Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Swells and high surf from both Imelda and Humberto are expected to bring dangerous marine and rip current conditions to the east coast of Florida and Georgia today, spreading north along much of the east coast of the U.S. this week. Heavy rainfall north and west of Imelda falling across coastal Florida and Georgia into the Carolinas could cause isolated flash and urban flooding through Tuesday. Read More >

Overview

Thunderstorms developed late in the evening of May 6 and continued into the early morning hours of May 7. The storms mainly produced large hail, but locally heavy rain and gusty winds also occurred at a few locations.

Radar
Storm Reports
Environment

Radar


Radar Image at 1130PM EDT May 6	Radar Image at 1210 AM EDT May 7	Radar Image at 130 AM EDT May 7

Storm Reports

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE INDIANAPOLIS IN


..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1135 PM     HAIL             COVINGTON               40.14N 87.39W
05/06/2023  E1.75 INCH       FOUNTAIN           IN   PUBLIC

            RECEIVED VIA SOCIAL MEDIA.

1135 PM     HAIL             COVINGTON               40.14N 87.39W
05/06/2023  M2.25 INCH       FOUNTAIN           IN   PUBLIC

            RELAYED BY BROADCAST MEDIA.

1140 PM     HAIL             5 N COVINGTON           40.19N 87.39W
05/06/2023  E3.00 INCH       FOUNTAIN           IN   PUBLIC

            PUBLIC REPORTS VIA SOCIAL MEDIA OF 2-3 INCH
            DIAMETER HAIL.

1155 PM     HAIL             WILLIAMSPORT            40.29N 87.29W
05/06/2023  E2.50 INCH       WARREN             IN   PUBLIC

            REPORT VIA TWITTER. TIME ESTIMATED VIA
            RADAR.

1210 AM     HAIL             1 SSW DARLINGTON        40.10N 86.78W
05/07/2023  E1.25 INCH       MONTGOMERY         IN   PUBLIC


1225 AM     HAIL             3 WSW THORNTOWN         40.12N 86.67W
05/07/2023  M1.00 INCH       BOONE              IN   PUBLIC

1259 AM     HAIL             3 WSW THORNTOWN         40.12N 86.67W
05/07/2023  E0.70 INCH       BOONE              IN   PUBLIC

0135 AM     HAIL             1 NNW LEBANON           40.06N 86.48W
05/07/2023  E0.88 INCH       BOONE              IN   PUBLIC

0135 AM     HAIL             LEBANON                 40.05N 86.47W
05/07/2023  M1.50 INCH       BOONE              IN   PUBLIC

            LATE REPORT OF FACEBOOK PHOTO SHOWING MAINLY
            1.00 HAIL WITH ONE 1.6 INCH HAILSTONE.

0137 AM     HAIL             1 WSW LEBANON           40.05N 86.49W
05/07/2023  U1.00 INCH       BOONE              IN   PUBLIC

            REPORT FROM MPING: QUARTER (1.00 IN.).

0153 AM     HAIL             4 SE ELIZAVILLE         40.09N 86.31W
05/07/2023  E1.00 INCH       BOONE              IN   TRAINED SPOTTER

            HAIL UP TO QUARTER SIZE FALLING AT A RAPID
            RATE.

0350 AM     HAIL             SUMMITVILLE             40.33N 85.65W
05/07/2023  U0.75 INCH       MADISON            IN   PUBLIC

            REPORT FROM MPING: DIME (0.75 IN.).

0415 AM     TSTM WND GST     3 WSW FRANKFORT         40.27N 86.57W
05/07/2023  M52 MPH          CLINTON            IN   AWOS

            AWOS STATION KFKR FRANKFORT.

0420 AM     TSTM WND GST     4 ENE CLARKS HILL       40.26N 86.66W
05/07/2023  M55 MPH          CLINTON            IN   MESONET

            MESONET STATION IN006 FRANKFORT.

0622 AM     HAIL             INDIANA STATE UNIVERSIT 39.47N 87.41W
05/07/2023  U0.50 INCH       VIGO               IN   PUBLIC

            REPORT FROM MPING: HALF-INCH (0.50 IN.).

Environment

Thunderstorms developed near a warm front.


Figure 1: Surface Map at 11pm EDT May 6	Figure 2: Most Unstable CAPE at 12 AM May 7	Figure 3: Effective Shear at 12am May 7

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Coastal and Marine Impacts from Imelda and Humberto as Both Track Away from the Southeast U.S.

Severe Storms of May 6 and 7, 2023