Alert archive / Iowa / Severe Thunderstorm Warnings in 1987

Severe Thunderstorm Warning 103, NWS Des Moines, IA

July 24, 1987Boone County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jul 24, 1987, 7:49 PM CDT for Boone County, Iowa. It was in force for 41 min.

The area

The counties it named.

The facts

Issued
Jul 24, 1987, 7:49 PM CDT (00:49 UTC)
Expired
Jul 24, 1987, 8:30 PM CDT
In force
41 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Boone County, IA

The radar

The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.

The text

The text of this product is not in the archive. The NWS text archive before 2002 is incomplete.

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

In the hours before

Special weather statement, Jul 24, 3:38 PM CDT, 4 hours 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
435 PM CDT FRI JUL 24 1987

...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND NORTHWEST IOWA UNTIL
8 PM THIS EVENING...

AT 425 PM...SHOWERS HAD ENTERED NORTHWEST IOWA...JUST NORTH OF SIOUX
CITY.

STRONG THUNDERSTORMS REMAIN TO THE WEST OF IOWA AT THIS TIME.

THE SHOWERS AND STORMS WERE MOVING EAST AT 20 MILES AN HOUR.

KS
Special weather statement, Jul 24, 4:38 PM CDT, 3 hours 11 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
535 PM CDT FRI JUL 24 1987

...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND NORTHWEST IOWA UNTIL
8 PM THIS EVENING...

AT 530 PM...SHOWERS AND THUNDERSHOWERS CONTINUED TO SPREAD INTO
NORTHWEST IOWA.  ALL RAINFALL WAS NORTH AND WEST OF A SIOUX CITY/
IOWA GREAT LAKES LINE.

INTENSE THUNDERSTORMS WERE 70 MILES WEST OF THE IOWA/NEBRASKA
BORDER.

THE SHOWERS A&ND STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

KS
Special weather statement, Jul 24, 5:39 PM CDT, 2 hours 10 minutes before
SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
535 PM CDT FRI JUL 24 1987

...SEVERE THUNDERSTORM WATCH FOR CENTRAL AND NORTHWEST IOWA UNTIL
8 PM THIS EVENING...

NO SEVERE WEATHER HAS BEEN REPORTED IOWA IN BETWEEN 435 - 535 PM.

AT 530 PM...SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS WERE IN
NORTHWEST IOWA.  ALL RAINFALL WAS NORTHWEST OF A CARROLL/FORT DODGE
LINE.

THE STRONGEST STORM WAS BETWEEN IDA GROVE AND HOLSTEIN...50 MILES
EAST OF SIOUX CITY.  OTHER THUNDERSTORMS WERE NEAR ROCKWELL CITY
AND LAKE VIEW...80 MILES EAST OF SIOUX CITY.

STRONGER THUNDERSTORMS REMAIN TO THE WEST OF IOWA...IN NORTHEAST
NEBRASKA.
/
THE SHOWERS AND STORMS WERE MOVING SOUTHEAST AT 25 MILES AN HOUR.

KS

The office that day

Everything else NWS Des Moines, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 24, 7:11 PM CDTSevere Thunderstorm WarningDMXStory64 min
Jul 24, 8:15 PM CDTSevere Thunderstorm WarningDMXPolk30 min
Jul 24, 8:25 PM CDTSevere Thunderstorm WarningDMXPolk35 min
Jul 24, 9:06 PM CDTSevere Thunderstorm WarningDMXBoone, Greene39 min
Jul 24, 10:30 PM CDTSevere Thunderstorm WarningDMXVan Buren30 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1987Every severe thunderstorm warning in 1987

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text.