Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 77, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Aug 4, 2015, 3:32 AM CDT for Monroe County, Shelby 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
- Aug 4, 2015, 3:32 AM CDT (08:32 UTC)
- Expired
- Aug 4, 2015, 9:30 AM CDT
- In force
- 6 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), 151 km from the middle of the area, began a volume at 08:35 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
Davenport, (KDVN), launched 00:00Z, 8.5 hours before the alert went out and 267 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
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2071 m above ground
- 0-6 km bulk shear
- 36 kt
- 0-1 km storm-relative helicity
- 32 m²/s²
- 0-3 km storm-relative helicity
- 92 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
637
WGUS53 KLSX 040832
FFWLSX
MOC137-205-041430-
/O.NEW.KLSX.FF.W.0077.150804T0832Z-150804T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
332 AM CDT TUE AUG 4 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
MONROE COUNTY IN NORTHEASTERN MISSOURI...
SOUTHWESTERN SHELBY COUNTY IN NORTHEASTERN MISSOURI...
* UNTIL 930 AM CDT TUESDAY
* AT 326 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. DOPPLER RADAR ESTIMATES THAT 2
TO 4 INCHES OF RAIN HAS FALLEN OVER SOUTHWESTERN SHELBY COUNTY AND
WESTERN MONROE COUNTY SINCE MIDNIGHT. ADDITIONAL THUNDERSTORMS
WILL CONTINUE TO BRING HEAVY RAINFALL THROUGH 5 AM. FLASH FLOODING
IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PARIS...SANTA FE...CLARENCE...MADISON...MAUD...GRANVILLE...
WOODLAWN...HOLLIDAY...STOUTSVILLE...DUNCANS BRIDGE AND FLORIDA.
THIS WARNING ALSO INCLUDES UNION COVERED BRIDGE HISTORIC SITE AND
MARK TWAIN LAKE RECREATIONAL AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
&&
LAT...LON 3977 9229 3952 9171 3934 9172 3934 9204
3944 9231
$$
BRITT2 follow-up statements
598
WGUS73 KLSX 041157
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
657 AM CDT TUE AUG 4 2015
MOC137-205-041430-
/O.CON.KLSX.FF.W.0077.000000T0000Z-150804T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE MO-SHELBY MO-
657 AM CDT TUE AUG 4 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM CDT FOR
MONROE AND SOUTHWESTERN SHELBY COUNTIES...
AT 651 AM CDT...DOPPLER RADAR INDICATED SHOWERS AND SCATTERED
THUNDERSTORMS ACROSS THE WARNED AREA. RADAR ESTIMATES THAT 2 TO 5
INCHES OF RAIN HAS FALLEN SINCE MIDNIGHT OVER PARTS OF SOUTHWEST
SHELBY AND WESTERN MONROE COUNTY. FLASH FLOODING IS EXPECTED TO
BEGIN SHORTLY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
PARIS...SANTA FE...CLARENCE...MADISON...MAUD...GRANVILLE...
WOODLAWN...HOLLIDAY...STOUTSVILLE...DUNCANS BRIDGE AND FLORIDA.
THIS WARNING ALSO INCLUDES UNION COVERED BRIDGE HISTORIC SITE AND
MARK TWAIN LAKE RECREATIONAL AREA.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
DO NOT ENTER OR CROSS FLOWING WATER OR WATER OF UNKNOWN DEPTH.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3977 9229 3952 9171 3934 9172 3934 9204
3944 9231
$$
BRITT899
WGUS73 KLSX 041425
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
925 AM CDT TUE AUG 4 2015
MOC137-205-041434-
/O.EXP.KLSX.FF.W.0077.000000T0000Z-150804T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE MO-SHELBY MO-
925 AM CDT TUE AUG 4 2015
...THE FLASH FLOOD WARNING FOR MONROE AND SOUTHWESTERN SHELBY
COUNTIES WILL EXPIRE AT 930 AM CDT...
FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD
CLOSURES.
LAT...LON 3977 9229 3952 9171 3934 9172 3934 9204
3944 9231
$$
KANOFSKYThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 4, 2:44 PM CDT | Flash Flood Watch | LSX | Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 14 more | 25 hr |
| Aug 4, 5:32 PM CDT | Special Weather Statement | LSX | Franklin | 43 min |
Nearby
Flash Flood Warnings in Missouri, 2015Every flash flood warning in 2015
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.