UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042200.upa.cvt Date: 0000Z 22 APR 25 Searching for U3921... Searching the city database file for: U3921 ... Date:0000Z 22 APR 25 Station: U3921 WMO ident: 23921 Latitude: 60.68 Longitude: 60.43 ------------------------------------------------------------------------------- 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 79 315 1 SFC 998 95 2.8 -4.2 60 7.0 0.1 315 1 276.1 276.6 273.4 283.9 2.80 2 967 351 3.8 -8.2 41 12.0 -0.5 294 8 279.6 280.0 274.4 285.7 2.13 3 950 496 4.0 -4.0 56 8.0 0.8 283 11 281.2 281.8 276.5 289.7 2.99 4 925 712 2.8 -0.7 78 3.5 1.3 265 17 282.2 282.8 278.2 293.2 3.92 5 921 747 2.4 -0.7 80 3.1 1.1 266 18 282.1 282.8 278.2 293.2 3.94 6 861 1289 0.0 -1.8 88 1.8 -0.8 278 32 285.1 285.8 279.6 296.1 3.89 7 850 1392 1.2 -0.2 90 1.4 0.5 280 35 287.4 288.2 281.4 300.1 4.43 8 841 1478 1.6 0.2 90 1.4 1.0 280 36 288.7 289.5 282.1 301.9 4.61 9 786 2020 -0.9 -7.9 59 7.0 -3.6 282 43 291.7 292.1 281.1 299.6 2.68 10 730 2609 -1.9 -7.9 63 6.0 -4.3 284 51 296.8 297.3 283.6 305.5 2.89 11 700 2942 -3.9 -9.9 63 6.0 -6.1 285 56 298.2 298.6 283.8 306.0 2.57 12 506 5422 -21.1 -25.5 68 4.4 -22.0 275 54 306.3 306.4 285.1 309.4 0.95 13 500 5510 -21.7 -26.2 67 4.5 -22.6 275 54 306.6 306.7 285.1 309.6 0.90 14 486 5718 -22.9 -27.9 64 5.0 -23.8 275 55 307.6 307.8 285.4 310.3 0.79 15 400 7110 -33.9 -38.7 62 4.8 -34.4 275 62 310.9 311.0 286.1 312.1 0.34 16 300 9050 -51.1 -57.1 49 6.0 -51.2 275 64 313.3 313.3 286.6 313.5 0.06 17 265 9845 -57.5 -63.5 46 6.0 -57.6 275 68 315.3 315.3 287.2 315.4 0.03 18 250 10210 -60.5 -66.5 45 6.0 -60.6 275 68 316.1 316.1 287.5 316.2 0.02 19 242 10411 -62.3 -68.3 44 6.0 -62.4 275 66 316.4 316.4 287.6 316.4 0.02 20 228 10779 -59.9 -65.9 45 6.0 -60.0 275 62 325.5 325.5 290.5 325.6 0.02 21 200 11600 -56.3 -62.3 47 6.0 -56.4 275 54 343.6 343.6 295.2 343.8 0.04 22 163 12919 -51.3 -58.3 43 7.0 -51.6 282 44 372.7 372.7 301.1 373.1 0.09 23 150 13460 -52.3 -60.3 38 8.0 -52.6 285 40 380.0 380.0 302.3 380.3 0.08 24 136 14092 -52.3 -61.3 33 9.0 -52.7 287 40 390.8 390.8 303.9 391.1 0.07 25 116 15108 -57.1 -67.1 27 10.0 -57.3 291 41 400.1 400.1 305.2 400.3 0.04 26 100 16050 -55.1 -67.1 21 12.0 -55.5 295 42 421.3 421.3 307.9 421.5 0.05 27 80 17471 -54.7 -67.7 19 13.0 -55.3 295 33 449.9 449.9 310.8 450.1 0.05 28 70 18320 -56.3 -70.3 16 14.0 -56.9 295 27 463.9 464.0 312.1 464.2 0.04 29 66 18693 -57.7 -71.7 15 14.0 -58.2 298 27 468.8 468.8 312.5 469.0 0.04 30 50 20450 -57.1 -73.1 11 16.0 -57.8 315 25 508.9 508.9 315.6 509.2 0.04 31 30 23660 -59.7 -79.7 6 20.0 -60.6 320 19 581.9 581.9 319.8 582.0 0.02 32 21 25885 -59.9 -82.9 3 23.0 -61.2 324 24 643.8 643.8 322.4 643.9 0.02 33 20 26190 -58.7 -81.7 4 23.0 -60.2 325 25 656.5 656.5 322.9 656.7 0.03 34 10 30680 -45.3 -71.3 4 26.0 -52.5 850.5 850.6 328.5 853.1 0.25 TRP 242 10411 -62.3 -68.3 44 6.0 -62.4 275 66 316.4 316.4 287.6 316.4 0.02 WND 265 9845 -57.5 -63.5 46 6.0 -57.6 275 68 315.3 315.3 287.2 315.4 0.03 Sounding variables and indices 1000-500 mb thick: 5431.00 m Freezing level: 805.80 mb = 1824.98 m = 5987.39 ft Wetbulb zero: 991.41 mb = 148.96 m = 488.70 ft Precipitable water: 0.57 inches Sfc-500 mean rel hum: 67.38 % Est. max temperature: 14.37 C = 57.87 F Sfc-Lift cond lev (LCL): 895.14 mb = 976.09 m = 3202.37 ft T: 1.39 C 700-500 lapse rate: 6.93 C/km ThetaE index: 2.31 C Layer 786.0- 730.0 mb Conv cond level (CCL): 642.03 mb = 3602.59 m = 11819.39 ft Mean mixing ratio: 3.14 g/kg Conv temperature: 27.11 C = 80.79 F Cap Strength: 14.80 C Lifted Index: 14.96 C Risk: None Lifted Index @300 mb: 16.97 C Lifted Index @700 mb: 12.08 C Showalter Index: 7.23 C Risk: None Total Totals Index: 44.40 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 22.90 C Cross Totals Index: 21.50 C K Index: 16.70 Risk: < 20 % chance of thunderstorms Sweat Index: 124.00 Risk: None Energy Index: 1.99 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 25.55 J/kg Max Up Vert Vel: 7.15 m/s Conv Inhibition (B-): 59754.78 J/kg Cap Strength: 14.81 C Lift Cond Lev (LCL): 856.15 mb = 1334.14 m = 4377.04 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 310 at 34 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 ---------------------------------------------------------- 0 998 95 315 1 0.7 -0.7 | 130 33 -25.2 20.8 1 925 712 265 17 16.9 1.5 | 159 25 -9.0 23.0 2 850 1392 280 35 34.5 -6.1 | 209 18 8.6 15.4 3 700 2942 285 56 54.1 -14.5 | 256 29 28.2 7.0 4 500 5510 275 54 53.8 -4.7 | 239 33 27.9 16.8 5 400 7110 275 62 61.8 -5.4 | 246 39 35.9 16.1 6 300 9050 275 64 63.8 -5.6 | 247 41 37.8 15.9 7 265 9845 275 68 67.7 -5.9 | 250 45 41.8 15.6 8 250 10210 275 68 67.7 -5.9 | 250 45 41.8 15.6 9 242 10411 275 66 65.7 -5.8 | 248 43 39.8 15.7 10 200 11600 275 54 53.8 -4.7 | 239 33 27.9 16.8 11 150 13460 285 40 38.6 -10.4 | 229 17 12.7 11.1 12 100 16050 295 42 38.1 -17.7 | 253 13 12.2 3.7 13 70 18320 295 27 24.5 -11.4 | 172 10 -1.4 10.1 14 50 20450 315 25 17.7 -17.7 | 115 9 -8.2 3.8 15 30 23660 320 19 12.2 -14.6 | 117 15 -13.7 6.9 16 20 26190 325 25 14.3 -20.5 | 95 12 -11.6 1.0 Wind Parameters Mean winds (0-6000m): 279.7 at 44.9 knts Storm direction: 309.7 at 33.7 knts Shear (0-3000m) pos: 5.1 neg: 4.5 tot: 9.6 10-3/s Storm rel Dir Shear (0-3000m): 125.4 deg Storm rel helicity (0-3000m) pos: 281.4 neg: -2.9 tot: 278.6 m^2/s^2 ave: 92.9 10^-3 m/s^2 rel: 0.81 Storm rel vorticity (0-3000m) horiz: 10.1 stream: 8.2 10^-3/s Energy-Hel index: 0.04 Bulk Rich Number: 0.14 Bulk Shear: 187.99 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 ------------------------------------------------------------------------------- 500 267 7 140 29| 0.0 13.6 13.6| 59.9 0.0 59.9 119.9 0.63| 14.6 9.1 1000 269 14 151 25| 0.0 13.6 13.6|139.6 0.0 139.6 139.6 0.78| 14.7 11.4 1500 275 20 164 21| 3.9 9.1 12.9|193.2 0.0 193.2 128.8 0.83| 13.7 11.4 2000 278 25 178 18| 4.7 6.8 11.5|225.2 0.0 225.2 112.6 0.84| 12.1 10.1 2500 280 30 193 17| 5.2 5.4 10.6|258.6 0.0 258.6 103.5 0.83| 11.1 9.2 3000 281 34 207 17| 5.1 4.5 9.6|281.4 -2.9 278.6 92.9 0.81| 10.1 8.2 4000 282 39 223 19| 3.8 3.4 7.2|281.4 -31.5 249.9 62.5 0.70| 8.1 5.7 5000 281 43 230 21| 3.1 2.8 5.8|281.4 -60.6 220.8 44.2 0.61| 6.9 4.2 6000 280 45 233 23| 2.5 2.6 5.1|295.8 -72.3 223.5 37.2 0.57| 6.1 3.5 Wrote GIF file: /home/apache/climate/data/raob//U3921/skewt/U3921.skewt.20250422.00.gif