Flash Flood Warning 6, NWS St. Louis, MO

Issued

Apr 29, 2017, 3:08 PM CDT (20:08 UTC)

Expired

Apr 29, 2017, 11:00 PM CDT

In force

8 hr

Issued by

NWS St. Louis, MO

Area

Storm-based polygon

Flood severity

None

Counties Adams County, IL, Calhoun County, IL, Pike County, IL, Audrain County, MO, Gasconade County, MO, Lincoln County, MO, Marion County, MO, Montgomery County, MO, Pike County, MO, Ralls County, MO, Warren County, MO

The St Louis radar (KLSX), 95 km from the middle of the area, began a volume at 20:11 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.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

805 
WGUS53 KLSX 292008
FFWLSX
ILC001-013-149-MOC007-073-113-127-139-163-173-219-300400-
/O.NEW.KLSX.FF.W.0006.170429T2008Z-170430T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
308 PM CDT SAT APR 29 2017

The National Weather Service in St Louis has issued a

* Flash Flood Warning for...
  Calhoun County in southwestern Illinois...
  Pike County in west central Illinois...
  Southern Adams County in west central Illinois...
  Ralls County in northeastern Missouri...
  Lincoln County in east central Missouri...
  Eastern Audrain County in central Missouri...
  Montgomery County in east central Missouri...
  Marion County in northeastern Missouri...
  Warren County in east central Missouri...
  Pike County in northeastern Missouri...
  Northern Gasconade County in east central Missouri...

* Until 1100 PM CDT Saturday.

* At 305 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Radar estimates that 2 to 4 
  inches of rain has already fallen across the area since late last 
  night. There have been several reports of creeks and streams at 
  bankful and a few roads have water over them. An additional 1 to 2 
  inches of rain is possible through this evening.

* Some locations that will experience flooding include...
  Hannibal, Troy, Warrenton, Bowling Green, Pittsfield, Vandalia,
  Palmyra, Louisiana, Wright City, Montgomery City, Monroe City,
  Hermann, Elsberry, Wellsville, Warren, Moscow Mills, Winfield,
  Barry, Griggsville and Davis.

This includes the following highways...
 Interstate 72 between exits 4 and 35.
 Interstate 70 in Missouri between exits 170 and 200.

This also includes  Deutschheim Historic Site, Cuivre River State
Park, and Graham Cave State Park.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3995 9144 3976 9136 3983 9057 3971 9065
      3957 9058 3894 9067 3889 9096 3855 9097
      3871 9133 3846 9164 3933 9163 3934 9186
      3934 9172 3938 9171 3966 9171 3966 9185
      3995 9184

$$

TES

501 
WGUS73 KLSX 300126
FFSLSX

Flash Flood Statement
National Weather Service St Louis MO
826 PM CDT SAT APR 29 2017

ILC001-013-149-MOC007-073-113-127-139-163-173-219-300400-
/O.CON.KLSX.FF.W.0006.000000T0000Z-170430T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Calhoun IL-Pike IL-Adams IL-Ralls MO-Lincoln MO-Audrain MO-
Montgomery MO-Marion MO-Warren MO-Pike MO-Gasconade MO-
826 PM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FOR
CALHOUN COUNTY IN SOUTHWESTERN ILLINOIS...PIKE AND SOUTHERN ADAMS
COUNTIES IN WEST CENTRAL ILLINOIS...RALLS COUNTY IN NORTHEASTERN
MISSOURI...LINCOLN COUNTY IN EAST CENTRAL MISSOURI...EASTERN AUDRAIN
COUNTY IN CENTRAL MISSOURI...MONTGOMERY COUNTY IN EAST CENTRAL
MISSOURI...MARION COUNTY IN NORTHEASTERN MISSOURI...WARREN COUNTY IN
EAST CENTRAL MISSOURI...PIKE COUNTY IN NORTHEASTERN MISSOURI AND
NORTHERN GASCONADE COUNTIES IN EAST CENTRAL MISSOURI...

At 823 PM CDT, the Missouri Department of Transportation reported 
several roads closed. These include Route B south of Perry near Lick 
Creek, Missouri Route 154 northwest of Vandalia and Route F east of 
Madisonville due to Spencer Creek in Ralls County and Route 161 
northeast of Montgomery City as well as Routes K and J within 
Montgomery County Missouri.

Some locations that will experience flooding include...
Hannibal, Troy, Warrenton, Bowling Green, Pittsfield, Vandalia,
Palmyra, Louisiana, Wright City, Montgomery City, Monroe City,
Hermann, Elsberry, Wellsville, Warren, Moscow Mills, Winfield, Barry,
Griggsville and Davis.

Additional rainfall amounts of 1-2 inches are possible in the warned 
area which could aggrevate ongoing flooding.

This includes the following highways...
 Interstate 72 between exits 4 and 35.
 Interstate 70 in Missouri between exits 170 and 200.

This also includes  Deutschheim Historic Site, Cuivre River State
Park, and Graham Cave State Park.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

&&

LAT...LON 3995 9144 3976 9136 3983 9057 3971 9065
      3957 9058 3894 9067 3889 9096 3855 9097
      3871 9133 3846 9164 3933 9163 3934 9186
      3934 9172 3938 9171 3966 9171 3966 9185
      3995 9184

$$

Gosselin

Flash Flood Warnings in Missouri, 2017Flash Flood Warnings in Illinois, 2017Every flash flood warning in 2017

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.