Heavy lake-effect and lake-enhanced snow will persist downwind of the Great Lakes and produce some whiteout conditions that could cause difficult travel conditions. A coastal low will produce moderate to heavy snow over parts of southern and eastern New England into the afternoon. Below average temperatures are expected across the eastern U.S., particularly with chilly morning temperatures. Read More >
Overview
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Severe thunderstorms moved across eastern Iowa and western Illinois during the late afternoon and evening. These low topped supercell thunderstorms produced funnel clouds and two brief tornado touchdowns near Walcott and Donahue. No damage was reported or seen with these touchdowns. |
 Fronts / Pressure Map 7 pm July 9th, 2019 |
Tornadoes:
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Tornado - 1 NW Walcott, IA
Track Map  
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Tornado - 2 S Donahue, IA
Track Map |
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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 |
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Storm Reports
| Interactive Storm Report Map | SPC Storm Reports |
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PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1222 AM CDT WED JUL 10 2019
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0741 PM TORNADO 2 SSE DONAHUE 41.67N 90.66W
07/09/2019 SCOTT IA TRAINED SPOTTER
A TRAINED SPOTTER OBSERVED A BRIEF TORNADO
IN AN OPEN FIELD. THE TORNADO CAUSED NO
DAMAGE FROM WHICH THE NWS COULD ASSIGN AN
EF-SCALE RATING.
0741 PM FUNNEL CLOUD 3 SSE DONAHUE 41.65N 90.64W
07/09/2019 SCOTT IA NWS EMPLOYEE
BRIEF FUNNEL CLOUD SEEN TO NORTHWEST OF NWS
OFFICE. LASTED LESS THAN 1 MINUTE. LOCATION
APPROXIMATE.
0708 PM FUNNEL CLOUD 2 S MASSILLON 41.89N 90.92W
07/09/2019 CEDAR IA PUBLIC
BRIEF FUNNEL.
0705 PM TORNADO 1 W WALCOTT 41.62N 90.79W
07/09/2019 SCOTT IA LAW ENFORCEMENT
STATE TROOPERS REPORTED A BRIEF TORNADO
TOUCHDOWN NEAR WALCOTT AT APPROXIMATELY 7:05
PM. THE FEATURE HAD SINCE DISSIPATED, BUT
ROTATION IN THE CLOUDS AS STILL SEEN TO THE
NORTH OF WALCOTT.
0542 PM FUNNEL CLOUD CALAMUS 41.83N 90.76W
07/09/2019 CLINTON IA PUBLIC
ROTATING WALL CLOUD WITH BRIEF FUNNEL
EXTENDING HALF WAY TO THE GROUND EAST OF
CALAMUS. FEATURE HAS SINCE DISSIPATED.
Rain Reports
| Local Rain Map | Regional Rain Map |
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Environment
SPC EVENT REVIEW PAGE: 7/09/2019
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| 8 AM OUTLOOK | 8 AM TORNADO OUTLOOK | 8 AM WIND OUTLOOK | 8 AM HAIL OUTLOOK |
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| MCD 1424 |
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| 7 AM DAVENPORT, IA SOUNDING | 7 PM DAVENPORT, IA |
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