Alert archive / Missouri / Flash Flood Warnings in 2015

Flash Flood Warning 36, NWS St. Louis, MO

June 26, 2015Moniteau County, Missouri

NWS St. Louis, MO issued this flash flood warning at Jun 26, 2015, 12:56 AM CDT for Moniteau County, Missouri. It was in force for 8 hr. 1 report 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 26, 2015, 12:56 AM CDT (05:56 UTC)
Expired
Jun 26, 2015, 9:00 AM CDT
In force
8 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

County Moniteau County, MO

The radar

The Pleasant Hill radar (KEAX), 149 km from the middle of the area, began a volume at 05:56 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 26, 8:00 AM CDTHEAVY RAIN 2.75California, MOTAKEN AT 800AM

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

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 5.9 hours before the alert went out and 230 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, Springfield, MO at 00:00Z on 2015-06-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2699 joules per kilogram.LCLEL10008507005003002001001 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, Springfield, MO at 00:00Z on 2015-06-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -20 square meters per square second.1939Sfc1 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
2699 J/kg
Mixed-layer CIN
-5 J/kg
Mixed-layer LCL
1426 m above ground
0-6 km bulk shear
8 kt
0-1 km storm-relative helicity
-20 m²/s²
0-3 km storm-relative helicity
-23 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.

700 
WGUS53 KLSX 260556
FFWLSX
MOC135-261400-
/O.NEW.KLSX.FF.W.0036.150626T0556Z-150626T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
1256 AM CDT FRI JUN 26 2015

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONITEAU COUNTY IN CENTRAL MISSOURI...

* UNTIL 900 AM CDT

* AT 1252 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR 
  INDICATED SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL
  ACROSS SOUTHERN PORTIONS OF THE COUNTY.  DOPPLER RADAR ESTIMATED
  THAT MORE THAN 2 INCHES OF RAIN HAD FALLEN IN A SMALL BAND FROM
  NEAR LATHAM TO HIGH POINT.  THE STORMS ARE CONTINUING TO MOVE
  ACROSS THIS SAME AREA...BUT MAY MOVE SLOWLY NORTHEAST OVER THE
  NEXT SEVERAL HOURS SPREADING RAIN FURTHER NORTH INTO THE COUNTY.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  CALIFORNIA...TIPTON...CLARKSBURG...EASLEY...HIGH POINT...JAMESTOWN
  AND MCGIRK.

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.

&&

LAT...LON 3868 9284 3868 9262 3892 9250 3890 9248
      3888 9248 3883 9244 3881 9238 3878 9238
      3876 9241 3873 9239 3843 9249 3843 9263
      3860 9284

$$

CARNEY
1 follow-up statement
922 
WGUS73 KLSX 261354
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
854 AM CDT FRI JUN 26 2015

MOC135-261409-
/O.EXP.KLSX.FF.W.0036.000000T0000Z-150626T1400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONITEAU MO-
854 AM CDT FRI JUN 26 2015

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MONITEAU COUNTY
WILL BE ALLOWED TO EXPIRE AT 900 AM CDT...

EXCESS RUNOFF FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS
AND CREEKS IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO
RECEDE...ENDING THE FLOOD THREAT. IF FLOODING HAS BEEN OBSERVED...
PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT AGENCY.

LAT...LON 3868 9284 3868 9262 3892 9250 3890 9248
      3888 9248 3883 9244 3881 9238 3878 9238
      3876 9241 3873 9239 3843 9249 3843 9263
      3860 9284

$$

GOSSELIN

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 25, 7:05 PM CDTSevere Thunderstorm WarningLSXCity of Saint Louis55 min
Jun 25, 7:09 PM CDTSevere Thunderstorm WarningLSXMonroe, Shelby51 min
Jun 25, 7:31 PM CDTFlash Flood WarningLSXAudrain, Boone, Callaway, Lincoln, Montgomery, Pike and 1 more12 hr
Jun 25, 7:34 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles29 min
Jun 25, 7:38 PM CDTSevere Thunderstorm WarningLSXAudrain, Monroe, Ralls52 min
Jun 25, 7:45 PM CDTTornado WarningLSXAudrain, Monroe, Ralls30 min
Jun 25, 8:02 PM CDTSevere Thunderstorm WarningLSXAudrain, Pike28 min
Jun 25, 8:20 PM CDTAreal Flood WarningLSXKnox, Shelby12 hr
Jun 25, 8:20 PM CDTSevere Thunderstorm WarningLSXLincoln, Montgomery, Pike, Warren40 min
Jun 25, 8:36 PM CDTSevere Thunderstorm WarningLSXLincoln, Saint Charles, Warren39 min
Jun 25, 8:45 PM CDTRiver Flood WarningLSXBoone, Callaway, Cole, Moniteau8 days
Jun 25, 9:03 PM CDTSevere Thunderstorm WarningLSXFranklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren42 min
Jun 26, 2:05 AM CDTFlash Flood WarningLSXCole8 hr
Jun 26, 3:30 AM CDTRiver Flood WarningLSXCole66 hr
Jun 26, 3:40 AM CDTFlash Flood WarningLSXOsage7 hr
Jun 26, 5:55 AM CDTRiver Flood WarningLSXOsage50 hr
Jun 26, 6:48 AM CDTAreal Flood AdvisoryLSXSaint Louis, City of Saint Louis6 hr
Jun 26, 7:30 AM CDTAreal Flood WarningLSXAudrain, Boone, Lincoln, Montgomery, Pike, Saint Charles and 1 more12 hr
Jun 26, 7:43 AM CDTAreal Flood WarningLSXKnox, Shelby12 hr
Jun 26, 8:34 AM CDTFlash Flood WarningLSXKnox6 hr
Jun 26, 8:53 AM CDTAreal Flood WarningLSXMoniteau11 hr
Jun 26, 9:58 AM CDTAreal Flood WarningLSXCole10 hr
Jun 26, 10:05 AM CDTFlash Flood WarningLSXLewis, Marion6 hr
Jun 26, 3:55 PM CDTAreal Flood WarningLSXLewis, Marion6 hr
Jun 26, 5:28 PM CDTAreal Flood WarningLSXKnox, Lewis, Marion, Shelby24 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; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.