Alert archive / Iowa / Severe Thunderstorm Warnings in 1995

Severe Thunderstorm Warning 47, NWS Des Moines, IA

June 6, 1995Hamilton County, Iowa

NWS Des Moines, IA issued this severe thunderstorm warning at Jun 6, 1995, 11:25 PM CDT for Hamilton County, Iowa. It was in force for 35 min.

The area

The counties it named.

The facts

Issued
Jun 6, 1995, 11:25 PM CDT (04:25 UTC)
Expired
Jun 7, 1995, 12:00 AM CDT
In force
35 min
Issued by
NWS Des Moines, IA
Area
Whole counties

County Hamilton County, IA

The radar

The Des Moines radar (KDMX), 73 km from the middle of the area, began a volume at 04:26 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Omaha, NE (KOAX), launched 00:00Z, 4.4 hours before the alert went out and 250 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Omaha, NE at 00:00Z on 1995-06-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2589 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Omaha, NE at 00:00Z on 1995-06-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 70 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
2589 J/kg
Mixed-layer CIN
-13 J/kg
Mixed-layer LCL
1343 m above ground
0-6 km bulk shear
21 kt
0-1 km storm-relative helicity
70 m²/s²
0-3 km storm-relative helicity
108 m²/s²
Significant tornado parameter
0.0
Supercell composite
4.3

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
TTAA00 KDSM 070424 RRA
SVRDSM
IAC079-070500-

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE DES MOINES IA
1125 PM CDT TUE JUN 6 1995

* SEVERE THUNDERSTORM WARNING FOR
  HAMILTON COUNTY - CENTRAL IOWA

* UNTIL MIDNIGHT CDT
 
* SOME TOWNS AFFECTED
    WEBSTER CITY
    KARMAR
    JEWELL

* AT 1123 PM CDT RADAR INDICATED A SEVERE THUNDERSTORM 8 MILES
  NORTHEAST OF WEBSTER CITY OR 20 MILES EAST OF FORT DODGE MOVING SOUTH
  AT 25 MPH.

* THE STORM WILL BE NEAR KARMAR BY 1135 AND JUST WEST OF JEWELL BY 1145.

  HAIL UP TO QUARTER SIZE IS LIKELY.  DO NOT GO OUTDOORS.

PYTLAK

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, Jun 6, 8:50 PM CDT, 2 hours 35 minutes before
IAZALL-060300-

SPECIAL WEATHER STATEMENT
NATIONAL WEATHER SERVICE DES MOINES IA
850 PM CDT TUE JUN 6 1995

A PORTION OF THE SEVERE THUNDERSTORM WATCH HAS BEEN CANCELLED.
THE FOLLOWING COUNTIES ARE NO LONGER IN THE WATCH.

WINNEBAGO...HANCOCK...WORTH...CERRO GORDO...FLOYD...MITCHELL...AND
HOWARD.

THE REST OF THE SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL
MIDNIGHT TONIGHT.

MS JUN 95
Local storm report, Jun 6, 9:52 PM CDT, 1 hour 33 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
952 PM CDT TUE JUN 6 1995

TIME(CDT)   .....CITY LOCATION.....  ST   ...EVENT/REMARKS...
DATE(CDT)   ....COUNTY LOCATION....
1825 CDT   5E BUFFALO CENTER         IA   3/4 INCH DIAMETER HAIL
06/06/95   WINNEBAGO COUNTY

1830 CDT   2N FOREST CITY            IA   1.75 INCH DIAMETER HAIL
06/06/95   WINNEBAGO COUNTY

1830 CDT   LAKE MILLS                IA   3/4 INCH DIAMETER HAIL
06/06/95   WINNEBAGO COUNTY

1830 CDT   10NE LAKOTA               IA   3/4 INCH DIAMETER HAIL
06/06/95   KOSSUTH COUNTY

1835 CDT   4W FOREST CITY            IA   BRIEF TORNADO TOUCHDOWN
06/06/95   WINNEBAGO COUNTY

1840 CDT   2N FOREST CITY            IA   WIND DAMAGE AND CANOE BLOWN
06/06/95   WINNEBAGO COUNTY               UPHILL

1840 CDT   2N FOREST CITY            IA   1.9 INCHES OF RAIN IN LESS
06/06/95   WINNEBAGO COUNTY               THAN AN HOUR

1845 CDT   FOREST CITY               IA   75 MPH WINDS
06/06/95   WINNEBAGO COUNTY

1918 CDT   MASON CITY AIRPORT        IA   3/4 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

1920 CDT   4N MASON CITY AIRPORT     IA   SEMI OVERTURNED ON I-35 BY
06/06/95   CERRO GORDO COUNTY             HIGH WINDS

1921 CDT   4NW MASON CITY AIRPORT    IA   CONFIRMED TORNADO TOUCHDOWN
06/06/95   CERRO GORDO COUNTY             BARN DESTROYED

1921 CDT   5NW MASON CITY            IA   3/4 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

1925 CDT   WESTERN MASON CITY        IA   1 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

1925 CDT   3W OF MASON CITY          IA   SHERRIFF REPORTS TORNADO
06/06/95   CERRO GORDO COUNTY             STILL ON GROUND

1926 CDT   WESTERN MASON CITY        IA   60 MPH WINDS
06/06/95   CERRO GORDO COUNTY

1931 CDT   4S MASON CITY             IA   FUNNEL CLOUD
06/06/95   CERRO GORDO

1934 CDT   4S MASON CITY             IA   1 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

2000 CDT   1N AND 21/2E HAMPTON      IA   FUNNEL CLOUDS
06/06/95   FRANKLIN COUNTY

2005 CDT   5N NEW HAMPTON            IA   2.4 INCHES IN 45 MINUTES
06/06/95   FRANKLIN

2015 CDT   SOUTH OF HAMPTON AIRPORT  IA   TREES UPROOTED BY HIGH
06/06/95   FRANKLIN COUNTY                WINDS

2041 CDT   3/4E OF IOWA FALLS        IA   TORNADO TOUCHED DOWN BRIEFLY
06/06/95   HARDIN COUNTY                  AT GOLF COURSE AND COUNTRY
                                          CLUB

2123 CDT   SEVERAL LOCATIONS         IA   NUMEROUS ROADS UNDER WATER
06/06/95   FRANKLIN COUNTY                WATER...SOME 2 FEET DEEP

MS JUN 95
Local storm report, Jun 6, 9:53 PM CDT, 1 hour 32 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE DES MOINES IA
952 PM CDT TUE JUN 6 1995

TIME(CDT)   .....CITY LOCATION.....  ST   ...EVENT/REMARKS...
DATE(CDT)   ....COUNTY LOCATION....
1825 CDT   5E BUFFALO CENTER         IA   3/4 INCH DIAMETER HAIL
06/06/95   WINNEBAGO COUNTY

1830 CDT   2N FOREST CITY            IA   1.75 INCH DIAMETER HAIL
06/06/95   WINNEBAGO COUNTY

1830 CDT   LAKE MILLS                IA   3/4 INCH DIAMETER HAIL
06/06/95   WINNEBAGO COUNTY

1830 CDT   10NE LAKOTA               IA   3/4 INCH DIAMETER HAIL
06/06/95   KOSSUTH COUNTY

1835 CDT   4W FOREST CITY            IA   BRIEF TORNADO TOUCHDOWN
06/06/95   WINNEBAGO COUNTY

1840 CDT   2N FOREST CITY            IA   WIND DAMAGE AND CANOE BLOWN
06/06/95   WINNEBAGO COUNTY               UPHILL

1840 CDT   2N FOREST CITY            IA   1.9 INCHES OF RAIN IN LESS
06/06/95   WINNEBAGO COUNTY               THAN AN HOUR

1845 CDT   FOREST CITY               IA   75 MPH WINDS
06/06/95   WINNEBAGO COUNTY

1918 CDT   MASON CITY AIRPORT        IA   3/4 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

1920 CDT   4N MASON CITY AIRPORT     IA   SEMI OVERTURNED ON I-35 BY
06/06/95   CERRO GORDO COUNTY             HIGH WINDS

1921 CDT   4NW MASON CITY AIRPORT    IA   CONFIRMED TORNADO TOUCHDOWN
06/06/95   CERRO GORDO COUNTY             BARN DESTROYED

1921 CDT   5NW MASON CITY            IA   3/4 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

1925 CDT   WESTERN MASON CITY        IA   1 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

1925 CDT   3W OF MASON CITY          IA   SHERRIFF REPORTS TORNADO
06/06/95   CERRO GORDO COUNTY             STILL ON GROUND

1926 CDT   WESTERN MASON CITY        IA   60 MPH WINDS
06/06/95   CERRO GORDO COUNTY

1931 CDT   4S MASON CITY             IA   FUNNEL CLOUD
06/06/95   CERRO GORDO

1934 CDT   4S MASON CITY             IA   1 INCH DIAMETER HAIL
06/06/95   CERRO GORDO COUNTY

2000 CDT   1N AND 21/2E HAMPTON      IA   FUNNEL CLOUDS
06/06/95   FRANKLIN COUNTY

2005 CDT   5N NEW HAMPTON            IA   2.4 INCHES IN 45 MINUTES
06/06/95   FRANKLIN

2015 CDT   SOUTH OF HAMPTON AIRPORT  IA   TREES UPROOTED BY HIGH
06/06/95   FRANKLIN COUNTY                WINDS

2041 CDT   3/4E OF IOWA FALLS        IA   TORNADO TOUCHED DOWN BRIEFLY
06/06/95   HARDIN COUNTY                  AT GOLF COURSE AND COUNTRY
                                          CLUB

2123 CDT   SEVERAjL LOCATIONS         IA   NUMEROUS ROADS UNDER WATER
06/06/95   FRANKLIN COUNTY                WATER...SOME 2 FEET DEEP

MS JUN 95

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 6, 7:00 PM CDTSevere Thunderstorm WarningDMXWinnebago30 min
Jun 6, 7:03 PM CDTSevere Thunderstorm WarningDMXCerro Gordo32 min
Jun 6, 7:18 PM CDTTornado WarningDMXCerro Gordo32 min
Jun 6, 7:33 PM CDTTornado WarningDMXFranklin32 min
Jun 6, 7:45 PM CDTSevere Thunderstorm WarningDMXFloyd35 min
Jun 6, 8:04 PM CDTTornado WarningDMXFranklin31 min
Jun 6, 8:22 PM CDTSevere Thunderstorm WarningDMXWright33 min
Jun 6, 8:35 PM CDTSevere Thunderstorm WarningDMXFranklin, Hardin30 min
Jun 7, 3:14 AM CDTSevere Thunderstorm WarningDMXEmmet46 min
Jun 7, 4:09 PM CDTSevere Thunderstorm WarningDMXWinneshiek51 min

Nearby

Severe Thunderstorm Warnings in Iowa, 1995Every severe thunderstorm warning in 1995

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.