UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025122212.upa.cvt Date: 1200Z 22 DEC 25 Searching for NSTU... Searching the city database file for: NSTU ... Date:1200Z 22 DEC 25 Station: NSTU WMO ident: 91765 Latitude: -14.33 Longitude: -170.72 Elevation: 3.00 ------------------------------------------------------------------------------- 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 1011 3 26.8 24.9 89 1.9 25.4 315 4 299.0 302.7 298.2 357.4 19.98 1 1006 46 27.2 23.8 82 3.4 24.7 317 4 299.8 303.3 297.7 354.8 18.76 2 1002 81 27.0 23.3 80 3.7 24.3 319 5 300.0 303.3 297.4 353.5 18.26 3 1000 98 27.0 23.5 81 3.5 24.5 320 5 300.1 303.5 297.6 354.5 18.53 4 979 286 25.2 23.2 89 2.0 23.8 338 10 300.2 303.6 297.6 354.7 18.59 5 965 413 24.8 21.4 81 3.4 22.3 347 10 301.0 304.1 296.7 350.6 16.86 6 946 588 23.6 22.0 91 1.6 22.5 359 10 301.5 304.8 297.5 354.2 17.87 7 927 766 22.4 20.4 88 2.0 21.0 356 11 302.0 305.1 296.8 350.7 16.49 8 925 785 22.4 20.1 87 2.3 20.8 355 11 302.2 305.2 296.7 350.1 16.22 9 911 918 22.4 19.0 81 3.4 20.0 5 10 303.5 306.4 296.4 349.1 15.36 10 850 1519 18.2 17.0 93 1.2 17.4 345 7 305.2 307.9 296.3 348.5 14.49 11 832 1702 16.8 16.4 97 0.4 16.5 320 6 305.6 308.3 296.3 348.3 14.25 12 822 1806 17.8 14.3 80 3.5 15.4 306 6 307.7 310.1 295.7 345.7 12.57 13 812 1911 17.8 13.1 74 4.7 14.7 291 5 308.8 311.0 295.4 344.5 11.75 14 799 2049 16.8 12.4 75 4.4 13.9 272 4 309.2 311.3 295.3 343.8 11.40 15 775 2309 15.8 8.8 63 7.0 11.4 256 6 310.8 312.5 294.1 339.1 9.21 16 735 2759 13.2 6.2 62 7.0 9.0 245 10 312.7 314.3 293.8 337.9 8.12 17 733 2782 13.2 6.2 62 7.0 9.0 245 10 313.0 314.5 293.9 338.2 8.14 18 700 3168 9.8 7.0 83 2.8 8.1 250 12 313.3 315.1 294.6 341.3 9.02 19 678 3433 8.2 4.6 78 3.6 6.1 253 14 314.4 315.9 294.1 339.0 7.87 20 624 4113 3.4 2.6 94 0.8 2.9 269 10 316.5 317.9 294.3 339.9 7.42 21 607 4337 2.6 0.8 88 1.8 1.6 289 8 318.1 319.4 294.1 339.4 6.70 22 586 4620 0.0 0.0 100 0.0 0.0 358 10 318.3 319.5 294.1 339.1 6.55 23 571 4828 -1.1 -2.2 92 1.1 -1.7 340 12 319.3 320.4 293.7 337.7 5.71 24 544 5213 -2.9 -3.4 96 0.5 -3.1 353 13 321.7 322.7 294.2 339.4 5.48 25 541 5257 -2.7 -3.6 94 0.9 -3.1 349 13 322.4 323.5 294.3 340.1 5.43 26 519 5586 -3.9 -5.1 91 1.2 -4.5 327 12 324.8 325.8 294.7 341.4 5.05 27 500 5880 -5.5 -5.5 100 0.0 -5.5 285 3 326.3 327.3 295.1 343.2 5.09 28 468 6399 -7.9 -8.3 97 0.4 -8.1 215 4 329.6 330.5 295.4 344.3 4.37 29 400 7610 -14.7 -15.8 91 1.1 -15.1 220 9 335.9 336.5 295.7 345.7 2.79 30 389 7820 -15.9 -17.1 90 1.2 -16.3 230 11 337.0 337.5 295.8 346.1 2.57 31 383 7936 -16.9 -17.6 94 0.7 -17.1 235 12 337.2 337.7 295.7 346.1 2.51 32 334 8947 -23.7 -26.5 78 2.8 -24.4 244 10 341.3 341.6 295.8 346.2 1.31 33 311 9463 -27.5 -30.2 78 2.7 -28.0 241 8 343.1 343.3 295.9 346.8 1.00 34 307 9555 -28.1 -30.8 78 2.7 -28.6 241 8 343.5 343.7 296.0 347.1 0.96 35 300 9720 -29.5 -32.1 78 2.6 -30.0 240 7 343.8 344.0 296.0 347.1 0.86 36 269 10493 -35.5 -37.5 82 2.0 -35.8 243 8 346.0 346.1 296.2 348.2 0.57 37 262 10676 -37.1 -40.1 74 3.0 -37.5 244 8 346.2 346.3 296.2 348.0 0.44 38 254 10891 -38.9 -40.8 82 1.9 -39.1 245 8 346.7 346.7 296.3 348.3 0.43 39 250 11000 -39.9 -42.8 74 2.9 -40.2 245 8 346.7 346.8 296.2 348.2 0.35 40 248 11055 -40.3 -43.7 70 3.4 -40.6 245 8 346.9 347.0 296.3 348.2 0.32 41 239 11305 -42.7 -44.9 79 2.2 -42.9 243 9 347.0 347.1 296.3 348.2 0.29 42 230 11563 -44.9 -49.0 63 4.1 -45.2 242 9 347.5 347.5 296.3 348.3 0.19 43 227 11650 -45.5 -51.5 51 6.0 -45.9 241 9 347.9 347.9 296.3 348.5 0.15 44 211 12133 -49.7 -53.4 65 3.7 -49.8 234 7 348.7 348.7 296.4 349.2 0.13 45 207 12257 -50.9 -55.3 59 4.4 -51.1 231 6 348.7 348.7 296.4 349.2 0.10 46 202 12416 -52.3 -60.3 38 8.0 -52.5 227 4 349.0 349.0 296.4 349.2 0.06 47 200 12480 -52.9 -60.9 37 8.0 -53.1 225 3 349.0 349.0 296.4 349.2 0.05 48 197 12577 -53.7 -58.5 56 4.8 -53.8 244 3 349.2 349.3 296.5 349.5 0.07 49 183 13044 -58.1 -61.5 65 3.4 -58.2 335 2 349.5 349.5 296.5 349.8 0.05 50 168 13575 -62.9 -67.3 55 4.4 -63.0 331 8 350.2 350.2 296.7 350.3 0.03 51 158 13948 -66.3 -70.3 57 4.0 -66.3 317 10 350.6 350.6 296.8 350.7 0.02 52 150 14260 -68.9 -74.9 42 6.0 -68.9 305 9 351.4 351.4 297.0 351.4 0.01 53 148 14340 -69.5 -76.5 35 7.0 -69.5 303 10 351.7 351.7 297.0 351.7 0.01 54 141 14628 -72.1 -77.1 47 5.0 -72.1 295 13 352.1 352.1 297.1 352.1 0.01 55 128 15194 -75.3 -81.3 39 6.0 -75.3 290 21 356.2 356.2 298.0 356.2 0.00 56 126 15285 -75.7 -81.7 38 6.0 -75.7 286 22 357.1 357.1 298.1 357.1 0.00 57 124 15378 -74.9 -81.9 33 7.0 -74.9 282 23 360.2 360.2 298.7 360.2 0.00 58 100 16610 -80.9 -88.9 25 8.0 -80.9 290 12 371.4 371.4 300.8 371.4 0.00 59 94 16957 -81.3 -91.3 17 10.0 -81.3 336 10 377.3 377.3 301.8 377.3 0.00 60 87 17387 -84.7 -91.7 28 7.0 -84.7 70 4 378.9 378.9 302.1 378.9 0.00 61 85 17517 -80.5 -89.5 21 9.0 -80.5 68 7 389.9 389.9 303.8 389.9 0.00 62 81 17787 -82.3 -89.3 29 7.0 -82.3 60 14 391.6 391.6 304.0 391.6 0.00 63 78 17997 -82.1 -89.1 29 7.0 -82.1 49 21 396.3 396.3 304.7 396.3 0.00 64 75 18217 -81.5 -89.5 24 8.0 -81.5 38 18 402.0 402.0 305.5 402.0 0.00 65 74 18292 -80.5 -89.5 21 9.0 -80.5 35 17 405.7 405.7 306.0 405.7 0.00 66 73 18369 -77.7 -87.7 18 10.0 -77.7 38 16 413.2 413.2 306.9 413.2 0.00 67 72 18448 -76.5 -87.5 16 11.0 -76.6 40 15 417.3 417.3 307.4 417.4 0.00 68 70 18610 -77.1 -88.1 16 11.0 -77.1 130 18 419.4 419.4 307.6 419.4 0.00 69 67 18862 -77.7 -88.7 15 11.0 -77.7 121 18 423.4 423.4 308.1 423.4 0.00 70 62 19310 -75.1 -89.1 10 14.0 -75.2 97 17 438.7 438.7 309.7 438.7 0.00 71 60 19503 -71.1 -88.1 6 17.0 -71.2 100 18 451.8 451.8 311.0 451.8 0.00 72 58 19703 -72.3 -88.3 7 16.0 -72.4 103 20 453.5 453.5 311.2 453.5 0.00 73 55 20019 -69.3 -88.3 5 19.0 -69.5 109 22 467.3 467.3 312.4 467.3 0.00 74 54 20128 -69.9 -88.9 5 19.0 -70.1 108 24 468.3 468.3 312.5 468.4 0.00 75 50 20590 -67.7 -88.7 3 21.0 -67.9 70 28 484.0 484.0 313.8 484.0 0.00 76 44 21365 -64.9 -89.9 2 25.0 -65.3 81 24 508.8 508.8 315.5 508.8 0.00 77 43 21505 -64.5 -86.5 3 22.0 -64.9 84 23 513.2 513.2 315.8 513.2 0.01 TRP 87 17387 -84.7 -91.7 28 7.0 -84.7 70 4 378.9 378.9 302.1 378.9 0.00 WND Sounding variables and indices 1000-500 mb thick: 5782.00 m Freezing level: 586.00 mb = 4620.23 m = 15158.06 ft Wetbulb zero: 585.83 mb = 4622.61 m = 15165.87 ft Precipitable water: 2.43 inches Sfc-500 mean rel hum: 84.80 % Est. max temperature: 32.71 C = 90.88 F Sfc-Lift cond lev (LCL): 983.97 mb = 241.17 m = 791.22 ft T: 25.63 C 700-500 lapse rate: 5.64 C/km ThetaE index: 16.28 C Layer 927.0- 733.0 mb Conv cond level (CCL): 884.79 mb = 1171.27 m = 3842.69 ft Mean mixing ratio: 17.53 g/kg Conv temperature: 32.05 C = 89.69 F Cap Strength: 1.58 C Lifted Index: -3.53 C Risk: Severe thunderstorms possible Lifted Index @300 mb: -2.63 C Lifted Index @700 mb: -1.53 C Showalter Index: -2.00 C Risk: Severe thunderstorms possible Total Totals Index: 46.20 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 23.70 C Cross Totals Index: 22.50 C K Index: 37.90 Risk: > 80 % chance of thunderstorms Sweat Index: 221.00 Risk: None Energy Index: -1.16 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1178.09 J/kg Max Up Vert Vel: 48.54 m/s Conv Inhibition (B-): 24.12 J/kg Cap Strength: 1.40 C Lift Cond Lev (LCL): 925.62 mb = 779.12 m = 2556.13 ft Lev Free Conv (LFC): 850.62 mb = 1512.65 m = 4962.72 ft Equ Level (EL): 820.62 mb = 1820.41 m = 5972.39 ft B at Equ Level: 14.36 J/kg Max Parcel Lev (MPL): 760.62 mb = 2468.18 m = 8097.61 ft Wind level data Storm motion: 337 at 7 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 1011 3 315 4 2.8 -2.8 | 179 4 -0.1 3.8 1 1000 98 320 5 3.2 -3.8 | 187 3 0.3 2.8 2 977 305 340 10 3.4 -9.4 | 349 3 0.5 -2.7 3 944 610 360 10 -0.0 -10.0 | 41 4 -2.9 -3.3 4 925 785 355 11 1.0 -11.0 | 24 5 -1.9 -4.3 5 911 914 5 10 -0.9 -10.0 | 49 5 -3.8 -3.3 6 850 1519 345 7 1.8 -6.8 | 85 1 -1.1 -0.1 7 791 2134 260 4 3.9 0.7 | 188 7 1.1 7.4 8 736 2743 245 10 9.1 4.2 | 210 13 6.2 10.9 9 700 3168 250 12 11.3 4.1 | 218 14 8.4 10.8 10 659 3658 255 15 14.5 3.9 | 228 16 11.6 10.6 11 611 4267 275 8 8.0 -0.7 | 220 8 5.1 6.0 12 588 4572 360 10 -0.0 -10.0 | 41 4 -2.9 -3.3 13 566 4877 335 13 5.5 -11.8 | 333 6 2.6 -5.1 14 545 5182 355 13 1.1 -13.0 | 16 7 -1.7 -6.3 15 525 5486 325 13 7.5 -10.6 | 311 6 4.6 -4.0 16 506 5791 330 10 5.0 -8.7 | 313 3 2.1 -2.0 17 500 5880 285 3 2.9 -0.8 | 180 6 0.0 5.9 18 486 6096 200 1 0.3 0.9 | 162 8 -2.5 7.6 19 432 7010 245 10 9.1 4.2 | 210 13 6.2 10.9 20 400 7610 220 9 5.8 6.9 | 192 14 2.9 13.6 21 383 7925 235 12 9.8 6.9 | 207 15 6.9 13.6 22 338 8839 245 10 9.1 4.2 | 210 13 6.2 10.9 23 300 9720 240 7 6.1 3.5 | 197 11 3.2 10.2 24 250 11000 245 8 7.3 3.4 | 203 11 4.4 10.0 25 219 11887 240 10 8.7 5.0 | 206 13 5.8 11.7 26 200 12480 225 3 2.1 2.1 | 175 9 -0.8 8.8 27 181 13106 350 2 0.3 -2.0 | 152 5 -2.5 4.7 28 164 13716 325 10 5.7 -8.2 | 298 3 2.9 -1.5 29 150 14260 305 9 7.4 -5.2 | 251 5 4.5 1.5 30 141 14630 295 13 11.8 -5.5 | 262 9 8.9 1.2 31 134 14935 300 17 14.7 -8.5 | 279 12 11.8 -1.8 32 120 15545 275 26 25.9 -2.3 | 259 23 23.0 4.4 33 114 15850 310 28 21.4 -18.0 | 301 22 18.6 -11.3 34 100 16610 290 12 11.3 -4.1 | 253 9 8.4 2.6 35 97 16764 295 12 10.9 -5.1 | 259 8 8.0 1.6 36 87 17387 70 4 -3.8 -1.4 | 129 8 -6.6 5.3 37 83 17678 65 10 -9.1 -4.2 | 102 12 -11.9 2.4 38 78 17983 50 21 -16.1 -13.5 | 70 20 -19.0 -6.8 39 74 18288 35 17 -9.8 -13.9 | 60 15 -12.6 -7.3 40 70 18593 45 13 -9.2 -9.2 | 78 12 -12.1 -2.5 41 70 18610 130 18 -13.8 11.6 | 138 25 -16.7 18.2 42 67 18898 120 18 -15.6 9.0 | 130 24 -18.5 15.7 43 63 19202 95 16 -15.9 1.4 | 113 20 -18.8 8.1 44 54 20117 110 23 -21.6 7.9 | 121 28 -24.5 14.5 45 51 20422 75 32 -30.9 -8.3 | 87 34 -33.8 -1.6 46 50 20590 70 28 -26.3 -9.6 | 84 29 -29.2 -2.9 47 49 20726 65 28 -25.4 -11.8 | 80 29 -28.3 -5.2 48 43 21336 85 23 -22.9 -2.0 | 100 26 -25.8 4.7 49 40 21641 115 25 -22.7 10.6 | 124 31 -25.5 17.2 Wind Parameters Mean winds (0-6000m): 306.6 at 9.7 knts Storm direction: 336.6 at 7.3 knts Shear (0-3000m) pos: 1.3 neg: 3.0 tot: 4.3 10-3/s Storm rel Dir Shear (0-3000m): 35.5 deg Storm rel helicity (0-3000m) pos: 18.9 neg: -3.7 tot: 15.2 m^2/s^2 ave: 5.1 10^-3 m/s^2 rel: 0.45 Storm rel vorticity (0-3000m) horiz: 5.8 stream: 2.6 10^-3/s Energy-Hel index: 0.05 Bulk Rich Number: 344.12 Bulk Shear: 3.42 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 ------------------------------------------------------------------------------- 500 338 8 356 1| 7.5 0.0 7.5| 3.4 0.0 3.4 6.8 0.78| 10.1 7.9 1000 350 9 30 3| 3.8 0.0 3.8| 6.5 -1.2 5.3 5.3 0.66| 7.3 4.8 1500 352 9 38 3| 2.6 1.2 3.7| 7.0 -1.2 5.8 3.9 0.58| 6.1 3.5 2000 347 8 41 2| 1.9 2.6 4.5| 7.4 -2.5 4.9 2.4 0.46| 6.5 3.0 2500 338 8 8 0| 1.5 2.9 4.5| 12.6 -3.7 8.9 3.5 0.44| 6.2 2.7 3000 320 8 254 2| 1.3 3.0 4.3| 18.9 -3.7 15.2 5.1 0.45| 5.8 2.6 4000 290 9 239 7| 1.4 2.2 3.6| 32.1 -4.2 27.9 7.0 0.44| 5.5 2.4 5000 298 9 248 6| 2.6 1.8 4.4| 43.3 -11.9 31.3 6.3 0.39| 6.8 2.6 6000 307 10 260 5| 2.2 2.4 4.6| 46.9 -28.8 18.1 3.0 0.12| 7.7 0.9 Wrote GIF file: /home/apache/climate/data/raob//NSTU/skewt/NSTU.skewt.20251222.12.gif