Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 73, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 27, 2015, 5:13 PM CDT for Shelby County, Missouri. It was in force for 4 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
- Jul 27, 2015, 5:13 PM CDT (22:13 UTC)
- Expired
- Jul 27, 2015, 9:15 PM CDT
- In force
- 4 hr
- Issued by
- NWS St. Louis, MO
- Area
- Storm-based polygon
- Flood severity
- None
County Shelby County, MO
The radar
The St Louis radar (KLSX), 171 km from the middle of the area, began a volume at 22:16 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 12:00Z, 10.2 hours before the alert went out and 237 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
- 10 J/kg
- Mixed-layer CIN
- -96 J/kg
- Mixed-layer LCL
- 839 m above ground
- 0-6 km bulk shear
- 17 kt
- 0-1 km storm-relative helicity
- -1 m²/s²
- 0-3 km storm-relative helicity
- 11 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted, in the capitals the NWS used until 2016.
450
WGUS53 KLSX 272213
FFWLSX
MOC205-280215-
/O.NEW.KLSX.FF.W.0073.150727T2213Z-150728T0215Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
513 PM CDT MON JUL 27 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SHELBY COUNTY IN NORTHEASTERN MISSOURI...
* UNTIL 915 PM CDT
* AT 512 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE
ALREADY FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN SHORTLY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SHELBINA...CLARENCE...SHELBYVILLE...EMDEN...HUNNEWELL...BETHEL AND
LEONARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3994 9184 3966 9185 3967 9229 3995 9229
$$
BYRD1 follow-up statement
166 WGUS73 KLSX 280219 FFSLSX FLASH FLOOD STATEMENT NATIONAL WEATHER SERVICE ST LOUIS MO 919 PM CDT MON JUL 27 2015 MOC205-280229- /O.EXP.KLSX.FF.W.0073.000000T0000Z-150728T0215Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ SHELBY MO- 919 PM CDT MON JUL 27 2015 ...THE FLASH FLOOD WARNING FOR SHELBY COUNTY HAS EXPIRED... FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A THREAT TO LIFE OR PROPERTY. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES. LAT...LON 3994 9184 3966 9185 3967 9229 3995 9229 $$
The office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 27, 3:40 PM CDT | Excessive Heat Warning | LSX | Boone, Callaway, Cole, Crawford, Franklin, Gasconade and 15 more | 48 hr |
| Jul 27, 5:53 PM CDT | Severe Thunderstorm Warning | LSX | Saint Charles, Saint Louis | 20 min |
| Jul 27, 6:04 PM CDT | River Flood Warning | LSX | Lewis | 3 days |
| Jul 27, 6:11 PM CDT | Flash Flood Warning | LSX | Marion, Monroe, Ralls | 6 hr |
| Jul 27, 6:32 PM CDT | Flash Flood Warning | LSX | Lincoln, Pike | 6 hr |
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.