Alert archive / Indiana / River Flood Warnings in 2018
River Flood Warning 21, NWS Chicago, IL
NWS Chicago, IL issued this river flood warning at Feb 20, 2018, 3:00 AM CST for Lake County, Indiana. It took effect at Feb 20, 2018, 7:45 AM CST. It was in force for 26 hr.
The area
The outline as issued.
The facts
- Issued
- Feb 20, 2018, 3:00 AM CST (09:00 UTC)
- In effect from
- Feb 20, 2018, 7:45 AM CST
- Expired
- Feb 21, 2018, 10:00 AM CST
- In force
- 26 hr
- Issued by
- NWS Chicago, IL
- Area
- Storm-based polygon
- Flood severity
- Moderate
County Lake County, IN
The radar
The Chicago radar (KLOT), 48 km from the middle of the area, began a volume at 09:03 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 river
Written for the forecast point Hart Ditch at Dyer (HDDI3). The gauge peaked at 14.90 ft at Feb 20, 2018, 5:00 PM CST.
- Action stage
- 11 ft
- Minor stage
- 12 ft
- Moderate stage
- 13 ft
- Major stage
- 14 ft
This gauge today: stage, forecast and historic crests
Stage from the USGS instantaneous record for site 05536179, one reading an hour, from a day before the product to a day after it ended. Flood stages are today's.
The text
As transmitted.
551 WGUS43 KLOT 200900 FLWLOT Flood Warning National Weather Service Chicago/Romeoville IL 300 AM CST Tue Feb 20 2018 ...The National Weather Service in Chicago has issued a Flood Warning for the following rivers in Indiana... Hart Ditch at Dyer affecting Lake County .Synopsis...Heavy rainfall of 1.5 to 3 inches is likely through Tuesday night with locally heavier amounts in excess of 3 inches possible. The combination of this heavy rainfall, frozen ground, and some snow melt will likely result in flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... Safety message...If you encounter a flooded roadway...turn around and find an alternate route. Additional information can be found at weather.gov/chicago. && INC089-202100- /O.NEW.KLOT.FL.W.0021.180220T1345Z-180221T1600Z/ /HDDI3.2.ER.180220T1345Z.180221T0000Z.180221T1000Z.NO/ 300 AM CST Tue Feb 20 2018 The National Weather Service in Chicago has issued a * Flood Warning for The Hart Ditch at Dyer. * from this morning to Wednesday morning. * At 200 AM Tuesday the stage was 9.4 feet. * Flood stage is 12.0 feet. * Moderate flooding is forecast. * Forecast...Rise above flood stage by this morning and continue to rise to near 13.5 feet by this evening.The river will fall below flood stage by early Wednesday. * Impact...At 13.5 feet...Park Manor Drive, Berens Street, Monaldi Parkway begin to pond if not protected. && LAT...LON 4157 8753 4153 8744 4145 8750 4148 8759 $$
4 follow-up statements
591 WGUS83 KLOT 201517 FLSLOT Flood Statement National Weather Service Chicago/Romeoville IL 917 AM CST Tue Feb 20 2018 ...The Flood Warning continues for the following rivers in Indiana... Hart Ditch at Dyer affecting Lake County Little Calumet River at Munster affecting Lake County .Synopsis...Heavy rainfall will continue through tonight, with additional rainfall amounts today and tonight of 2 to 3 inches expected. The combination of this heavy rainfall, frozen ground, and some recent snow melt will result in flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... Safety message...If you encounter a flooded roadway...turn around and find an alternate route. && INC089-210517- /O.EXT.KLOT.FL.W.0021.000000T0000Z-180221T1609Z/ /HDDI3.2.ER.180220T1422Z.180221T0000Z.180221T1009Z.NO/ 917 AM CST Tue Feb 20 2018 The Flood Warning continues for The Hart Ditch at Dyer. * until Wednesday morning. * At 900 AM Tuesday the stage was 12.5 feet. * Flood stage is 12.0 feet. * Minor flooding is occurring and Moderate flooding is forecast. * Forecast...The river will continue rising to near 13.1 feet by this evening. The river will fall below flood stage early Wednesday. * Impact...At 13.0 feet...Monaldi Pkwy storm sewer at capacity. East bank downstream of Hart overtops toward Kahler Pond. All storm sewers in Northgate are surcharged. && LAT...LON 4157 8753 4153 8744 4145 8750 4148 8759 $$ INC089-210516- /O.EXT.KLOT.FL.W.0004.000000T0000Z-180222T1617Z/ /LCMI3.2.ER.180220T0642Z.180221T0600Z.180222T1017Z.NO/ 917 AM CST Tue Feb 20 2018 The Flood Warning continues for The Little Calumet River at Munster. * until Thursday morning. * At 900 AM Tuesday the stage was 14.0 feet. * Flood stage is 12.0 feet. * Minor flooding is occurring and Moderate flooding is forecast. * Forecast...The river will continue rising to near 15.5 feet by early Wednesday. The river will fall below flood stage Thursday morning. * Impact...At 15.0 feet...Flooding begins to affect some residences near the river. && LAT...LON 4153 8747 4158 8760 4165 8755 4159 8742 $$
559 WGUS43 KLOT 201915 FLWLOT Flood Warning National Weather Service Chicago/Romeoville IL 115 PM CST Tue Feb 20 2018 ...Forecast flooding Changed from Moderate to Major severity for the following rivers in Indiana... Hart Ditch at Dyer affecting Lake County .Synopsis...Heavy rainfall will continue through tonight, with additional rainfall amounts of around 2 inches expected. The combination of this heavy rainfall, frozen ground, and some recent snow melt will result in flooding. PRECAUTIONARY/PREPAREDNESS ACTIONS... Safety message...If you encounter a flooded roadway...turn around and find an alternate route. Additional information can be found at weather.gov/chicago. && INC089-210715- /O.EXT.KLOT.FL.W.0021.000000T0000Z-180222T0724Z/ /HDDI3.3.ER.180220T1422Z.180221T0600Z.180222T0124Z.NO/ 115 PM CST Tue Feb 20 2018 ...Forecast flooding increased from Moderate to Major severity... The Flood Warning continues for The Hart Ditch at Dyer. * until late Wednesday night. * At 100 PM Tuesday the stage was 13.9 feet. * Flood stage is 12.0 feet. * Moderate flooding is occurring and Major flooding is forecast. * Forecast...The river will continue rising to near 14.7 feet by early Wednesday. The river will fall below flood stage Wednesday evening. * Impact...At 13.5 feet...Park Manor Drive, Berens Street, Monaldi Parkway begin to pond if not protected. && LAT...LON 4157 8753 4153 8744 4145 8750 4148 8759 $$
472 WGUS83 KLOT 210140 FLSLOT Flood Statement National Weather Service Chicago/Romeoville IL 740 PM CST Tue Feb 20 2018 ...The Flood Warning continues for the following rivers in Indiana... Illinois... Hart Ditch at Dyer affecting Lake County Little Calumet River at Munster affecting Lake County Thorn Creek at Thornton affecting Cook County .Heavy rain of 2 to 4 inches has caused rapid rises on area rivers. PRECAUTIONARY/PREPAREDNESS ACTIONS... Safety message...If you encounter a flooded roadway...turn around and find an alternate route. && INC089-211540- /O.EXT.KLOT.FL.W.0021.000000T0000Z-180222T0022Z/ /HDDI3.3.ER.180220T1422Z.180220T2245Z.180221T1822Z.NO/ 740 PM CST Tue Feb 20 2018 The Flood Warning continues for The Hart Ditch at Dyer. * until Wednesday evening. * At 700 PM Tuesday the stage was 14.3 feet. * Flood stage is 12.0 feet. * Major flooding is occurring and Major flooding is forecast. * Forecast...The river will continue to fall to below flood stage by Wednesday afternoon. * Impact...At 13.5 feet...Park Manor Drive, Berens Street, Monaldi Parkway begin to pond if not protected. && LAT...LON 4157 8753 4153 8744 4145 8750 4148 8759 $$ INC089-211539- /O.EXT.KLOT.FL.W.0004.000000T0000Z-180223T0448Z/ /LCMI3.2.ER.180220T0642Z.180221T0600Z.180222T2248Z.NR/ 740 PM CST Tue Feb 20 2018 The Flood Warning continues for The Little Calumet River at Munster. * until Thursday evening. * At 700 PM Tuesday the stage was 15.4 feet. * Flood stage is 12.0 feet. * Moderate flooding is occurring and Moderate flooding is forecast. * Forecast...The river will continue rising to near 16.0 feet by early Wednesday. The river will fall below flood stage Thursday afternoon. * Impact...At 15.0 feet...Flooding begins to affect some residences near the river. && LAT...LON 4153 8747 4158 8760 4165 8755 4159 8742 $$ ILC031-211539- /O.EXT.KLOT.FL.W.0015.000000T0000Z-180223T0524Z/ /THNI2.2.ER.180220T1024Z.180221T1200Z.180222T2324Z.NR/ 740 PM CST Tue Feb 20 2018 The Flood Warning continues for The Thorn Creek at Thornton. * until Thursday evening. * At 630 PM Tuesday the stage was 14.7 feet. * Flood stage is 10.0 feet. * Minor flooding is occurring and Moderate flooding is forecast. * Forecast...The river will continue rising to near 15.3 feet by Wednesday morning. The river will fall below flood stage Thursday afternoon. * Impact...At 14.5 feet...Flooding begins of low lying areas adjacent to creek. && LAT...LON 4161 8760 4158 8754 4151 8760 4154 8767 $$
244 WGUS83 KLOT 211531 FLSLOT Flood Statement National Weather Service Chicago/Romeoville IL 931 AM CST Wed Feb 21 2018 ...The Flood Warning is cancelled for the following rivers in Indiana... Hart Ditch at Dyer affecting Lake County .Synopsis... PRECAUTIONARY/PREPAREDNESS ACTIONS... Safety message...If you encounter a flooded roadway...turn around and find an alternate route. && INC089-211601- /O.CAN.KLOT.FL.W.0021.000000T0000Z-180222T0022Z/ /HDDI3.3.ER.180220T1422Z.180220T2245Z.180221T1822Z.NO/ 931 AM CST Wed Feb 21 2018 The Flood Warning is cancelled for The Hart Ditch at Dyer. * At 800 AM Wednesday the stage was 11.9 feet. * Flood stage is 12.0 feet. * Fell below flood stage at 6:45 AM Wednesday. * Forecast...The river will continue to fall to 8.8 feet by Thursday morning. && LAT...LON 4157 8753 4153 8744 4145 8750 4148 8759 $$
The office that day
Everything else NWS Chicago, IL issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Feb 19, 9:52 PM CST | River Flood Warning | LOT | Jasper | 11 days |
| Feb 19, 10:44 PM CST | Areal Flood Warning | LOT | Jasper, Lake, Newton, Porter | 12 hr |
| Feb 20, 10:45 AM CST | Areal Flood Warning | LOT | Benton, Jasper, Lake, Newton, Porter | 24 hr |
| Feb 20, 2:26 PM CST | Special Weather Statement | LOT | Lake, Newton, Porter | 64 min |
| Feb 20, 3:31 PM CST | Winter Weather Advisory | LOT | Jasper, Lake, Newton, Porter | 15 hr |
Nearby
River Flood Warnings in Indiana, 2018Every river flood warning in 2018
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive; the gauge from the NWS water service and the USGS.