UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025043000.upa.cvt Date: 0000Z 30 APR 25 Searching for U4641... Searching the city database file for: U4641 ... Date:0000Z 30 APR 25 Station: U4641 WMO ident: 24641 Latitude: 63.77 Longitude: 121.62 ------------------------------------------------------------------------------- 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 1005 108 1.6 -6.4 55 8.0 -1.2 230 3 274.4 274.8 271.6 280.9 2.35 1 1000 148 1.2 -8.8 47 10.0 -2.1 240 3 274.4 274.7 271.0 279.8 1.96 2 964 443 1.8 -17.2 23 19.0 -3.5 261 7 277.8 278.0 271.6 280.9 1.03 3 955 519 1.0 -19.0 21 20.0 -4.3 267 8 277.8 277.9 271.4 280.4 0.89 4 925 774 -1.3 -18.3 26 17.0 -5.7 285 11 278.0 278.1 271.6 280.9 0.98 5 850 1441 -6.7 -17.7 41 11.0 -9.5 275 13 279.1 279.3 272.5 282.4 1.12 6 755 2352 -14.3 -22.3 51 8.0 -15.9 306 12 280.5 280.7 272.9 283.0 0.85 7 716 2755 -14.1 -18.3 70 4.2 -15.1 319 11 285.0 285.2 276.0 288.8 1.26 8 700 2926 -13.9 -17.9 72 4.0 -14.9 325 11 287.1 287.3 277.2 291.1 1.33 9 680 3147 -14.5 -18.5 72 4.0 -15.4 327 15 288.8 289.0 278.0 292.8 1.31 10 554 4674 -24.3 -28.1 71 3.8 -24.9 342 40 294.6 294.8 279.9 296.8 0.68 11 552 4701 -24.3 -28.1 71 3.8 -24.9 343 40 294.9 295.1 280.1 297.1 0.68 12 510 5277 -26.3 -37.3 35 11.0 -27.5 349 50 299.3 299.3 281.4 300.3 0.30 13 500 5420 -26.9 -37.9 35 11.0 -28.1 350 52 300.2 300.3 281.8 301.2 0.29 14 483 5669 -27.3 -37.3 38 10.0 -28.4 352 55 302.7 302.8 283.0 303.8 0.32 15 456 6079 -30.9 -40.9 37 10.0 -31.8 354 60 303.2 303.3 283.0 304.1 0.23 16 418 6693 -32.9 -38.9 55 6.0 -33.5 358 67 308.3 308.4 285.1 309.4 0.32 17 406 6896 -35.1 -41.1 54 6.0 -35.6 359 70 308.1 308.1 284.9 309.0 0.26 18 400 7000 -35.3 -41.3 54 6.0 -35.8 360 71 309.1 309.2 285.3 310.0 0.26 19 330 8311 -45.1 -51.7 47 6.7 -45.3 360 77 313.2 313.2 286.6 313.6 0.10 20 300 8940 -49.9 -56.9 44 7.0 -50.1 5 75 315.0 315.0 287.2 315.2 0.06 21 283 9317 -53.3 -59.3 48 6.0 -53.4 3 74 315.4 315.4 287.3 315.6 0.05 22 264 9762 -54.7 -61.7 42 7.0 -54.8 360 73 319.7 319.7 288.7 319.9 0.04 23 252 10059 -54.5 -61.5 42 7.0 -54.6 360 69 324.3 324.3 290.1 324.5 0.04 24 250 10110 -54.1 -61.1 42 7.0 -54.2 360 68 325.6 325.6 290.5 325.8 0.04 25 221 10904 -51.5 -60.5 33 9.0 -51.7 357 48 341.3 341.3 294.7 341.5 0.05 26 200 11550 -52.1 -63.1 25 11.0 -52.4 355 31 350.3 350.3 296.7 350.4 0.04 27 150 13420 -50.7 -68.7 10 18.0 -51.2 350 21 382.7 382.7 302.7 382.8 0.02 28 100 16050 -51.7 -74.7 5 23.0 -52.4 10 17 427.8 427.8 308.6 427.9 0.02 29 70 18370 -51.3 -75.3 4 24.0 -52.4 360 9 474.6 474.6 313.0 474.8 0.02 30 50 20550 -50.5 -74.5 4 24.0 -52.1 30 11 524.5 524.5 316.6 524.7 0.03 31 45 21237 -50.5 -74.5 4 24.0 -52.2 35 9 540.5 540.5 317.6 540.7 0.04 32 42 21684 -53.1 -77.1 4 24.0 -54.5 39 8 544.8 544.9 317.8 545.0 0.03 33 38 22332 -50.5 -74.5 4 24.0 -52.5 43 7 567.3 567.3 319.0 567.6 0.04 34 30 23870 -51.3 -75.3 4 24.0 -53.5 55 3 604.8 604.8 320.9 605.1 0.05 35 29 24090 -51.9 -75.9 4 24.0 -54.1 50 3 609.0 609.0 321.0 609.4 0.04 36 20 26520 -48.3 -73.3 4 25.0 -52.2 355 5 688.3 688.4 324.1 689.1 0.09 37 14 28882 -45.9 -71.9 4 26.0 -51.7 770.4 770.5 326.5 772.0 0.17 TRP 264 9762 -54.7 -61.7 42 7.0 -54.8 360 73 319.7 319.7 288.7 319.9 0.04 WND 330 8311 -45.1 -51.7 47 6.7 -45.3 360 77 313.2 313.2 286.6 313.6 0.10 Sounding variables and indices 1000-500 mb thick: 5272.00 m Freezing level: 941.96 mb = 629.65 m = 2065.77 ft Wetbulb zero: Below ground Precipitable water: 0.23 inches Sfc-500 mean rel hum: 53.54 % Est. max temperature: 6.30 C = 43.34 F Sfc-Lift cond lev (LCL): 887.10 mb = 1103.99 m = 3621.96 ft T: -3.97 C 700-500 lapse rate: 5.21 C/km ThetaE index: 1.04 C Layer 1000.0- 964.0 mb Conv cond level (CCL): 592.88 mb = 4168.55 m = 13676.17 ft Mean mixing ratio: 1.20 g/kg Conv temperature: 20.02 C = 68.03 F Cap Strength: 15.87 C Lifted Index: 16.53 C Risk: None Lifted Index @300 mb: 24.38 C Lifted Index @700 mb: 8.29 C Showalter Index: 15.15 C Risk: None Total Totals Index: 29.40 C Risk: None Vertical Totals Index: 20.20 C Cross Totals Index: 9.20 C K Index: -1.50 Risk: None Sweat Index: 78.00 Risk: None Energy Index: 3.94 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 14.96 J/kg Max Up Vert Vel: 5.47 m/s Conv Inhibition (B-): 69241.89 J/kg Cap Strength: 16.20 C Lift Cond Lev (LCL): 744.75 mb = 2456.01 m = 8057.68 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 8 at 19 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 1005 108 230 3 2.3 1.9 | 193 21 4.9 20.4 1 1000 148 240 3 2.6 1.5 | 194 21 5.2 20.0 2 925 774 285 11 10.6 -2.8 | 220 20 13.2 15.6 3 850 1441 275 13 13.0 -1.1 | 222 23 15.5 17.3 4 700 2926 325 11 6.3 -9.0 | 223 13 8.9 9.5 5 500 5420 350 52 9.0 -51.2 | 341 35 11.6 -32.7 6 400 7000 360 71 -0.0 -71.0 | 357 53 2.6 -52.5 7 330 8311 360 77 -0.0 -77.0 | 357 59 2.6 -58.5 8 300 8940 5 75 -6.5 -74.7 | 4 56 -4.0 -56.2 9 264 9762 360 73 -0.0 -73.0 | 357 55 2.6 -54.5 10 250 10110 360 68 -0.0 -68.0 | 357 50 2.6 -49.5 11 200 11550 355 31 2.7 -30.9 | 337 13 5.3 -12.4 12 150 13420 350 21 3.6 -20.7 | 290 7 6.2 -2.2 13 100 16050 10 17 -3.0 -16.7 | 167 2 -0.4 1.7 14 70 18370 360 9 -0.0 -9.0 | 195 10 2.6 9.5 15 50 20550 30 11 -5.5 -9.5 | 162 9 -2.9 8.9 16 30 23870 55 3 -2.5 -1.7 | 180 17 0.1 16.7 17 20 26520 355 5 0.4 -5.0 | 193 14 3.0 13.5 Wind Parameters Mean winds (0-6000m): 337.9 at 24.9 knts Storm direction: 7.9 at 18.6 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 43.1 deg Storm rel helicity (0-3000m) pos: 77.9 neg: -2.7 tot: 75.1 m^2/s^2 ave: 25.0 10^-3 m/s^2 rel: 0.55 Storm rel vorticity (0-3000m) horiz: 4.5 stream: 2.5 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.20 Bulk Shear: 75.88 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 ------------------------------------------------------------------------------- 500 264 6 203 21| 7.2 0.0 7.2| 40.0 0.0 40.0 79.9 0.99| 7.4 7.3 1000 278 8 212 20| 5.3 0.0 5.3| 57.9 0.0 57.9 57.9 0.90| 5.9 5.3 1500 278 10 216 21| 3.8 0.0 3.8| 62.4 0.0 62.4 41.6 0.80| 4.8 3.8 2000 281 10 218 21| 2.9 0.0 2.9| 67.7 0.0 67.7 33.9 0.68| 4.5 3.1 2500 286 11 220 20| 2.4 0.0 2.4| 68.2 -0.6 67.6 27.0 0.57| 4.4 2.5 3000 292 11 221 19| 2.5 0.0 2.5| 77.9 -2.7 75.1 25.0 0.55| 4.5 2.5 4000 309 14 233 16| 4.0 0.0 4.0|133.8 -2.7 131.1 32.8 0.69| 5.5 3.9 5000 327 19 258 13| 5.0 0.0 5.0|209.5 -2.7 206.8 41.4 0.69| 6.3 4.3 6000 338 25 291 13| 5.3 0.0 5.3|294.9 -2.7 292.2 48.7 0.67| 6.5 4.4 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20250430.00.gif