UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025041700.upa.cvt Date: 0000Z 17 APR 25 Searching for U2217... Searching the city database file for: U2217 ... Date:0000Z 17 APR 25 Station: U2217 WMO ident: 22217 Latitude: 67.15 Longitude: 32.35 ------------------------------------------------------------------------------- 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 1017 28 0.4 -1.2 89 1.6 -0.2 335 1 272.2 272.8 272.0 281.5 3.44 1 1004 131 2.0 -1.2 79 3.2 0.7 350 4 274.8 275.4 273.6 284.3 3.48 2 1000 163 2.0 -1.7 76 3.7 0.5 355 5 275.1 275.7 273.6 284.4 3.37 3 980 326 1.2 -3.5 71 4.7 -0.6 40 5 275.9 276.4 273.6 284.2 3.01 4 952 560 2.8 -3.2 65 6.0 0.4 105 5 279.9 280.4 276.0 288.7 3.17 5 935 706 4.2 -1.8 65 6.0 1.7 146 5 282.7 283.3 278.0 292.8 3.58 6 925 793 3.4 -1.5 70 4.9 1.3 170 5 282.8 283.4 278.2 293.2 3.70 7 874 1251 0.0 -3.1 80 3.1 -1.3 224 13 283.9 284.5 278.5 293.8 3.48 8 850 1474 -0.5 -2.9 84 2.4 -1.5 250 17 285.6 286.3 279.6 296.0 3.63 9 700 3004 -8.3 -10.6 83 2.3 -9.1 275 23 293.3 293.7 281.6 300.6 2.43 10 696 3048 -8.5 -10.8 83 2.3 -9.3 275 23 293.6 294.0 281.7 300.8 2.41 11 677 3263 -7.1 -9.0 86 1.9 -7.8 276 25 297.5 298.0 283.8 306.1 2.86 12 636 3748 -9.3 -11.4 85 2.1 -10.0 279 30 300.3 300.8 284.6 308.1 2.51 13 500 5560 -22.3 -25.3 77 3.0 -22.9 290 48 305.9 306.0 284.9 309.1 0.98 14 448 6357 -29.1 -32.4 73 3.3 -29.5 292 52 307.1 307.2 284.9 309.0 0.56 15 400 7160 -33.9 -37.1 73 3.2 -34.2 295 56 310.9 311.0 286.1 312.3 0.40 16 387 7390 -34.9 -38.2 72 3.3 -35.2 295 57 312.6 312.6 286.7 313.9 0.37 17 300 9110 -48.7 -52.1 68 3.4 -48.8 295 62 316.7 316.7 287.8 317.1 0.10 18 250 10280 -59.3 -62.8 64 3.5 -59.3 300 66 317.9 317.9 288.1 318.0 0.03 19 244 10433 -60.5 -64.0 63 3.5 -60.6 300 67 318.3 318.3 288.2 318.4 0.03 20 236 10641 -61.6 -65.1 63 3.5 -61.7 300 69 319.7 319.7 288.7 319.8 0.03 21 227 10882 -62.9 -66.3 63 3.4 -62.9 300 68 321.3 321.3 289.2 321.4 0.02 22 205 11523 -56.5 -59.9 65 3.4 -56.6 300 55 340.9 340.9 294.6 341.1 0.06 23 200 11680 -56.5 -59.9 65 3.4 -56.6 300 52 343.3 343.3 295.1 343.5 0.06 24 163 12985 -52.1 -55.9 63 3.8 -52.2 296 42 371.4 371.4 300.9 371.9 0.12 25 150 13520 -52.5 -56.5 62 4.0 -52.7 295 38 379.6 379.6 302.3 380.2 0.12 26 100 16150 -51.9 -56.9 55 5.0 -52.2 310 31 427.4 427.5 308.7 428.4 0.17 27 80 17607 -49.1 -55.1 50 6.0 -49.7 310 27 461.4 461.5 312.0 462.9 0.27 28 70 18480 -51.1 -57.1 49 6.0 -51.7 310 25 475.1 475.1 313.2 476.5 0.24 29 69 18574 -51.3 -57.3 49 6.0 -51.9 310 25 476.6 476.7 313.3 478.0 0.24 30 50 20680 -49.9 -57.9 38 8.0 -51.0 300 15 525.9 526.0 316.8 527.9 0.31 31 49 20812 -49.9 -57.9 38 8.0 -51.0 528.9 529.0 317.0 531.0 0.31 TRP 227 10882 -62.9 -66.3 63 3.4 -62.9 300 68 321.3 321.3 289.2 321.4 0.02 WND 236 10641 -61.6 -65.1 63 3.5 -61.7 300 69 319.7 319.7 288.7 319.8 0.03 Sounding variables and indices 1000-500 mb thick: 5397.00 m Freezing level: 874.00 mb = 1250.84 m = 4103.74 ft Wetbulb zero: Below ground Precipitable water: 0.62 inches Sfc-500 mean rel hum: 80.36 % Est. max temperature: 12.60 C = 54.69 F Sfc-Lift cond lev (LCL): 991.83 mb = 229.08 m = 751.55 ft T: 1.68 C 700-500 lapse rate: 5.48 C/km ThetaE index: 0.13 C Layer 980.0- 952.0 mb Conv cond level (CCL): 744.24 mb = 2521.09 m = 8271.19 ft Mean mixing ratio: 3.32 g/kg Conv temperature: 19.13 C = 66.43 F Cap Strength: 13.77 C Lifted Index: 15.80 C Risk: None Lifted Index @300 mb: 20.71 C Lifted Index @700 mb: 8.97 C Showalter Index: 9.50 C Risk: None Total Totals Index: 41.20 C Risk: None Vertical Totals Index: 21.80 C Cross Totals Index: 19.40 C K Index: 16.60 Risk: < 20 % chance of thunderstorms Sweat Index: 187.35 Risk: None Energy Index: 2.71 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 40.73 J/kg Max Up Vert Vel: 9.03 m/s Conv Inhibition (B-): 32084.63 J/kg Cap Strength: 15.68 C Lift Cond Lev (LCL): 896.83 mb = 1042.63 m = 3420.66 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 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 1017 28 335 1 0.4 -0.9 | 129 19 -14.6 11.8 1 1000 163 355 5 0.4 -5.0 | 118 16 -14.5 7.7 2 925 793 170 5 -0.9 4.9 | 138 24 -15.8 17.6 3 850 1474 250 17 16.0 5.8 | 183 19 1.0 18.5 4 700 3004 275 23 22.9 -2.0 | 217 13 7.9 10.7 5 500 5560 290 48 45.1 -16.4 | 277 30 30.1 -3.7 6 400 7160 295 56 50.8 -23.7 | 287 37 35.8 -11.0 7 300 9110 295 62 56.2 -26.2 | 288 43 41.2 -13.5 8 250 10280 300 66 57.2 -33.0 | 296 47 42.2 -20.3 9 236 10641 300 69 59.8 -34.5 | 296 50 44.8 -21.8 10 227 10882 300 68 58.9 -34.0 | 296 49 43.9 -21.3 11 200 11680 300 52 45.0 -26.0 | 294 33 30.1 -13.3 12 150 13520 295 38 34.4 -16.1 | 280 20 19.5 -3.4 13 100 16150 310 31 23.7 -19.9 | 310 11 8.8 -7.2 14 70 18480 310 25 19.2 -16.1 | 309 5 4.2 -3.4 15 50 20680 300 15 13.0 -7.5 | 159 6 -2.0 5.2 Wind Parameters Mean winds (0-6000m): 280.3 at 26.2 knts Storm direction: 310.3 at 19.6 knts Shear (0-3000m) pos: 3.9 neg: 0.0 tot: 3.9 10-3/s Storm rel Dir Shear (0-3000m): 88.6 deg Storm rel helicity (0-3000m) pos: 205.6 neg: -18.6 tot: 187.0 m^2/s^2 ave: 62.3 10^-3 m/s^2 rel: 0.66 Storm rel vorticity (0-3000m) horiz: 8.4 stream: 5.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 0.39 Bulk Shear: 104.78 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 32 4 117 20| 5.7 0.0 5.7| 17.8 -18.6 -0.8 -1.6 -0.08| 12.6 -1.0 1000 187 5 141 23| 5.1 0.0 5.1| 90.9 -18.6 72.3 72.3 0.43| 12.3 5.3 1500 239 8 154 19| 5.9 0.0 5.9|167.4 -18.6 148.8 99.2 0.61| 13.2 8.0 2000 248 10 162 17| 4.9 0.0 4.9|180.6 -18.6 162.0 81.0 0.63| 10.7 6.7 2500 254 12 169 16| 4.3 0.0 4.3|193.2 -18.6 174.7 69.9 0.65| 9.3 6.0 3000 260 14 176 15| 3.9 0.0 3.9|205.6 -18.6 187.0 62.3 0.66| 8.4 5.6 4000 268 17 191 14| 4.2 0.0 4.2|241.6 -18.6 223.1 55.8 0.70| 7.6 5.3 5000 275 22 212 13| 4.3 0.0 4.3|285.2 -18.6 266.7 53.3 0.70| 7.2 5.0 6000 280 26 233 13| 4.3 0.0 4.3|327.4 -18.6 308.8 51.5 0.69| 6.7 4.6 Wrote GIF file: /home/apache/climate/data/raob//U2217/skewt/U2217.skewt.20250417.00.gif