Alert archive / Illinois / Severe Thunderstorm Warnings in 2005
Severe Thunderstorm Warning 37, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 11, 2005, 5:23 PM CDT for DeWitt County, Macon County, Illinois. It was in force for 25 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, 5:23 PM CDT (22:23 UTC)
- Expired
- May 11, 2005, 5:48 PM CDT
- In force
- 25 min
- Issued by
- NWS Lincoln, IL
- Area
- Counties, with a storm outline in the text
Counties DeWitt County, IL, Macon County, IL
The radar
The Lincoln radar (KILX), 37 km from the middle of the area, began a volume at 22:25 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 12:00Z, 10.4 hours before the alert went out and 29 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
- 1689 J/kg
- Mixed-layer CIN
- -80 J/kg
- Mixed-layer LCL
- 1125 m above ground
- 0-6 km bulk shear
- 39 kt
- 0-1 km storm-relative helicity
- 148 m²/s²
- 0-3 km storm-relative helicity
- 84 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.5
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KILX 112224 SVRILX ILC039-115-112315- /O.NEW.KILX.SV.W.0037.050511T2223Z-050511T2315Z/ BULLETIN - EAS ACTIVATION REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 523 PM CDT WED MAY 11 2005 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... SOUTHERN DE WITT COUNTY IN CENTRAL ILLINOIS NORTHEASTERN MACON COUNTY IN CENTRAL ILLINOIS * UNTIL 615 PM CDT * AT 520 PM CDT...LOCAL LAW ENFORCEMENT REPORTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING NICKEL SIZE HAIL. THIS STORM WAS LOCATED NEAR MAROA...OR ABOUT 8 MILES SOUTH OF CLINTON...AND WAS MOVING EAST AT 10 MPH. * LOCATIONS IMPACTED INCLUDE... MAROA RURAL SOUTHERN DEWITT COUNTY 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 4007 8903 4000 8902 4001 8876 4013 8876 $$ MILLER &
1 follow-up statement
000 WWUS53 KILX 112248 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 543 PM CDT WED MAY 11 2005 ILC039-115-112253- /O.CAN.KILX.SV.W.0037.000000T0000Z-050511T2315Z/ MACON-DE WITT- 543 PM CDT WED MAY 11 2005 ...THE SEVERE THUNDERSTORM WARNING FOR NORTHEASTERN MACON AND SOUTHERN DE WITT COUNTIES HAS BEEN CANCELLED... AT 541 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED THAT THE THUNDERSTORM THAT HAD PROMPTED THE WARNING HAD WEAKENED...THUS THE WARNING HAS BEEN CANCELLED. REPORT ANY SEVERE WEATHER OR DAMAGE TO YOUR LOCAL EMERGENCY MANAGER...OR THE NEAREST LAW ENFORCEMENT AGENCY...FOR RELAY TO THE NATIONAL WEATHER SERVICE. LAT...LON 4007 8903 4000 8902 4001 8876 4013 8876 $$ 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, 3 hours 23 minutes earlier.
Area forecast discussion, May 11, 2:00 PM CDT, 3 hours 23 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, 5 hours 53 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
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 2:57 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 52 min |
| May 11, 5:29 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Shelby | 46 min |
| May 11, 5:33 PM CDT | Severe Thunderstorm Warning | ILX | Edgar | 59 min |
| May 11, 5:34 PM CDT | Severe Thunderstorm Warning | ILX | Sangamon | 57 min |
| May 11, 5:38 PM CDT | Severe Thunderstorm Warning | ILX | Douglas, Moultrie, Piatt | 67 min |
| May 11, 6:05 PM CDT | Severe Thunderstorm Warning | ILX | Morgan | 41 min |
| May 11, 6:13 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon | 64 min |
| May 11, 6:20 PM CDT | Flash Flood Warning | ILX | Edgar | 3 hr |
| May 11, 6:23 PM CDT | Flash Flood Warning | ILX | Christian, Macon | 3 hr |
| May 11, 6:29 PM CDT | Flash Flood Warning | ILX | Moultrie | 3 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.