Alert archive / Missouri / Flash Flood Warnings in 2015

Flash Flood Warning 26, NWS St. Louis, MO

June 21, 2015Calhoun County, Pike County, Illinois; 5 counties in Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 21, 2015, 10:08 AM CDT for Calhoun County, Pike County, Illinois; 5 counties in Missouri. It was in force for 6 hr. 2 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 21, 2015, 10:08 AM CDT (15:08 UTC)
Expired
Jun 21, 2015, 4:00 PM CDT
In force
6 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Calhoun County, IL, Pike County, IL, Audrain County, MO, Lincoln County, MO, Montgomery County, MO, Pike County, MO, Ralls County, MO

The radar

The St Louis radar (KLSX), 62 km from the middle of the area, began a volume at 15:09 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

TimeReportWhereRemark
Jun 21, 1:26 PM CDTFLASH FLOOD5 Ne Martinsburg, MOFLOODING HAS WASHED OUT CR 777 IN AUDRAIN COUNTY.
Jun 21, 3:30 PM CDTHEAVY RAIN 6.65 W Olney, MO6.6 INCHES MEASURED SINCE 3 AM SUNDAY. FLOODING OF ELKHORN CREEK NEARBY.

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 12:00Z, 3.1 hours before the alert went out and 223 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-pSkew-T log-p diagram, Lincoln, IL at 12:00Z on 2015-06-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Lincoln, IL at 12:00Z on 2015-06-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 94 square meters per square second.19395878Sfc1 km3 km6 km9 kmRMLM
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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1489 m above ground
0-6 km bulk shear
41 kt
0-1 km storm-relative helicity
94 m²/s²
0-3 km storm-relative helicity
143 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

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

607 
WGUS53 KLSX 211508
FFWLSX
ILC013-149-MOC007-113-139-163-173-212100-
/O.NEW.KLSX.FF.W.0026.150621T1508Z-150621T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1008 AM CDT SUN JUN 21 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CALHOUN COUNTY IN SOUTHWEST ILLINOIS...
  EASTERN AUDRAIN COUNTY IN CENTRAL MISSOURI...
  LINCOLN COUNTY IN EAST CENTRAL MISSOURI...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  PIKE COUNTY IN NORTHEAST MISSOURI...
  SOUTHERN PIKE COUNTY IN WEST CENTRAL ILLINOIS...
  SOUTHERN RALLS COUNTY IN NORTHEAST MISSOURI...

* UNTIL 400 PM CDT

* AT 1004 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE
  WARNED AREA.  THESE STORMS ARE MOVING OVER AREAS THAT RECEIVED
  BETWEEN 2 TO 5 INCHES OF RAINFALL FROM THUNDERSTORMS LAST NIGHT.
  MANY ROADS IN THE WARNED AREA REMAIN UNDER WATER BECAUSE OF 
  FLOODING FROM LAST NIGHT'S STORMS. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  BOWLING GREEN...ELSBERRY...LOUISIANA...TROY...VANDALIA...
  WELLSVILLE...ATLAS...BELLEVIEW...BELLFLOWER...BUELL...CENTER...
  CLARKSVILLE...CURRYVILLE...DAVIS...EOLIA...FARBER...FRANKFORD...
  HARDIN...HAWK POINT...LADDONIA...MARTINSBURG...MOSCOW MILLS...NEW
  HARTFORD...PERRY...PIKE...PLEASANT HILL...SPENCERBURG AND WINFIELD.

THIS WARNING INCLUDES CUIVRE RIVER STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

&&

LAT...LON 3961 9059 3950 9058 3946 9061 3938 9062
      3920 9059 3915 9062 3910 9060 3893 9060
      3895 9119 3899 9119 3899 9126 3896 9127
      3908 9171 3953 9171

$$

BRITT
2 follow-up statements
690 
WGUS73 KLSX 211801
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
101 PM CDT SUN JUN 21 2015

ILC013-149-MOC007-113-139-163-173-212100-
/O.CON.KLSX.FF.W.0026.000000T0000Z-150621T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE IL-CALHOUN IL-LINCOLN MO-MONTGOMERY MO-PIKE MO-RALLS MO-
AUDRAIN MO-
101 PM CDT SUN JUN 21 2015

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR CALHOUN COUNTY IN
SOUTHWEST ILLINOIS...AND SOUTHERN PIKE COUNTY IN WEST CENTRAL
ILLINOIS...AND EASTERN AUDRAIN COUNTY IN CENTRAL MISSOURI...AND
MONTGOMERY AND LINCOLN COUNTIES IN EAST CENTRAL MISSOURI...AND
SOUTHERN RALLS AND PIKE COUNTIES IN NORTHEAST MISSOURI UNTIL 400 PM
CDT...

AT 1256 PM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUES TO 
SHOW AN AREA SLOW MOVING THUNDERSTORMS WITH EMBEDDED HEAVY RAINFALL 
OVER PARTS OF THE WARNED AREA.  TOTAL RAINFALL AMOUNTS FROM LAST 
NIGHT THROUGH EARLY AFTERNOON TODAY EXCEED 6 INCHES ACROSS PARTS OF 
THE WARNED AREA.  MANY ROADS REMAIN CLOSED DUE TO FLOODING ACROSS 
THE AREA.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
BOWLING GREEN...ELSBERRY...LOUISIANA...TROY...VANDALIA...
WELLSVILLE...ATLAS...BELLEVIEW...BELLFLOWER...BUELL...CENTER...
CLARKSVILLE...CURRYVILLE...DAVIS...EOLIA...FARBER...FRANKFORD...
HARDIN...HAWK POINT...LADDONIA...MARTINSBURG...MOSCOW MILLS...NEW
HARTFORD...PERRY...PIKE...PLEASANT HILL...SPENCERBURG AND WINFIELD.

THIS WARNING INCLUDES CUIVRE RIVER STATE PARK.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

MOST FLOOD RELATED DEATHS OCCUR IN VEHICLES. DO NOT ATTEMPT TO CROSS
BRIDGES...DIPS...OR OTHER LOW SPOTS IF WATER COVERS THE ROADWAY.
NEVER TRY TO CROSS A FLOWING STREAM...EVEN A SMALL ONE...ON FOOT OR
IN A VEHICLE.

&&

LAT...LON 3961 9059 3950 9058 3946 9061 3938 9062
      3920 9059 3915 9062 3910 9060 3893 9060
      3895 9119 3899 9119 3899 9126 3896 9127
      3908 9171 3953 9171

$$

CARNEY
490 
WGUS73 KLSX 212041
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
341 PM CDT SUN JUN 21 2015

ILC013-149-MOC007-113-139-163-173-212056-
/O.CAN.KLSX.FF.W.0026.000000T0000Z-150621T2100Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
PIKE IL-CALHOUN IL-LINCOLN MO-MONTGOMERY MO-PIKE MO-RALLS MO-
AUDRAIN MO-
341 PM CDT SUN JUN 21 2015

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR CALHOUN COUNTY IN
SOUTHWEST ILLINOIS...AND SOUTHERN PIKE COUNTY IN WEST CENTRAL
ILLINOIS...AND EASTERN AUDRAIN COUNTY IN CENTRAL MISSOURI...AND
MONTGOMERY AND LINCOLN COUNTIES IN EAST CENTRAL MISSOURI...AND
SOUTHERN RALLS AND PIKE COUNTIES IN NORTHEAST MISSOURI IS 
CANCELLED...AND HAS BEEN REPLACED WITH AN AREAL FLOOD WARNING.

PLEASE REPORT FLOODING TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3961 9059 3950 9058 3946 9061 3938 9062
      3920 9059 3915 9062 3910 9060 3893 9060
      3895 9119 3899 9119 3899 9126 3896 9127
      3908 9171 3953 9171

$$

KANOFSKY

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 20, 8:23 PM CDTSevere Thunderstorm WarningLSXAdams67 min
Jun 20, 8:55 PM CDTSevere Thunderstorm WarningLSXAdams, Brown65 min
Jun 20, 10:08 PM CDTFlash Flood WarningLSXAdams6 hr
Jun 21, 12:52 AM CDTRiver Flood WarningLSXAdams11 days
Jun 21, 1:40 AM CDTAreal Flood AdvisoryLSXAdams, Pike6 hr
Jun 21, 1:48 AM CDTSevere Thunderstorm WarningLSXCalhoun, Greene, Jersey42 min
Jun 21, 3:46 AM CDTHeat AdvisoryLSXMadison, Monroe, Saint Clair39 hr
Jun 21, 3:54 AM CDTFlash Flood WarningLSXCalhoun, Pike6 hr
Jun 21, 4:01 AM CDTFlash Flood WarningLSXAdams6 hr
Jun 21, 9:57 AM CDTSevere Thunderstorm WarningLSXCalhoun, Jersey, Madison31 min
Jun 21, 3:40 PM CDTAreal Flood WarningLSXCalhoun, Pike12 hr
Jun 20, 11:47 PM CDTRiver Flood WarningLSXLewis10 days
Jun 20, 11:47 PM CDTRiver Flood WarningLSXLewis60 hr
Jun 21, 2:31 AM CDTRiver Flood WarningLSXMarion72 hr
Jun 21, 4:45 AM CDTFlash Flood WarningLSXAudrain, Montgomery, Pike, Ralls6 hr
Jun 21, 5:39 AM CDTRiver Flood WarningLSXLincoln70 hr
Jun 21, 9:48 AM CDTSevere Thunderstorm WarningLSXAudrain, Callaway, Montgomery42 min
Jun 21, 10:56 AM CDTSevere Thunderstorm WarningLSXAudrain, Montgomery, Pike49 min

Nearby

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