UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101612.upa.cvt Date: 1200Z 16 OCT 25 Searching for U4641... Searching the city database file for: U4641 ... Date:1200Z 16 OCT 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 1020 115 -4.3 -6.3 86 2.0 -5.0 245 1 267.3 267.7 267.1 273.6 2.33 1 1000 271 -5.1 -8.5 77 3.4 -6.1 305 3 268.0 268.4 267.0 273.5 2.01 2 925 878 -9.3 -11.2 86 1.9 -9.8 310 13 269.8 270.1 267.8 274.6 1.75 3 918 937 -9.9 -11.8 86 1.9 -10.4 311 13 269.8 270.0 267.6 274.4 1.68 4 915 962 -7.1 -8.9 87 1.8 -7.7 312 13 272.9 273.2 270.4 278.8 2.13 5 879 1274 -8.5 -9.7 91 1.2 -8.9 319 12 274.6 274.9 271.4 280.4 2.08 6 863 1417 -8.9 -11.1 84 2.2 -9.5 322 11 275.6 275.9 271.7 281.0 1.89 7 850 1534 -10.3 -13.3 79 3.0 -11.1 325 11 275.4 275.6 271.1 279.9 1.61 8 832 1698 -12.1 -17.0 67 4.9 -13.2 327 11 275.1 275.4 270.3 278.6 1.21 9 772 2272 -11.1 -21.1 43 10.0 -13.3 332 13 282.2 282.3 274.0 284.9 0.92 10 752 2473 -12.3 -25.3 33 13.0 -14.8 334 14 283.0 283.1 274.0 285.0 0.65 11 700 3017 -15.5 -27.5 35 12.0 -17.6 340 15 285.3 285.4 275.2 287.1 0.57 12 683 3202 -16.7 -26.7 42 10.0 -18.4 337 14 286.0 286.1 275.6 288.0 0.63 13 640 3688 -18.5 -22.5 71 4.0 -19.3 328 12 289.3 289.5 277.8 292.3 0.98 14 634 3758 -18.9 -23.1 69 4.2 -19.7 327 12 289.6 289.8 277.9 292.6 0.94 15 500 5480 -31.9 -36.3 65 4.4 -32.3 295 5 294.1 294.2 279.2 295.3 0.34 16 400 7020 -43.1 -48.1 58 5.0 -43.3 5 15 299.0 299.0 281.1 299.4 0.12 17 300 8900 -56.7 -62.7 47 6.0 -56.8 5 23 305.4 305.4 283.6 305.5 0.03 18 294 9028 -57.9 -63.9 46 6.0 -58.0 5 24 305.5 305.5 283.6 305.6 0.02 19 263 9725 -61.7 -67.7 45 6.0 -61.7 5 27 309.8 309.8 285.2 309.9 0.02 20 260 9797 -61.7 -67.7 45 6.0 -61.7 6 27 310.8 310.8 285.7 310.9 0.02 21 250 10040 -61.3 -68.3 39 7.0 -61.4 10 27 314.9 314.9 287.1 315.0 0.02 22 222 10782 -59.7 -66.7 40 7.0 -59.8 21 22 328.3 328.3 291.2 328.4 0.02 23 200 11440 -57.5 -64.5 41 7.0 -57.6 30 17 341.7 341.7 294.8 341.8 0.03 24 150 13260 -55.7 -64.7 32 9.0 -55.9 30 11 374.1 374.1 301.3 374.3 0.04 25 136 13884 -55.3 -64.3 32 9.0 -55.6 31 10 385.4 385.5 303.1 385.7 0.05 26 100 15840 -56.1 -68.1 21 12.0 -56.5 35 7 419.3 419.3 307.7 419.5 0.04 27 85 16872 -57.1 -70.1 18 13.0 -57.5 42 5 437.3 437.3 309.6 437.5 0.04 28 70 18100 -57.7 -72.7 13 15.0 -58.2 50 3 460.9 461.0 311.8 461.1 0.03 29 60 19070 -57.9 -73.9 11 16.0 -58.5 6 4 481.3 481.3 313.5 481.4 0.03 30 50 20220 -57.1 -74.1 10 17.0 -57.8 315 5 508.9 508.9 315.6 509.1 0.03 31 30 23480 -53.7 -73.7 7 20.0 -55.4 230 13 598.2 598.3 320.6 598.7 0.06 32 28 23923 -54.3 -74.3 7 20.0 -56.0 608.5 608.5 321.0 608.9 0.06 33 21 25785 -50.1 -72.1 6 22.0 -53.2 673.4 673.4 323.6 674.3 0.11 TRP 263 9725 -61.7 -67.7 45 6.0 -61.7 5 27 309.8 309.8 285.2 309.9 0.02 WND Sounding variables and indices 1000-500 mb thick: 5209.00 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.26 inches Sfc-500 mean rel hum: 64.02 % Est. max temperature: 3.58 C = 38.45 F Sfc-Lift cond lev (LCL): 988.17 mb = 363.67 m = 1193.12 ft T: -5.74 C 700-500 lapse rate: 6.66 C/km ThetaE index: 2.33 C Layer 850.0- 772.0 mb Conv cond level (CCL): 840.72 mb = 1618.25 m = 5309.17 ft Mean mixing ratio: 1.93 g/kg Conv temperature: 3.66 C = 38.59 F Cap Strength: 14.65 C Lifted Index: 16.77 C Risk: None Lifted Index @300 mb: 22.26 C Lifted Index @700 mb: 11.78 C Showalter Index: 12.08 C Risk: None Total Totals Index: 40.20 C Risk: None Vertical Totals Index: 21.60 C Cross Totals Index: 18.60 C K Index: -3.70 Risk: None Sweat Index: 27.00 Risk: None Energy Index: 3.26 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 5.95 J/kg Max Up Vert Vel: 3.45 m/s Conv Inhibition (B-): 49358.62 J/kg Cap Strength: 16.63 C Lift Cond Lev (LCL): 929.52 mb = 840.09 m = 2756.16 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 356 at 8 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 1020 115 245 1 0.9 0.4 | 183 8 0.4 8.1 1 1000 271 305 3 2.5 -1.7 | 198 6 1.9 5.9 2 925 878 310 13 10.0 -8.4 | 274 9 9.4 -0.7 3 850 1534 325 11 6.3 -9.0 | 283 6 5.8 -1.4 4 700 3017 340 15 5.1 -14.1 | 324 8 4.6 -6.4 5 500 5480 295 5 4.5 -2.1 | 216 7 4.0 5.5 6 400 7020 5 15 -1.3 -14.9 | 14 8 -1.8 -7.3 7 300 8900 5 23 -2.0 -22.9 | 9 15 -2.5 -15.3 8 263 9725 5 27 -2.4 -26.9 | 8 19 -2.9 -19.2 9 250 10040 10 27 -4.7 -26.6 | 15 20 -5.2 -18.9 10 200 11440 30 17 -8.5 -14.7 | 52 11 -9.0 -7.1 11 150 13260 30 11 -5.5 -9.5 | 73 6 -6.0 -1.9 12 100 15840 35 7 -4.0 -5.7 | 113 5 -4.5 1.9 13 70 18100 50 3 -2.3 -1.9 | 154 6 -2.8 5.7 14 50 20220 315 5 3.5 -3.5 | 216 5 3.0 4.1 15 30 23480 230 13 10.0 8.4 | 211 19 9.4 16.0 Wind Parameters Mean winds (0-6000m): 326.2 at 10.2 knts Storm direction: 356.2 at 7.7 knts Shear (0-3000m) pos: 2.5 neg: 0.0 tot: 2.5 10-3/s Storm rel Dir Shear (0-3000m): 137.4 deg Storm rel helicity (0-3000m) pos: 31.2 neg: -1.1 tot: 30.0 m^2/s^2 ave: 10.0 10^-3 m/s^2 rel: 0.75 Storm rel vorticity (0-3000m) horiz: 3.8 stream: 2.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 1.19 Bulk Shear: 4.98 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 ------------------------------------------------------------------------------- 500 305 5 213 6| 8.5 0.0 8.5| 12.9 0.0 12.9 25.9 0.90| 8.7 7.8 1000 310 8 247 6| 6.2 0.0 6.2| 21.2 0.0 21.2 21.2 0.83| 7.1 5.9 1500 314 9 259 6| 3.8 0.0 3.8| 22.9 0.0 22.9 15.3 0.76| 5.6 4.3 2000 318 10 268 6| 3.2 0.0 3.2| 25.6 0.0 25.6 12.8 0.78| 4.7 3.6 2500 322 11 277 6| 2.9 0.0 2.9| 28.5 0.0 28.5 11.4 0.79| 4.1 3.2 3000 326 11 286 6| 2.5 0.0 2.5| 31.2 -1.1 30.0 10.0 0.75| 3.8 2.8 4000 327 12 290 6| 1.9 0.7 2.6| 31.2 -11.1 20.1 5.0 0.39| 3.6 1.4 5000 327 11 286 6| 1.5 1.0 2.6| 31.2 -19.2 11.9 2.4 0.19| 3.4 0.6 6000 326 10 279 5| 1.6 0.9 2.5| 38.5 -21.6 16.9 2.8 0.24| 3.4 0.8 Wrote GIF file: /home/apache/climate/data/raob//U4641/skewt/U4641.skewt.20251016.12.gif