Arctic Air for the Northeast and Mid-Atlantic; Increase Rainfall for Pacific Northwest

An arctic cold front will quickly track across the Great Lakes, Northeast and mid-Atlantic. Snow showers and squalls will accompany this system with increasing winds and falling temperatures. Damaging wind gusts may result in tree damage and power outages. Meanwhile, moisture returns for the Pacific Northwest this weekend with both coverage and intensity of rainfall and higher elevation snows. Read More >

Overview

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

Tornado
Radar
Storm Reports
Rainfall
Environment

Tornadoes:

Tornado - 1 NW Walcott, IA
Scott County

Date	07/09/2019
Time (Local)	7:08 - 7:09 PM CDT
EF Rating	EF-U
Est. Peak Winds	Unknown
Path Length	0.05 miles
Max Width	10 yards
Injuries/Deaths	0 / 0
Summary: Reports from law enforcement along with pictures showed a tornado touchdown NW of Walcott, IA. The tornado caused no damage from which the NWS could assign an EF-scale rating.

Track Map


Looking west from Division St Davenport, IA	Wall cloud Southern Jones county

Tornado - 2 S Donahue, IA
Scott County

Date	07/09/2019
Time (Local)	7:41 - 7:42 PM CDT
EF Rating	EF-U
Est. Peak Winds	Unknown
Path Length	0.04 miles
Max Width	10 yards
Injuries/Deaths	0 / 0
Summary: 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.

Track Map


Looking west from De Witt	Looking west from Eldridge Photo: Jeremy Ludin	Looking west from Eldridge Photo: Jeremy Ludin

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 Report Map	SPC Storm Reports

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

Environment

SPC EVENT REVIEW PAGE: 7/09/2019



8 AM OUTLOOK	8 AM TORNADO OUTLOOK	8 AM WIND OUTLOOK	8 AM HAIL OUTLOOK



	MCD 14 24


7 AM DAVENPORT, IA SOUNDING	7 PM DAVENPORT, IA

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Arctic Air for the Northeast and Mid-Atlantic; Increase Rainfall for Pacific Northwest

Storm Event Summary July 9th, 2019