Mt. Rainier from Longmire, on the southwestern side of the park







It's very rare when you see a Tornado reported on a METAR. However, May 11, 2000, a strong thunderstorm ran through Waterloo, IA (I know, I was there). For 18 minutes, a good sized torando was on the ground just north of the Waterloo Airport. Here is the collection of METAR reports from that day:



KALO 112354Z 12013G18KT 7SM SCT085 29/21 A2927 RMK AO2 SLP904 T02890211 10289 20239 58022

KALO 120003Z 14012G23KT 8SM +FC FEW060 BKN085 29/21 A2922 RMK TORNADO B02 AO2 PRESFR

KALO 120014Z 31040G50KT 2SM +FC RA SQ FEW043 SCT050 BKN065 26/22 A2925 RMK TORNADO B02 AO2 PK WND 30050/0014 RAB10 P0004

KALO 120026Z 22008G50KT 100V310 8SM +FC -RA BKN046 BKN060 BKN080 28/21 A2927 RMK TORNADO B02 AO2 PK WND 31050/0017 WSHFT 0006 RAB10 P0005

KALO 120028Z VRB06G33KT 9SM SCT046 BKN065 BKN085 28/21 A2928 RMK TORNADO B02 TORNADO E27 AO2 PK WND 31050/0017 WSHFT 0006 RAB10E27 TORNADO E20 P0005



A few days later, May 14, 2000, a gust of 113 mph in association with a tornado was reported at Andrews Air Force Base, MD. Here are those METARS:



KADW 132305Z 17007KT 6SM TS HZ FEW050CB SCT100 BKN200 28/23 A2962 RMK OCNL LTGIC TS 10 W MOV E

KADW 132335 25052G99KT 1/4SM +FC TSRAGR VV002 21/20 A2976

KADW 132335 COR 25052G99KT 1/4SM +FC TSRAGR VV002 21/20 A2976 RMK FUNNEL CLOUD B32 OHD MOV E FRQ LTGICCCCG TS OHD MOV E GR 1/4 COR 2352

KADW 132355Z 25008KT 7 -TSRA SCT020CB BKN060 OVC100 21/20 RMK FUNNEL CLOUD MOVD E 25099/35 FRQ LTGICCCCG TS 5 E MOV E GR 1/4 SLPNO 60064 8/96/ 9/53/ 5////



If you ever see an interesting METAR report, please send it to me via my feedback page.


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"It's a great thing when you realize you still have the ability to surprise yourself"

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