.04 28 217 11109 -55.5 -60.5 54 5.0 -55.6 287 53 336.9 336.9 293.6 337.1 0.05 29 200 11630 -55.9 -61.9 47 6.0 -56.1 285 52 344.2 344.3 295.4 344.4 0.05 30 165 12841 -59.1 -65.1 46 6.0 -59.2 295 49 358.4 358.4 298.4 358.5 0.04 31 150 13440 -56.9 -63.9 41 7.0 -57.1 300 48 372.0 372.1 300.9 372.3 0.05 32 135 14108 -56.1 -63.1 41 7.0 -56.3 295 44 384.8 384.9 303.1 385.1 0.06 33 120 14853 -58.1 -66.1 35 8.0 -58.3 289 40 394.4 394.4 304.5 394.6 0.04 34 113 15228 -61.9 -69.9 34 8.0 -62.0 286 38 394.1 394.1 304.4 394.2 0.03 35 112 15283 -61.9 -69.9 34 8.0 -62.0 286 37 395.1 395.1 304.5 395.2 0.03 36 101 15928 -58.7 -66.7 35 8.0 -58.9 280 33 413.1 413.1 306.9 413.4 0.05 37 100 15990 -58.9 -66.9 35 8.0 -59.1 280 33 413.9 413.9 307.0 414.2 0.05 38 94 16374 -62.9 -70.9 33 8.0 -63.0 283 32 413.4 413.5 306.9 413.6 0.03 39 86 16919 -65.1 -73.1 32 8.0 -65.2 288 30 419.7 419.7 307.7 419.8 0.02 40 70 18170 -65.7 -73.7 32 8.0 -65.8 300 27 443.8 443.8 310.3 444.0 0.03 41 50 20210 -67.9 -75.9 31 8.0 -68.1 290 35 483.5 483.5 313.7 483.6 0.03 42 49 20331 -68.1 -77.1 26 9.0 -68.2 290 35 485.8 485.8 313.9 485.9 0.02 43 39 21707 -66.7 -74.7 32 8.0 -66.9 290 34 522.1 522.1 316.5 522.4 0.04 44 30 23270 -72.9 -80.9 29 8.0 -73.0 290 33 545.9 545.9 317.9 546.0 0.02 45 22 25093 -72.1 -80.1 29 8.0 -72.3 598.9 598.9 320.6 599.1 0.03 TRP 266 9817 -57.1 -62.1 53 5.0 -57.2 290 60 315.5 315.5 287.3 315.7 0.03 WND 336 8289 -44.2 -48.3 63 4.1 -44.4 290 60 312.8 312.8 286.5 313.3 0.14 Sounding variables and indices 1000-500 mb thick: 5439.00 m Freezing level: 783.92 mb = 2079.58 m = 6822.68 ft Wetbulb zero: 792.29 mb = 1960.07 m = 6430.59 ft Precipitable water: 0.83 inches Sfc-500 mean rel hum: 85.70 % Est. max temperature: 16.54 C = 61.78 F Sfc-Lift cond lev (LCL): 983.57 mb = 198.88 m = 652.48 ft T: 9.19 C 700-500 lapse rate: 7.06 C/km ThetaE index: 3.56 C Layer 700.0- 587.0 mb Conv cond level (CCL): 908.77 mb = 853.09 m = 2798.82 ft Mean mixing ratio: 6.57 g/kg Conv temperature: 13.49 C = 56.28 F Cap Strength: 2.75 C Lifted Index: 3.65 C Risk: None Lifted Index @300 mb: 8.46 C Lifted Index @700 mb: 2.60 C Showalter Index: 2.59 C Risk: Showers probable Total Totals Index: 51.50 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 26.30 C Cross Totals Index: 25.20 C K Index: 27.90 Risk: 40-60 % chance of thunderstorms Sweat Index: 170.00 Risk: None Energy Index: 0.56 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 16.97 J/kg Max Up Vert Vel: 5.83 m/s Conv Inhibition (B-): 33645.86 J/kg Cap Strength: 3.52 C Lift Cond Lev (LCL): 931.08 mb = 654.55 m = 2147.43 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 307 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 ---------------------------------------------------------- 0 994 111 250 7 6.6 2.4 | 144 21 -12.4 16.8 1 925 709 265 35 34.9 3.1 | 222 24 15.8 17.5 2 850 1397 270 23 23.0 -0.0 | 195 15 4.0 14.4 3 700 2951 275 27 26.9 -2.4 | 213 14 7.9 12.1 4 500 5500 285 44 42.5 -11.4 | 263 24 23.5 3.1 5 400 7100 275 54 53.8 -4.7 | 254 36 34.8 9.7 6 336 8289 290 60 56.4 -20.5 | 279 38 37.4 -6.1 7 300 9040 290 58 54.5 -19.8 | 279 36 35.5 -5.4 8 266 9817 290 60 56.4 -20.5 | 279 38 37.4 -6.1 9 250 10210 290 56 52.6 -19.2 | 278 34 33.6 -4.7 10 200 11630 285 52 50.2 -13.5 | 268 31 31.2 1.0 11 150 13440 300 48 41.6 -24.0 | 293 24 22.5 -9.6 12 100 15990 280 33 32.5 -5.7 | 237 16 13.5 8.7 13 70 18170 300 27 23.4 -13.5 | 258 4 4.4 0.9 14 50 20210 290 35 32.9 -12.0 | 260 14 13.9 2.5 15 30 23270 290 33 31.0 -11.3 | 255 12 12.0 3.2 Wind Parameters Mean winds (0-6000m): 277.2 at 31.8 knts Storm direction: 307.2 at 23.9 knts Shear (0-3000m) pos: 3.8 neg: 0.0 tot: 3.8 10-3/s Storm rel Dir Shear (0-3000m): 73.8 deg Storm rel helicity (0-3000m) pos: 167.3 neg: -40.7 tot: 126.6 m^2/s^2 ave: 42.2 10^-3 m/s^2 rel: 0.53 Storm rel vorticity (0-3000m) horiz: 8.0 stream: 4.2 10^-3/s Energy-Hel index: 0.02 Bulk Rich Number: 0.59 Bulk Shear: 28.58 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 ------------------------------------------------------------------------------- 500 262 19 178 17| 24.3 0.0 24.3|120.4 0.0 120.4 240.9 0.98| 24.6 24.0 1000 264 25 200 18| 11.0 0.0 11.0|145.8 -23.1 122.7 122.7 0.65| 18.4 12.0 1500 266 25 200 17| 5.9 0.0 5.9|148.1 -40.7 107.3 71.5 0.48| 14.2 6.8 2000 267 25 200 17| 4.8 0.0 4.8|153.7 -40.7 112.9 56.5 0.49| 11.0 5.5 2500 269 25 201 16| 4.1 0.0 4.1|159.3 -40.7 118.6 47.4 0.51| 9.1 4.7 3000 270 25 203 16| 3.8 0.0 3.8|167.3 -40.7 126.6 42.2 0.53| 8.0 4.2 4000 272 27 210 16| 3.7 0.0 3.7|194.3 -40.7 153.5 38.4 0.58| 6.9 4.0 5000 275 29 220 16| 3.7 0.0 3.7|224.0 -40.7 183.3 36.7 0.61| 6.2 3.8 6000 277 32 230 16| 3.4 0.3 3.7|236.5 -50.3 186.2 31.0 0.55| 5.9 3.2 Wrote GIF file: /home/apache/climate/data/raob//U2820/skewt/U2820.skewt.20251106.00.gif