UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025042700.upa.cvt Date: 0000Z 27 APR 25 Searching for PAKN... Searching the city database file for: PAKN ... Date:0000Z 27 APR 25 Station: PAKN WMO ident: 70326 Latitude: 58.68 Longitude: -156.65 Elevation: 15.00 ------------------------------------------------------------------------------- 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 1002 15 7.0 3.1 76 3.9 5.1 170 7 280.0 280.8 278.2 293.1 4.77 1 1000 22 6.8 2.0 71 4.8 4.6 140 8 280.0 280.7 277.7 292.2 4.42 2 993 80 6.4 0.4 65 6.0 3.7 137 9 280.1 280.8 277.2 291.1 3.96 3 925 656 1.0 -0.3 91 1.3 0.4 135 12 280.3 281.0 277.4 291.6 4.04 4 919 708 0.4 -0.5 94 0.9 0.0 136 13 280.2 280.9 277.3 291.4 4.01 5 891 956 -1.1 -1.4 98 0.3 -1.2 141 20 281.2 281.8 277.6 292.0 3.87 6 850 1330 -3.7 -4.4 95 0.7 -4.0 145 29 282.3 282.8 277.4 291.4 3.24 7 829 1527 -5.3 -5.3 100 0.0 -5.3 150 34 282.6 283.1 277.4 291.4 3.10 8 741 2403 -8.5 -9.7 91 1.2 -8.9 164 28 288.3 288.8 279.4 295.6 2.47 9 700 2843 -10.9 -12.1 91 1.2 -11.3 155 26 290.4 290.8 279.9 296.8 2.16 10 612 3861 -17.3 -19.1 86 1.8 -17.7 160 30 294.4 294.7 280.8 298.7 1.38 11 500 5340 -28.9 -31.8 76 2.9 -29.3 175 28 297.8 297.9 281.1 299.6 0.53 12 412 6768 -40.1 -43.7 68 3.6 -40.3 163 31 300.3 300.4 281.7 301.0 0.19 13 406 6873 -39.5 -43.2 68 3.7 -39.7 169 32 302.4 302.4 282.6 303.1 0.21 14 400 6980 -39.9 -43.9 66 4.0 -40.1 175 33 303.1 303.2 282.9 303.8 0.19 15 379 7329 -43.3 -47.4 64 4.1 -43.5 186 33 303.4 303.4 283.0 303.9 0.14 16 378 7346 -43.3 -47.4 64 4.1 -43.5 186 33 303.6 303.6 283.0 304.1 0.14 17 371 7466 -43.5 -47.2 67 3.7 -43.7 190 33 304.9 305.0 283.6 305.5 0.15 18 363 7606 -44.5 -47.6 71 3.1 -44.6 194 33 305.5 305.5 283.8 306.0 0.14 19 360 7659 -44.9 -48.9 64 4.0 -45.1 195 33 305.7 305.7 283.8 306.2 0.12 20 354 7767 -45.9 -48.4 76 2.5 -46.0 195 32 305.8 305.9 283.9 306.3 0.13 21 341 8004 -47.9 -50.1 78 2.2 -48.0 195 29 306.4 306.4 284.1 306.8 0.11 22 338 8060 -48.3 -51.3 71 3.0 -48.4 195 29 306.6 306.7 284.2 307.0 0.10 23 325 8307 -49.9 -52.4 75 2.5 -50.0 195 26 307.9 307.9 284.7 308.2 0.09 24 321 8385 -49.3 -53.9 58 4.6 -49.4 195 26 309.8 309.8 285.4 310.1 0.08 25 311 8584 -50.9 -54.9 62 4.0 -51.0 195 24 310.4 310.4 285.5 310.7 0.07 26 308 8645 -51.1 -56.1 55 5.0 -51.2 195 23 311.0 311.0 285.8 311.2 0.06 27 304 8727 -50.5 -64.5 18 14.0 -50.8 200 24 313.0 313.0 286.4 313.1 0.02 28 300 8810 -49.7 -71.7 6 22.0 -50.0 205 25 315.3 315.3 287.2 315.3 0.01 29 298 8854 -49.1 -73.1 4 24.0 -49.4 206 25 316.8 316.8 287.7 316.8 0.01 30 297 8876 -48.9 -72.9 4 24.0 -49.3 206 25 317.3 317.3 287.9 317.4 0.01 31 280 9263 -48.1 -72.1 5 24.0 -48.5 209 26 323.9 323.9 289.9 323.9 0.01 32 250 10010 -48.1 -75.1 3 27.0 -48.6 210 23 334.6 334.6 292.9 334.6 0.01 33 239 10305 -48.9 -74.9 3 26.0 -49.4 204 25 337.7 337.7 293.7 337.7 0.01 34 219 10880 -46.1 -78.1 1 32.0 -46.8 205 22 350.6 350.6 296.8 350.6 0.00 35 200 11480 -46.7 -79.7 1 33.0 -47.4 210 18 358.8 358.8 298.5 358.8 0.00 36 181 12141 -46.3 -80.3 1 34.0 -47.1 211 24 369.9 369.9 300.5 369.9 0.00 37 160 12955 -48.3 -81.3 1 33.0 -49.0 208 22 379.8 379.8 302.2 379.8 0.00 38 150 13380 -47.5 -81.5 1 34.0 -48.3 220 22 388.2 388.2 303.5 388.2 0.00 39 147 13514 -46.7 -81.7 1 35.0 -47.6 222 23 391.8 391.9 304.0 391.9 0.00 40 136 14029 -48.5 -82.5 1 34.0 -49.3 205 23 397.5 397.5 304.9 397.5 0.00 41 100 16050 -49.7 -83.7 1 34.0 -50.7 240 17 431.7 431.7 309.0 431.7 0.00 42 89 16808 -52.3 -84.3 1 32.0 -53.1 234 15 441.1 441.1 310.0 441.2 0.00 43 84 17183 -51.1 -84.1 1 33.0 -52.1 241 14 450.9 450.9 311.0 450.9 0.00 44 75 17915 -53.7 -85.7 1 32.0 -54.5 238 14 460.3 460.3 311.8 460.3 0.00 45 71 18268 -52.3 -85.3 1 33.0 -53.3 226 9 470.6 470.6 312.7 470.6 0.00 46 70 18360 -52.9 -85.9 1 33.0 -53.8 215 11 471.2 471.2 312.7 471.2 0.00 47 61 19249 -53.7 -85.7 1 32.0 -54.7 218 11 488.4 488.4 314.1 488.4 0.00 48 59 19465 -51.5 -85.5 1 34.0 -52.8 224 12 498.0 498.0 314.8 498.0 0.00 49 50 20540 -52.7 -85.7 1 33.0 -54.0 215 8 519.3 519.3 316.2 519.3 0.01 50 30 23850 -50.5 -85.5 1 35.0 -52.9 160 11 607.0 607.0 320.9 607.0 0.01 51 29 24072 -49.9 -84.9 1 35.0 -52.6 145 10 614.5 614.5 321.3 614.6 0.01 52 27 24539 -50.3 -85.3 1 35.0 -53.0 137 9 626.1 626.1 321.7 626.2 0.01 53 25 25045 -47.9 -83.9 1 36.0 -51.4 131 10 646.9 646.9 322.6 647.0 0.01 54 20 26520 -47.3 -84.3 1 37.0 -51.7 180 5 691.4 691.4 324.1 691.5 0.02 55 15 28421 -47.7 -83.7 1 36.0 -52.8 189 9 749.4 749.4 325.9 749.6 0.02 56 13 29370 -45.9 -83.9 1 38.0 -52.2 169 10 786.9 786.9 326.9 787.1 0.03 57 11 30491 -42.1 -82.1 0 40.0 -50.8 131 10 839.2 839.2 328.2 839.6 0.04 58 10 31136 -42.5 -82.5 0 40.0 -51.5 106 10 860.9 860.9 328.7 861.3 0.04 TRP 308 8645 -51.1 -56.1 55 5.0 -51.2 195 23 311.0 311.0 285.8 311.2 0.06 WND Sounding variables and indices 1000-500 mb thick: 5318.00 m Freezing level: 911.53 mb = 774.30 m = 2540.34 ft Wetbulb zero: 918.55 mb = 712.20 m = 2336.57 ft Precipitable water: 0.52 inches Sfc-500 mean rel hum: 87.51 % Est. max temperature: 9.23 C = 48.61 F Sfc-Lift cond lev (LCL): 943.87 mb = 491.93 m = 1613.93 ft T: 2.54 C 700-500 lapse rate: 7.21 C/km ThetaE index: 2.02 C Layer 1000.0- 925.0 mb Conv cond level (CCL): 896.25 mb = 908.87 m = 2981.82 ft Mean mixing ratio: 4.02 g/kg Conv temperature: 8.01 C = 46.42 F Cap Strength: 5.30 C Lifted Index: 6.24 C Risk: None Lifted Index @300 mb: 16.96 C Lifted Index @700 mb: 3.79 C Showalter Index: 6.24 C Risk: None Total Totals Index: 49.70 C Risk: Scattered heavy thunderstorms Vertical Totals Index: 25.20 C Cross Totals Index: 24.50 C K Index: 19.60 Risk: < 20 % chance of thunderstorms Sweat Index: 100.00 Risk: None Energy Index: 1.68 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 1.36 J/kg Max Up Vert Vel: 1.65 m/s Conv Inhibition (B-): 62610.91 J/kg Cap Strength: 6.18 C Lift Cond Lev (LCL): 906.21 mb = 820.46 m = 2691.76 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 189 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 1002 15 170 7 -1.2 6.9 | 19 13 -4.3 -12.7 1 1000 22 140 8 -5.1 6.1 | 31 16 -8.2 -13.5 2 966 305 125 13 -10.6 7.5 | 48 18 -13.7 -12.1 3 930 610 130 13 -10.0 8.4 | 49 17 -13.0 -11.2 4 925 656 135 12 -8.5 8.5 | 46 16 -11.5 -11.1 5 895 914 140 19 -12.2 14.6 | 72 16 -15.3 -5.0 6 862 1219 145 25 -14.3 20.5 | 93 17 -17.4 0.9 7 850 1330 145 29 -16.6 23.8 | 102 20 -19.7 4.2 8 829 1524 150 34 -17.0 29.4 | 116 22 -20.0 9.8 9 797 1829 155 30 -12.7 27.2 | 116 17 -15.7 7.6 10 767 2134 160 30 -10.3 28.2 | 123 16 -13.3 8.6 11 737 2438 165 28 -7.2 27.0 | 126 13 -10.3 7.4 12 709 2743 155 24 -10.1 21.8 | 99 13 -13.2 2.2 13 700 2843 155 26 -11.0 23.6 | 106 15 -14.0 4.0 14 627 3658 160 30 -10.3 28.2 | 123 16 -13.3 8.6 15 578 4267 160 29 -9.9 27.3 | 121 15 -13.0 7.7 16 532 4877 165 30 -7.8 29.0 | 131 14 -10.8 9.4 17 511 5182 175 29 -2.5 28.9 | 149 11 -5.6 9.3 18 500 5340 175 28 -2.4 27.9 | 147 10 -5.5 8.3 19 451 6096 170 32 -5.6 31.5 | 144 15 -8.6 11.9 20 415 6706 160 31 -10.6 29.1 | 125 17 -13.6 9.5 21 400 6980 175 33 -2.9 32.9 | 156 15 -5.9 13.3 22 362 7620 195 33 8.5 31.9 | 204 13 5.5 12.3 23 308 8645 195 23 6.0 22.2 | 228 4 2.9 2.6 24 300 8810 205 25 10.6 22.7 | 248 8 7.5 3.1 25 285 9144 210 25 12.5 21.7 | 258 10 9.5 2.1 26 260 9754 205 28 11.8 25.4 | 237 11 8.8 5.8 27 250 10010 210 23 11.5 19.9 | 268 8 8.5 0.3 28 248 10058 220 26 16.7 19.9 | 269 14 13.7 0.3 29 237 10363 200 25 8.6 23.5 | 235 7 5.5 3.9 30 200 11480 210 18 9.0 15.6 | 304 7 6.0 -4.0 31 197 11582 220 22 14.1 16.9 | 284 11 11.1 -2.7 32 180 12192 210 24 12.0 20.8 | 262 9 9.0 1.2 33 171 12497 230 23 17.6 14.8 | 288 15 14.6 -4.8 34 156 13106 200 21 7.2 19.7 | 268 4 4.1 0.1 35 150 13380 220 22 14.1 16.9 | 284 11 11.1 -2.7 36 149 13411 225 23 16.3 16.3 | 284 14 13.2 -3.3 37 136 14021 205 23 9.7 20.8 | 259 7 6.7 1.2 38 118 14935 250 16 15.0 5.5 | 320 19 12.0 -14.1 39 113 15240 210 13 6.5 11.3 | 337 9 3.5 -8.3 40 108 15545 200 18 6.2 16.9 | 311 4 3.1 -2.7 41 100 16050 240 17 14.7 8.5 | 314 16 11.7 -11.1 42 98 16154 245 20 18.1 8.5 | 306 19 15.1 -11.1 43 94 16459 240 17 14.7 8.5 | 314 16 11.7 -11.1 44 85 17069 230 13 10.0 8.4 | 328 13 6.9 -11.2 45 82 17374 260 16 15.8 2.8 | 323 21 12.7 -16.8 46 74 17983 235 14 11.5 8.0 | 324 14 8.4 -11.6 47 71 18288 225 9 6.4 6.4 | 346 14 3.3 -13.2 48 70 18360 215 11 6.3 9.0 | 343 11 3.3 -10.6 49 68 18593 200 10 3.4 9.4 | 358 10 0.4 -10.2 50 59 19507 225 12 8.5 8.5 | 334 12 5.4 -11.1 51 56 19812 260 11 10.8 1.9 | 336 19 7.8 -17.7 52 53 20117 200 12 4.1 11.3 | 353 8 1.1 -8.3 53 51 20422 215 10 5.7 8.2 | 347 12 2.7 -11.4 54 50 20540 215 8 4.6 6.6 | 353 13 1.5 -13.0 55 44 21336 205 7 3.0 6.3 | 0 13 -0.1 -13.3 56 40 21946 225 10 7.1 7.1 | 342 13 4.0 -12.5 57 33 23165 0 0 -0.0 -0.0 | 9 20 -3.0 -19.6 58 32 23470 145 10 -5.7 8.2 | 38 14 -8.8 -11.4 59 30 23850 160 11 -3.8 10.3 | 36 11 -6.8 -9.3 60 29 24079 145 10 -5.7 8.2 | 38 14 -8.8 -11.4 61 28 24384 150 8 -4.0 6.9 | 29 14 -7.0 -12.7 62 26 24689 125 10 -8.2 5.7 | 39 18 -11.2 -13.9 63 22 25908 145 10 -5.7 8.2 | 38 14 -8.8 -11.4 64 20 26518 145 11 -6.3 9.0 | 41 14 -9.3 -10.6 65 20 26520 180 5 0.0 5.0 | 12 15 -3.0 -14.6 66 15 27432 190 9 1.6 8.9 | 8 11 -1.5 -10.7 67 12 28042 155 10 -4.2 9.1 | 35 13 -7.3 -10.5 68 10 28651 100 10 -9.8 1.7 | 36 22 -12.9 -17.9 69 9 28956 125 10 -8.2 5.7 | 39 18 -11.2 -13.9 70 8 29261 100 10 -9.8 1.7 | 36 22 -12.9 -17.9 71 6 30175 160 11 -3.8 10.3 | 36 11 -6.8 -9.3 Wind Parameters Mean winds (0-6000m): 158.8 at 26.4 knts Storm direction: 188.8 at 19.8 knts Shear (0-3000m) pos: 3.0 neg: 2.0 tot: 5.1 10-3/s Storm rel Dir Shear (0-3000m): 91.0 deg Storm rel helicity (0-3000m) pos: 150.8 neg: -19.4 tot: 131.4 m^2/s^2 ave: 43.8 10^-3 m/s^2 rel: 0.54 Storm rel vorticity (0-3000m) horiz: 8.9 stream: 4.8 10^-3/s Energy-Hel index: 0.00 Bulk Rich Number: 0.03 Bulk Shear: 40.21 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 ------------------------------------------------------------------------------- 500 129 11 44 17| 0.0 9.3 9.3| 33.9 0.0 33.9 67.9 0.81| 10.6 8.5 1000 134 14 51 16| 4.5 4.7 9.2| 69.5 -0.2 69.3 69.3 0.84| 10.2 8.6 1500 140 18 68 16| 7.6 3.1 10.7|130.1 -0.2 129.9 86.6 0.86| 11.5 9.9 2000 145 21 82 15| 5.1 2.3 7.4|137.2 -0.9 136.3 68.2 0.76| 10.2 7.7 2500 149 23 91 15| 3.7 1.9 5.5|143.3 -6.1 137.3 54.9 0.66| 9.3 6.2 3000 151 23 93 15| 3.0 2.0 5.1|150.8 -19.4 131.4 43.8 0.54| 8.9 4.8 4000 153 25 100 14| 2.7 1.5 4.2|165.0 -20.7 144.3 36.1 0.56| 7.2 4.0 5000 155 26 106 14| 2.4 1.2 3.6|181.2 -21.5 159.7 31.9 0.58| 6.3 3.7 6000 159 26 112 14| 2.1 1.2 3.3|187.7 -23.9 163.7 27.3 0.53| 5.9 3.2 Wrote GIF file: /home/apache/climate/data/raob//PAKN/skewt/PAKN.skewt.20250427.00.gif