Messages: 2023-JAN-09 : webserver was down Dec 30 to Jan 8. Back up now 2022-DEC-09 : Migration to a new server completed 28-MAR-2024 12Z Soaring report from IAD upper air data Forecast high 50 F; est. base of any clouds 1249 feet AGL. === Some Raw Upper-Air Data === Feet MSL: 279 468 2718 3753 3995 4148 4209 4271 4456 4799 Pres mb: 1007 1000 920 885 877 872 870 868 862 851 Temp C: 8.8 8.4 4.8 2.6 3.8 4.0 4.0 4.0 4.0 4.2 VirT C: 10.0 9.5 5.8 3.5 4.7 5.0 5.0 5.0 5.0 5.2 DewPt C: 8.8 7.8 4.8 2.6 2.0 3.8 3.8 3.5 4.0 3.8 Wdir@kts: 345 9 355 21 === Interpolations (temps in deg. F, altitudes in feet MSL) === MSL *TI* Wdir@kts trig VirT 1.5 degrees/division ("`": Dry Adiabatic) ----- ---- -------- ---- . ---- ----------------------------------------- 12000 18.5 83 | 22.5 ` : 11500 17.8 82 | 23.9 ` : 11000 16.9 80 | 25.0 ` : 10500 15.9 78 | 25.8 ` : 10000 14.8 290 6 77 | 26.5 ` : 9500 12.3 72 | 24.7 ` : 9000 11.4 70 | 25.8 ` : 8500 10.9 69 | 27.5 ` : 8000 10.8 69 | 30.0 ` : 7500 10.4 69 | 32.0 ` : 7000 10.1 68 | 34.1 ` : 6500 9.4 67 | 35.6 ` : 6000 8.8 66 | 37.0 ` : 5500 8.0 64 | 38.4 ` : 5000 7.7 340 9 64 | 40.5 ` : 4500 6.5 62 | 41.0 ` : 4000 4.7 58 | 40.4 ` : 3500 2.6 55 | 39.3 ` : 3000 2.2 54 | 41.3 ` : 2500 1.7 355 21 53 | 43.1 ` : 2000 1.1 335 13 52 | 44.6 `: 1500 0.4 51 | 46.1 : 1000 -0.2 360 4 50 | 47.6 :` 500 -0.9 345 9 49 | 49.1 : ` === Complete Upper Air Data === P(mb) H(ft) Tv(C) T(C) DP(C) wind dir wind spd 1007.0 279 10.0 8.8 8.8 1000.0 468 9.5 8.4 7.8 345 9 920.0 2718 5.8 4.8 4.8 355 21 885.0 3753 3.5 2.6 2.6 877.0 3995 4.7 3.8 2.0 872.0 4148 5.0 4.0 3.8 870.0 4209 5.0 4.0 3.8 868.0 4271 5.0 4.0 3.5 862.0 4456 5.0 4.0 4.0 851.0 4799 5.2 4.2 3.8 850.0 4831 5.2 4.2 3.6 340 9 833.0 5370 3.7 2.8 2.7 825.0 5626 3.4 2.6 0.5 779.0 7144 1.0 0.2 -1.0 770.0 7450 0.1 -0.7 -1.1 761.0 7758 -0.4 -1.1 -3.4 734.0 8700 -3.1 -3.7 -4.1 730.0 8842 -3.3 -3.9 -5.1 729.0 8877 -3.3 -3.9 -5.7 716.0 9343 -3.8 -4.1 -15.1 712.0 9488 -4.0 -4.3 -15.3 710.0 9561 -4.2 -4.5 -16.5 706.0 9707 -3.9 -4.1 -22.1 700.0 9928 -3.0 -3.1 -26.1 290 6 699.0 9965 -3.0 -3.1 -27.1 692.0 10226 -3.2 -3.3 -29.3 662.0 11374 -4.2 -4.3 -30.3 657.0 11569 -4.6 -4.7 -31.7 633.0 12527 -6.1 -6.3 -18.3 629.0 12690 -6.0 -6.3 -17.3 614.0 13307 -7.6 -7.9 -17.9 610.0 13474 -7.8 -8.1 -16.1 602.0 13810 -9.0 -9.3 -16.3 600.0 13894 -9.0 -9.3 -14.3 588.0 14405 -10.6 -10.9 -15.2 578.0 14838 -11.3 -11.7 -13.7 537.0 16675 -15.2 -15.5 -15.7 532.0 16907 -15.6 -15.9 -16.2 522.0 17376 -16.3 -16.5 -20.0 520.0 17470 -16.5 -16.7 -20.1 516.0 17661 -16.3 -16.5 -23.5 513.0 17805 -16.3 -16.5 -23.5 500.0 18436 -17.7 -17.9 -23.9 215 80 493.0 18782 -18.7 -18.9 -24.9 488.0 19031 -17.7 -17.9 -24.9 480.0 19436 -19.1 -19.3 -25.3 479.0 19487 -18.1 -18.3 -24.3 471.0 19899 -18.9 -19.1 -23.2 468.0 20055 -19.3 -19.5 -25.5 467.0 20107 -19.3 -19.5 -23.7 463.0 20317 -19.7 -19.9 -26.9 457.0 20634 -20.3 -20.5 -26.5 450.0 21008 -21.4 -21.5 -30.5 446.0 21224 -21.8 -21.9 -35.9 437.0 21715 -23.1 -23.1 -46.1 436.0 21770 -23.3 -23.3 -46.3 435.0 21825 -23.3 -23.3 -44.3 433.0 21936 -23.2 -23.3 -35.3 432.0 21991 -23.4 -23.5 -35.5 430.0 22102 -23.6 -23.7 -32.7 428.0 22214 -23.8 -23.9 -34.9 427.0 22270 -24.0 -24.1 -31.1 426.0 22326 -24.2 -24.3 -32.3 424.0 22439 -24.4 -24.5 -30.5 422.0 22552 -24.5 -24.7 -26.2 419.0 22722 -24.9 -25.1 -26.2 416.0 22894 -24.1 -24.3 -25.4 410.0 23241 -24.9 -25.1 -27.7 409.0 23299 -25.2 -25.3 -29.6 408.0 23357 -25.2 -25.3 -33.3 407.0 23416 -25.4 -25.5 -33.5 406.0 23474 -25.4 -25.5 -33.5 400.0 23828 -26.3 -26.3 -43.3 205 105 396.0 24066 -27.0 -27.1 -41.1 394.0 24186 -27.3 -27.3 -43.3 392.0 24306 -27.6 -27.7 -36.7 391.0 24366 -27.8 -27.9 -37.9 388.0 24548 -28.2 -28.3 -35.3 386.0 24669 -28.6 -28.7 -37.7 385.0 24730 -28.8 -28.9 -35.9 382.0 24913 -29.4 -29.5 -40.5 377.0 25221 -30.3 -30.3 -42.3 375.0 25345 -30.6 -30.7 -40.7 373.0 25470 -31.1 -31.1 -47.1 360.0 26291 -33.3 -33.3 -43.3 358.0 26420 -33.5 -33.5 -45.5 355.0 26613 -34.3 -34.3 -44.3 353.0 26743 -34.5 -34.5 -45.5 352.0 26808 -34.5 -34.5 -60.5 350.0 26938 -34.9 -34.9 -45.9 349.0 27004 -34.9 -34.9 -45.9 348.0 27070 -35.2 -35.3 -41.3 345.0 27267 -35.5 -35.5 -45.5 325.0 28623 -38.3 -38.3 -64.3 300.0 30412 -42.7 -42.7 -64.7 215 123 279.0 32006 -46.5 -46.5 -66.5 255.0 33946 -50.7 -50.7 -66.7 250.0 34369 -51.5 -51.5 -68.5 215 132 246.0 34712 -52.3 -52.3 -71.3 235.0 35679 -54.1 -54.1 -72.1 224.0 36686 -54.7 -54.7 -72.7 212.0 37835 -57.3 -57.3 -69.3 201.0 38937 -58.3 -58.3 -71.3 225 135 200.0 39041 -58.1 -58.1 -71.1 225 134 192.0 39885 -57.5 -57.5 -77.5 164.0 43165 -55.7 -55.7 -84.7 162.0 43421 -55.7 -55.7 -84.7 150.0 45025 -56.9 -56.9 -84.9 230 86 146.0 45585 -57.7 -57.7 -84.7 136.0 47069 -53.3 -53.3 -84.3 128.0 48354 -51.9 -51.9 -84.9 122.0 49370 -53.9 -53.9 -84.9 119.0 49896 -52.7 -52.7 -84.7 Additional wind data: H(ft) dir spd ------ --- --- 1000 360 4 2000 335 13