Alert archive / Illinois / Areal Flood Warnings in 2011
Areal Flood Warning 21, NWS Lincoln, IL
NWS Lincoln, IL issued this areal flood warning at Jun 20, 2011, 6:32 AM CDT for Morgan County, Illinois. It was in force for 11 hr. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 20, 2011, 6:32 AM CDT (11:32 UTC)
- Expired
- Jun 20, 2011, 5:47 PM CDT
- In force
- 11 hr
- Issued by
- NWS Lincoln, IL
- Area
- Storm-based polygon
- Flood severity
- None
County Morgan County, IL
The radar
The Lincoln radar (KILX), 83 km from the middle of the area, began a volume at 11:35 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.
The nearest sounding before it
Lincoln, IL (KILX), launched 00:00Z, 11.5 hours before the alert went out and 137 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
- 1795 J/kg
- Mixed-layer CIN
- -133 J/kg
- Mixed-layer LCL
- 1089 m above ground
- 0-6 km bulk shear
- 54 kt
- 0-1 km storm-relative helicity
- 167 m²/s²
- 0-3 km storm-relative helicity
- 197 m²/s²
- Significant tornado parameter
- 0.4
- Supercell composite
- 6.3
The text
As transmitted, in the capitals the NWS used until 2016.
308 WGUS43 KILX 201132 FLWILX BULLETIN - IMMEDIATE BROADCAST REQUESTED FLOOD WARNING NATIONAL WEATHER SERVICE LINCOLN IL 632 AM CDT MON JUN 20 2011 ILC137-202330- /O.NEW.KILX.FA.W.0021.110620T1132Z-110620T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MORGAN IL- 632 AM CDT MON JUN 20 2011 THE NATIONAL WEATHER SERVICE IN LINCOLN HAS ISSUED A * FLOOD WARNING FOR... SOUTHEASTERN MORGAN COUNTY IN WEST CENTRAL ILLINOIS... * UNTIL 630 PM CDT MONDAY * AT 630 PM CDT...FLOODING CONTINUES IN THE JACKSONVILLE AREA AND POINTS EAST AND SOUTHEAST OF TOWN. SEVERAL ROADWAYS WILL CONTINUE TO HAVE WATER OVER THEM THIS MORNING. * SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE... JACKSONVILLE...ALEXANDER...FRANKLIN...WAVERLY AND WOODSON. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3979 9001 3953 8994 3954 9018 3973 9030 $$ AUTEN
2 follow-up statements
077 WGUS83 KILX 201747 FLSILX FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 1247 PM CDT MON JUN 20 2011 ILC137-202330- /O.CON.KILX.FA.W.0021.000000T0000Z-110620T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MORGAN- 1247 PM CDT MON JUN 20 2011 ...FLOOD WARNING REMAINS IN EFFECT FOR SOUTHEASTERN MORGAN COUNTY UNTIL 630 PM CDT... AREAS OF FLOODING CONTINUE AROUND JACKSONVILLE...AND POINTS EAST AND SOUTHEAST OF TOWN. SEVERAL ROADWAYS CONTINUE TO HAVE WATER OVER THEM. ADDITIONAL RAINFALL THIS MORNING WAS AS HIGH AS AN INCH...IN A NARROW AXIS FROM LYNNVILLE...NORTHEAST THROUGH JACKSONVILLE...INTO NORTHWEST SANGAMON COUNTY. THE RUNOFF FROM THIS RAINFALL MAY CAUSE A BRIEF WORSENING OF THE FLOODING IN LOW LYING AREAS AND ALONG CREEKS AND STREAMS. HOWEVER...THE MORNING STORMS MISSED AREAS SOUTH OF LAKE JACKSONVILLE AND ALEXANDER. LITTLE ADDITIONAL RAINFALL IS EXPECTED INTO THIS EVENING. PRECAUTIONARY/PREPAREDNESS ACTIONS... DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS SAFELY. && LAT...LON 3979 9001 3953 8994 3954 9018 3973 9030 $$ GEELHART
719 WGUS83 KILX 202247 FLSILX FLOOD STATEMENT NATIONAL WEATHER SERVICE LINCOLN IL 547 PM CDT MON JUN 20 2011 ILC137-202303- /O.CAN.KILX.FA.W.0021.000000T0000Z-110620T2330Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ MORGAN IL- 547 PM CDT MON JUN 20 2011 ...THE FLOOD WARNING THAT WAS IN EFFECT FOR SOUTHEASTERN MORGAN COUNTY IS CANCELLED... EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED... PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY. LAT...LON 3979 9001 3953 8994 3954 9018 3973 9030 $$ SHIMON
The office that day
Everything else NWS Lincoln, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 19, 9:17 PM CDT | Flash Flood Warning | ILX | Scott | 12 hr |
| Jun 20, 4:07 AM CDT | Special Weather Statement | ILX | Fulton, Knox, Peoria, Stark | 53 min |
| Jun 20, 5:01 AM CDT | Special Weather Statement | ILX | McLean, Marshall, Tazewell, Woodford | 59 min |
| Jun 20, 6:11 AM CDT | Special Weather Statement | ILX | Ford | 64 min |
| Jun 20, 9:29 AM CDT | Flash Flood Warning | ILX | Scott | 24 hr |
Nearby
Areal Flood Warnings in Illinois, 2011Every areal flood 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.