Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Arctic air lingers for the east, however, winds will slowly subside and a slow moderating trend starts during the week. Moisture continues to provide rainfall and higher elevation snow for the Pacific Northwest, northern California and northern Rockies through Monday. For the State of Hawaii, dangerous surf conditions with strong winds and heavy rainfall will impact the islands through Monday. Read More >

Overview

Showers and thunderstorms developed across northeast Missouri, west central Illinois, and extreme southeast Iowa between 4 and 11 PM, Wednesday, May 22. Storms quickly intensified after 6 PM, with many severe thunderstorm and tornado warnings issued. An EF-1 tornado was surveyed in Hancock county IL with these storms.

During this event, the NWS Quad Cities Doppler Radar (KDVN) was not operational during much of the severe weather that occurred. Technicians worked quickly to replace a motor that had seized up, even as storms approached the Quad Cities and forced them to take shelter at times. The NWS plans and practices for these unexpected outages. Our team of meteorologists quickly switched to viewing NWS radars in St. Louis MO and Lincoln IL. These radars give meteorologists virtually the same view as the Quad Cities radar in the area that severe weather occurred last evening, across Clark county MO, Lee county IA and Hancock county IL. Our meteorologists excel in these situations, and provided more than 20 minutes of warning lead time for the brief tornado and damaging winds that occurred in Hancock county. Radar outages are rare, and if they do occur, the NWS is ready.

9:15 PM Radar Image

Tornado
Radar
Storm Reports
Rainfall
Environment

Tornadoes:

Tornado - 4 NE Sutter, IL
Hancock County

Date	5/22/2019
Time (Local)	817 - 818 PM CDT
EF Rating	EF-1
Est. Peak Winds	100 mph
Path Length	0.5 mile
Max Width	30 yards
Injuries/Deaths	0 / 0
Summary: A brief EF-1 tornado hit a farmstead west of Basco in Hancock County Illinois during the evening of May 22nd. A barn was completely destroyed and a large tree was uprooted. The tornado continued for about a half mile before snapping a power pole and then lifting. The tornado was embedded in a larger swath of straight line winds, also estimated around 100 mph, that snapped trees and power poles and damaged outbuildings. KML Link: Sutter Tornado

Track Map


NWS Storm Survey	NWS Storm Survey

NWS Storm Survey - Straight line wind	NWS Storm Survey - Straight line wind

The Enhanced Fujita (EF) Scale classifies tornadoes into the following categories:

EF0 Weak 65-85 mph	EF1 Moderate 86-110 mph	EF2 Significant 111-135 mph	EF3 Severe 136-165 mph	EF4 Extreme 166-200 mph	EF5 Catastrophic 200+ mph

Radar

Interactive Radar Loop

Storm Reports

Interactive Storm Reports Map	SPC STORM REPORTS

Rain Reports


Local Rainfall	Regional Rainfall

Environment

SPC EVENT SUMMARY


Day 1 (1630z)	Day 1 Tornado	Day 1 Hail	Day 1 Wind


Watch #0213	MCD #0738	MCD #0742	MPD #274


Davenport 7 AM 5/22 Sounding	Davenport 2 PM 5/22 Special Sounding	Davenport 7 PM 5/22 Sounding	Lincoln, IL 7 PM 5/22 Sounding

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Arctic Air Mass Lingers for Areas of the East; Critical Fire Weather for the Plains; Active Weather Pattern for Hawaii

Severe Storms Summary May 22nd