Alert archive / Illinois / Severe Thunderstorm Warnings in 2005

Severe Thunderstorm Warning 46, NWS Lincoln, IL

May 11, 2005Christian County, Illinois

NWS Lincoln, IL issued this severe thunderstorm warning at May 11, 2005, 8:14 PM CDT for Christian County, Illinois. It was in force for 45 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
May 11, 2005, 8:14 PM CDT (01:14 UTC)
Expired
May 11, 2005, 8:59 PM CDT
In force
45 min
Issued by
NWS Lincoln, IL
Area
Counties, with a storm outline in the text

County Christian County, IL

The radar

The Lincoln radar (KILX), 77 km from the middle of the area, began a volume at 01:14 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 nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 1.2 hours before the alert went out and 108 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, Lincoln, IL at 00:00Z on 2005-05-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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, Lincoln, IL at 00:00Z on 2005-05-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 128 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1278 m above ground
0-6 km bulk shear
33 kt
0-1 km storm-relative helicity
128 m²/s²
0-3 km storm-relative helicity
263 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.4

Open this sounding in Storm Lab

The text

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

000 
WUUS53 KILX 120115
SVRILX
ILC021-120215-
/O.NEW.KILX.SV.W.0046.050512T0114Z-050512T0215Z/

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE LINCOLN IL
814 PM CDT WED MAY 11 2005

THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  SOUTHERN CHRISTIAN COUNTY IN CENTRAL ILLINOIS

* UNTIL 915 PM CDT

* AT 809 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.  THIS
  STORM WAS LOCATED 11 MILES WEST OF MORRISONVILLE...OR NEAR 
  FARMERSVILLE...AND WAS MOVING EAST AT 30 MPH.

* LOCATIONS IMPACTED INCLUDE...
  MORRISONVILLE
  PALMER
  TAYLORVILLE
  VANDERVILLE

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

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3952 8968 3938 8968 3938 8922 3953 8919

$$

MILLER
2 follow-up statements
000 
WWUS53 KILX 120137
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
837 PM CDT WED MAY 11 2005

ILC021-120215-
/O.CON.KILX.SV.W.0046.000000T0000Z-050512T0215Z/
CHRISTIAN-
837 PM CDT WED MAY 11 2005

...A SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 915 PM CDT FOR
SOUTHERN CHRISTIAN COUNTY...

AT 835 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO
INDICATE A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL.
THIS STORM WAS LOCATED NEAR MORRISONVILLE MOVING EAST AT 35 MPH.

PEOPLE NEAR THESE LOCATIONS ARE STILL THREATENED...
  MORRISONVILLE.
  TAYLORVILLE.

OTHER LOCATIONS AFFECTED INCLUDE...PALMER...VANDERVILLE AND OWANECO.

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

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3950 8953 3936 8954 3936 8918 3951 8919

$$

MILLER
000 
WWUS53 KILX 120159
SVSILX

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE LINCOLN IL
859 PM CDT WED MAY 11 2005

ILC021-120209-
/O.CAN.KILX.SV.W.0046.000000T0000Z-050512T0215Z/
CHRISTIAN-
859 PM CDT WED MAY 11 2005

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHERN CHRISTIAN COUNTY
HAS BEEN CANCELLED...

AT 856 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT
THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS
THE WARNING HAS BEEN CANCELLED.

REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY
MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE
NATIONAL WEATHER SERVICE.

LAT...LON 3950 8953 3936 8954 3936 8918 3951 8919

$$

MILLER

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 Lincoln, IL wrote its last area forecast discussion before this severe thunderstorm warning went out at May 11, 2:00 PM CDT, 6 hours 14 minutes earlier.

Area forecast discussion, May 11, 2:00 PM CDT, 6 hours 14 minutes before
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE LINCOLN IL
2 PM CDT WED MAY 11 2005

.DISCUSSION...

WILL BE ISSUING ZONES AND GRIDS A BIT EARLY TODAY WITH ISSUANCE OF
SEVERE THUNDERSTORM WATCH 247.

SHORT TERM...TONIGHT THROUGH SATURDAY...
ABUNDANT MESOSCALE CONCERNS REGARDING POTENTIAL CONVECTION THIS
AFTERNOON AND EVENING. OUTFLOW BOUNDARY FROM LAST NIGHTS CONVECTION
IS NOW IN PLACE FROM NEAR DANVILLE TO TAYLORVILLE AND IS PRODUCING
LOCALLY POOLING DEWPOINTS INTO THE 70S. THE 18Z KILX SOUNDING STILL
SHOWS THE SHALLOW COLD POOL ASSOCIATED WITH THIS BOUNDARY...HOWEVER
WINDS HAVE NOW BECOME SOUTHEAST AT PIA AND GBG AND 18Z SURFACE OBS
INDICATE THAT THE COOLER AIR HAS VIRTUALLY MIXED OUT ALLOWING THE
MAIN BOUNDARY TO REORGANIZE ITSELF NEAR I-80.  IN ADDITION...A
REINFORCEMENT OF THE COOL AIR IS SPEEDING SOUTHWARD THROUGH NORTHERN
ILLINOIS AT THIS TIME AND SHOULD PUSH SOUTH THROUGH AFTERNOON AND
EVENING.

THE COMBINATION OF BOUNDARIES AND POOLING OF MOISTURE HAS ALREADY
PRODUCED MUCAPE VALUES >3000 J/KG SOUTHEAST OF THE ORIGINAL OUTFLOW
WITH LITTLE OR NO CAPE.  WOULD EXPECT SCATTERED DEVELOPMENT ALONG
THIS BOUNDARY THIS AFTERNOON. THIS EVENING...MCS NOW DEVELOPING OVER
NORTHWEST MISSOURI WILL LIKELY TRACK NORTHEAST AND THEN EAST
SOUTHEAST ALONG PLUNGING FRONTAL BOUNDARY.  WOULD EXPECT THAT MUCH
OF THE AREA SHOULD SEE STORMS AT SOME POINT OVERNIGHT GIVEN THE
BOUNDARIES...THE APPROACHING MCS...AND AN INCREASING LLJ.  ONLY
QUESTION IS LACK OF SIGNIFICANT DYNAMICS WITH THE BEST FORCING NORTH
AND WEST OF THE AREA.

SOMEWHAT OF A LULL IS LIKELY ON THURSDAY WITH ONLY SCATTERED
ACTIVITY LIKELY OVER THE CENTRAL AND NORTH.  OF COURSE THAT DEPENDS
ON THE BOUNDARY PLACEMENT IN THE WAKE OF TONIGHTS MCS.

NEXT LIKELY POPS CAN BE EXPECTED ON FRIDAY AS DYNAMICS OF MAIN LOBE
ASSOCIATED WITH UPPER LOW OVER NORTHERN PLAINS REACHES AREA WITH
ASSOCIATED FRONT. COOLER TEMPS ALOFT WILL ENHANCE INSTABILITY
BRINGING ANOTHER POTENTIAL ROUND OF SEVERE WEATHER.

PRECIP WILL LIKELY LINGER INTO SATURDAY UNTIL MAIN TROUGH PASSES
THROUGH.

LONG TERM...SATURDAY THROUGH WEDNESDAY...
NORTHWEST FLOW SHOULD KEEP FORECAST AREA COOL AND DRY INTO NEXT
WEEK.  NEXT SYSTEM APPROACHES THE AREA LATE TUESDAY INTO WEDNESDAY.

&&

.ILX WATCHES/WARNINGS/ADVISORIES...
IL...NONE.

&&

BARKER
Hazardous weather outlook, May 11, 11:30 AM CDT, 8 hours 44 minutes before
HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE LINCOLN IL
1130 AM CDT WED MAY 11 2005

ILZ027>031-036>038-040>057-061>063-066>068-071>073-121100-
CASS-CHAMPAIGN-CHRISTIAN-CLARK-CLAY-COLES-CRAWFORD-CUMBERLAND-
DE WITT-DOUGLAS-EDGAR-EFFINGHAM-FULTON-JASPER-KNOX-LAWRENCE-LOGAN-
MACON-MARSHALL-MASON-MCLEAN-MENARD-MORGAN-MOULTRIE-PEORIA-PIATT-
RICHLAND-SANGAMON-SCHUYLER-SCOTT-SHELBY-STARK-TAZEWELL-VERMILION-
WOODFORD-
INCLUDING THE CITIES OF...BLOOMINGTON...CHAMPAIGN...DANVILLE...
DECATUR...EFFINGHAM...FLORA...GALESBURG...HAVANA...JACKSONVILLE...
LAWRENCEVILLE...LINCOLN...MATTOON...PEORIA...SHELBYVILLE...
SPRINGFIELD AND TAYLORVILLE
1130 AM CDT WED MAY 11 2005

THIS HAZARDOUS WEATHER OUTLOOK IS FOR CENTRAL AND SOUTHEAST ILLINOIS.

.DAY ONE...THIS AFTERNOON AND TONIGHT...

THERE IS A SLIGHT RISK OF SEVERE THUNDERSTORMS ACROSS CENTRAL AND
SOUTHEAST ILLINOIS THIS AFTERNOON AND INTO THIS EVENING. THE BEST
CHANCES FOR SEVERE STORMS WILL BE FROM PEORIA SOUTHWARD BETWEEN
3 AND 9 PM. LARGE HAIL IS THE MAIN SEVERE WEATHER THREAT. GUSTY
WINDS AND HEAVY RAIN WITH SOME PONDING OF WATER IN URBAN AREAS CAN
ALSO BE EXPECTED.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

A CONTINUED CHANCE OF SEVERE THUNDERSTORMS WILL BE POSSIBLE ON
THURSDAY NORTHWEST OF THE ILLINOIS RIVER. THERE IS A SLIGHT CHANCE
OF SEVERE THUNDERSTORMS ACROSS CENTRAL AND SOUTHEAST ILLINOIS FROM
THE ILLINOIS RIVER SOUTHEAST ON FRIDAY AND FRIDAY NIGHT AS A COLD
FRONT MOVES THROUGH ILLINOIS.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION MAY BE REQUIRED BETWEEN 3 AND 9 PM THIS AFTERNOON
AND EARLY EVENING.

&&

THIS PRODUCT...ALONG WITH OTHER WEATHER...HYDROLOGIC AND CLIMATE
INFORMATION...IS AVAILABLE ON THE WEB AT:

HTTP://WWW.WEATHER.GOV/LINCOLN. THIS ADDRESS IS ALL IN LOWER CASE.

HUETTL/SHIMON

In the hours before

Local storm report, May 11, 6:19 PM CDT, 1 hour 55 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
619 PM CDT WED MAY 11 2005

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

0540 PM     HAIL             BROCTON                 39.72N 87.93W
05/11/2005  0.75 INCH        EDGAR              IL   LAW ENFORCEMENT

&&

KELLY
Local storm report, May 11, 6:28 PM CDT, 1 hour 46 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
628 PM CDT WED MAY 11 2005

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

0605 PM     HAIL             LOVINGTON               39.71N 88.63W
05/11/2005  1.00 INCH        MOULTRIE           IL   CO-OP OBSERVER

            HAIL RANGING IN SIZE FROM PEA TO QUARTER SIZED HAIL
            FALLING FOR ABOUT A HALF HOUR. REPORT FROM LOVINGTON COOP
            OBSERVER.

&&

KELLY
Local storm report, May 11, 6:47 PM CDT, 1 hour 27 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
647 PM CDT WED MAY 11 2005

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

0642 PM     FLASH FLOOD      BLUE MOUND              39.70N 89.12W
05/11/2005                   MACON              IL   EMERGENCY MNGR

            STATE HIGHWAY 48 UNDER WATER SW OF BLUE MOUND. IN
            ADDITION...A FEW COUNTY ROADS IN SW MACON COUNTY UNDER
            WATER.

&&

KELLY
Local storm report, May 11, 6:58 PM CDT, 1 hour 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
658 PM CDT WED MAY 11 2005

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

0656 PM     FLASH FLOOD      LOVINGTON               39.71N 88.63W
05/11/2005                   MOULTRIE           IL   LAW ENFORCEMENT

            WATER COVERING ROADS IN LOVINGTON.

&&

KELLY
Local storm report, May 11, 7:09 PM CDT, 1 hour 5 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
709 PM CDT WED MAY 11 2005

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

0553 PM     HAIL             CHATHAM                 39.67N 89.70W
05/11/2005  0.75 INCH        SANGAMON           IL   LAW ENFORCEMENT

            FROM COUNTY SHERIFF.

&&

KELLY
Local storm report, May 11, 7:58 PM CDT, 16 minutes before
PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE LINCOLN IL
758 PM CDT WED MAY 11 2005

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

0552 PM     HAIL             BLUE MOUND              39.70N 89.12W
05/11/2005  1.75 INCH        MACON              IL   AMATEUR RADIO

            HAM RADIO REPORT.

0754 PM     FLASH FLOOD      BLUE MOUND              39.70N 89.12W
05/11/2005                   MACON              IL   AMATEUR RADIO

            THREE FEET OF WATER STILL OVER ILLINOIS ROUTE 48 JUST
            SOUTHWEST OF BLUE MOUND. WATER HAS BEEN FLOWING OVER THE
            ROAD FOR OVER AN HOUR.

&&

KELLY

The office that day

Everything else NWS Lincoln, IL issued on the same UTC day.

IssuedProductOfficeCountiesLasted
May 11, 7:07 PM CDTSevere Thunderstorm WarningILXMoultrie, Shelby53 min
May 11, 7:15 PM CDTSevere Thunderstorm WarningILXMorgan, Scott39 min
May 11, 8:56 PM CDTFlash Flood WarningILXEdgar6 hr
May 11, 9:00 PM CDTFlash Flood WarningILXChristian, Macon6 hr
May 11, 9:03 PM CDTFlash Flood WarningILXMoultrie6 hr

Nearby

Severe Thunderstorm Warnings in Illinois, 2005Every severe thunderstorm warning in 2005

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.