Alert archive / Missouri / Flash Flood Warnings in 2015

Flash Flood Warning 33, NWS St. Louis, MO

June 25, 20157 counties in Missouri; Calhoun County, Illinois

NWS St. Louis, MO issued this flash flood warning at Jun 25, 2015, 7:31 PM CDT for 7 counties in Missouri; Calhoun County, Illinois. It was in force for 12 hr. 9 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: Jun 25, 2015, 7:31 PM CDT (00:31 UTC)
Expired: Jun 26, 2015, 7:30 AM CDT
In force: 12 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Calhoun County, IL, Audrain County, MO, Boone County, MO, Callaway County, MO, Lincoln County, MO, Montgomery County, MO, Pike County, MO, Warren County, MO

The radar

The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 00:31 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
Jun 25, 8:00 PM CDT	HEAVY RAIN 3.75	Troy, MO	OVER 2.5 HOURS TIME AT CUIVRE RIVER GAUGE NEAR TROY.
Jun 25, 8:35 PM CDT	FLASH FLOOD	4 Nnw Hawk Point, MO	WATER RESCUE NEAR INTERSECTION OF ROUTES O AND D.
Jun 25, 8:35 PM CDT	FLASH FLOOD	Davis, MO	WATER RESCUE NEAR INTERSECTION OF ROUTES H AND BB.
Jun 25, 8:35 PM CDT	FLASH FLOOD	Troy, MO	MULTIPLE WATER RESCUES WITHIN THE CITY LIMITS.
Jun 25, 8:40 PM CDT	FLASH FLOOD	5 Se Olney, MO	WATER RESCUE NEAR ROUTE O AND ROUTE D INTERSECTION
Jun 25, 9:00 PM CDT	FLASH FLOOD	Troy, MO	STATE ROUTE 79 WAS CLOSED DUE TO FLOODING AS WELL AS A NUMBER OF OTHER COUNTY ROADS. AT LEAST 19 WATER RESCUES FROM HOMES AND VEHICLES HAVE TAKEN PLACE. HARDEST HIT ARE WINFIELD... TROY... DAVIS... HAWK POINT AND OLD MONROE. TWENTY-FIVE PEOPLE IN OLD MONROE WE
Jun 25, 9:00 PM CDT	HEAVY RAIN 5.15	Troy, MO	RAINFALL LAST 3.5 HOURS FROM CUIVRE RIVER NEAR TROY GAUGE. STILL RAINING.
Jun 25, 9:06 PM CDT	HEAVY RAIN 5.8	6 N Hawk Point, MO	STILL RAINING.
Jun 26, 7:00 AM CDT	HEAVY RAIN 4.92	Troy, MO	24 HOUR REPORT... TAKEN AT 700AM. MOST FELL BETWEEN 6PM YESTERDAY TIL 7AM THIS MORNING

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Lincoln, IL (KILX), launched 00:00Z, 0.5 hours before the alert went out and 262 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.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 239 J/kg
Mixed-layer CIN: -194 J/kg
Mixed-layer LCL: 1150 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: -8 m²/s²
0-3 km storm-relative helicity: 125 m²/s²
Significant tornado parameter: -0.0
Supercell composite: -0.2

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

728 
WGUS53 KLSX 260031
FFWLSX
ILC013-MOC007-019-027-113-139-163-219-261230-
/O.NEW.KLSX.FF.W.0033.150626T0031Z-150626T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
731 PM CDT THU JUN 25 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
  LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  NORTH CENTRAL WARREN COUNTY IN EAST CENTRAL MISSOURI...
  NORTHERN BOONE COUNTY IN CENTRAL MISSOURI...
  NORTHERN CALLAWAY COUNTY IN CENTRAL MISSOURI...
  SOUTHERN AUDRAIN COUNTY IN CENTRAL MISSOURI...
  SOUTHERN PIKE COUNTY IN NORTHEAST MISSOURI...

* UNTIL 730 AM CDT FRIDAY

* AT 729 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RARAR ESTIMATES THAT 1 TO 3 INCHES OF RAIN HAS FALLEN
  ACROSS PORTIONS OF THE WARNED AREA. MORE THUNDERSTORMS ARE EXPECTED
  TO AFFECT THE WARNED AREA TONIGHT WITH SEVERAL ADDITIONAL INCHES OF
  RAINFALL EXPECTED. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CENTRALIA...ELSBERRY...MEXICO...MONTGOMERY CITY...TROY...
  WELLSVILLE...AUXVASSE...BELLFLOWER...BUELL...DAVIS...HALLSVILLE...
  HARDIN...HAWK POINT...LADDONIA...MARTINSBURG...MIDWAY...MOSCOW
  MILLS...MURRY...NEW HARTFORD...ROCHEPORT...SHAMROCK AND STURGEON.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
IF YOU ARE IN THE WARNING AREA MOVE TO HIGHER GROUND IMMEDIATELY.
RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE IMMEDIATE
PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO CROSS
SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

TO REPORT FLOODING...HAVE THE NEAREST LAW ENFORCEMENT AGENCY RELAY
YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST OFFICE IN ST
LOUIS.

&&

LAT...LON 3925 9243 3922 9060 3914 9062 3909 9060
      3914 9076 3888 9081 3897 9257

$$

MILLER

2 follow-up statements

008 
WGUS73 KLSX 260150
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
850 PM CDT THU JUN 25 2015

ILC013-MOC007-019-027-113-139-163-219-261230-
/O.CON.KLSX.FF.W.0033.000000T0000Z-150626T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALHOUN IL-BOONE MO-CALLAWAY MO-LINCOLN MO-MONTGOMERY MO-PIKE MO-
WARREN MO-AUDRAIN MO-
850 PM CDT THU JUN 25 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CALHOUN COUNTY IN
SOUTHWEST ILLINOIS...AND SOUTHERN AUDRAIN...NORTHERN CALLAWAY AND
NORTHERN BOONE COUNTIES IN CENTRAL MISSOURI...AND NORTH CENTRAL
WARREN...MONTGOMERY AND LINCOLN COUNTIES IN EAST CENTRAL MISSOURI...
AND SOUTHERN PIKE COUNTY IN NORTHEAST MISSOURI UNTIL 730 AM CDT
FRIDAY...

AT 848 PM CDT...LOCAL LAW ENFORCEMENT OFFICIALS REPORTED THAT 8 TO 9 
WATER RESCUES WERE ONGOING ACROSS THE COUNTY DUE TO FLOODED ROADS. 
THUNDERSTORMS WITH VERY HEAVY RAINFALL WILL PERSIST ACROSS THE 
WARNED AREA...ESPECIALLY OVER MONTGOMERY...WARREN...PIKE AND LINCOLN 
COUNTIES IN MISSOURI THROUGH 11 PM. UP TO 5 INCHES WITH LOCALLY 
HIGHER AMOUNTS HAS FALLEN OVER THE WARNED AREA SINCE 5 PM.

RUNOFF FROM THIS EXCESSIVE RAINFALL IS CAUSING FLASH FLOODING. SOME 
LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE... 
CENTRALIA...ELSBERRY...MEXICO...MONTGOMERY CITY...TROY... 
WELLSVILLE...AUXVASSE...BELLFLOWER...BUELL...DAVIS...HALLSVILLE... 
HARDIN...HAWK POINT...LADDONIA...MARTINSBURG...MIDWAY...MOSCOW 
MILLS...MURRY...NEW HARTFORD...ROCHEPORT...SHAMROCK AND STURGEON.

THIS WARNING INCLUDES CUIVRE RIVER STATE PARK AND FINGER LAKES STATE 
PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLOODING OF SMALL CREEKS
AND STREAMS...COUNTRY ROADS...NORMALLY DRY WASHES... AS WELL AS
FARMLAND ALONG THE BANKS OF CREEKS AND STREAMS.

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

DO NOT DRIVE YOUR VEHICLE INTO AREAS WHERE THE WATER COVERS THE
ROADWAY. THE WATER DEPTH MAY BE TOO GREAT TO ALLOW YOUR CAR TO CROSS
SAFELY.

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.

&&

LAT...LON 3925 9243 3922 9060 3914 9062 3909 9060
      3914 9076 3888 9081 3897 9257

$$

BYRD

846 
WGUS73 KLSX 260451
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1151 PM CDT THU JUN 25 2015

ILC013-MOC007-019-027-113-139-163-219-261230-
/O.CON.KLSX.FF.W.0033.000000T0000Z-150626T1230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CALHOUN IL-BOONE MO-CALLAWAY MO-LINCOLN MO-MONTGOMERY MO-PIKE MO-
WARREN MO-AUDRAIN MO-
1151 PM CDT THU JUN 25 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CALHOUN COUNTY IN
SOUTHWEST ILLINOIS...AND SOUTHERN AUDRAIN...NORTHERN CALLAWAY AND
NORTHERN BOONE COUNTIES IN CENTRAL MISSOURI...AND NORTH CENTRAL
WARREN...MONTGOMERY AND LINCOLN COUNTIES IN EAST CENTRAL MISSOURI...
AND SOUTHERN PIKE COUNTY IN NORTHEAST MISSOURI UNTIL 730 AM CDT
FRIDAY...

AT 1143 PM CDT...REGIONAL RADARS INDICTED THAT THE RAIN ALONG AND 
NORTH OF THE INTERSTATE 70 CORRIDOR IN MISSOURI HAD TEMPORARILY 
ENDED. HOWEVER...ALL OF THE LATEST WEATHER GUIDANCE MAKES IT APPEAR 
ALL BUT CERTAIN THAT ADDITIONAL THUNDERSTORMS WITH TORRENTIAL 
DOWNPOURS WILL BE REDEVELOPING ACROSS THE REGION DURING THE PREDAWN 
HOURS.  

OF PARTICULAR CONCERN IS LINCOLN COUNTY...WHICH EXPERIENCED 
WIDESPREAD FLOODING PROBLEMS THURSDAY EVENING WHEN 4 TO 6 INCHES OF 
RAIN FELL IN A VERY SHORT PERIOD OF TIME.   

DUE TO THE RECENT WET WEATHER...THE FLOODING THREAT WILL ALSO BE 
ESPECIALLY HIGH IN ANY AREA THAT TYPICALLY EXPERIENCES FLOODING...
SUCH AS POORLY DRAINED OR LOW LYING AREAS.

SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CENTRALIA...ELSBERRY...MEXICO...MONTGOMERY CITY...TROY...
WELLSVILLE...AUXVASSE...BELLFLOWER...BUELL...DAVIS...HALLSVILLE...
HARDIN...HAWK POINT...LADDONIA...MARTINSBURG...MIDWAY...MOSCOW
MILLS...MURRY...NEW HARTFORD...ROCHEPORT...SHAMROCK AND STURGEON.

THIS WARNING INCLUDES CUIVRE RIVER STATE PARK AND FINGER LAKES STATE
PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

A FLASH FLOOD WARNING MEANS THAT FLASH FLOODING IS IMMINENT OR
OCCURRING. IF YOU ARE IN THE WARNING AREA...MOVE TO HIGHER GROUND
IMMEDIATELY. RESIDENTS LIVING ALONG STREAMS AND CREEKS SHOULD TAKE
IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND PROPERTY. DO NOT ATTEMPT TO
CROSS SWIFTLY FLOWING WATERS OR WATERS OF UNKNOWN DEPTH BY FOOT OR BY
AUTOMOBILE.  

MOTORISTS ARE REMINDED THAT MOST FLASH FLOOD DEATHS OCCUR IN 
AUTOMOBILES...AND AT NIGHT.  IF YOU ENCOUNTER A FLOODED 
ROADWAY...TURN AROUND AND FIND ANOTHER ROUTE TO YOUR DESTINATION.  
AND...BE CERTAIN TO OBEY ALL ROAD CLOSED SIGNS.    

REPORT FLOODING TO THE NEAREST LAW ENFORCEMENT AGENCY SO THAT THEY
MAY TAKE APPROPRIATE ACTION TO CLOSE FLOODED ROADWAYS. THEY WILL
RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE IN ST LOUIS.

&&

LAT...LON 3925 9243 3922 9060 3914 9062 3909 9060
      3914 9076 3888 9081 3897 9257

$$

TRUETT

The office that day

Everything else NWS St. Louis, MO issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 25, 7:05 PM CDT	Severe Thunderstorm Warning	LSX	City of Saint Louis	55 min
Jun 25, 7:09 PM CDT	Severe Thunderstorm Warning	LSX	Monroe, Shelby	51 min
Jun 25, 7:34 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles	29 min
Jun 25, 7:38 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Monroe, Ralls	52 min
Jun 25, 7:45 PM CDT	Tornado Warning	LSX	Audrain, Monroe, Ralls	30 min
Jun 25, 8:02 PM CDT	Severe Thunderstorm Warning	LSX	Audrain, Pike	28 min
Jun 25, 8:20 PM CDT	Areal Flood Warning	LSX	Knox, Shelby	12 hr
Jun 25, 8:20 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Montgomery, Pike, Warren	40 min
Jun 25, 8:36 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln, Saint Charles, Warren	39 min
Jun 25, 8:45 PM CDT	River Flood Warning	LSX	Boone, Callaway, Cole, Moniteau	8 days
Jun 25, 9:03 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren	42 min
Jun 26, 12:56 AM CDT	Flash Flood Warning	LSX	Moniteau	8 hr
Jun 26, 2:05 AM CDT	Flash Flood Warning	LSX	Cole	8 hr
Jun 26, 3:30 AM CDT	River Flood Warning	LSX	Cole	66 hr
Jun 26, 3:40 AM CDT	Flash Flood Warning	LSX	Osage	7 hr
Jun 26, 5:55 AM CDT	River Flood Warning	LSX	Osage	50 hr
Jun 26, 6:48 AM CDT	Areal Flood Advisory	LSX	Saint Louis, City of Saint Louis	6 hr
Jun 26, 7:30 AM CDT	Areal Flood Warning	LSX	Audrain, Boone, Lincoln, Montgomery, Pike, Saint Charles and 1 more	12 hr
Jun 26, 7:43 AM CDT	Areal Flood Warning	LSX	Knox, Shelby	12 hr
Jun 26, 8:34 AM CDT	Flash Flood Warning	LSX	Knox	6 hr
Jun 26, 8:53 AM CDT	Areal Flood Warning	LSX	Moniteau	11 hr
Jun 26, 9:58 AM CDT	Areal Flood Warning	LSX	Cole	10 hr
Jun 26, 10:05 AM CDT	Flash Flood Warning	LSX	Lewis, Marion	6 hr
Jun 26, 3:55 PM CDT	Areal Flood Warning	LSX	Lewis, Marion	6 hr
Jun 26, 5:28 PM CDT	Areal Flood Warning	LSX	Knox, Lewis, Marion, Shelby	24 hr
Jun 25, 7:27 PM CDT	Severe Thunderstorm Warning	LSX	Macoupin, Montgomery	48 min
Jun 25, 7:41 PM CDT	Severe Thunderstorm Warning	LSX	Saint Clair	19 min
Jun 25, 9:57 PM CDT	Flash Flood Warning	LSX	Pike	10 hr
Jun 25, 10:03 PM CDT	Flash Flood Warning	LSX	Marion	10 hr
Jun 26, 7:54 AM CDT	Areal Flood Warning	LSX	Marion	36 hr
Jun 26, 11:34 AM CDT	Flash Flood Warning	LSX	Adams, Brown	6 hr

Nearby

Flash Flood Warnings in Missouri, 2015 Flash Flood Warnings in Illinois, 2015 Every 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.