Alert archive / Missouri / Flash Flood Warnings in 2019

Flash Flood Warning 1, NWS St. Louis, MO

May 3, 2019Lincoln County, Missouri

NWS St. Louis, MO issued this flash flood warning at May 3, 2019, 2:02 PM CDT for Lincoln County, Missouri. It was in force for 6 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
May 3, 2019, 2:02 PM CDT (19:02 UTC)
Expired
May 3, 2019, 7:42 PM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

County Lincoln County, MO

The radar

The St Louis radar (KLSX), 36 km from the middle of the area, began a volume at 19:04 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 12:00Z, 7.0 hours before the alert went out and 220 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.

Skew-T log-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2019-05-03Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2019-05-03The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -33 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
638 m above ground
0-6 km bulk shear
40 kt
0-1 km storm-relative helicity
-33 m²/s²
0-3 km storm-relative helicity
80 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

529 
WGUS53 KLSX 031902
FFWLSX
MOC113-040100-
/O.NEW.KLSX.FF.W.0001.190503T1902Z-190504T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service St Louis MO
202 PM CDT Fri May 3 2019

The National Weather Service in St Louis has issued a

* Flash Flood Warning for...
  East central Lincoln County in east central Missouri...

* Until 800 PM CDT.

* At 200 PM CDT, emergency management reported a levee overtopping 
  along the Mississippi River. This levee overtopping has caused 
  flash flooding in the towns of Foley and Winfield. 

* Some locations that will experience flooding include...
  Winfield and Foley. 

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to higher ground now. Act quickly to protect your life.

&&

LAT...LON 3909 9068 3905 9071 3900 9068 3896 9068
      3895 9067 3893 9067 3894 9076 3907 9079
      3910 9068

$$

KD
1 follow-up statement
544 
WGUS73 KLSX 040042
FFSLSX

Flash Flood Statement
National Weather Service St Louis MO
742 PM CDT Fri May 3 2019

MOC113-040051-
/O.CAN.KLSX.FF.W.0001.000000T0000Z-190504T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Lincoln MO-
742 PM CDT Fri May 3 2019

...THE FLASH FLOOD WARNING FOR EAST CENTRAL LINCOLN COUNTY IS
CANCELLED...

The flash flood warning has been replaced by an areal flood warning 
that is effective through 730 PM Saturday. Flooding continues in the 
towns of Winfield and Foley. 

LAT...LON 3909 9068 3905 9071 3900 9068 3896 9068
      3895 9067 3893 9067 3894 9076 3907 9079
      3910 9068

$$

Maples

Nearby

Flash Flood Warnings in Missouri, 2019Every flash flood warning in 2019

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.