Alert archive / Iowa / Severe Thunderstorm Warnings in 1994

Severe Thunderstorm Warning 155, NWS Des Moines, IA

July 31, 1994Buena Vista County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jul 31, 1994, 7:35 PM CDT for Buena Vista County, Iowa. It was in force for 25 min.

The area

The counties it named.

The facts

Issued
Jul 31, 1994, 7:35 PM CDT (00:35 UTC)
Expired
Jul 31, 1994, 8:00 PM CDT
In force
25 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Buena Vista County, IA

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 31, 5:24 PM CDT, 2 hours 11 minutes before
IAZALL-312330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
523 PM CDT SUN JUL 31 1994

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM CDT FOR
NORTHERN AND CENTRAL IOWA...

AT 525 PM CDT SEVERE THUNDERSTORMS WERE MOVING ACROSS EXTREME SOUTHERN
MINNESOTA...NEAR THE IOWA BORDER.  THESE STORMS PRODUCED BASEBALL SIZED
HAIL AND WERE MOVING TO THE SOUTHEAST AT 15 MILES AN HOUR.  THE STORMS
WILL CROSS THE IOWA BORDER BY 6 PM CDT AND WILL MOVE TOWARDS THE CITIES
OF MASON CITY AND CHARLES CITY.  WEATHER SERVICE DOPPLER RADAR ALSO
SHOWED THUNDERSTORMS MOVING OVER FOREST CITY IN FLOYD COUNTY...IN NORTH
CENTRAL IOWA.  THIS STORM WAS MOVING SOUTHEAST AT 15 MILES AN HOUR.

PEOPLE IN NORTHERN AND CENTRAL IOWA SHOULD KEEP AN EYE TO THE SKY AND BE
PREPARED TO SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.

FAB
Special weather statement, Jul 31, 5:42 PM CDT, 1 hour 53 minutes before
IAZALL-312345-

SPECIAL WEATHER STATEMENT AND RADAR SUMMARY
NATIONAL WEATHER SERVICE DES MOINES IA
5 30 PM CDT SUN JUL 31 1994

A SEVERE THUNDERSTORM WATCH IS IN EFFECT FOR PORTIONS OF NORTHERN AND
CENTRAL IOWA UNTIL 10 PM THIS SUNDAY EVENING...

AT 5 30 PM CDT...THUNDERSTORMS IN NORTH CENTRAL IOWA CONTINUED TO
INCREASE IN INTENSITY.  INTENSE THUNDERSTORMS WERE LOCATED NEAR LOCATED
ABOUT 15 MILES NORTHWEST OF MASON CITY...AND ALSO ALONG THE MINNESOTA
BORDER NORTH OF OSAGE.  VERY HEAVY RAINS...STRONG GUSTY WINDS...AND
HAIL CAN BE EXPECTED WITH THE PASSAGE OF THESE STORMS.

THE STORMS WERE MOVING TO THE SOUTHEAST AT 15 MILES AN HOUR.

SCOTT
Special weather statement, Jul 31, 6:02 PM CDT, 1 hour 33 minutes before
IAZALL-312330-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
523 PM CDT SUN JUL 31 1994

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 10 PM CDT FOR
NORTHERN AND CENTRAL IOWA...

AT 525 PM CDT SEVERE THUNDERSTORMS WERE MOVING ACROSS EXTREME SOUTHERN
MINNESOTA...NEAR THE IOWA BORDER.  THESE STORMS PRODUCED BASEBALL SIZED
HAIL AND WERE MOVING TO THE SOUTHEAST AT 15 MILES AN HOUR.  THE STORMS
WILL CROSS THE IOWA BORDER BY 6 PM CDT AND WILL MOVE TOWARDS THE CITIES
OF MASON CITY AND CHARLES CITY.  WEATHER SERVICE DOPPLER RADAR ALSO
SHOWED THUNDERSTORMS MOVING OVER FOREST CITY IN FLOYD COUNTY...IN NORTH
CENTRAL IOWA.  THIS STORM WAS MOVING SOUTHEAST AT 15 MILES AN H4OUR.

PEOPLE IN NORTHERN AND CENTRAL IOWA SHOULD KEEP AN EYE TO THE SKY AND BE
PREPARED TO SEEK SHELTER SHOULD THREATENING WEATHER APPROACH.

FAB
Special weather statement, Jul 31, 6:15 PM CDT, 1 hour 20 minutes before
IAZALL-010015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
615 PM CDT SUN JUL 31 1994

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHERN AND
CENTRAL IOWA UNTIL 10 PM CDT...

AT 615 PM CDT WEATHER SERVICE DOPPLER RADAR INDICATED A COUPLE OF SEVERE
THUNDERSTORMS IN NORTH CENTRAL IOWA.  ONE STORM WAS LOCATED ABOUT 5
MILES WEST OF MASON CITY AND THE OTHER STROM WAS ABOUT 25 MILES NORTH OF
MASON CITY.  THESE STORMS WERE MOVING SOUTHEAST AT 15 MILES AN HOUR AND
SHOULD ENTER MASON CITY BY 630 PM CDT.

RADAR AND SATELLITE DATA ALSO INDICATED THUNDERSTORMS DEVELOPING JUST
WEST OF SIOUX CITY IOWA AND ANOTHER BAND OF THUNDERSTORMS ABOUT 35 MILES
SOUTH OF THE DES MOINES METRO AREA.  THESE STORMS WERE ALSO MOVING TO
THE SOUTHEAST AT 15 MILES AN HOUR.

THE ATMOSPHERE IS VERY UNSTABLE OVER IOWA AND THUNDERSTORMS CAN DEVELOP
RATHER QUICKLY.  IF THREATENING WEATHER APPROACHES YOUR AREA SEEK
SHELTER IMMEDIATELY.

FAB

&
Special weather statement, Jul 31, 6:16 PM CDT, 1 hour 19 minutes before
IAZALL-010015-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
615 PM CDT SUN JUL 31 1994

...A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT FOR NORTHERN AND
CENTRAL IOWA UNTIL 10 PM CDT...

AT 615 PM CDT WEATHER SERVICE DOPPLER RADAR INDICATED A COUPLE OF SEVERE
THUNDERSTORMS IN NORTH CENTRAL IOWA.  ONE STORM WAS LOCATED ABOUT 5
MILES WEST OF MASON CITY AND THE OTHER STROM WAS ABOUT 25 MILES NORTH OF
MASON CITY.  THESE STORMS WERE MOVING SOUTHEAST AT 15 MILES AN HOUR AND
SHOULD ENTER MASON CITY BY 630 PM CDT.

RADAR AND SATELLITE DATA ALSO INDICATED THUNDERSTORMS DEVELOPING JUST
WEST OF SIOUX CITY IOWA AND ANOTHER BAND OF THUNDERSTORMS ABOUT 35 MILES
SOUTH OF THE DES MOINES METRO AREA.  THESE STORMS WERE ALSO MOVING TO
THE SOUTHEAST AT 15 MILES AN HOUR.

THE ATMOSPHERE IS VERY UNSTABLE OVER IOWA AND THUNDERSTORMS CAN DEVELOP
RATHER QUICKLY.  IF THREATENING WEATHER APPROACHES YOUR AREA SEEK
SHELTER IMMEDIATELYN.

FAB

&
Special weather statement, Jul 31, 6:45 PM CDT, 50 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jul 31, 7:59 PM CDTSevere Thunderstorm WarningDMXWright33 min
Jul 31, 7:59 PM CDTSevere Thunderstorm WarningDMXHumboldt46 min
Jul 31, 10:19 PM CDTSevere Thunderstorm WarningDMXGreene37 min
Jul 31, 11:54 PM CDTSevere Thunderstorm WarningDMXJasper36 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1994Every severe thunderstorm warning in 1994

Sources

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