Alert archive / Iowa / Special Weather Statements in 2016

Special Weather Statement, NWS Des Moines, IA

June 10, 2016Hancock County, Iowa

NWS Des Moines, IA issued this special weather statement at Jun 10, 2016, 9:53 PM CDT for Hancock County, Iowa. It was in force for 52 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jun 10, 2016, 9:53 PM CDT (02:53 UTC)
Expired
Jun 10, 2016, 10:45 PM CDT
In force
52 min
Issued by
NWS Des Moines, IA

County Hancock County, IA

The radar

The Des Moines radar (KDMX), 142 km from the middle of the area, began a volume at 02:53 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

Minneapolis, MN (KMPX), launched 00:00Z, 2.9 hours before the alert went out and 210 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, Minneapolis, MN at 00:00Z on 2016-06-11Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1514 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, Minneapolis, MN at 00:00Z on 2016-06-11The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 12 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
1514 J/kg
Mixed-layer CIN
-175 J/kg
Mixed-layer LCL
1352 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
12 m²/s²
0-3 km storm-relative helicity
68 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.4

Open this sounding in Storm Lab

The text

As transmitted.

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What forecasters said that day

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

NWS Des Moines, IA wrote its last area forecast discussion before this special weather statement went out at Jun 10, 6:40 PM CDT, 3 hours 13 minutes earlier.

Area forecast discussion, Jun 10, 6:40 PM CDT, 3 hours 13 minutes before
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Hazardous weather outlook, Jun 10, 4:01 PM CDT, 5 hours 52 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE DES MOINES IA
401 PM CDT FRI JUN 10 2016

IAZ048-059-060-112115-
STORY-DALLAS-POLK-
401 PM CDT FRI JUN 10 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

A HEAT ADVISORY IS IN EFFECT FOR THE AREA THIS AFTERNOON AND
TONIGHT. PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

A HEAT ADVISORY IS IN EFFECT FOR THE AREA SATURDAY AND SUNDAY.
PLEASE REFER TO THE NATIONAL WEATHER SERVICE WEBSITE AT
WEATHER.GOV/DESMOINES FOR FURTHER DETAILS.

ADDITIONAL PERIODS OF THUNDERSTORMS ARE EXPECTED SUNDAY NIGHT
THROUGH THURSDAY. THE POTENTIAL FOR SEVERE THUNDERSTORMS REMAINS
LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS NOT EXPECTED AT THIS TIME.

IAZ004>007-015>017-024>028-039-112115-
EMMET-KOSSUTH-WINNEBAGO-WORTH-PALO ALTO-HANCOCK-CERRO GORDO-
HUMBOLDT-WRIGHT-FRANKLIN-BUTLER-BREMER-BLACK HAWK-
401 PM CDT FRI JUN 10 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

ISOLATED SEVERE STORMS ARE POSSIBLE THROUGH THIS EVENING. THE MAIN
THREAT WILL BE LARGE HAIL AND DAMAGING WINDS.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SCATTERED THUNDERSTORMS MAY DEVELOP SATURDAY AFTERNOON OR EARLY
EVENING ALONG AND EAST OF INTERSTATE 35. A FEW STORMS MAY BE
SEVERE WITH DAMAGING WINDS AND LARGE HAIL.

ADDITIONAL PERIODS OF THUNDERSTORMS ARE EXPECTED SUNDAY NIGHT
THROUGH THURSDAY. THE POTENTIAL FOR SEVERE THUNDERSTORMS REMAINS
LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE TONIGHT AND AGAIN ON SATURDAY.

IAZ023-033>038-044>047-049-050-057-058-061-062-070>075-081>086-
092>097-112115-
POCAHONTAS-SAC-CALHOUN-WEBSTER-HAMILTON-HARDIN-GRUNDY-CRAWFORD-
CARROLL-GREENE-BOONE-MARSHALL-TAMA-AUDUBON-GUTHRIE-JASPER-
POWESHIEK-CASS-ADAIR-MADISON-WARREN-MARION-MAHASKA-ADAMS-UNION-
CLARKE-LUCAS-MONROE-WAPELLO-TAYLOR-RINGGOLD-DECATUR-WAYNE-
APPANOOSE-DAVIS-
401 PM CDT FRI JUN 10 2016

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF CENTRAL IOWA.

.DAY ONE...THIS AFTERNOON AND TONIGHT

NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.

.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY

SCATTERED THUNDERSTORMS MAY DEVELOP SATURDAY AFTERNOON OR EARLY
EVENING ALONG AND EAST OF INTERSTATE 35. A FEW STORMS MAY BE
SEVERE WITH DAMAGING WINDS AND LARGE HAIL.

ADDITIONAL PERIODS OF THUNDERSTORMS ARE EXPECTED SUNDAY NIGHT
THROUGH THURSDAY. THE POTENTIAL FOR SEVERE THUNDERSTORMS REMAINS
LOW AT THIS TIME.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE NEEDED LATE SATURDAY.

KLP

In the hours before

Special weather statement, Jun 10, 7:50 PM CDT, 2 hours 3 minutes before
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Local storm report, Jun 10, 8:05 PM CDT, 1 hour 48 minutes before
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Special weather statement, Jun 10, 8:46 PM CDT, 1 hour 7 minutes before
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Special weather statement, Jun 10, 8:50 PM CDT, 1 hour 3 minutes before
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Special weather statement, Jun 10, 9:23 PM CDT, 30 minutes before
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Special weather statement, Jun 10, 9:53 PM CDT, 0 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 7:50 PM CDTSpecial Weather StatementDMXFranklin55 min
Jun 10, 8:46 PM CDTSpecial Weather StatementDMXPalo Alto44 min
Jun 10, 8:50 PM CDTSpecial Weather StatementDMXWinnebago, Worth55 min
Jun 10, 9:23 PM CDTSpecial Weather StatementDMXKossuth37 min
Jun 10, 10:18 PM CDTSpecial Weather StatementDMXCerro Gordo, Winnebago, Worth42 min
Jun 10, 10:33 PM CDTFlash Flood WarningDMXCerro Gordo, Winnebago, Worth6 hr
Jun 10, 10:43 PM CDTSpecial Weather StatementDMXWright47 min
Jun 11, 12:25 AM CDTSpecial Weather StatementDMXBlack Hawk, Grundy, Hardin, Tama65 min
Jun 11, 1:09 AM CDTSpecial Weather StatementDMXPoweshiek, Tama51 min
Jun 11, 2:28 AM CDTSpecial Weather StatementDMXBremer47 min
Jun 11, 2:47 AM CDTSevere Thunderstorm WarningDMXBremer, Butler43 min
Jun 11, 3:31 AM CDTSpecial Weather StatementDMXBlack Hawk59 min
Jun 11, 4:37 AM CDTSpecial Weather StatementDMXJasper, Polk, Poweshiek53 min
Jun 11, 8:26 AM CDTSpecial Weather StatementDMXWayne64 min
Jun 11, 9:08 AM CDTSpecial Weather StatementDMXWarren52 min
Jun 11, 10:37 AM CDTSpecial Weather StatementDMXClarke53 min
Jun 11, 4:09 PM CDTSevere Thunderstorm WarningDMXHumboldt, Kossuth, Palo Alto, Pocahontas51 min

Nearby

Special Weather Statements in Iowa, 2016Every special weather statement in 2016

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.