Alert archive / Missouri / Flash Flood Warnings in 2015
Flash Flood Warning 69, NWS St. Louis, MO
NWS St. Louis, MO issued this flash flood warning at Jul 26, 2015, 3:24 AM CDT for 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
- Jul 26, 2015, 3:24 AM CDT (08:24 UTC)
- Expired
- Jul 26, 2015, 9:30 AM CDT
- In force
- 6 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), 169 km from the middle of the area, began a volume at 08:26 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, 8.4 hours before the alert went out and 248 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
- 392 J/kg
- Mixed-layer CIN
- -73 J/kg
- Mixed-layer LCL
- 1604 m above ground
- 0-6 km bulk shear
- 26 kt
- 0-1 km storm-relative helicity
- 37 m²/s²
- 0-3 km storm-relative helicity
- 36 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 1.8
The text
As transmitted, in the capitals the NWS used until 2016.
017
WGUS53 KLSX 260824
FFWLSX
MOC205-261430-
/O.NEW.KLSX.FF.W.0069.150726T0824Z-150726T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
324 AM CDT SUN JUL 26 2015
THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SHELBY COUNTY IN NORTHEASTERN MISSOURI...
* UNTIL 930 AM CDT SUNDAY
* AT 322 AM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
HEAVY RAIN ACROSS THE WARNED AREA. TWO TO THREE INCHES OF RAIN HAS
ALREADY FALLEN...AND ADDITIONAL THUNDERSTORMS ARE EXPECTED EARLY
TODAY.
* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SHELBINA...CLARENCE...SHELBYVILLE...MAUD...EMDEN...HUNNEWELL...
BETHEL AND LEONARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
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.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3995 9184 3966 9185 3966 9218 3960 9219
3961 9230 3962 9230 3995 9229
$$
TRUETT2 follow-up statements
858
WGUS73 KLSX 261157
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
657 AM CDT SUN JUL 26 2015
MOC205-261430-
/O.CON.KLSX.FF.W.0069.000000T0000Z-150726T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SHELBY MO-
657 AM CDT SUN JUL 26 2015
...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 930 AM CDT SUNDAY
FOR SHELBY COUNTY...
AT 652 AM CDT...DOPPLER RADAR INDICATED SPOTTY...AND FAIRLY LIGHT...
THUNDERSTORMS OVER EASTERN SECTIONS OF SHELBY COUNTY.
HOWEVER...THERE IS A LARGE AREA OF THUNDERSTORMS OVER SOUTHERN IOWA
MOVING SOUTHEAST...AND WILL BE RETURNING HEAVY RAIN TO THE AREA
BETWEEN 7 AND 8AM. AS THIS HEAVY RAIN MOVES IN...THE FLASH FLOOD
THREAT WILL ONCE AGAIN INCREASE.
RADAR INDICATES RAINS IN EXCESS OF 3 INCHES FELL DURING THE PREDAWN
HOURS...PRIMARILY OVER EASTERN SECTIONS OF SHELBY COUNTY.
SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
SHELBINA...CLARENCE...SHELBYVILLE...MAUD...EMDEN...HUNNEWELL...BETHEL
AND LEONARD.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.
BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.
TURN AROUND...DONT DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY WHEN YOU
CAN DO SO SAFELY.
&&
LAT...LON 3995 9184 3966 9185 3966 9218 3960 9219
3961 9230 3962 9230 3995 9229
$$
TRUETT636
WGUS73 KLSX 261433
FFSLSX
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
933 AM CDT SUN JUL 26 2015
MOC205-261440-
/O.EXP.KLSX.FF.W.0069.000000T0000Z-150726T1430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
SHELBY MO-
933 AM CDT SUN JUL 26 2015
...THE FLASH FLOOD WARNING FOR SHELBY COUNTY HAS EXPIRED...
AT 930 AM...ANOTHER ROUND OF STORMS WAS MOVING THROUGH SHELBY
COUNTY. HOWEVER...THE HEAVIER RAINS WITH THESE STORMS ARE FALLING TO
THE SOUTHWEST OF WHERE THE FIRST ROUND OF HEAVY RAINS FELL EARLIER
THIS MORNING. SO ADDITIONAL FLASH FLOODING IS NOT EXPECTED AT THIS
TIME...THEREFORE THE FLASH FLOOD WARNING FOR SHELBY COUNTY HAS BEEN
ALLOWED TO EXPIRE.
LAT...LON 3995 9184 3966 9185 3966 9218 3960 9219
3961 9230 3962 9230 3995 9229
$$
BYRDThe office that day
Everything else NWS St. Louis, MO issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 26, 2:10 AM CDT | Special Weather Statement | LSX | Boone, Moniteau | 50 min |
| Jul 26, 2:54 AM CDT | Special Weather Statement | LSX | Callaway, Cole, Moniteau, Osage | 51 min |
| Jul 26, 4:23 AM CDT | Special Weather Statement | LSX | Franklin, Lincoln, Saint Charles, Saint Louis, Warren | 52 min |
| Jul 26, 10:15 AM CDT | Special Weather Statement | LSX | Ralls | 45 min |
| Jul 26, 12:14 PM CDT | River Flood Warning | LSX | Marion | 28 hr |
| Jul 26, 1:12 PM CDT | River Flood Warning | LSX | Marion | 35 hr |
| Jul 26, 2:41 PM CDT | Severe Thunderstorm Warning | LSX | Crawford | 34 min |
| Jul 26, 3:55 PM CDT | Heat Advisory | LSX | Audrain, Crawford, Franklin, Gasconade, Iron, Jefferson and 18 more | 53 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.