Alert archive / Iowa / Tornado Warnings in 2016

Tornado Warning 3, NWS Quad Cities, IA

March 15, 2016Des Moines County, Lee County, Iowa; Hancock County, Henderson County, Illinois

NWS Quad Cities, IA issued this tornado warning at Mar 15, 2016, 6:05 PM CDT for Des Moines County, Lee County, Iowa; Hancock County, Henderson County, Illinois. It was in force for 31 min. 1 report 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
Mar 15, 2016, 6:05 PM CDT (23:05 UTC)
Expired
Mar 15, 2016, 6:36 PM CDT
In force
31 min
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.75 in

Counties Des Moines County, IA, Lee County, IA, Hancock County, IL, Henderson County, IL

The radar

The Quad Cities radar (KDVN), 113 km from the middle of the area, began a volume at 23:07 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
Mar 15, 6:10 PM CDTHAIL 1.5Dallas City, ILREPORTED RELAYED BY EMERGENCY MANAGER.

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.

IssuedProductOfficeLasted
Mar 15, 3:31 PM CDTTornado WatchSPC7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 11.1 hours before the alert went out and 116 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, Davenport, at 12:00Z on 2016-03-15Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2 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, Davenport, at 12:00Z on 2016-03-15The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 119 square meters per square second.1939587897117Sfc1 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
2 J/kg
Mixed-layer CIN
-270 J/kg
Mixed-layer LCL
736 m above ground
0-6 km bulk shear
34 kt
0-1 km storm-relative helicity
119 m²/s²
0-3 km storm-relative helicity
196 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.2

Open this sounding in Storm Lab

The text

As transmitted.

242 
WFUS53 KDVN 152305
TORDVN
ILC067-071-IAC057-111-160000-
/O.NEW.KDVN.TO.W.0003.160315T2305Z-160316T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
605 PM CDT TUE MAR 15 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHEASTERN HANCOCK COUNTY IN WEST CENTRAL ILLINOIS...
  HENDERSON COUNTY IN WEST CENTRAL ILLINOIS...
  EAST CENTRAL LEE COUNTY IN SOUTHEASTERN IOWA...
  SOUTHEASTERN DES MOINES COUNTY IN SOUTHEASTERN IOWA...

* UNTIL 700 PM CDT
    
* AT 604 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A
  TORNADO WAS LOCATED OVER DALLAS CITY...OR 8 MILES EAST OF FORT
  MADISON...MOVING NORTHEAST AT 35 MPH.

  HAZARD...TORNADO AND GOLF BALL 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...
  LA HARPE AND DISCO AROUND 620 PM CDT. 
  CARMAN AND TERRE HAUTE AROUND 625 PM CDT. 
  STRONGHURST AROUND 635 PM CDT. 
  GLADSTONE AND RARITAN AROUND 640 PM CDT. 
  BIGGSVILLE AROUND 645 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
CARTHAGE LAKE...HOPPER...SHOKOKON...LONE TREE...DECORRA...MEDIA...HENDERSON
COUNTY FAIRGROUNDS...BURLINGTON REGIONAL AIRPORT...SPRING GROVE AND
LOMAX.

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.

&&

LAT...LON 4061 9135 4072 9121 4088 9108 4084 9079
      4064 9079 4064 9090 4057 9090 4051 9126
TIME...MOT...LOC 2304Z 235DEG 30KT 4061 9119 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

GIBBS
2 follow-up statements
016 
WWUS53 KDVN 152313
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
613 PM CDT TUE MAR 15 2016

IAC057-152322-
/O.CAN.KDVN.TO.W.0003.000000T0000Z-160316T0000Z/
DES MOINES IA-
613 PM CDT TUE MAR 15 2016

...THE TORNADO WARNING FOR SOUTHEASTERN DES MOINES COUNTY IS
CANCELLED...
    
THE TORNADIC THUNDERSTORM WHICH PROMPTED THE WARNING HAS WEAKENED.
MOVED OUT OF THE WARNED AREA. THEREFORE THE WARNING HAS BEEN
CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR WEST CENTRAL
ILLINOIS AND SOUTHEASTERN IOWA.

LAT...LON 4057 9123 4067 9128 4072 9122 4072 9120
      4071 9118 4072 9118 4072 9116 4070 9114
      4070 9111 4075 9111 4084 9081 4064 9079
      4064 9090 4057 9091
TIME...MOT...LOC 2312Z 256DEG 26KT 4062 9112 

$$

ILC067-071-IAC111-160000-
/O.CON.KDVN.TO.W.0003.000000T0000Z-160316T0000Z/
HANCOCK IL-HENDERSON IL-LEE IA-
613 PM CDT TUE MAR 15 2016

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 700 PM CDT FOR
NORTHEASTERN HANCOCK...SOUTHERN HENDERSON AND EAST CENTRAL LEE
COUNTIES...
    
AT 612 PM CDT...A SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO
WAS LOCATED OVER DALLAS CITY...OR 12 MILES EAST OF FORT MADISON...
MOVING EAST AT 30 MPH.

HAZARD...TORNADO AND GOLF BALL 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...
  CARMAN AROUND 620 PM CDT. 
  LA HARPE AND DISCO AROUND 625 PM CDT. 
  TERRE HAUTE AROUND 630 PM CDT. 
  STRONGHURST AROUND 635 PM CDT. 
  RARITAN AROUND 645 PM CDT. 

OTHER LOCATIONS IMPACTED BY THIS TORNADIC THUNDERSTORM INCLUDE
HOPPER...SHOKOKON...DECORRA...MEDIA...HENDERSON COUNTY FAIRGROUNDS...
LOMAX...OLENA AND PONTOOSUC.

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.

HEAVY RAINFALL MAY HIDE THIS TORNADO. DO NOT WAIT TO SEE OR HEAR THE
TORNADO. TAKE COVER NOW.

&&

LAT...LON 4057 9123 4067 9128 4072 9122 4072 9120
      4071 9118 4072 9118 4072 9116 4070 9114
      4070 9111 4075 9111 4084 9081 4064 9079
      4064 9090 4057 9091
TIME...MOT...LOC 2312Z 256DEG 26KT 4062 9112 

TORNADO...RADAR INDICATED
HAIL...1.75IN

$$

GIBBS
037 
WWUS53 KDVN 152336
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
636 PM CDT TUE MAR 15 2016

IAC111-ILC067-071-152345-
/O.CAN.KDVN.TO.W.0003.000000T0000Z-160316T0000Z/
HANCOCK IL-HENDERSON IL-LEE IA-
636 PM CDT TUE MAR 15 2016

...THE TORNADO WARNING FOR NORTHEASTERN HANCOCK...SOUTHERN HENDERSON
AND EAST CENTRAL LEE COUNTIES IS CANCELLED...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER APPEARS CAPABLE OF PRODUCING A TORNADO.
THEREFORE THE WARNING HAS BEEN CANCELLED.  HOWEVER SMALL HAIL IS
STILL POSSIBLE WITH THIS THUNDERSTORM.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 900 PM CDT FOR WEST CENTRAL
ILLINOIS AND SOUTHEASTERN IOWA.

REMEMBER...A SEVERE THUNDERSTORM WARNING STILL REMAINS IN EFFECT FOR
HENDERSON COUNTY UNTIL 700 PM CDT.

LAT...LON 4057 9123 4067 9128 4072 9122 4072 9120
      4071 9118 4072 9118 4072 9116 4070 9114
      4070 9111 4075 9111 4084 9081 4064 9079
      4064 9090 4057 9091
TIME...MOT...LOC 2329Z 235DEG 30KT 4073 9091 

$$

GIBBS

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 15, 3:48 AM CDTHigh Wind WatchDVNBenton, Buchanan, Cedar, Clinton, Delaware, Dubuque and 7 more12 hr
Mar 15, 5:35 AM CDTSpecial Weather StatementDVNHenry, Jefferson, Keokuk, Van Buren, Washington55 min
Mar 15, 6:28 AM CDTSpecial Weather StatementDVNDes Moines, Henry, Lee, Louisa32 min
Mar 15, 6:56 AM CDTSpecial Weather StatementDVNDes Moines, Louisa94 min
Mar 15, 10:30 AM CDTSpecial Weather StatementDVNJackson60 min
Mar 15, 3:27 PM CDTHigh Wind WarningDVNBenton, Buchanan, Clinton, Delaware, Dubuque, Jackson and 2 more22 hr
Mar 15, 3:27 PM CDTWind AdvisoryDVNBenton, Buchanan, Cedar, Clinton, Delaware, Des Moines and 15 more29 hr
Mar 15, 5:09 PM CDTSevere Thunderstorm WarningDVNLee66 min
Mar 15, 5:27 PM CDTTornado WarningDVNLee48 min
Mar 15, 5:58 PM CDTSevere Thunderstorm WarningDVNDes Moines, Henry, Louisa, Washington47 min
Mar 15, 6:26 PM CDTSevere Thunderstorm WarningDVNCedar, Louisa, Muscatine49 min
Mar 15, 6:30 PM CDTSevere Thunderstorm WarningDVNClinton, Jackson45 min
Mar 15, 6:50 PM CDTSevere Thunderstorm WarningDVNCedar, Clinton, Muscatine, Scott55 min
Mar 15, 7:24 AM CDTSpecial Weather StatementDVNHenderson, Warren66 min
Mar 15, 12:13 PM CDTSpecial Weather StatementDVNCarroll47 min
Mar 15, 4:56 PM CDTSevere Thunderstorm WarningDVNHancock64 min
Mar 15, 6:03 PM CDTSevere Thunderstorm WarningDVNHancock, Henderson, McDonough, Warren57 min
Mar 15, 6:06 PM CDTTornado WarningDVNHancock, McDonough54 min
Mar 15, 6:29 PM CDTTornado Warning Tornado observedDVNMcDonough, Warren33 min

Nearby

Tornado Warnings in Iowa, 2016Tornado Warnings in Illinois, 2016Every tornado warning in 2016Tornadoes 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.