Alert archive / Illinois / Severe Thunderstorm Warnings in 2006

Severe Thunderstorm Warning 13, NWS Quad Cities, IA

March 11, 2006Bureau County, Illinois

NWS Quad Cities, IA issued this severe thunderstorm warning at Mar 11, 2006, 6:44 PM CST for Bureau County, Illinois. It was in force for 44 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
Mar 11, 2006, 6:44 PM CST (00:44 UTC)
Expired
Mar 11, 2006, 7:28 PM CST
In force
44 min
Issued by
NWS Quad Cities, IA
Area
Counties, with a storm outline in the text

County Bureau County, IL

The radar

The Quad Cities radar (KDVN), 85 km from the middle of the area, began a volume at 00:44 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.

Did it verify

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this severe thunderstorm warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

IssuedProductOfficeLasted
Mar 11, 2:22 PM CSTTornado WatchSPC8 hr

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 0.7 hours before the alert went out and 79 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 00:00Z on 2006-03-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 529 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Davenport, at 00:00Z on 2006-03-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 28 square meters per square second.1939587897117136Sfc1 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
529 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1583 m above ground
0-6 km bulk shear
93 kt
0-1 km storm-relative helicity
28 m²/s²
0-3 km storm-relative helicity
-15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS53 KDVN 120044
SVRDVN
ILC011-120145-
/O.NEW.KDVN.SV.W.0013.060312T0044Z-060312T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
644 PM CST SAT MAR 11 2006

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  BUREAU COUNTY IN NORTH CENTRAL ILLINOIS
  THIS INCLUDES THE CITY OF PRINCETON

* UNTIL 745 PM CST

* AT 640 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL.  THIS
  STORM WAS LOCATED 8 MILES SOUTHWEST OF SHEFFIELD...OR ABOUT NEAR
  KEWANEE...AND MOVING NORTHEAST AT 50 MPH.

* THE SEVERE THUNDERSTORM WILL BE NEAR...
  SHEFFIELD AND 6 MILES NORTHWEST OF BUDA BY 650 PM CST
  8 MILES NORTHWEST OF WYANET BY 655 PM CST
  WALNUT BY 705 PM CST

THIS INCLUDES INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 37 AND
72.

THIS INCLUDES INTERSTATE 180 BETWEEN MILE MARKERS 9 AND 13.

THIS IS A DANGEROUS STORM. MOVE IMMEDIATELY INDOORS AND STAY AWAY
FROM WINDOWS.

LAT...LON 4157 8984 4124 8985 4135 8918 4158 8919

$$

MAYES
3 follow-up statements
000 
WWUS53 KDVN 120105
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
703 PM CST SAT MAR 11 2006

ILC011-120145-
/O.CON.KDVN.SV.W.0013.000000T0000Z-060312T0145Z/
BUREAU IL-
703 PM CST SAT MAR 11 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CST
FOR NORTHERN BUREAU COUNTY...

AT 702 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. 
THIS STORM WAS LOCATED NEAR WALNUT...OR ABOUT 10 MILES NORTHWEST OF
PRINCETON...MOVING NORTHEAST AT 45 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  OHIO BY 710 PM CST
  6 MILES NORTHWEST OF VAN ORIN BY 715 PM CST
  9 MILES NORTHWEST OF LA MOILLE BY 720 PM CST

THIS INCLUDES INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 41 AND
72.

THIS INCLUDES INTERSTATE 180 BETWEEN MILE MARKERS 10 AND 13.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST SATURDAY EVENING
FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST
MISSOURI.

LAT...LON 4157 8984 4133 8978 4135 8918 4158 8919

$$

MAYES
000 
WWUS53 KDVN 120120
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
718 PM CST SAT MAR 11 2006

ILC011-120145-
/O.CON.KDVN.SV.W.0013.000000T0000Z-060312T0145Z/
BUREAU IL-
718 PM CST SAT MAR 11 2006

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CST
FOR BUREAU COUNTY...

AT 715 PM CST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A 
DEVELOPING SEVERE THUNDERSTORM CAPABLE OF PRODUCING PENNY SIZE HAIL. 
THIS STORM WAS LOCATED NEAR NEPONSET...OR ABOUT 8 MILES NORTHEAST OF 
KEWANEE...MOVING NORTHEAST AT 55 MPH.

THE SEVERE THUNDERSTORM WILL BE NEAR...
  MANLIUS AND 4 MILES NORTHWEST OF WYANET BY 725 PM CST
  KASBEER AND 6 MILES SOUTHEAST OF WALNUT BY 735 PM CST
  OHIO BY 740 PM CST
  VAN ORIN AND 6 MILES NORTHWEST OF LA MOILLE BY 745 PM CST

THIS INCLUDES INTERSTATE 80 IN ILLINOIS BETWEEN MILE MARKERS 37 AND
72.

THIS INCLUDES INTERSTATE 180 BETWEEN MILE MARKERS 9 AND 13.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST SATURDAY EVENING
FOR SOUTHEASTERN IOWA AND NORTHWESTERN ILLINOIS AND NORTHEAST
MISSOURI.

LAT...LON 4145 8986 4125 8986 4135 8918 4159 8919
      4158 8963

$$

MAYES
000 
WWUS53 KDVN 120128
SVSDVN

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
727 PM CST SAT MAR 11 2006

ILC011-120137-
/O.CAN.KDVN.SV.W.0013.000000T0000Z-060312T0145Z/
BUREAU IL-
727 PM CST SAT MAR 11 2006

...THE SEVERE THUNDERSTORM WARNING FOR BUREAU COUNTY IS CANCELLED...

THE THUNDERSTORM THAT WAS CAPABLE OF PRODUCING SEVERE WEATHER HAS 
WEAKENED. THEREFORE THE SEVERE THUNDERSTORM WARNING HAS BEEN 
CANCELLED.

HOWEVER...THIS STORM IS STILL CAPABLE OF PRODUCING PEA SIZE HAIL.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 1000 PM CST SATURDAY EVENING 
FOR NORTHWESTERN ILLINOIS.

LAT...LON 4145 8986 4125 8986 4135 8918 4159 8919
      4158 8963

$$

MAYES

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Quad Cities, IA wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 11, 3:31 PM CST, 3 hours 13 minutes earlier.

Area forecast discussion, Mar 11, 3:31 PM CST, 3 hours 13 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
330 PM CST SAT MAR 10
Hazardous weather outlook, Mar 11, 12:16 PM CST, 6 hours 28 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1216 PM CST SAT MAR 11 2006

IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-121730-
BUCHANAN-DELAWARE-DUBUQUE-BENTON-LINN-JONES-JACKSON-IOWA-JOHNSON-
CEDAR-CLINTON-MUSCATINE-SCOTT-KEOKUK-WASHINGTON-LOUISA-JEFFERSON-
HENRY IA-DES MOINES-VAN BUREN-LEE-JO DAVIESS-STEPHENSON-CARROLL-
WHITESIDE-ROCK ISLAND-HENRY IL-BUREAU-PUTNAM-MERCER-HENDERSON-
WARREN-HANCOCK-MCDONOUGH-SCOTLAND-CLARK-
1216 PM CST SAT MAR 11 2006

...SLIGHT RISK OF SEVERE WEATHER TODAY...

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL
ILLINOIS...NORTHWEST ILLINOIS...WEST CENTRAL ILLINOIS...EAST
CENTRAL IOWA...NORTHEAST IOWA...SOUTHEAST IOWA AND NORTHEAST
MISSOURI.

.DAY ONE...THIS AFTERNOON AND TONIGHT

FLOW FROM THE GULF OF MEXICO HAS ALLOWED WARM AND MOIST AIR TO
WORK ITS WAY TOWARD THE MID-MISSISSIPPI RIVER VALLEY THIS MORNING.
THE WARM AND MOIST AIR SHOULD AID INSTABILITY THIS AFTERNOON...
ALLOWING THUNDERSTORMS TO DEVELOP IN THE AREA. THE PRIMARY THREAT
FOR SEVERE WEATHER EXISTS SOUTH OF HIGHWAY 92 IN IOWA... IN ALL OF
NORTHEASTERN MISSOURI... AND ALONG AND EAST OF THE MISSISSIPPI
RIVER. ENOUGH WIND SHEAR IS PRESENT TO ALLOW DEVELOPMENT OF
SUPERCELL THUNDERSTORMS THAT WILL EVOLVE INTO A LINE OF STORMS
LATER IN THE EVENING. THE MAIN THREAT FROM THESE THUNDERSTORMS
WILL BE LARGE HAIL... ALTHOUGH DAMAGING WIND GUSTS ARE POSSIBLE AS
THE STORMS EVOLVE INTO A LINE IN THE EVENING. AN ISOLATED TORNADO
CANNOT BE RULED OUT... ALTHOUGH THE GREATER THREAT FOR TORNADOES
EXISTS IN EAST CENTRAL MISSOURI INTO SOUTHERN ILLINOIS. BRIEF HEAVY
RAINS MAY ALSO ACCOMPANY THUNDERSTORMS TODAY.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

ON SUNDAY... A MODERATE RISK OF SEVERE WEATHER EXISTS FOR THE AREA
SOUTH OF HIGHWAY 34 AND A SLIGHT RISK FOR SEVERE WEATHER EXISTS
FOR THE REST OF THE AREA. A STORM SYSTEM MOVING THROUGH THE AREA
ON SUNDAY AFTERNOON WILL AGAIN ALLOW SUPERCELL STORMS TO DEVELOP
IN THE AREA. WITH MORE MOISTURE TOMORROW THAN TODAY AS WELL AS
STRONGER WIND SHEAR... THESE STORMS WILL BE CAPABLE OF PRODUCING
LARGE HAIL... DAMAGING WINDS... AND ISOLATED TORNADOES. PLEASE
STAY TUNED TO KEEP ABREAST OF FORECAST UPDATES AS THIS SCENARIO
EVOLVES.

ON WEDNESDAY AND THURSDAY... A DISTURBANCE FROM THE PACIFIC WILL
BRING RAIN AND SNOW TO THE AREA. IT IS TOO EARLY TO ASSESS THE
POTENTIAL FOR RAIN AND SNOW AMOUNTS WITH THIS SYSTEM.

THE LOCALLY HEAVY RAINS POSSIBLE WITH STORMS THIS WEEK MAY CAUSE
LOCAL RIVERS TO EXPERIENCE MODERATE RISES. CURRENT RIVER LEVELS
ARE RUNNING NEAR TO BELOW NORMAL DUE TO THE ONGOING DROUGHT ACROSS
THE REGION.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY THIS AFTERNOON AND EVENING AS WELL AS
TOMORROW. PLEASE REPORT ANY SEVERE WEATHER TO THE NATIONAL WEATHER
SERVICE OFFICE IN THE QUAD CITIES.

MAYES

In the hours before

Local storm report, Mar 11, 5:43 PM CST, 1 hour 1 minute before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
543 PM CST SAT MAR 11 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0542 PM     HAIL             W GENESEO               41.45N 90.15W
03/11/2006  E0.88 INCH       HENRY              IL   TRAINED SPOTTER

            WEST OF GENESEO ON INTERSTATE 80.

&&

DANF
Local storm report, Mar 11, 5:51 PM CST, 53 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
551 PM CST SAT MAR 11 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0542 PM     HAIL             S GREENBUSH             40.72N 90.53W
03/11/2006  E0.75 INCH       WARREN             IL   PUBLIC

&&

DANF
Local storm report, Mar 11, 5:52 PM CST, 52 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
552 PM CST SAT MAR 11 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0535 PM     HAIL             S GREENBUSH             40.72N 90.53W
03/11/2006  E0.75 INCH       WARREN             IL   PUBLIC

&&

DANF
Local storm report, Mar 11, 5:54 PM CST, 50 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
554 PM CST SAT MAR 11 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0549 PM     HAIL             3 W ATKINSON            41.42N 90.07W
03/11/2006  E0.75 INCH       HENRY              IL   TRAINED SPOTTER

            SPOTTER REPORTED THE GROUND WAS COVERED WITH DIME SIZE
            HAIL AT MILE MARKER 25 ALONG INTERSTATE 80.

&&

MIKEZ
Local storm report, Mar 11, 5:58 PM CST, 46 minutes before
PRELIMINARY LOCAL STORM REPORT...CORRECTED
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
558 PM CST SAT MAR 11 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0547 PM     HEAVY RAIN       MACOMB                  40.47N 90.68W
03/11/2006  E1.00 INCH       MCDONOUGH          IL   TRAINED SPOTTER

            SPOTTER ESTIMATED 1.00 RAIN FALL IN PAST 30 MINUTES.
            MINOR STREET FLOODING.

&&

MIKEZ
Local storm report, Mar 11, 6:42 PM CST, 2 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
642 PM CST SAT MAR 11 2006

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0636 PM     HAIL             6 N GALVA               41.25N 90.04W
03/11/2006  E1.00 INCH       HENRY              IL   TRAINED SPOTTER

&&

MIKEZ

The office that day

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

IssuedProductOfficeCountiesLasted
Mar 11, 6:34 PM CSTSevere Thunderstorm WarningDVNHenry21 min
Mar 12, 2:41 PM CSTSevere Thunderstorm WarningDVNWarren26 min
Mar 12, 4:08 PM CSTSevere Thunderstorm WarningDVNPutnam17 min

Nearby

Severe Thunderstorm Warnings in Illinois, 2006Every severe thunderstorm warning in 2006

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.