Alert archive / Missouri / Flash Flood Warnings in 2016
Flash Flood Warning 38, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 13, 2016, 2:09 PM CDT for Iron County, Madison County, Missouri. It was in force for 6 hr. 3 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
- Aug 13, 2016, 2:09 PM CDT (19:09 UTC)
- Expired
- Aug 13, 2016, 8:00 PM CDT
- In force
- 6 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Iron County, MO, Madison County, MO
The radar
The St Louis radar (KLSX), 143 km from the middle of the area, began a volume at 19:10 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 |
|---|---|---|---|
| Aug 13, 3:15 PM CDT | FLASH FLOOD | 7 Ese Annapolis, MO | MODOT REPORTS ROUTE F EASTBOUND IS CLOSED DUE TO HIGH WATER EAST OF HIGHWAY 49. |
| Aug 13, 3:17 PM CDT | FLASH FLOOD | 5 E Annapolis, MO | MODOT REPORTS ROUTE C IS CLOSED EAST OF HIGHWAY 49 DUE TO HIGH WATER |
| Aug 13, 3:53 PM CDT | FLOOD | 4 E Fredericktown, MO | SOME OF THE SMALL CREEKS AND STREAMS ARE FLOODING WITH WATER OVER COUNTY ROAD 208 AND ROUTE W IN SPOTS |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Little Rock, AR (KBYH), launched 12:00Z, 7.2 hours before the alert went out and 292 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
- 902 J/kg
- Mixed-layer CIN
- -37 J/kg
- Mixed-layer LCL
- 683 m above ground
- 0-6 km bulk shear
- 4 kt
- 0-1 km storm-relative helicity
- -29 m²/s²
- 0-3 km storm-relative helicity
- -42 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
186
WGUS53 KLSX 131909
FFWLSX
MOC093-123-140100-
/O.NEW.KLSX.FF.W.0038.160813T1909Z-160814T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
209 PM CDT SAT AUG 13 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN IRON COUNTY IN SOUTHEASTERN MISSOURI...
MADISON COUNTY IN SOUTHEASTERN MISSOURI...
* UNTIL 800 PM CDT
* AT 205 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES THAT 2 TO 4
INCHES OF RAIN MAY HAVE FALLEN ALONG AN AXIS FROM NORTHEAST OF
ANNAPOLIS TO EAST OF FREDERICKTOWN. SOME MINOR FLOODING HAS
ALREADY OCCURRED AND MORE SIGNIFICANT FLASH FLOODING IS EXPECTED
TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
FREDERICKTOWN...IRONTON...ARCADIA...ANNAPOLIS...JUNCTION CITY...
COBALT...MARQUAND...ROSELLE...BUCKHORN...GLOVER...SACO...DES ARC...
MINE LA MOTTE...CATHERINE PLACE...HOGAN...CHLORIDE...
VULCAN AND SABULA.
ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES IS EXPECTED THROUGH THE
AFTERNOON AND ADDITIONAL HEAVY RAINFALL IS EXPECTED TONIGHT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
EXCESSIVE RUNOFF FROM HEAVY RAINFALL WILL CAUSE FLOODING OF SMALL
CREEKS AND STREAMS...COUNTRY ROADS...FARMLAND...AND OTHER LOW LYING
SPOTS.
&&
LAT...LON 3728 9075 3752 9077 3764 9054 3764 9015
3755 9014 3731 9015 3732 9055 3728 9055
$$
GLASS1 follow-up statement
782
WGUS73 KLSX 132343
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
643 PM CDT SAT AUG 13 2016
MOC093-123-132353-
/O.CAN.KLSX.FF.W.0038.000000T0000Z-160814T0100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IRON MO-MADISON MO-
643 PM CDT SAT AUG 13 2016
...THE FLASH FLOOD WARNING FOR SOUTHEASTERN IRON AND MADISON COUNTIES
IN SOUTHEASTERN MISSOURI IS CANCELLED...
THE HEAVY RAIN HAS ENDED. FLOODING IS NO LONGER EXPECTED TO POSE A
THREAT. PLEASE CONTINUE TO HEED ANY REMAINING ROAD CLOSURES.
LAT...LON 3728 9075 3752 9077 3764 9054 3764 9015
3755 9014 3731 9015 3732 9055 3728 9055
$$
KANOFSKYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 12, 7:37 PM CDT | Special Weather Statement | LSX | Saint Louis, City of Saint Louis | 38 min |
Nearby
Flash Flood Warnings in Missouri, 2016Every flash flood warning in 2016
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.