UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025101823.upa.cvt Date: 2300Z 18 OCT 25 Searching for NFFN... Searching the city database file for: NFFN ... Date:2300Z 18 OCT 25 Station: NFFN WMO ident: 91680 Latitude: -17.75 Longitude: 177.45 Elevation: 18.00 ------------------------------------------------------------------------------- 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 1012 18 29.6 20.6 58 9.0 23.2 310 13 301.7 304.5 295.9 346.7 15.26 1 1007 60 26.4 21.4 74 5.0 22.8 308 13 299.0 301.9 295.7 346.0 16.14 2 1000 118 25.8 20.8 74 5.0 22.2 305 13 299.0 301.8 295.4 344.5 15.65 3 995 162 25.6 20.6 74 5.0 22.1 311 12 299.2 302.0 295.4 344.5 15.53 4 965 433 25.0 19.0 69 6.0 20.8 349 7 301.2 303.9 295.2 343.8 14.48 5 925 804 22.0 17.2 74 4.8 18.7 50 6 301.8 304.3 294.7 341.5 13.47 6 853 1502 16.2 14.5 90 1.7 15.1 55 13 302.8 305.1 294.1 339.2 12.26 7 850 1532 16.4 14.1 86 2.3 14.9 50 13 303.3 305.5 294.0 338.9 11.99 8 735 2759 10.0 8.5 90 1.5 9.0 33 6 309.2 311.0 293.9 338.3 9.52 9 700 3164 7.8 5.9 88 1.9 6.6 340 3 311.1 312.7 293.5 336.9 8.35 10 679 3415 5.8 5.1 95 0.7 5.4 322 4 311.6 313.2 293.5 336.8 8.14 11 667 3561 5.0 4.2 95 0.8 4.5 312 4 312.3 313.8 293.4 336.4 7.78 12 650 3772 4.2 1.2 81 3.0 2.5 297 5 313.7 314.9 292.7 333.9 6.44 13 642 3873 3.8 -4.2 56 8.0 -0.1 290 6 314.4 315.2 291.2 328.3 4.36 14 639 3911 4.4 -18.6 17 23.0 -3.8 287 6 315.5 315.7 288.8 320.1 1.38 15 626 4078 3.0 -3.0 65 6.0 -0.0 275 6 315.7 316.7 292.1 331.4 4.90 16 611 4275 2.6 -15.4 25 18.0 -4.3 261 7 317.5 317.8 289.9 323.8 1.89 17 608 4315 2.2 -3.8 64 6.0 -0.8 260 7 317.5 318.4 292.4 332.7 4.75 18 602 4395 1.6 -6.4 55 8.0 -2.1 260 8 317.7 318.4 291.8 330.4 3.94 19 599 4435 1.6 -11.4 37 13.0 -3.8 259 8 318.1 318.6 290.8 326.9 2.67 20 597 4462 1.8 -30.2 7 32.0 -6.9 259 8 318.7 318.8 288.9 320.5 0.52 21 596 4476 1.8 -30.2 7 32.0 -6.9 259 8 318.8 318.9 288.9 320.7 0.52 22 500 5870 -7.9 -16.9 48 9.0 -11.1 255 16 323.4 323.8 291.8 330.3 2.04 23 493 5979 -8.5 -16.5 52 8.0 -11.3 256 16 324.0 324.4 292.0 331.2 2.13 24 485 6106 -8.7 -29.7 17 21.0 -13.9 258 17 325.3 325.4 291.0 327.7 0.67 25 473 6300 -10.1 -34.1 12 24.0 -15.3 261 17 325.9 325.9 291.0 327.5 0.45 26 464 6448 -11.3 -19.3 52 8.0 -13.9 262 18 326.2 326.5 292.3 332.3 1.79 27 459 6531 -11.5 -22.5 40 11.0 -14.7 264 18 326.9 327.2 292.2 331.7 1.37 28 445 6767 -13.7 -20.7 55 7.0 -15.9 267 19 327.1 327.4 292.4 332.8 1.65 29 411 7367 -17.1 -23.1 60 6.0 -18.8 302 25 330.2 330.5 293.2 335.3 1.45 30 403 7514 -18.3 -19.6 89 1.3 -18.7 315 27 330.5 330.9 293.7 337.5 2.01 31 400 7570 -18.5 -23.3 66 4.8 -19.8 320 28 330.9 331.2 293.3 336.1 1.46 32 399 7589 -18.5 -24.5 59 6.0 -20.1 320 27 331.2 331.4 293.3 335.9 1.32 33 395 7664 -18.9 -22.5 73 3.6 -19.9 320 25 331.6 331.9 293.6 337.3 1.59 34 394 7682 -18.9 -25.9 54 7.0 -20.7 319 25 331.9 332.1 293.3 336.1 1.18 35 391 7739 -19.1 -23.6 68 4.5 -20.3 319 26 332.3 332.6 293.7 337.5 1.46 36 374 8068 -20.9 -37.9 20 17.0 -23.8 316 31 334.2 334.3 293.2 335.7 0.39 37 369 8167 -21.5 -38.5 20 17.0 -24.3 315 33 334.7 334.8 293.3 336.1 0.37 38 327 9045 -27.7 -47.7 13 20.0 -29.9 306 47 337.9 337.9 294.0 338.5 0.16 39 318 9245 -28.5 -35.5 51 7.0 -29.6 308 49 339.5 339.6 294.7 341.7 0.58 40 307 9497 -30.1 -41.1 33 11.0 -31.5 315 50 340.7 340.8 294.8 342.0 0.34 41 300 9660 -31.5 -41.5 37 10.0 -32.7 320 50 341.0 341.1 294.8 342.3 0.34 42 287 9971 -33.9 -45.9 29 12.0 -35.1 324 52 341.9 341.9 295.0 342.8 0.22 43 281 10119 -35.1 -41.1 54 6.0 -35.8 325 52 342.2 342.3 295.2 343.7 0.37 44 251 10893 -41.7 -45.0 70 3.3 -42.0 320 55 343.7 343.7 295.4 344.8 0.28 45 250 10920 -42.1 -45.7 68 3.6 -42.4 320 55 343.5 343.5 295.4 344.5 0.26 46 222 11712 -48.7 -52.8 62 4.1 -48.9 319 62 345.2 345.2 295.7 345.7 0.13 47 218 11832 -49.5 -58.5 34 9.0 -49.8 319 62 345.8 345.8 295.7 346.0 0.07 48 200 12390 -54.5 -59.2 56 4.7 -54.6 315 61 346.5 346.5 295.9 346.7 0.07 49 199 12422 -54.7 -59.7 54 5.0 -54.8 315 61 346.6 346.7 296.0 346.9 0.06 50 198 12454 -55.1 -63.1 36 8.0 -55.3 314 61 346.5 346.5 295.9 346.7 0.04 51 182 12986 -59.3 -60.6 85 1.3 -59.3 309 62 348.1 348.1 296.3 348.4 0.06 52 171 13374 -62.1 -72.1 25 10.0 -62.2 305 62 349.7 349.7 296.6 349.8 0.01 53 154 14012 -67.2 -73.2 42 6.0 -67.2 295 72 351.6 351.6 297.0 351.7 0.01 54 150 14170 -68.5 -73.5 48 5.0 -68.5 290 70 352.1 352.1 297.1 352.1 0.01 55 146 14332 -69.5 -75.5 41 6.0 -69.5 295 72 353.1 353.1 297.3 353.1 0.01 56 114 15787 -74.9 -85.9 17 11.0 -74.9 294 54 368.9 368.9 300.4 368.9 0.00 57 101 16483 -78.9 -86.9 26 8.0 -78.9 280 47 374.2 374.2 301.3 374.2 0.00 58 100 16540 -78.3 -87.3 22 9.0 -78.3 280 45 376.4 376.4 301.6 376.5 0.00 59 98 16656 -75.7 -85.7 19 10.0 -75.7 280 45 383.7 383.7 302.8 383.7 0.00 60 87 17343 -77.1 -87.1 19 10.0 -77.1 282 26 394.2 394.2 304.4 394.2 0.00 61 82 17683 -76.5 -87.5 16 11.0 -76.5 293 18 402.1 402.1 305.5 402.1 0.00 62 77 18052 -69.9 -86.9 7 17.0 -70.0 249 18 423.1 423.2 308.1 423.2 0.00 63 75 18209 -69.5 -88.5 5 19.0 -69.6 219 13 427.2 427.2 308.5 427.2 0.00 64 73 18370 -70.1 -89.1 5 19.0 -70.2 248 13 429.2 429.2 308.7 429.2 0.00 65 70 18620 -69.5 -88.5 5 19.0 -69.6 355 26 435.7 435.7 309.4 435.7 0.00 66 66 18970 -69.3 -89.3 4 20.0 -69.4 352 25 443.5 443.5 310.2 443.5 0.00 67 63 19250 -65.5 -88.5 3 23.0 -65.7 348 20 457.8 457.8 311.6 457.9 0.00 68 57 19855 -66.5 -90.5 2 24.0 -66.7 17 19 468.9 468.9 312.5 468.9 0.00 69 55 20073 -62.3 -89.3 2 27.0 -62.7 27 18 483.3 483.3 313.7 483.3 0.00 70 53 20301 -63.1 -89.1 2 26.0 -63.5 38 18 486.6 486.6 314.0 486.6 0.00 71 50 20660 -61.7 -89.7 1 28.0 -62.1 55 17 498.1 498.1 314.8 498.1 0.00 72 32 23452 -56.1 -88.1 1 32.0 -57.5 60 13 580.9 580.9 319.7 580.9 0.01 73 30 23860 -57.1 -88.1 1 31.0 -58.4 70 20 589.0 589.0 320.1 589.0 0.01 74 27 24526 -58.7 -88.7 1 30.0 -59.9 66 21 602.5 602.5 320.7 602.5 0.01 75 20 26440 -53.1 -87.1 1 34.0 -55.8 35 22 673.6 673.6 323.6 673.7 0.01 76 19 26771 -53.1 -87.1 1 34.0 -55.9 40 19 683.6 683.6 323.9 683.7 0.01 77 17 27502 -44.1 -83.1 1 39.0 -50.2 40 21 734.6 734.6 325.5 734.7 0.02 78 15 28342 -43.9 -83.9 0 40.0 -50.5 45 20 762.0 762.0 326.3 762.2 0.02 79 14 28805 -44.5 -83.5 1 39.0 -51.1 61 15 775.1 775.1 326.6 775.4 0.03 TRP 101 16483 -78.9 -86.9 26 8.0 -78.9 280 47 374.2 374.2 301.3 374.2 0.00 WND 154 14012 -67.2 -73.2 42 6.0 -67.2 295 72 351.6 351.6 297.0 351.7 0.01 Sounding variables and indices 1000-500 mb thick: 5752.00 m Freezing level: 578.19 mb = 4734.56 m = 15533.14 ft Wetbulb zero: 642.30 mb = 3868.87 m = 12692.99 ft Precipitable water: 1.86 inches Sfc-500 mean rel hum: 65.63 % Est. max temperature: 30.57 C = 87.03 F Sfc-Lift cond lev (LCL): 888.37 mb = 1152.05 m = 3779.66 ft T: 19.11 C 700-500 lapse rate: 5.80 C/km ThetaE index: 26.59 C Layer 1007.0- 626.0 mb Conv cond level (CCL): 866.22 mb = 1369.50 m = 4493.07 ft Mean mixing ratio: 14.48 g/kg Conv temperature: 30.52 C = 86.93 F Cap Strength: 1.43 C Lifted Index: -2.47 C Risk: Severe thunderstorms possible Lifted Index @300 mb: 0.59 C Lifted Index @700 mb: -0.89 C Showalter Index: -0.65 C Risk: Thunderstorms probable Total Totals Index: 46.30 C Risk: Scattered moderate thunderstorms Vertical Totals Index: 24.30 C Cross Totals Index: 22.00 C K Index: 36.50 Risk: > 80 % chance of thunderstorms Sweat Index: 211.20 Risk: None Energy Index: -1.68 Risk: Scattered severe thunderstorms Parcel Indices Parcel: using 100 mb layer CAPE (B+): 385.10 J/kg Max Up Vert Vel: 27.75 m/s Conv Inhibition (B-): 32.92 J/kg Cap Strength: 1.43 C Lift Cond Lev (LCL): 889.23 mb = 1143.73 m = 3752.34 ft Lev Free Conv (LFC): 804.23 mb = 1999.13 m = 6558.74 ft Equ Level (EL): 314.23 mb = 9330.65 m = 30611.98 ft B at Equ Level: 382.24 J/kg Max Parcel Lev (MPL): 154.23 mb = 14003.08 m = 45941.30 ft Wind level data Storm motion: 344 at 6 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 1012 18 310 13 10.0 -8.4 | 285 8 8.2 -2.2 1 1000 118 305 13 10.6 -7.5 | 278 9 8.9 -1.3 2 979 305 330 8 4.0 -6.9 | 289 2 2.2 -0.8 3 946 610 15 5 -1.3 -4.8 | 113 3 -3.1 1.3 4 925 804 50 6 -4.6 -3.9 | 110 7 -6.4 2.3 5 913 914 65 6 -5.4 -2.5 | 117 8 -7.2 3.6 6 851 1524 55 13 -10.6 -7.5 | 84 12 -12.4 -1.3 7 850 1532 50 13 -10.0 -8.4 | 79 12 -11.7 -2.2 8 821 1829 45 12 -8.5 -8.5 | 77 11 -10.3 -2.3 9 791 2134 50 7 -5.4 -4.5 | 103 7 -7.1 1.6 10 710 3048 25 5 -2.1 -4.5 | 113 4 -3.9 1.6 11 700 3164 340 3 1.0 -2.8 | 167 3 -0.8 3.3 12 610 4267 260 7 6.9 1.2 | 215 9 5.1 7.4 13 524 5486 255 13 12.6 3.4 | 229 14 10.8 9.5 14 500 5870 255 16 15.5 4.1 | 233 17 13.7 10.3 15 430 7010 270 20 20.0 -0.0 | 251 19 18.2 6.1 16 400 7570 320 28 18.0 -21.4 | 313 22 16.2 -15.3 17 397 7620 320 24 15.4 -18.4 | 312 18 13.6 -12.2 18 322 9144 305 49 40.1 -28.1 | 300 44 38.4 -22.0 19 300 9660 320 50 32.1 -38.3 | 317 44 30.4 -32.2 20 283 10058 325 52 29.8 -42.6 | 322 46 28.0 -36.5 21 250 10920 320 55 35.4 -42.1 | 317 49 33.6 -36.0 22 237 11278 320 55 35.4 -42.1 | 317 49 33.6 -36.0 23 226 11582 320 62 39.9 -47.5 | 317 56 38.1 -41.3 24 200 12390 315 61 43.1 -43.1 | 312 55 41.4 -37.0 25 170 13411 305 62 50.8 -35.6 | 301 57 49.0 -29.4 26 154 14012 295 72 65.3 -30.4 | 291 68 63.5 -24.3 27 150 14170 290 70 65.8 -23.9 | 286 66 64.0 -17.8 28 146 14326 295 72 65.3 -30.4 | 291 68 63.5 -24.3 29 132 14935 285 70 67.6 -18.1 | 280 67 65.8 -12.0 30 125 15240 305 59 48.3 -33.8 | 301 54 46.5 -27.7 31 101 16483 280 47 46.3 -8.2 | 273 45 44.5 -2.0 32 100 16540 280 45 44.3 -7.8 | 272 43 42.5 -1.7 33 96 16764 280 45 44.3 -7.8 | 272 43 42.5 -1.7 34 91 17069 270 33 33.0 -0.0 | 259 32 31.2 6.1 35 82 17678 295 18 16.3 -7.6 | 276 15 14.5 -1.5 36 78 17983 265 20 19.9 1.7 | 247 20 18.1 7.9 37 74 18288 205 11 4.6 10.0 | 190 16 2.9 16.1 38 70 18593 355 19 1.7 -18.9 | 1 13 -0.1 -12.8 39 70 18620 355 26 2.3 -25.9 | 359 20 0.5 -19.8 40 67 18898 355 27 2.4 -26.9 | 358 21 0.6 -20.8 41 64 19202 345 20 5.2 -19.3 | 346 14 3.4 -13.2 42 50 20660 55 17 -13.9 -9.8 | 77 16 -15.7 -3.6 43 49 20726 90 11 -11.0 0.0 | 116 14 -12.8 6.1 44 47 21031 55 17 -13.9 -9.8 | 77 16 -15.7 -3.6 45 43 21641 40 14 -9.0 -10.7 | 67 12 -10.8 -4.6 46 39 22250 40 12 -7.7 -9.2 | 72 10 -9.5 -3.0 47 37 22555 95 18 -17.9 1.6 | 111 21 -19.7 7.7 48 35 22860 55 11 -9.0 -6.3 | 89 11 -10.8 -0.2 49 34 23165 50 11 -8.4 -7.1 | 85 10 -10.2 -0.9 50 30 23774 70 15 -14.1 -5.1 | 94 16 -15.9 1.0 51 30 23860 70 20 -18.8 -6.8 | 88 21 -20.6 -0.7 52 29 24079 100 15 -14.8 2.6 | 118 19 -16.6 8.7 53 28 24384 70 20 -18.8 -6.8 | 88 21 -20.6 -0.7 54 25 24994 55 23 -18.8 -13.2 | 71 22 -20.6 -7.0 55 23 25603 55 17 -13.9 -9.8 | 77 16 -15.7 -3.6 56 22 25908 75 17 -16.4 -4.4 | 95 18 -18.2 1.7 57 20 26440 35 22 -12.6 -18.0 | 50 19 -14.4 -11.9 58 20 26518 40 19 -12.2 -14.6 | 59 16 -14.0 -8.4 59 15 27432 40 22 -14.1 -16.9 | 56 19 -15.9 -10.7 60 14 27737 55 15 -12.3 -8.6 | 80 14 -14.1 -2.5 61 13 28042 85 13 -13.0 -1.1 | 109 16 -14.7 5.0 62 11 28651 110 25 -23.5 8.6 | 120 29 -25.3 14.7 63 10 28956 100 23 -22.7 4.0 | 113 26 -24.4 10.1 Wind Parameters Mean winds (0-6000m): 313.8 at 8.5 knts Storm direction: 343.8 at 6.4 knts Shear (0-3000m) pos: 2.9 neg: 0.8 tot: 3.7 10-3/s Storm rel Dir Shear (0-3000m): -173.4 deg Storm rel helicity (0-3000m) pos: 15.3 neg: -22.1 tot: -6.8 m^2/s^2 ave: -2.3 10^-3 m/s^2 rel: 0.09 Storm rel vorticity (0-3000m) horiz: 6.4 stream: 0.6 10^-3/s Energy-Hel index: 0.03 Bulk Rich Number: 1280.65 Bulk Shear: 0.30 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 ------------------------------------------------------------------------------- 500 321 10 287 4| 10.7 0.0 10.7| 2.8 -2.4 0.5 1.0 0.32| 13.3 4.3 1000 348 8 10 1| 8.8 0.0 8.8| 5.3 -4.9 0.3 0.3 0.22| 10.6 2.4 1500 21 8 70 5| 5.9 2.0 7.9| 5.3 -17.6 -12.3 -8.2 0.00| 9.1 0.0 2000 32 9 75 7| 4.4 0.7 5.1| 11.0 -22.1 -11.1 -5.5 0.03| 8.3 0.2 2500 35 9 81 7| 3.5 0.6 4.1| 14.4 -22.1 -7.7 -3.1 0.07| 7.3 0.5 3000 35 8 84 7| 2.9 0.8 3.7| 15.3 -22.1 -6.8 -2.3 0.09| 6.4 0.6 4000 24 7 84 5| 2.2 1.6 3.8| 21.0 -22.1 -1.2 -0.3 0.21| 6.0 1.2 5000 1 7 56 2| 1.8 1.8 3.6| 25.8 -23.0 2.8 0.6 0.21| 5.4 1.1 6000 314 9 267 4| 1.2 1.7 3.0| 36.7 -23.0 13.7 2.3 0.23| 5.0 1.2 Wrote GIF file: /home/apache/climate/data/raob//NFFN/skewt/NFFN.skewt.20251018.23.gif