Alert archive / Illinois / Severe Thunderstorm Warnings in 2011
Severe Thunderstorm Warning 113, NWS Quad Cities, IA
NWS Quad Cities, IA issued this severe thunderstorm warning at Jun 27, 2011, 1:02 AM CDT for Clark County, Missouri; Hancock County, McDonough County, Illinois; Lee County, Iowa. It was in force for 58 min. 10 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
- Jun 27, 2011, 1:02 AM CDT (06:02 UTC)
- Expired
- Jun 27, 2011, 2:00 AM CDT
- In force
- 58 min
- Issued by
- NWS Quad Cities, IA
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Lee County, IA, Hancock County, IL, McDonough County, IL, Clark County, MO
The radar
The Quad Cities radar (KDVN), 155 km from the middle of the area, began a volume at 06:03 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 |
|---|---|---|---|
| Jun 27, 1:15 AM CDT | TSTM WND DMG | 1 Se Keokuk, IA | SEVERAL TREES UPROOTED OR SNAPPED NEAR THE BASE. TWO BUILDINGS DOWNTOWN BETWEEN MAIN AND JOHNSON STREETS DAMAGED. TIME ESTIMATED. DELAYED REPORT. |
| Jun 27, 1:32 AM CDT | TSTM WND DMG | Keokuk, IA | TREES DOWN IN TOWN. |
| Jun 27, 1:38 AM CDT | TSTM WND DMG | Warsaw, IL | TREE LIMBS AND POWERLINES DOWN. |
| Jun 27, 1:38 AM CDT | HAIL 1 | Warsaw, IL | |
| Jun 27, 1:44 AM CDT | TSTM WND GST 65 | 1 Ese Carthage, IL | ALSO OBSERVING POWERLINE FLASHES ON EAST SIDE OF CARTHAGE. |
| Jun 27, 1:45 AM CDT | TSTM WND DMG | 5 S Carthage, IL | SOME BUILDINGS BLOWN DOWN BETWEEN CARTHAGE AND BENTLEY. SECOND HAND REPORT. TIME ESTIMATED. |
| Jun 27, 1:45 AM CDT | TSTM WND DMG | Carthage, IL | SEVERAL TREES AND LIMBS BLOWN DOWN. |
| Jun 27, 1:45 AM CDT | TSTM WND GST 70 | Bentley, IL | WINDS IN EXCESS OF 70 MPH BLEW DOWN SEVERAL TREES AND LARGE LIMBS IN BENTLEY. SOME ROADS WERE BLOCKED. SOME BUILDINGS AND HOMES WERE ALSO DAMAGED. A NEW MORTON BUILDING ON THE NORTH SIDE OF TOWN WAS STREWN ACROSS THE FREEWAY. SOME TREES AND LIMBS FELL ONTO A F |
| Jun 27, 1:46 AM CDT | TSTM WND DMG | Plymouth, IL | NUMEROUS TREES AND POWER LINES DOWN. TIME OF DAMAGE ESTIMATED. |
| Jun 27, 1:46 AM CDT | TSTM WND GST 65 | Ese Bowen, IL | ESTIMATED 65 TO 70 MPH WIND. POWER IS OUT IN BOWEN AND ALSO IN AUGUSTA. TIME WAS ESTIMATED. |
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 |
|---|---|---|---|
| Jun 26, 7:12 PM CDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 26, 10:02 PM CDT | Severe Thunderstorm Watch | SPC | 5 hr |
The nearest sounding before it
Davenport, (KDVN), launched 00:00Z, 6.0 hours before the alert went out and 159 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.
- Mixed-layer CAPE
- 15 J/kg
- Mixed-layer CIN
- -398 J/kg
- Mixed-layer LCL
- 1115 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- -37 m²/s²
- 0-3 km storm-relative helicity
- 115 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
659
WUUS53 KDVN 270602
SVRDVN
IAC111-ILC067-109-MOC045-270700-
/O.NEW.KDVN.SV.W.0113.110627T0602Z-110627T0700Z/
BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
102 AM CDT MON JUN 27 2011
THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A
* SEVERE THUNDERSTORM WARNING FOR...
CLARK COUNTY IN NORTHEAST MISSOURI...
SOUTHWESTERN LEE COUNTY IN SOUTHEAST IOWA...
HANCOCK COUNTY IN WEST CENTRAL ILLINOIS...
WESTERN MCDONOUGH COUNTY IN WEST CENTRAL ILLINOIS...
* UNTIL 200 AM CDT.
* AT 1258 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS AROUND 60
MPH...AND QUARTER SIZE HAIL. THIS STORM WAS LOCATED APPROXIMATELY
NEAR KAHOKA...AND MOVING EAST AT 45 MPH.
* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
CROTON...WAYLAND...ST. FRANCISVILLE...NEW BOSTON...ALEXANDRIA...
WARSAW...MONTROSE...KEOKUK...NAUVOO...HAMILTON...WEST POINT...
COLUSA...FERRIS...ADRIAN...CARTHAGE...BURNSIDE...BOWEN...LA
HARPE...AUGUSTA...WESTERN ILLINOIS UNIVERSITY...TENNESSEE...
SCIOTA...MACOMB...GOOD HOPE...FANDON...COLMAR...COLCHESTER AND
BLANDINSVILLE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A DANGEROUS STORM. MOVE IMMEDIATELY INDOORS AND STAY AWAY
FROM WINDOWS.
PLEASE REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL LAW
ENFORCEMENT AGENCY FOR RELAY TO THE NATIONAL WEATHER SERVICE.
&&
LAT...LON 4019 9150 4024 9151 4026 9194 4061 9184
4060 9066 4028 9069 4028 9090 4019 9091
TIME...MOT...LOC 0602Z 271DEG 40KT 4039 9175
WIND...HAIL 60MPH 1.00IN
$$
ERVIN3 follow-up statements
134
WWUS53 KDVN 270613
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
113 AM CDT MON JUN 27 2011
IAC111-ILC067-109-MOC045-270700-
/O.CON.KDVN.SV.W.0113.000000T0000Z-110627T0700Z/
LEE IA-MCDONOUGH IL-HANCOCK IL-CLARK MO-
113 AM CDT MON JUN 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR EASTERN CLARK...HANCOCK...WESTERN MCDONOUGH AND SOUTHWESTERN LEE
COUNTIES...
AT 111 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DAMAGING WINDS
AROUND 60 MPH...AND QUARTER SIZE HAIL. THIS STORM WAS LOCATED
APPROXIMATELY NEAR WAYLAND...OR 6 MILES SOUTHEAST OF KAHOKA...MOVING
EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO ST.
FRANCISVILLE...ARGYLE...VINCENNES...FROST ISLAND CONSERVATION AREA...
CHARLESTON...NEW BOSTON...GREGORY LANDING...ALEXANDRIA...MOOAR...
SUMMITVILLE...KEOKUK AIRPORT...WARSAW...MONTROSE...BLUFF PARK...
KEOKUK...NAUVOO...NAUVOO STATE PARK...SANDUSKY...GALLAND...
HAMILTON...TIOGA...SUTTER...ELVASTON...BASCO...WEST POINT...
STILLWELL...COLUSA...FERRIS...ADRIAN...CARTHAGE...BENTLEY...DENVER...
BURNSIDE...BOWEN...WEBSTER...LA HARPE...FOUNTAIN GREEN...AUGUSTA...
PLYMOUTH...WESTERN ILLINOIS UNIVERSITY...TENNESSEE...SCIOTA...
MACOMB...GOOD HOPE...FANDON...COLMAR...COLCHESTER...BLANDINSVILLE AND
ARGYLE LAKE STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY
MORNING FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST
MISSOURI.
&&
LAT...LON 4019 9150 4024 9151 4025 9182 4061 9176
4060 9066 4028 9069 4028 9090 4019 9091
TIME...MOT...LOC 0613Z 271DEG 40KT 4038 9159
WIND...HAIL 60MPH 1.00IN
$$
ERVIN663
WWUS53 KDVN 270648
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
148 AM CDT MON JUN 27 2011
IAC111-MOC045-270658-
/O.CAN.KDVN.SV.W.0113.000000T0000Z-110627T0700Z/
LEE IA-CLARK MO-
148 AM CDT MON JUN 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR EASTERN CLARK AND SOUTHWESTERN
LEE COUNTIES IS CANCELLED...
THE SEVERE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING SEVERE WEATHER
HAS MOVED OUT OF THE WARNED AREA. THEREFORE THE SEVERE THUNDERSTORM
WARNING HAS BEEN CANCELLED.
HOWEVER...THIS STORM IS STILL CAPABLE OF PRODUCING HEAVY RAIN AND
FLASH FLOODING.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY
MORNING FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST
MISSOURI.
LAT...LON 4019 9131 4023 9132 4028 9134 4061 9132
4060 9066 4028 9069 4028 9090 4019 9091
TIME...MOT...LOC 0648Z 271DEG 40KT 4037 9108
$$
ILC067-109-270700-
/O.CON.KDVN.SV.W.0113.000000T0000Z-110627T0700Z/
MCDONOUGH IL-HANCOCK IL-
148 AM CDT MON JUN 27 2011
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 200 AM CDT
FOR HANCOCK AND WESTERN MCDONOUGH COUNTIES...
AT 146 AM CDT...TRAINED SPOTTERS AND DOPPLER RADAR INDICATED A SEVERE
THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE WINDS IN EXCESS OF 70
MPH...AND QUARTER SIZE HAIL. THIS STORM WAS LOCATED APPROXIMATELY
NEAR BENTLEY...OR NEAR CARTHAGE...MOVING EAST AT 45 MPH.
OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
BOWEN...WEBSTER...LA HARPE...FOUNTAIN GREEN...AUGUSTA...PLYMOUTH...
WESTERN ILLINOIS UNIVERSITY...TENNESSEE...SCIOTA...MACOMB...GOOD
HOPE...FANDON...COLMAR...COLCHESTER...BLANDINSVILLE AND ARGYLE LAKE
STATE PARK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
THIS IS A VERY DANGEROUS STORM CAPABLE OF BLOWING DOWN TREES AND
POWER POLES. MOVE INDOORS TO A SUBSTANTIAL SHELTER SUCH AS A BASEMENT
OR INTERIOR ROOM OR HALLWAY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY
MORNING FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST
MISSOURI.
&&
LAT...LON 4019 9131 4023 9132 4028 9134 4061 9132
4060 9066 4028 9069 4028 9090 4019 9091
TIME...MOT...LOC 0648Z 271DEG 40KT 4037 9108
WIND...HAIL 70MPH 1.00IN
$$
ERVIN491
WWUS53 KDVN 270658
SVSDVN
SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
158 AM CDT MON JUN 27 2011
ILC067-109-270708-
/O.EXP.KDVN.SV.W.0113.000000T0000Z-110627T0700Z/
MCDONOUGH IL-HANCOCK IL-
158 AM CDT MON JUN 27 2011
...THE SEVERE THUNDERSTORM WARNING FOR HANCOCK AND WESTERN MCDONOUGH
COUNTIES WILL EXPIRE AT 200 AM CDT...
A NEW SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 245
AM...FOR EASTERN HANCOCK COUNTY...AND MCDONOUGH COUNTY.
A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 400 AM CDT MONDAY
MORNING FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST
MISSOURI.
LAT...LON 4019 9131 4023 9132 4028 9134 4061 9132
4060 9066 4028 9069 4028 9090 4019 9091
TIME...MOT...LOC 0658Z 271DEG 40KT 4036 9093
$$
ERVINThe office that day
Everything else NWS Quad Cities, IA issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 26, 7:01 PM CDT | Severe Thunderstorm Warning | DVN | Clark, Scotland | 59 min |
| Jun 26, 7:53 PM CDT | Severe Thunderstorm Warning | DVN | Clark, Scotland | 67 min |
| Jun 26, 8:14 PM CDT | Flash Flood Warning | DVN | Clark, Scotland | 9 hr |
| Jun 26, 8:31 PM CDT | Severe Thunderstorm Warning | DVN | Clark | 59 min |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Clark | 3 days |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Clark | 4 days |
| Jun 27, 12:31 AM CDT | River Flood Warning | DVN | Clark | 68 hr |
| Jun 26, 9:29 PM CDT | Special Weather Statement | DVN | Henderson, McDonough, Warren | 61 min |
| Jun 26, 9:37 PM CDT | Flash Flood Warning | DVN | Hancock, Henderson, McDonough | 9 hr |
| Jun 27, 1:38 AM CDT | Severe Thunderstorm Warning | DVN | Hancock, Henderson, McDonough, Warren | 67 min |
| Jun 27, 3:45 AM CDT | River Flood Warning | DVN | Hancock, McDonough | 4 days |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Des Moines, Henry, Lee | 36 hr |
| Jun 26, 10:16 PM CDT | River Flood Warning | DVN | Lee, Van Buren | 36 hr |
| Jun 26, 10:48 PM CDT | Severe Thunderstorm Warning | DVN | Benton, Iowa, Johnson, Keokuk, Linn, Washington | 57 min |
| Jun 26, 11:35 PM CDT | Severe Thunderstorm Warning | DVN | Henry, Jefferson, Van Buren, Washington | 55 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2011Severe Thunderstorm Warnings in Missouri, 2011Severe Thunderstorm Warnings in Iowa, 2011Every severe thunderstorm warning in 2011
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.