Alert archive / Illinois / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 2, NWS Quad Cities, IA

March 15, 2016Hancock County, Illinois; Clark County, Missouri; Lee County, Iowa

NWS Quad Cities, IA issued this severe thunderstorm warning at Mar 15, 2016, 5:09 PM CDT for Hancock County, Illinois; Clark County, Missouri; Lee County, Iowa. It was in force for 66 min. 16 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: Mar 15, 2016, 5:09 PM CDT (22:09 UTC)
Expired: Mar 15, 2016, 6:15 PM CDT
In force: 66 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.0 in
Wind: 50.0 mph

Counties Lee County, IA, Hancock County, IL, Clark County, MO

The radar

The Quad Cities radar (KDVN), 162 km from the middle of the area, began a volume at 22:11 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
Mar 15, 5:30 PM CDT	HAIL 1	Nnw St. Patrick, MO	QUARTER SIZE HAIL REPORTED.
Mar 15, 5:36 PM CDT	HAIL 2.5	St. Patrick, MO	TIME ESTIMATED.
Mar 15, 5:44 PM CDT	HAIL 0.75	4 Ssw Fort Madison, IL	DIME SIZED HAIL
Mar 15, 5:45 PM CDT	HAIL 1	Ese Wayland, MO	QUARTER SIZE HAIL.
Mar 15, 5:48 PM CDT	FUNNEL CLOUD	Keokuk, IA	2 SPOTTER REPORTS OF A FUNNEL CLOUD CROSSING THE MISSISSIPPI RIVER 2 MILES TO THE SOUTH.
Mar 15, 5:48 PM CDT	HAIL 1.25	3 Wsw Keokuk, IA
Mar 15, 5:48 PM CDT	HAIL 1.75	5 S Kahoka, MO	GOLF BALL SIZED HALL COVERING THE GROUND
Mar 15, 5:50 PM CDT	HAIL 1	Warsaw, IL
Mar 15, 5:52 PM CDT	HAIL 0.75	Fort Madison, IA	DIME SIZED HAIL.
Mar 15, 5:52 PM CDT	TORNADO	3 Se Warsaw, IL	TORNADO OBSERVED 2 TO 3 MILES SOUTHEAST OF WARSAW AT CORNER OF HIGHWAY 11 AND 136. IT HAS LIFTED....WAS A HIGH BASED CONE WITH A SMALL DEBRIS FIELD FOR A BIT.
Mar 15, 5:53 PM CDT	HAIL 1	1 Ne Keokuk, IA
Mar 15, 5:53 PM CDT	HAIL 1	Keokuk, IA	TIME ESTIMATED...REPORT WAS DELAYED.
Mar 15, 5:54 PM CDT	HAIL 1	2 Sse Keokuk, IA	QUARTER SIZE HAIL.
Mar 15, 5:55 PM CDT	HAIL 1	1 Sse Keokuk, IA	MOSTLY DIME AND NICKEL SIZE HAIL, WITH RARE QUARTER SIZE PIECES.
Mar 15, 6:00 PM CDT	HAIL 1	2 N Hamilton, IL	VIA TWITTER
Mar 15, 6:07 PM CDT	HAIL 1	4 Nnw Carthage, IL

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
Mar 15, 3:31 PM CDT	Tornado Watch	SPC	7 hr

The nearest sounding before it

Davenport, (KDVN), launched 12:00Z, 10.2 hours before the alert went out and 167 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: 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.

318 
WUUS53 KDVN 152209
SVRDVN
ILC067-IAC111-MOC045-152315-
/O.NEW.KDVN.SV.W.0002.160315T2209Z-160315T2315Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
509 PM CDT TUE MAR 15 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  HANCOCK COUNTY IN WEST CENTRAL ILLINOIS...LEE COUNTY IN
  SOUTHEASTERN IOWA... CLARK COUNTY IN NORTHEASTERN MISSOURI...

* UNTIL 615 PM CDT

* AT 508 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LA BELLE...OR
  14 MILES EAST OF EDINA...MOVING NORTHEAST AT 35 MPH.

  HAZARD...QUARTER SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...DAMAGE TO VEHICLES IS EXPECTED. 

* LOCATIONS IMPACTED INCLUDE...
  FORT MADISON...KEOKUK...KAHOKA...NAUVOO...HAMILTON...WARSAW...DONNELLSON...
  MONTROSE...WAYLAND...ALEXANDRIA...FERRIS...ST. FRANCISVILLE...COLUSA...
  NEW BOSTON...ADRIAN...WINCHESTER...ELVASTON...REVERE...SUMMITVILLE AND
  GALLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

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

LAT...LON 4025 9150 4026 9195 4030 9195 4066 9157
      4057 9102 4022 9150
TIME...MOT...LOC 2208Z 230DEG 30KT 4020 9189 

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

ERVIN

3 follow-up statements

371 
WWUS53 KDVN 152213
SVSDVN

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

ILC067-IAC111-MOC045-152315-
/O.CON.KDVN.SV.W.0002.000000T0000Z-160315T2315Z/
HANCOCK IL-LEE IA-CLARK MO-
513 PM CDT TUE MAR 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR HANCOCK...LEE AND CLARK COUNTIES...

AT 513 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR LA BELLE...OR
16 MILES EAST OF EDINA...MOVING NORTHEAST AT 30 MPH.

HAZARD...PING PONG BALL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE 
         TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

LOCATIONS IMPACTED INCLUDE...
FORT MADISON...KEOKUK...KAHOKA...NAUVOO...HAMILTON...WARSAW...DONNELLSON...
MONTROSE...WAYLAND...ALEXANDRIA...FERRIS...ST. FRANCISVILLE...COLUSA...NEW
BOSTON...ADRIAN...WINCHESTER...ELVASTON...REVERE...SUMMITVILLE AND
GALLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING LARGE HAIL. SEEK SHELTER NOW INSIDE A STURDY
STRUCTURE AND STAY AWAY FROM WINDOWS.

&&

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

LAT...LON 4025 9150 4026 9195 4030 9195 4066 9157
      4057 9102 4022 9150
TIME...MOT...LOC 2213Z 230DEG 28KT 4021 9186 

HAIL...1.50IN
WIND...<50MPH
 
$$

ERVIN

819 
WWUS53 KDVN 152219
SVSDVN

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

ILC067-IAC111-MOC045-152315-
/O.CON.KDVN.SV.W.0002.000000T0000Z-160315T2315Z/
HANCOCK IL-LEE IA-CLARK MO-
519 PM CDT TUE MAR 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR HANCOCK...LEE AND CLARK COUNTIES...

AT 519 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 11 MILES SOUTH OF
KAHOKA...MOVING NORTHEAST AT 55 MPH.

HAZARD...TENNIS BALL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE 
         TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

LOCATIONS IMPACTED INCLUDE...
FORT MADISON...KEOKUK...KAHOKA...NAUVOO...HAMILTON...WARSAW...DONNELLSON...
MONTROSE...WAYLAND...ALEXANDRIA...FERRIS...ST. FRANCISVILLE...COLUSA...NEW
BOSTON...ADRIAN...WINCHESTER...ELVASTON...REVERE...SUMMITVILLE AND
GALLAND.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THIS STORM IS PRODUCING DESTRUCTIVE WINDS AND LARGE DAMAGING HAIL.
SEEK SHELTER NOW INSIDE A STURDY STRUCTURE AND STAY AWAY FROM
WINDOWS.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS...AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS AN
INTERIOR ROOM...A BATHROOM OR CLOSET OR BASEMENT.

&&

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

LAT...LON 4025 9150 4026 9195 4030 9195 4066 9157
      4057 9102 4022 9150
TIME...MOT...LOC 2219Z 230DEG 46KT 4026 9176 

HAIL...2.50IN
WIND...<50MPH
 
$$

ERVIN

894 
WWUS53 KDVN 152255
SVSDVN

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

IAC111-MOC045-152304-
/O.CAN.KDVN.SV.W.0002.000000T0000Z-160315T2315Z/
LEE IA-CLARK MO-
555 PM CDT TUE MAR 15 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN LEE AND CLARK
COUNTIES IS CANCELLED...
    
THE SEVERE THUNDERSTORM WHICH PROMPTED THE WARNING HAS 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 4051 9137 4053 9138 4054 9141 4055 9141
      4060 9136 4062 9133 4062 9130 4061 9129
      4061 9128 4057 9102 4050 9127
TIME...MOT...LOC 2254Z 229DEG 25KT 4056 9131 

$$

ILC067-152315-
/O.CON.KDVN.SV.W.0002.000000T0000Z-160315T2315Z/
HANCOCK IL-
555 PM CDT TUE MAR 15 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 615 PM CDT
FOR NORTHWESTERN HANCOCK COUNTY...

AT 554 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR NAUVOO...
MOVING NORTHEAST AT 30 MPH.

HAZARD...GOLF BALL SIZE HAIL. 

SOURCE...RADAR INDICATED. 

IMPACT...PEOPLE AND ANIMALS OUTDOORS WILL BE INJURED. EXPECT DAMAGE 
         TO ROOFS...SIDING...WINDOWS...AND VEHICLES. 

LOCATIONS IMPACTED INCLUDE...
FORT MADISON...NAUVOO...COLUSA AND NAUVOO STATE PARK. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

PREPARE IMMEDIATELY FOR LARGE HAIL AND DEADLY CLOUD TO GROUND
LIGHTNING. SEEK SHELTER INSIDE A WELL-BUILT STRUCTURE. STAY AWAY FROM
WINDOWS.

THIS THUNDERSTORM IS CAPABLE OF PRODUCING ALL TYPES OF SEVERE
WEATHER...INCLUDING EXTREMELY LARGE HAIL...DESTRUCTIVE STRAIGHT LINE
WINDS...AND TORNADOES. MOVE QUICKLY TO A SAFE SHELTER...SUCH AS AN
INTERIOR ROOM...A BATHROOM OR CLOSET OR BASEMENT.

&&

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

LAT...LON 4051 9137 4053 9138 4054 9141 4055 9141
      4060 9136 4062 9133 4062 9130 4061 9129
      4061 9128 4057 9102 4050 9127
TIME...MOT...LOC 2254Z 229DEG 25KT 4056 9131 

HAIL...1.75IN
WIND...<50MPH
 
$$

GIBBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 15, 3:48 AM CDT	High Wind Watch	DVN	Bureau, Carroll, Henry, Jo Daviess, Mercer, Putnam and 3 more	12 hr
Mar 15, 6:28 AM CDT	Special Weather Statement	DVN	Henderson	32 min
Mar 15, 6:56 AM CDT	Special Weather Statement	DVN	Henderson, Mercer, Rock Island, Warren	94 min
Mar 15, 7:24 AM CDT	Special Weather Statement	DVN	Henderson, Warren	66 min
Mar 15, 10:30 AM CDT	Special Weather Statement	DVN	Jo Daviess	60 min
Mar 15, 12:13 PM CDT	Special Weather Statement	DVN	Carroll	47 min
Mar 15, 3:27 PM CDT	High Wind Warning	DVN	Carroll, Jo Daviess, Stephenson, Whiteside	22 hr
Mar 15, 3:27 PM CDT	Wind Advisory	DVN	Bureau, Carroll, Hancock, Henderson, Henry, Jo Daviess and 7 more	29 hr
Mar 15, 4:56 PM CDT	Severe Thunderstorm Warning	DVN	Hancock	64 min
Mar 15, 5:27 PM CDT	Tornado Warning	DVN	Hancock	48 min
Mar 15, 6:03 PM CDT	Severe Thunderstorm Warning	DVN	Hancock, Henderson, McDonough, Warren	57 min
Mar 15, 6:05 PM CDT	Tornado Warning	DVN	Hancock, Henderson	31 min
Mar 15, 6:06 PM CDT	Tornado Warning	DVN	Hancock, McDonough	54 min
Mar 15, 6:26 PM CDT	Severe Thunderstorm Warning	DVN	Mercer, Rock Island	49 min
Mar 15, 6:29 PM CDT	Tornado Warning Tornado observed	DVN	McDonough, Warren	33 min
Mar 15, 6:50 PM CDT	Severe Thunderstorm Warning	DVN	Rock Island, Whiteside	55 min
Mar 15, 5:35 AM CDT	Special Weather Statement	DVN	Clark, Scotland	55 min
Mar 15, 5:58 PM CDT	Severe Thunderstorm Warning	DVN	Des Moines, Henry, Louisa, Washington	47 min
Mar 15, 6:30 PM CDT	Severe Thunderstorm Warning	DVN	Clinton, Jackson	45 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2016 Severe Thunderstorm Warnings in Missouri, 2016 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.