Alert archive / Iowa / Tornado Warnings in 2017

Tornado Warning 23, NWS Quad Cities, IA

May 10, 2017Henry County, Jefferson County, Van Buren County, Iowa

NWS Quad Cities, IA issued this tornado warning at May 10, 2017, 2:34 PM CDT for Henry County, Jefferson County, Van Buren County, Iowa. It was in force for 56 min. 6 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 10, 2017, 2:34 PM CDT (19:34 UTC)
Expired: May 10, 2017, 3:30 PM CDT
In force: 56 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Tornado: Radar indicated
Hail: 1.0 in

Counties Henry County, IA, Jefferson County, IA, Van Buren County, IA

The radar

The Quad Cities radar (KDVN), 120 km from the middle of the area, began a volume at 19:35 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 10, 2:35 PM CDT	HAIL 1	Stockport, IA	REPORT WAS DELAYED AND RELAYED BY KEQI4
May 10, 2:45 PM CDT	FUNNEL CLOUD	1 Nw Hillsboro, IA	BRIEF FUNNEL 15 TO 30 SECONDS LONG.
May 10, 2:54 PM CDT	TORNADO	1 N Salem, IA	WAS BRIEFLY ON THE GROUND AS A ROPE, TORNADO HAS LIFTED.
May 10, 2:59 PM CDT	TORNADO	W Salem, IA	TOUCHDOWN FOR ABOUT 3 MINUTES WEST OF SALEM 1 TO 2 MILES MOVING EAST. LIFTED BEFORE REACHING THE TOWN OF SALEM.
May 10, 3:15 PM CDT	HAIL 0.88	2 Ssw Birmingham, IA
May 10, 3:16 PM CDT	TSTM WND GST 60	1 Sw Birmingham, IA	MAX GUSTS TO 60 MPH.

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 10, 12:59 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 7.6 hours before the alert went out and 126 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: 0 J/kg
Mixed-layer CIN: No buoyant parcel
Mixed-layer LCL: 1131 m above ground
0-6 km bulk shear: 48 kt
0-1 km storm-relative helicity: -1 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

904 
WFUS53 KDVN 101934
TORDVN
IAC087-101-177-102030-
/O.NEW.KDVN.TO.W.0023.170510T1934Z-170510T2030Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Quad Cities IA/IL
234 PM CDT WED MAY 10 2017

The National Weather Service in the Quad Cities has issued a

* Tornado Warning for...
  Southern Henry County in southeastern Iowa...
  Northeastern Van Buren County in southeastern Iowa...
  Southeastern Jefferson County in southeastern Iowa...

* Until 330 PM CDT
    
* At 233 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Birmingham, or 8 miles northeast of Keosauqua,
  moving east at 25 mph.

  HAZARD...Tornado and quarter size hail. 

  SOURCE...Radar indicated rotation. 

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely. 

* This dangerous storm will be near...
  Stockport around 240 PM CDT. 
  Hillsboro around 255 PM CDT. 
  Salem around 305 PM CDT. 
  Westwood around 310 PM CDT. 
  Mount Pleasant around 320 PM CDT. 
  New London and Mount Union around 330 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Stephenson Park,
Oakland Mills Park, Mount Pleasant Municipal Arpt, Round Prairie
Park, Glasgow, Morris Park and Utica.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

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 4107 9137 4082 9137 4081 9172 4080 9172
      4079 9198 4088 9201
TIME...MOT...LOC 1933Z 250DEG 23KT 4085 9190 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

8 follow-up statements

649 
WWUS53 KDVN 101940
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
240 PM CDT WED MAY 10 2017

IAC087-101-177-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-Van Buren IA-Jefferson IA-
240 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
HENRY...NORTHEASTERN VAN BUREN AND SOUTHEASTERN JEFFERSON COUNTIES...
    
At 240 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Stockport, or 10 miles northeast of Keosauqua,
moving east at 25 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Hillsboro around 255 PM CDT. 
  Salem around 305 PM CDT. 
  New London and Lowell around 330 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Stephenson Park,
Oakland Mills Park, Mount Pleasant Municipal Arpt, Round Prairie
Park, Glasgow, Morris Park and Utica.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4107 9137 4082 9137 4081 9172 4080 9172
      4080 9186 4091 9190
TIME...MOT...LOC 1940Z 264DEG 20KT 4083 9181 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

831 
WWUS53 KDVN 101948
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
248 PM CDT WED MAY 10 2017

IAC087-101-177-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-Van Buren IA-Jefferson IA-
248 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
HENRY...NORTHEASTERN VAN BUREN AND SOUTHEASTERN JEFFERSON COUNTIES...
    
At 247 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Hillsboro, or 13 miles southwest of Mount Pleasant,
moving east at 25 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Salem and Westwood around 305 PM CDT. 
  Mount Pleasant around 315 PM CDT. 
  Lowell around 320 PM CDT. 
  New London around 330 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Stephenson Park,
Oakland Mills Park, Mount Pleasant Municipal Arpt, Round Prairie
Park, Glasgow and Morris Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4107 9137 4082 9137 4081 9172 4081 9176
      4092 9188
TIME...MOT...LOC 1947Z 250DEG 23KT 4085 9175 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

871 
WWUS53 KDVN 101949
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
249 PM CDT WED MAY 10 2017

IAC087-101-177-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-Van Buren IA-Jefferson IA-
249 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
HENRY...NORTHEASTERN VAN BUREN AND SOUTHEASTERN JEFFERSON COUNTIES...
        
At 249 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Hillsboro, or 12 miles southwest of Mount Pleasant,
moving east at 20 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Weather spotters reported a funnel cloud. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Salem around 310 PM CDT. 
  Westwood around 315 PM CDT. 
  Mount Pleasant around 325 PM CDT. 
  New London and Lowell around 330 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Stephenson Park,
Oakland Mills Park, Mount Pleasant Municipal Arpt, Round Prairie
Park, Glasgow and Morris Park.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4107 9137 4082 9137 4081 9172 4081 9176
      4092 9188
TIME...MOT...LOC 1949Z 258DEG 16KT 4087 9175 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

326 
WWUS53 KDVN 101959
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
259 PM CDT WED MAY 10 2017

IAC101-177-102008-
/O.CAN.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Van Buren IA-Jefferson IA-
259 PM CDT WED MAY 10 2017

...THE TORNADO WARNING FOR NORTHEASTERN VAN BUREN AND SOUTHEASTERN
JEFFERSON COUNTIES IS CANCELLED...
    
The tornadic 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 800 PM CDT for
southeastern Iowa.

LAT...LON 4107 9137 4083 9137 4086 9172 4096 9172
TIME...MOT...LOC 1958Z 248DEG 22KT 4091 9166 

$$

IAC087-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-
259 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
HENRY COUNTY...
    
At 258 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Westwood, or near Mount Pleasant, moving east at 25
mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  Mount Pleasant around 315 PM CDT. 
  New London around 325 PM CDT. 
  Mount Union around 330 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Oakland Mills
Park and Mount Pleasant Municipal Arpt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4107 9137 4083 9137 4086 9172 4096 9172
TIME...MOT...LOC 1958Z 248DEG 22KT 4091 9166 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

534 
WWUS53 KDVN 102000 RRA
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
300 PM CDT WED MAY 10 2017

IAC087-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-
300 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
HENRY COUNTY...
    
At 259 PM CDT, a confirmed tornado was located near Salem, or 7 miles
southwest of Mount Pleasant, moving east at 25 mph.

HAZARD...Damaging tornado and quarter size hail. 

SOURCE...Weather spotters confirmed tornado. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This tornado will be near...
  Mount Pleasant around 315 PM CDT. 
  New London around 330 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Oakland Mills
Park and Mount Pleasant Municipal Arpt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

To repeat, a tornado is on the ground. TAKE COVER NOW! Move to a
basement or an interior room on the lowest floor of a sturdy
building. Avoid windows. If you are outdoors, in a mobile home, or in
a vehicle, move to the closest substantial shelter and protect
yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4107 9137 4083 9137 4086 9172 4096 9172
TIME...MOT...LOC 1959Z 257DEG 22KT 4089 9165 

TORNADO...OBSERVED
HAIL...1.00IN

$$

Gibbs

134 
WWUS53 KDVN 102008
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
308 PM CDT WED MAY 10 2017

IAC087-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-
308 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR SOUTHERN
HENRY COUNTY...
    
At 307 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mount Pleasant, moving east at 25 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  New London around 325 PM CDT. 
  Mount Union around 330 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Oakland Mills
Park and Mount Pleasant Municipal Arpt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4107 9137 4083 9137 4085 9164 4098 9166
TIME...MOT...LOC 2007Z 253DEG 24KT 4090 9157 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

775 
WWUS53 KDVN 102011
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
311 PM CDT WED MAY 10 2017

IAC087-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-
311 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN HENRY COUNTY...
    
At 311 PM CDT, a severe thunderstorm capable of producing a tornado
was located near Mount Pleasant, moving east at 30 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  New London around 325 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds, Water Works Park, Oakland Mills, Oakland Mills
Park, Highway 218 and Mount Pleasant Municipal Arpt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4083 9137 4087 9164 4096 9164 4103 9137
TIME...MOT...LOC 2011Z 255DEG 24KT 4090 9154 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

776 
WWUS53 KDVN 102016
SVSDVN

Severe Weather Statement
National Weather Service Quad Cities IA/IL
316 PM CDT WED MAY 10 2017

IAC087-102030-
/O.CON.KDVN.TO.W.0023.000000T0000Z-170510T2030Z/
Henry IA-
316 PM CDT WED MAY 10 2017

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 330 PM CDT FOR
SOUTHEASTERN HENRY COUNTY...
    
At 316 PM CDT, a severe thunderstorm capable of producing a tornado
was located near New London, or near Mount Pleasant, moving east at
35 mph.

HAZARD...Tornado and quarter size hail. 

SOURCE...Radar indicated rotation. 

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely. 

This dangerous storm will be near...
  New London around 325 PM CDT. 

Other locations impacted by this tornadic thunderstorm include Henry
County Fairgrounds and Mount Pleasant Municipal Arpt.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

If a tornado or other severe weather is spotted, report it to the
National Weather Service or your local nearest law enforcement agency
who will send your report. This act may save lives of others in the
path of dangerous weather.

&&

LAT...LON 4084 9137 4088 9157 4098 9157 4103 9137
TIME...MOT...LOC 2016Z 268DEG 31KT 4091 9148 

TORNADO...RADAR INDICATED
HAIL...1.00IN

$$

Gibbs

The office that day

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

Issued	Product	Office	Counties	Lasted
May 10, 9:17 AM CDT	Special Weather Statement	DVN	Washington	28 min
May 10, 1:47 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	43 min
May 10, 2:48 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	42 min
May 10, 2:52 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	7 min
May 10, 3:13 PM CDT	Severe Thunderstorm Warning	DVN	Jefferson, Van Buren	33 min
May 10, 3:22 PM CDT	Tornado Warning	DVN	Des Moines, Henry	53 min
May 10, 3:35 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Lee, Van Buren	55 min
May 10, 3:50 PM CDT	Tornado Warning	DVN	Des Moines	40 min
May 10, 3:56 PM CDT	Tornado Warning	DVN	Des Moines	23 min

Nearby

Tornado Warnings in Iowa, 2017 Every tornado warning in 2017 Tornadoes in 2017

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.