Alert archive / Iowa / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 21, NWS Quad Cities, IA

May 28, 20164 counties in Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at May 28, 2016, 2:40 PM CDT for 4 counties in Iowa. It was in force for 50 min. 7 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 28, 2016, 2:40 PM CDT (19:40 UTC)
Expired: May 28, 2016, 3:30 PM CDT
In force: 50 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Cedar County, IA, Delaware County, IA, Dubuque County, IA, Jones County, IA

The radar

The Quad Cities radar (KDVN), 77 km from the middle of the area, began a volume at 19:43 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

Time	Report	Where	Remark
May 28, 2:56 PM CDT	TSTM WND DMG	5 W Center Junction, IA	EMERGENCY MANAGER REPORTED POWER LINES DOWN AND THE ROOF BLOWN OFF OF A MACHINE SHED AT THE INTERSECTION OF COUNTY ROAD X44 AND HIGHWAY 64 SOUTH OF AMBER. CORRECTED.
May 28, 2:56 PM CDT	TSTM WND DMG	5 W Center Junction, IA	EMERGENCY MANAGER REPORTED POWR LINES DOWN AND THE ROOF BLOWN OFF OF A MACHINE SHED AT THE INTERSECTION OF COUNTY ROAD E44 AND HIGHWAY 64 SOUTH OF AMBER.
May 28, 2:56 PM CDT	TSTM WND DMG	5 W Center Junction, IA	EMERGENCY MANAGER REPORTED POWR LINES DOWN AND THE ROOF BLOWN OFF OF A MACHINE SHED AT THE INTERSECTION OF COUNTY ROAD X44 AND HIGHWAY 64 SOUTH OF AMBER. CORRECTED.
May 28, 3:00 PM CDT	FUNNEL CLOUD	8 N Olin, IA	ESTIMATED TIME. SPOTTER OBSERVED FUNNEL CLOUD A LITTLE MORE THAN HALFWAY DOWN NORTH OF OLIN. SPOTTER NEAR OLIN.
May 28, 3:17 PM CDT	TSTM WND GST 60	Cascade, IA	FIRE DEPARTMENT ESTIAMTED WIND GUST OF 60 MPH. REPORTED RELAYED BY DUBUQUE COUNTY EOC.
May 28, 3:17 PM CDT	TSTM WND GST 60	Cascade, IA	FIRE DPEARTMENT ESTIAMTED WIND GUST OF 60 MPH. REPORTED RELAYED BY DUBUQUE COUNTY EOC.
May 28, 3:22 PM CDT	HAIL 0.25	Sw Cascade, IA

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

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 28, 1:37 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.7 hours before the alert went out and 79 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 48 J/kg
Mixed-layer CIN: -32 J/kg
Mixed-layer LCL: 591 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 78 m²/s²
0-3 km storm-relative helicity: 112 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

720 
WUUS53 KDVN 281940
SVRDVN
IAC031-055-061-105-282030-
/O.NEW.KDVN.SV.W.0021.160528T1940Z-160528T2030Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
240 PM CDT SAT MAY 28 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHWESTERN DUBUQUE COUNTY IN NORTHEASTERN IOWA...
  JONES COUNTY IN EAST CENTRAL IOWA...
  SOUTHEASTERN DELAWARE COUNTY IN NORTHEASTERN IOWA...
  NORTH CENTRAL CEDAR COUNTY IN EAST CENTRAL IOWA...

* UNTIL 330 PM CDT

* AT 240 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER MORLEY...OR 7
  MILES SOUTHEAST OF ANAMOSA...MOVING NORTHEAST AT 40 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  ANAMOSA...MECHANICSVILLE...STANWOOD...DYERSVILLE...MONTICELLO...CASCADE...
  EPWORTH...FARLEY...OLIN...HOPKINTON...WORTHINGTON...MARTELLE...ONSLOW...
  MORLEY...BERNARD...CENTER JUNCTION...LANGWORTHY...SCOTCH GROVE...
  FILLMORE RECREATION AREA AND FILLMORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4240 9076 4230 9084 4229 9090 4222 9090
      4188 9115 4195 9137 4199 9137 4250 9120
TIME...MOT...LOC 1940Z 203DEG 34KT 4201 9122 

HAIL...1.00IN
WIND...<50MPH
 
$$

NICHOLS

5 follow-up statements

042 
WWUS53 KDVN 281950
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
250 PM CDT SAT MAY 28 2016

IAC031-055-061-105-282030-
/O.CON.KDVN.SV.W.0021.000000T0000Z-160528T2030Z/
DUBUQUE IA-JONES IA-DELAWARE IA-CEDAR IA-
250 PM CDT SAT MAY 28 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHWESTERN DUBUQUE...JONES...SOUTHEASTERN DELAWARE AND NORTH
CENTRAL CEDAR COUNTIES...

AT 250 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER AMBER...OR NEAR
ANAMOSA...MOVING NORTHEAST AT 40 MPH.

HAZARD...QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

LOCATIONS IMPACTED INCLUDE...
ANAMOSA...MECHANICSVILLE...STANWOOD...DYERSVILLE...MONTICELLO...CASCADE...
EPWORTH...FARLEY...OLIN...HOPKINTON...WORTHINGTON...MARTELLE...ONSLOW...
MORLEY...BERNARD...CENTER JUNCTION...LANGWORTHY...SCOTCH GROVE...FILLMORE
RECREATION AREA AND FILLMORE.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

&&

LAT...LON 4240 9076 4230 9084 4229 9090 4222 9090
      4188 9115 4195 9137 4199 9137 4250 9120
TIME...MOT...LOC 1950Z 203DEG 34KT 4210 9117 

HAIL...1.00IN
WIND...<50MPH
 
$$

NICHOLS

815 
WWUS53 KDVN 282002
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
302 PM CDT SAT MAY 28 2016

IAC031-282011-
/O.CAN.KDVN.SV.W.0021.000000T0000Z-160528T2030Z/
CEDAR IA-
302 PM CDT SAT MAY 28 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL CEDAR COUNTY IS
CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF
THE WARNED AREA. THEREFORE THE WARNING HAS BEEN CANCELLED.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHEASTERN IOWA.

LAT...LON 4240 9076 4230 9084 4229 9090 4222 9090
      4207 9101 4214 9132 4250 9120
TIME...MOT...LOC 2001Z 211DEG 32KT 4217 9109 

$$

IAC055-061-105-282030-
/O.CON.KDVN.SV.W.0021.000000T0000Z-160528T2030Z/
DUBUQUE IA-JONES IA-DELAWARE IA-
302 PM CDT SAT MAY 28 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHWESTERN DUBUQUE...NORTHERN JONES AND SOUTHEASTERN DELAWARE
COUNTIES...

AT 301 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CENTER
JUNCTION...OR 10 MILES NORTHEAST OF ANAMOSA...MOVING NORTHEAST AT 35
MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DYERSVILLE...MONTICELLO...CASCADE...EPWORTH...FARLEY...HOPKINTON...
WORTHINGTON...ONSLOW...BERNARD...CENTER JUNCTION...LANGWORTHY...SCOTCH
GROVE...FILLMORE RECREATION AREA...PICTURED ROCKS WILDLIFE AREA...
FILLMORE...TEMPLE HILL...CAMP COURAGEOUS...JONES COUNTY FAIRGROUNDS...
MONTICELLO MUNICIPAL AIRPORT AND CENTRAL PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE QUAD CITIES.

&&

LAT...LON 4240 9076 4230 9084 4229 9090 4222 9090
      4207 9101 4214 9132 4250 9120
TIME...MOT...LOC 2001Z 211DEG 32KT 4217 9109 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

NICHOLS

016 
WWUS53 KDVN 282012
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
312 PM CDT SAT MAY 28 2016

IAC055-061-105-282030-
/O.CON.KDVN.SV.W.0021.000000T0000Z-160528T2030Z/
DUBUQUE IA-JONES IA-DELAWARE IA-
312 PM CDT SAT MAY 28 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHWESTERN DUBUQUE...NORTHERN JONES AND SOUTHEASTERN DELAWARE
COUNTIES...

AT 311 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED OVER CASCADE...OR 16
MILES NORTHEAST OF ANAMOSA...MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DYERSVILLE...MONTICELLO...CASCADE...EPWORTH...FARLEY...HOPKINTON...
WORTHINGTON...ONSLOW...BERNARD...CENTER JUNCTION...LANGWORTHY...SCOTCH
GROVE...FILLMORE RECREATION AREA...PICTURED ROCKS WILDLIFE AREA...
FILLMORE...TEMPLE HILL...CAMP COURAGEOUS...JONES COUNTY FAIRGROUNDS...
MONTICELLO MUNICIPAL AIRPORT AND CENTRAL PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE QUAD CITIES.

&&

LAT...LON 4240 9076 4230 9084 4229 9090 4222 9090
      4207 9101 4214 9132 4250 9120
TIME...MOT...LOC 2011Z 203DEG 34KT 4226 9104 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

NICHOLS

390 
WWUS53 KDVN 282021
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
321 PM CDT SAT MAY 28 2016

IAC055-061-105-282030-
/O.CON.KDVN.SV.W.0021.000000T0000Z-160528T2030Z/
DUBUQUE IA-JONES IA-DELAWARE IA-
321 PM CDT SAT MAY 28 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 330 PM CDT
FOR SOUTHWESTERN DUBUQUE...NORTHEASTERN JONES AND SOUTHEASTERN
DELAWARE COUNTIES...

AT 321 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CASCADE...OR 18
MILES SOUTHWEST OF DUBUQUE...MOVING NORTHEAST AT 40 MPH.

HAZARD...60 MPH WIND GUSTS AND QUARTER SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...HAIL DAMAGE TO VEHICLES IS EXPECTED. EXPECT WIND DAMAGE TO 
         ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
DYERSVILLE...CASCADE...EPWORTH...FARLEY...HOPKINTON...WORTHINGTON...
BERNARD...FILLMORE AND FILLMORE RECREATION AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DAMAGING WINDS. PEOPLE OUTSIDE
SHOULD MOVE TO A SHELTER...INSIDE A STRONG BUILDING AND AWAY FROM
WINDOWS.

TO REPORT SEVERE WEATHER CONTACT YOUR NEAREST LAW ENFORCEMENT AGENCY.
THEY WILL SEND YOUR REPORT TO THE NATIONAL WEATHER SERVICE OFFICE IN
THE QUAD CITIES.

&&

LAT...LON 4240 9076 4230 9084 4229 9090 4222 9090
      4229 9126 4250 9120
TIME...MOT...LOC 2021Z 203DEG 34KT 4235 9099 

TORNADO...POSSIBLE
HAIL...1.00IN
WIND...60MPH
 
$$

NICHOLS

869 
WWUS53 KDVN 282029
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
329 PM CDT SAT MAY 28 2016

IAC055-061-105-282038-
/O.EXP.KDVN.SV.W.0021.000000T0000Z-160528T2030Z/
DUBUQUE IA-JONES IA-DELAWARE IA-
329 PM CDT SAT MAY 28 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN DUBUQUE...
NORTHEASTERN JONES AND SOUTHEASTERN DELAWARE COUNTIES WILL EXPIRE AT
330 PM CDT...
        
THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE AREA.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR
NORTHEASTERN IOWA.

LAT...LON 4240 9076 4230 9084 4229 9090 4222 9090
      4229 9126 4250 9120
TIME...MOT...LOC 2027Z 203DEG 34KT 4235 9099 

$$

NICHOLS

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 27, 7:19 PM CDT	Special Weather Statement	DVN	Johnson	41 min
May 27, 7:51 PM CDT	Special Weather Statement	DVN	Jefferson, Johnson, Keokuk, Linn, Washington	54 min
May 27, 8:37 PM CDT	Flash Flood Warning	DVN	Iowa, Jefferson, Johnson, Keokuk, Washington	6 hr
May 28, 3:44 PM CDT	Special Weather Statement	DVN	Clinton, Scott	46 min
May 28, 4:25 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Scott	50 min

Nearby

Severe Thunderstorm Warnings in Iowa, 2016 Every severe thunderstorm warning 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.