Alert archive / Missouri / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 13, NWS Quad Cities, IA

April 27, 2016Clark County, Missouri; Hancock County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Apr 27, 2016, 8:32 PM CDT for Clark County, Missouri; Hancock County, Illinois. It was in force for 58 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Apr 27, 2016, 8:32 PM CDT (01:32 UTC)
Expired: Apr 27, 2016, 9:30 PM CDT
In force: 58 min
Issued by: NWS Quad Cities, IA
Area: Storm-based polygon
Hail: 1.25 in
Wind: 60.0 mph

Counties Hancock County, IL, Clark County, MO

The radar

The Quad Cities radar (KDVN), 161 km from the middle of the area, began a volume at 01:35 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.

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.5 hours before the alert went out and 165 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: 595 m above ground
0-6 km bulk shear: 55 kt
0-1 km storm-relative helicity: 338 m²/s²
0-3 km storm-relative helicity: 343 m²/s²
Significant tornado parameter: 0.0
Supercell composite: -0.0

Open this sounding in Storm Lab

The text

As transmitted.

444 
WUUS53 KDVN 280132
SVRDVN
ILC067-MOC045-280230-
/O.NEW.KDVN.SV.W.0013.160428T0132Z-160428T0230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
832 PM CDT WED APR 27 2016

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

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

* UNTIL 930 PM CDT

* AT 832 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR CANTON...
  MOVING NORTHEAST AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

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

* LOCATIONS IMPACTED INCLUDE...
  HAMILTON...WARSAW...WAYLAND...ALEXANDRIA...WINCHESTER...ST. PATRICK...
  GREGORY LANDING AND SUTTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4025 9150 4025 9166 4042 9158 4042 9153
      4040 9151 4040 9149 4038 9148 4038 9146
      4037 9146 4038 9144 4038 9139 4028 9130
      4020 9145 4020 9151
TIME...MOT...LOC 0132Z 210DEG 14KT 4021 9158 

HAIL...1.25IN
WIND...60MPH
 
$$

GIBBS

4 follow-up statements

338 
WWUS53 KDVN 280139
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
839 PM CDT WED APR 27 2016

ILC067-MOC045-280230-
/O.CON.KDVN.SV.W.0013.000000T0000Z-160428T0230Z/
HANCOCK IL-CLARK MO-
839 PM CDT WED APR 27 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHWESTERN HANCOCK AND SOUTHEASTERN CLARK COUNTIES...

AT 838 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 7 MILES NORTH OF
CANTON...MOVING NORTHEAST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
HAMILTON...WARSAW...WAYLAND...ALEXANDRIA...WINCHESTER...ST. PATRICK...
GREGORY LANDING AND SUTTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

&&

LAT...LON 4025 9150 4025 9166 4042 9158 4042 9153
      4040 9151 4040 9149 4038 9148 4038 9146
      4037 9146 4038 9144 4038 9139 4028 9130
      4020 9145 4020 9151
TIME...MOT...LOC 0138Z 210DEG 14KT 4023 9156 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

GIBBS

209 
WWUS53 KDVN 280146
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
846 PM CDT WED APR 27 2016

ILC067-MOC045-280230-
/O.CON.KDVN.SV.W.0013.000000T0000Z-160428T0230Z/
HANCOCK IL-CLARK MO-
846 PM CDT WED APR 27 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHWESTERN HANCOCK AND SOUTHEASTERN CLARK COUNTIES...

AT 846 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED 8 MILES SOUTHWEST
OF ALEXANDRIA...OR 8 MILES NORTH OF CANTON...MOVING NORTHEAST AT 15
MPH.

HAZARD...GOLF BALL SIZE HAIL AND 60 MPH WIND GUSTS. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
HAMILTON...WARSAW...WAYLAND...ALEXANDRIA...WINCHESTER...ST. PATRICK...
GREGORY LANDING AND SUTTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4025 9150 4025 9166 4042 9158 4042 9153
      4040 9151 4040 9149 4038 9148 4038 9146
      4037 9146 4038 9144 4038 9139 4028 9130
      4020 9145 4020 9151
TIME...MOT...LOC 0146Z 210DEG 14KT 4026 9154 

TORNADO...POSSIBLE
HAIL...1.75IN
WIND...60MPH
 
$$

GIBBS

875 
WWUS53 KDVN 280202
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
902 PM CDT WED APR 27 2016

ILC067-MOC045-280230-
/O.CON.KDVN.SV.W.0013.000000T0000Z-160428T0230Z/
HANCOCK IL-CLARK MO-
902 PM CDT WED APR 27 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 930 PM CDT
FOR SOUTHWESTERN HANCOCK AND SOUTHEASTERN CLARK COUNTIES...

AT 902 PM CDT...A SEVERE THUNDERSTORM WAS LOCATED NEAR ALEXANDRIA...OR
8 MILES SOUTHWEST OF KEOKUK...MOVING NORTHEAST AT 15 MPH.

HAZARD...60 MPH WIND GUSTS AND HALF DOLLAR SIZE HAIL. 

SOURCE...RADAR INDICATED. 

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

LOCATIONS IMPACTED INCLUDE...
HAMILTON...WARSAW...WAYLAND...ALEXANDRIA...WINCHESTER...ST. PATRICK...
GREGORY LANDING AND SUTTER.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMAIN ALERT FOR A POSSIBLE TORNADO! TORNADOES CAN DEVELOP QUICKLY
FROM SEVERE THUNDERSTORMS. IF YOU SPOT A TORNADO GO AT ONCE INTO THE
BASEMENT OR SMALL CENTRAL ROOM IN A STURDY STRUCTURE.

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

TORRENTIAL RAINFALL IS OCCURRING WITH THIS STORM...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4025 9150 4025 9166 4042 9158 4042 9153
      4040 9151 4040 9149 4038 9148 4038 9146
      4037 9146 4038 9144 4038 9139 4028 9130
      4020 9145 4020 9151
TIME...MOT...LOC 0202Z 210DEG 14KT 4032 9150 

TORNADO...POSSIBLE
HAIL...1.25IN
WIND...60MPH
 
$$

GIBBS

936 
WWUS53 KDVN 280224
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
924 PM CDT WED APR 27 2016

ILC067-MOC045-280234-
/O.EXP.KDVN.SV.W.0013.000000T0000Z-160428T0230Z/
HANCOCK IL-CLARK MO-
924 PM CDT WED APR 27 2016

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN HANCOCK AND
SOUTHEASTERN CLARK COUNTIES WILL EXPIRE AT 930 PM CDT...
                
THE STORM WHICH PROMPTED THE WARNING HAS WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER HEAVY RAIN
IS STILL POSSIBLE WITH THIS THUNDERSTORM.

LAT...LON 4025 9150 4025 9166 4042 9158 4042 9153
      4040 9151 4040 9149 4038 9148 4038 9146
      4037 9146 4038 9144 4038 9139 4028 9130
      4020 9145 4020 9151
TIME...MOT...LOC 0217Z 210DEG 14KT 4032 9150 

$$

GIBBS

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 27, 7:25 PM CDT	Severe Thunderstorm Warning	DVN	Scotland	65 min
Apr 27, 7:42 PM CDT	Tornado Warning	DVN	Scotland	33 min
Apr 27, 8:26 PM CDT	Severe Thunderstorm Warning	DVN	Clark, Scotland	34 min
Apr 27, 10:22 PM CDT	Special Weather Statement	DVN	McDonough	23 min
Apr 27, 10:34 PM CDT	Special Weather Statement	DVN	McDonough	26 min

Nearby

Severe Thunderstorm Warnings in Missouri, 2016 Severe Thunderstorm Warnings in Illinois, 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.