Alert archive / Iowa / High Wind Warnings in 2018

High Wind Warning 1, NWS La Crosse, WI

June 2, 20186 counties in Iowa

NWS La Crosse, WI issued this high wind warning at Jun 2, 2018, 9:28 AM CDT for 6 counties in Iowa. It was in force for 72 min. 1 report came from inside the area while it was in force.

The area

The counties it named, with what was reported inside it.

The facts

Issued
Jun 2, 2018, 9:28 AM CDT (14:28 UTC)
Expired
Jun 2, 2018, 10:40 AM CDT
In force
72 min
Issued by
NWS La Crosse, WI

Counties Chickasaw County, IA, Fayette County, IA, Floyd County, IA, Howard County, IA, Mitchell County, IA, Winneshiek County, IA

The radar

The La Crosse radar (KARX), 117 km from the middle of the area, began a volume at 14:44 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.

What was reported inside it

TimeReportWhereRemark
Jun 2, 10:00 AM CDTTSTM WND DMGCresco, IATREE BLOWN DOWN IN CRESCO.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 2.5 hours before the alert went out and 214 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 12:00Z on 2018-06-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 77 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Minneapolis, MN at 12:00Z on 2018-06-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 299 square meters per square second.19395878Sfc1 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
77 J/kg
Mixed-layer CIN
-237 J/kg
Mixed-layer LCL
633 m above ground
0-6 km bulk shear
38 kt
0-1 km storm-relative helicity
299 m²/s²
0-3 km storm-relative helicity
315 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

716 
WWUS73 KARX 021428
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
928 AM CDT Sat Jun 2 2018

...High Wind Warning For Portions of Northeast Iowa...

.Easterly wind gusts of 60 to 70 mph with some damage have been
reported from Mason City to Hampton Iowa. In addition, power lines
have been reported down from Stacyville to Osage to New Haven. 
Expect wind gusts of 50 to 60 mph with isolated gusts to 70 mph as
showers and thunderstorms move eastward. 

IAZ008-009-018-019-029-021700-
/O.NEW.KARX.HW.W.0001.180602T1428Z-180602T1700Z/
Mitchell-Howard-Floyd-Chickasaw-Fayette-
Including the cities of Osage, Cresco, Charles City, New Hampton,
and Oelwein
928 AM CDT Sat Jun 2 2018

...HIGH WIND WARNING IN EFFECT UNTIL NOON CDT TODAY...

The National Weather Service in La Crosse has issued a High Wind
Warning, which is in effect until noon CDT today. 

* TIMING...Through Noon.

* WINDS...50 to 60 mph with isolated gusts to 70 mph. 

* IMPACTS...Trees and power lines may come down. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

Rogers
2 follow-up statements
079 
WWUS73 KARX 021444
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
944 AM CDT Sat Jun 2 2018

...High Wind Warning For Portions of Northeast Iowa...

.Easterly wind gusts of 60 to 70 mph with some damage have been
reported from Mason City to Hampton Iowa. In addition, power
lines have been reported down from Stacyville to Osage to New
Haven. Expect wind gusts of 50 to 60 mph with isolated gusts to
70 mph as showers and thunderstorms move eastward.

IAZ010-021700-
/O.EXA.KARX.HW.W.0001.000000T0000Z-180602T1700Z/
Winneshiek-
Including the city of Decorah
944 AM CDT Sat Jun 2 2018

...HIGH WIND WARNING IN EFFECT UNTIL NOON CDT TODAY...

The National Weather Service in La Crosse has issued a High Wind
Warning, which is in effect until noon CDT today. 

* TIMING...Through Noon.

* WINDS...50 to 60 mph with isolated gusts to 70 mph.

* IMPACTS...Trees and power lines may come down.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

IAZ008-009-018-019-029-021700-
/O.CON.KARX.HW.W.0001.000000T0000Z-180602T1700Z/
Mitchell-Howard-Floyd-Chickasaw-Fayette-
Including the cities of Osage, Cresco, Charles City, New Hampton,
and Oelwein
944 AM CDT Sat Jun 2 2018

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL NOON CDT TODAY...

* TIMING...Through Noon.

* WINDS...50 to 60 mph with isolated gusts to 70 mph.

* IMPACTS...Trees and power lines may come down.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A High Wind Warning means a hazardous high wind event is expected
or occurring. Sustained wind speeds of at least 40 mph or gusts
of 58 mph or more can lead to property damage.

&&

$$

Rogers
547 
WWUS73 KARX 021540
NPWARX

URGENT - WEATHER MESSAGE
National Weather Service La Crosse WI
1040 AM CDT Sat Jun 2 2018

...High Wind Warning Cancelled...

.Damaging winds associated with weakening thunderstorms earlier
this morning have diminished. While some easterly wind gusts up to
30 mph are still possible, the high wind threat has ended. 

IAZ008>010-018-019-029-021645-
/O.CAN.KARX.HW.W.0001.000000T0000Z-180602T1700Z/
Mitchell-Howard-Winneshiek-Floyd-Chickasaw-Fayette-
Including the cities of Osage, Cresco, Decorah, Charles City, 
New Hampton, and Oelwein
1040 AM CDT Sat Jun 2 2018

...HIGH WIND WARNING IS CANCELLED...

The National Weather Service in La Crosse has cancelled the High
Wind Warning. 

The high wind threat associated with weakening thunderstorms has 
ended. Some gusts to 30 mph are still possible through noon. 

$$

Rogers

The office that day

Everything else NWS La Crosse, WI issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 2, 5:31 PM CDTSpecial Weather StatementARXFayette, Winneshiek29 min
Jun 2, 6:14 PM CDTSpecial Weather StatementARXAllamakee, Clayton, Fayette, Winneshiek31 min
Jun 2, 6:53 PM CDTSpecial Weather StatementARXAllamakee, Clayton22 min

Nearby

High Wind Warnings in Iowa, 2018Every high wind warning in 2018

Sources

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