Alert archive / Illinois / Severe Thunderstorm Warnings in 2009
Severe Thunderstorm Warning 13, NWS Lincoln, IL
NWS Lincoln, IL issued this severe thunderstorm warning at May 7, 2009, 4:53 PM CDT for 4 counties in Illinois. It was in force for 52 min. 6 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
- May 7, 2009, 4:53 PM CDT (21:53 UTC)
- Expired
- May 7, 2009, 5:45 PM CDT
- In force
- 52 min
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
Counties Logan County, IL, Mason County, IL, Menard County, IL, Sangamon County, IL
The radar
The Lincoln radar (KILX), 19 km from the middle of the area, began a volume at 21:54 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 |
|---|---|---|---|
| May 7, 5:05 PM CDT | HAIL 0.88 | 2 E Petersburg, IL | FROM SWOP. |
| May 7, 5:10 PM CDT | TSTM WND DMG | 5 E Greenview, IL | BRANCHES BLOWN DOWN. FROM SWOP MESONET OBSERVER. |
| May 7, 5:11 PM CDT | TSTM WND DMG | Greenview, IL | POWER POLE BLOWN DOWN AND SHINGES BLOWN OFF ROOF. FROM EMERGENCY MANAGER. |
| May 7, 5:11 PM CDT | HAIL 0.88 | Petersburg, IL | FROM COCORAHS OBSERVER. |
| May 7, 5:28 PM CDT | HAIL 0.75 | 2 Se Williamsville, IL | |
| May 7, 5:35 PM CDT | TSTM WND GST 60 | Cornland, IL | FROM COUNTY EMA. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Lincoln, IL (KILX), launched 12:00Z, 9.9 hours before the alert went out and 81 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
- 330 J/kg
- Mixed-layer CIN
- -34 J/kg
- Mixed-layer LCL
- 621 m above ground
- 0-6 km bulk shear
- 48 kt
- 0-1 km storm-relative helicity
- 81 m²/s²
- 0-3 km storm-relative helicity
- 81 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.3
The text
As transmitted, in the capitals the NWS used until 2016.
000 WUUS53 KILX 072153 SVRILX ILC107-125-129-167-072245- /O.NEW.KILX.SV.W.0013.090507T2153Z-090507T2245Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED SEVERE THUNDERSTORM WARNING NATIONAL WEATHER SERVICE LINCOLN IL 453 PM CDT THU MAY 7 2009 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * SEVERE THUNDERSTORM WARNING FOR... LOGAN COUNTY IN CENTRAL ILLINOIS... MASON COUNTY IN CENTRAL ILLINOIS... MENARD COUNTY IN CENTRAL ILLINOIS... NORTHEASTERN SANGAMON COUNTY IN CENTRAL ILLINOIS... * UNTIL 545 PM CDT. * AT 453 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING QUARTER SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED 6 MILES NORTHWEST OF PETERSBURG...OR ABOUT 14 MILES SOUTHWEST OF MASON CITY...AND WAS MOVING EAST AT 40 MPH. * LOCATIONS IMPACTED INCLUDE... GREENVIEW... ATHENS... MASON CITY... MIDDLETOWN... WILLIAMSVILLE... ELKHART... HARTSBURG... CORNLAND... OTHER LOCATIONS IN THIS WARNING INCLUDE...EASTON...EMDEN...LINCOLN AND MOUNT PULASKI. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4032 8927 3987 8924 3999 8998 4028 9003 TIME...MOT...LOC 2153Z 277DEG 33KT 4009 8988 $$
4 follow-up statements
000 WWUS53 KILX 072210 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 510 PM CDT THU MAY 7 2009 ILC107-125-129-167-072245- /O.CON.KILX.SV.W.0013.000000T0000Z-090507T2245Z/ SANGAMON IL-MENARD IL-LOGAN IL-MASON IL- 510 PM CDT THU MAY 7 2009 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR MASON...LOGAN...MENARD AND NORTHEASTERN SANGAMON COUNTIES... AT 508 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE QUARTER TO GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR SWEETWATER...OR 11 MILES SOUTH OF MASON CITY...MOVING EAST AT 40 MPH. LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE...FANCY PRAIRIE...MIDDLETOWN...WILLIAMSVILLE...ELKHART...BROADWELL...CORNLAND AND MOUNT PULASKI. PRECAUTIONARY/PREPAREDNESS ACTIONS... SEVERE THUNDERSTORMS PRODUCE DAMAGING WIND IN EXCESS OF 60 MPH... DESTRUCTIVE HAIL...DEADLY LIGHTNING...AND VERY HEAVY RAIN. FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF YOUR HOME OR BUSINESS. HEAVY RAINS FLOOD ROADS QUICKLY SO DO NOT DRIVE INTO AREAS WHERE WATER COVERS THE ROAD. && LAT...LON 4028 9000 4032 8927 3987 8924 3997 8987 TIME...MOT...LOC 2210Z 277DEG 33KT 4004 8970 $$ HUETTL
000 WWUS53 KILX 072223 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 523 PM CDT THU MAY 7 2009 ILC107-125-129-167-072245- /O.CON.KILX.SV.W.0013.000000T0000Z-090507T2245Z/ SANGAMON IL-MENARD IL-LOGAN IL-MASON IL- 523 PM CDT THU MAY 7 2009 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR EASTERN MASON...LOGAN...EASTERN MENARD AND NORTHEASTERN SANGAMON COUNTIES... AT 522 PM CDT...NATIONAL WEATHER SERVICE METEOROLOGISTS CONTINUED TO DETECT A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE QUARTER TO GOLF BALL SIZE HAIL...AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR FANCY PRAIRIE...OR 14 MILES SOUTHWEST OF LINCOLN...MOVING EAST AT 40 MPH. LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... WILLIAMSVILLE...ELKHART...BROADWELL...CORNLAND AND MOUNT PULASKI. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 3996 8973 4029 8975 4032 8927 3987 8924 TIME...MOT...LOC 2223Z 277DEG 33KT 4001 8955 $$ HUETTL
000 WWUS53 KILX 072229 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 529 PM CDT THU MAY 7 2009 ILC107-125-129-167-072245- /O.CON.KILX.SV.W.0013.000000T0000Z-090507T2245Z/ SANGAMON IL-MENARD IL-LOGAN IL-MASON IL- 529 PM CDT THU MAY 7 2009 ...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 545 PM CDT FOR EASTERN MASON...LOGAN...NORTHEASTERN MENARD AND NORTHEASTERN SANGAMON COUNTIES... AT 528 PM CDT...TRAINED WEATHER SPOTTERS REPORTED A SEVERE THUNDERSTORM CAPABLE OF PRODUCING DESTRUCTIVE GOLF BALL SIZE HAIL... AND DAMAGING WINDS IN EXCESS OF 60 MPH. THIS STORM WAS LOCATED NEAR WILLIAMSVILLE...OR 13 MILES NORTH OF SPRINGFIELD...MOVING EAST AT 40 MPH. EMERGENCY OFFICIALS REPORTED GOLF BALL SIZE HAIL 2 MILES SOUTH OF WILLIAMSVILLE AT 523 PM. LOCATIONS NEAR THE PATH OF THE SEVERE THUNDERSTORM INCLUDE... WILLIAMSVILLE...BROADWELL...CORNLAND AND MOUNT PULASKI. PRECAUTIONARY/PREPAREDNESS ACTIONS... IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...CONTINUOUS CLOUD TO GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY LIGHTNING IS ONE OF NATURES NUMBER ONE KILLERS. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE STRUCK BY LIGHTNING. && LAT...LON 3996 8966 4029 8966 4032 8927 3987 8924 TIME...MOT...LOC 2228Z 277DEG 33KT 3996 8955 $$ HUETTL
000 WWUS53 KILX 072247 SVSILX SEVERE WEATHER STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 547 PM CDT THU MAY 7 2009 ILC107-125-129-167-072255- /O.EXP.KILX.SV.W.0013.000000T0000Z-090507T2245Z/ SANGAMON IL-MENARD IL-LOGAN IL-MASON IL- 547 PM CDT THU MAY 7 2009 ...THE SEVERE THUNDERSTORM WARNING FOR EASTERN MASON...LOGAN... AND NORTHEASTERN MENARD COUNTIES EXPIRES AT 545 PM CDT... ...SEVERE THUNDERSTORM WARNING CONTINUES UNTIL 615 PM FOR NORTHERN CHRISTIAN...SOUTHERN LOGAN...MACON AND NORTHEAST SANGAMON COUNTIES. THE STORM WHICH PROMPTED THE WARNING HAS MOVED OUT OF THE WARNED AREA...HOWEVER SMALL HAIL...GUSTY WINDS AND HEAVY RAIN ARE STILL POSSIBLE WITH THIS THUNDERSTORM AS IT MOVES EAST NEAR 40 MPH. LAT...LON 3996 8966 4029 8966 4032 8927 3987 8924 TIME...MOT...LOC 2245Z 277DEG 33KT 3994 8935 $$ HUETTL
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 6, 8:58 PM CDT | Areal Flood Advisory | ILX | Marshall, Peoria, Woodford | 5 hr |
| May 7, 1:13 AM CDT | Dense Fog Advisory | ILX | Clark, Clay, Coles, Crawford, Cumberland, Edgar and 5 more | 8 hr |
| May 7, 4:29 PM CDT | Severe Thunderstorm Warning | ILX | Cass, Fulton, Mason, Menard, Schuyler, Tazewell | 46 min |
| May 7, 5:33 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Logan, Macon, Sangamon | 42 min |
| May 7, 5:43 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Macon, Sangamon | 47 min |
| May 7, 6:13 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 47 min |
| May 7, 6:57 PM CDT | Severe Thunderstorm Warning | ILX | Christian, Shelby | 48 min |
Nearby
Severe Thunderstorm Warnings in Illinois, 2009Every severe thunderstorm warning in 2009
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.