Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 26, NWS St. Louis, MO

August 2, 20164 counties in Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 2, 2016, 8:08 AM CDT for 4 counties in Missouri. It was in force for 4 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
Aug 2, 2016, 8:08 AM CDT (13:08 UTC)
Expired
Aug 2, 2016, 12:00 PM CDT
In force
4 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Audrain County, MO, Callaway County, MO, Monroe County, MO, Montgomery County, MO

The radar

The St Louis radar (KLSX), 97 km from the middle of the area, began a volume at 13:10 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
Aug 2, 8:15 AM CDTHEAVY RAIN 4.472 N Madison, MO6-HOUR RAINFALL TOTAL OVER THE PAST SIX HOURS FROM HAGERS GROVE RAIN GAUGE.
Aug 2, 8:22 AM CDTFLASH FLOOD6 Se Fulton, MOROUTE O CLOSED DUE TO FLOODING.
Aug 2, 8:24 AM CDTFLASH FLOODFulton, MOEASTBOUND BUSINESS US 54 CLOSED DUE TO FLOODING.
Aug 2, 8:25 AM CDTFLASH FLOODFulton, MOEASTBOUND ROUTE F CLOSED DUE TO FLOODING.
Aug 2, 8:26 AM CDTFLASH FLOOD5 S Paris, MOROUTE 15 FROM HIGHWAY KK TO HIGHWAY CC CLOSED DUE TO FLOODING.
Aug 2, 8:30 AM CDTHEAVY RAIN 5.19Madison, MORAINFALL TOTAL THUS FAR OVER LAST 7 HOURS FROM GAUGE ALONG ELK FORK SALT RIVER.
Aug 2, 9:00 AM CDTHEAVY RAIN 5.67Holliday, MORAINFALL TOTAL SINCE 1AM FROM THE RAIN GAUGE ON THE MID FORK SALT RIVER.
Aug 2, 9:26 AM CDTFLOODMexico, MOBUSINESS HIGHWAY 54 DOWN TO ONE LANE AT THE UNDERPASS DUE TO WATER OVER THE ROADWAY.
Aug 2, 9:30 AM CDTHEAVY RAIN 3.82 Wsw Williamsburg, MORAINFALL TOTAL SINCE MIDNIGHT COURTESY OF MISSOURI MESONET.

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 12:00Z, 1.1 hours before the alert went out and 296 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 12:00Z on 2016-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 793 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2016-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 9 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
793 J/kg
Mixed-layer CIN
-189 J/kg
Mixed-layer LCL
1632 m above ground
0-6 km bulk shear
9 kt
0-1 km storm-relative helicity
9 m²/s²
0-3 km storm-relative helicity
28 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.0

Open this sounding in Storm Lab

The text

As transmitted.

362 
WGUS53 KLSX 021308
FFWLSX
MOC007-027-137-139-021700-
/O.NEW.KLSX.FF.W.0026.160802T1308Z-160802T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
808 AM CDT TUE AUG 2 2016

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  MONROE COUNTY IN NORTHEASTERN MISSOURI...
  CALLAWAY COUNTY IN CENTRAL MISSOURI...
  MONTGOMERY COUNTY IN EAST CENTRAL MISSOURI...
  AUDRAIN COUNTY IN CENTRAL MISSOURI...

* UNTIL NOON CDT

* AT 804 AM CDT...LOCAL LAW ENFORCEMENT AND EMERGENCY MANAGEMET
  OFFICIALS REPORTED WIDESPREAD FLASH FLOODING ACROSS THE AREA.
  ACROSS THE WARNED AREA. FROM 3 TO 6 INCHES OF RAIN HAVE ALREADY
  FALLEN WITH LOCALLY HIGHER AMOUNTS. 

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  FULTON...MEXICO...MONTGOMERY CITY...PARIS...WELLSVILLE...
  SANTA FE...AUXVASSE...NEW FLORENCE...JONESBURG...MADISON...
  LADDONIA...MARTINSBURG...GRANVILLE...BIG SPRING...WOODLAWN...
  MINEOLA...SHAMROCK...BUELL...WILLIAMSBURG AND HIGH HILL.

THIS INCLUDES INTERSTATE 70 IN MISSOURI BETWEEN EXITS 144 AND 183.
 
THIS ALSO INCLUDES  UNION COVERED BRIDGE HISTORIC SITE...GRAHAM CAVE
STATE PARK...AND MARK TWAIN LAKE RECREATIONAL AREA.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

TURN AROUND...DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.

MOVE TO HIGHER GROUND NOW. ACT QUICKLY TO PROTECT YOUR LIFE.

&&

LAT...LON 3964 9174 3948 9171 3932 9172 3932 9168
      3886 9128 3884 9132 3885 9142 3872 9142
      3871 9147 3871 9149 3869 9152 3871 9173
      3869 9175 3867 9187 3863 9190 3857 9202
      3906 9211 3924 9210 3924 9214 3960 9230

$$

KRAMPER
1 follow-up statement
724 
WGUS73 KLSX 021653 RRA
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
1153 AM CDT TUE AUG 2 2016

MOC007-027-137-139-021703-
/O.EXP.KLSX.FF.W.0026.000000T0000Z-160802T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
MONROE MO-CALLAWAY MO-MONTGOMERY MO-AUDRAIN MO-
1153 AM CDT TUE AUG 2 2016

...THE FLASH FLOOD WARNING FOR MONROE...CALLAWAY...MONTGOMERY AND
AUDRAIN COUNTIES WILL EXPIRE AT NOON CDT...

THE HEAVY RAIN HAS ENDED WITH GENERALLY LIGHT TO MODERATE RAINFALL
LIKELY OVER THE NEXT COUPLE OF HOURS. AN AREAL FLOOD WARNING IS NOW
IN EFFECT UNTIL 530 PM TODAY DUE TO THE CONTINUATION OF ROAD
CLOSURES ACROSS THE AREA AS LARGER STREAMS AND RIVERS CONTINUE TO
RISE.

LAT...LON 3964 9174 3948 9171 3932 9172 3932 9168
      3886 9128 3884 9132 3885 9142 3872 9142
      3871 9147 3871 9149 3869 9152 3871 9173
      3869 9175 3867 9187 3863 9190 3857 9202
      3906 9211 3924 9210 3924 9214 3960 9230

$$

GOSSELIN

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 2, 2:09 AM CDTFlash Flood WarningLSXAudrain, Callaway, Monroe, Montgomery6 hr
Aug 2, 2:59 AM CDTFlash Flood WarningLSXFranklin, Gasconade, Osage, Warren5 hr
Aug 2, 4:02 AM CDTFlash Flood WarningLSXShelby5 hr
Aug 2, 4:57 AM CDTFlash Flood WarningLSXAudrain, Boone, Monroe5 hr
Aug 2, 5:34 AM CDTFlash Flood WarningLSXKnox6 hr
Aug 2, 7:57 AM CDTFlash Flood WarningLSXFranklin, Gasconade, Osage, Warren4 hr
Aug 2, 8:58 AM CDTFlash Flood WarningLSXMonroe, Shelby3 hr
Aug 2, 10:00 AM CDTFlash Flood WarningLSXAudrain, Boone, Monroe2 hr
Aug 2, 11:31 AM CDTAreal Flood WarningLSXAudrain, Boone, Callaway, Franklin, Gasconade, Knox and 5 more6 hr
Aug 2, 3:05 PM CDTFlash Flood WatchLSXFranklin, Jefferson, Lewis, Lincoln, Marion, Pike and 6 more14 hr

Nearby

Flash Flood Warnings in Missouri, 2016Every flash flood warning in 2016

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.