Alert archive / Missouri / Flash Flood Warnings in 2016
Flash Flood Warning 27, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 2, 2016, 8:58 AM CDT for Monroe County, Shelby County, Missouri. It was in force for 3 hr. 1 report 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 2, 2016, 8:58 AM CDT (13:58 UTC)
- Expired
- Aug 2, 2016, 12:00 PM CDT
- In force
- 3 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
Counties Monroe County, MO, Shelby County, MO
The radar
The St Louis radar (KLSX), 178 km from the middle of the area, began a volume at 13:58 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 2, 12:00 PM CDT | HEAVY RAIN 4.91 | 4 N Clarence, MO | FROM HAGERS GROVE RAIN GAUGE. |
Local storm reports filed while the alert was in force, from inside its polygon or its counties.
The nearest sounding before it
Davenport, (KDVN), launched 12:00Z, 2.0 hours before the alert went out and 239 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
- 172 J/kg
- Mixed-layer CIN
- -113 J/kg
- Mixed-layer LCL
- 922 m above ground
- 0-6 km bulk shear
- 31 kt
- 0-1 km storm-relative helicity
- 52 m²/s²
- 0-3 km storm-relative helicity
- 144 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.7
The text
As transmitted.
400
WGUS53 KLSX 021358
FFWLSX
MOC137-205-021700-
/O.NEW.KLSX.FF.W.0027.160802T1358Z-160802T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
858 AM CDT TUE AUG 2 2016
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
NORTHWESTERN MONROE COUNTY IN NORTHEASTERN MISSOURI...
SHELBY COUNTY IN NORTHEASTERN MISSOURI...
* UNTIL NOON CDT
* AT 855 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA.
NUMEROUS ROADS WERE CLOSED DUE TO FLASH FLOODING INCLUDING HIGHWAY
36 EAST OF CLARENCE...ROUTE K AT COUNTY ROAD 237...ROUTE A
SOUTHBOUND...AND ROUTE DD EASTBOUND. THREE TO SIX INCHES OF RAIN
HAVE FALLEN. FLASH FLOODING IS EXPECTED TO CONTINUE THROUGH THE
REST OF THE MORNING.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SHELBINA...CLARENCE...SHELBYVILLE...MAUD...BETHEL AND LEONARD.
ADDITIONAL RAINFALL AMOUNTS OF UP TO AN INCH ARE POSSIBLE IN THE
WARNED AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3995 9197 3963 9188 3960 9230 3993 9229
3995 9229 3996 9214
$$
GOSSELIN1 follow-up statement
515
WGUS73 KLSX 021653
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1153 AM CDT TUE AUG 2 2016
MOC137-205-021702-
/O.EXP.KLSX.FF.W.0027.000000T0000Z-160802T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE MO-SHELBY MO-
1153 AM CDT TUE AUG 2 2016
...THE FLASH FLOOD WARNING FOR NORTHWESTERN MONROE AND SHELBY
COUNTIES WILL EXPIRE AT NOON CDT...
THE HEAVY RAIN HAS ENDED WITH GENERALLY LIGHT TO MODERATE RAINFALL
LIKELY OVER THE NEXT COUPLE OF HOURS. AN AREAL FLOOD WARNING IS NOW
IN EFFECT UNTIL 530 PM TODAY DUE TO THE CONTINUATION OF ROAD
CLOSURES ACROSS THE AREA AS LARGER STREAMS AND RIVERS CONTINUE TO
RISE.
LAT...LON 3995 9197 3963 9188 3960 9230 3993 9229
3995 9229 3996 9214
$$
GOSSELINThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 2, 2:09 AM CDT | Flash Flood Warning | LSX | Audrain, Callaway, Monroe, Montgomery | 6 hr |
| Aug 2, 2:59 AM CDT | Flash Flood Warning | LSX | Franklin, Gasconade, Osage, Warren | 5 hr |
| Aug 2, 4:02 AM CDT | Flash Flood Warning | LSX | Shelby | 5 hr |
| Aug 2, 4:57 AM CDT | Flash Flood Warning | LSX | Audrain, Boone, Monroe | 5 hr |
| Aug 2, 5:34 AM CDT | Flash Flood Warning | LSX | Knox | 6 hr |
| Aug 2, 7:57 AM CDT | Flash Flood Warning | LSX | Franklin, Gasconade, Osage, Warren | 4 hr |
| Aug 2, 8:08 AM CDT | Flash Flood Warning | LSX | Audrain, Callaway, Monroe, Montgomery | 4 hr |
| Aug 2, 10:00 AM CDT | Flash Flood Warning | LSX | Audrain, Boone, Monroe | 2 hr |
| Aug 2, 11:31 AM CDT | Areal Flood Warning | LSX | Audrain, Boone, Callaway, Franklin, Gasconade, Knox and 5 more | 6 hr |
| Aug 2, 3:05 PM CDT | Flash Flood Watch | LSX | Franklin, Jefferson, Lewis, Lincoln, Marion, Pike and 6 more | 14 hr |
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.