Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 20, NWS St. Louis, MO

August 2, 20164 counties in Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 2, 2016, 2:09 AM CDT for 4 counties in Missouri. It was in force for 6 hr. 19 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, 2:09 AM CDT (07:09 UTC)
Expired
Aug 2, 2016, 8:15 AM CDT
In force
6 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), 101 km from the middle of the area, began a volume at 07:12 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, 3:06 AM CDTFLASH FLOODMexico, MOSEVERAL ROADS ACROSS THE COUNTY INCLUDING FF... E... J AND 340 WERE UNDERWATRER AT VARIOUS LOCATIONS. NUMEROUS STREETS IN MEXICO WERE FLOODED WITH WATER ENTERING SOME HOUSES.
Aug 2, 6:10 AM CDTFLASH FLOODParis, MOHIGHWAY 24 FLOODED AT ROUTE A. HIGHWAY 15 FLOODED AT 3 LOCATIONS. SEVERAL COUNTY ROADS UNDERWATER AND IMPASSABLE.
Aug 2, 6:15 AM CDTHEAVY RAIN 3.52 Se Mexico, MOSTILL RAINING
Aug 2, 6:19 AM CDTFLASH FLOODFulton, MONUMEROUS STREETS IN FULTON FLOODED. COUNTY ROADS 132 AND 134 ALSO FLOODED.
Aug 2, 6:25 AM CDTHEAVY RAIN 3.182 Wsw Williamsburg, MOSTILL RAINING
Aug 2, 6:26 AM CDTFLASH FLOOD6 Ne Fulton, MOROUTE Z CLOSED DUE TO FLOODING.
Aug 2, 6:39 AM CDTFLASH FLOOD8 Nw Mexico, MOHIGHWAY 15 CLOSED DUE TO WATER OVER ROADWAY JUST NORTH OF ROUTE CC.
Aug 2, 7:00 AM CDTHEAVY RAIN 3.383 Nnw Kingdom City, MO24 HOUR TOTAL
Aug 2, 7:00 AM CDTHEAVY RAIN 3.756 Se Mexico, MO24 HOUR TOTAL
Aug 2, 7:01 AM CDTFLASH FLOODBig Spring, MOHIGHWAY K FLOODED.
Aug 2, 7:25 AM CDTFLASH FLOOD3 S Paris, MOHIGHWAY 15 FLOODED.
Aug 2, 7:29 AM CDTFLASH FLOODFulton, MOWIDESPREAD FLOODING ACROSS TOWN.
Aug 2, 7:30 AM CDTHEAVY RAIN 6.81Mexico, MOSINCE MIDNIGHT
Aug 2, 8:00 AM CDTHEAVY RAIN 4.053 S Fulton, MO24 HOUR TOTAL
Aug 2, 8:00 AM CDTHEAVY RAIN 4.5Rhineland, MOTOTAL SINCE MIDNIGHT.
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.

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, 7.2 hours before the alert went out and 298 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 2016-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2996 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 00:00Z on 2016-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 43 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
2996 J/kg
Mixed-layer CIN
-27 J/kg
Mixed-layer LCL
1155 m above ground
0-6 km bulk shear
12 kt
0-1 km storm-relative helicity
43 m²/s²
0-3 km storm-relative helicity
95 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

923 
WGUS53 KLSX 020709
FFWLSX
MOC007-027-137-139-021315-
/O.NEW.KLSX.FF.W.0020.160802T0709Z-160802T1315Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
209 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 815 AM CDT TUESDAY

* AT 208 AM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. RADAR ESTIMATES INDICATES ABOUT
  3 INCHES OF RAIN HAS FALLEN. FLASH FLOODING IS EXPECTED TO BEGIN
  SHORTLY. 

* 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.
 
LAT...LON 3964 9174 3948 9171 3932 9172 3932 9168
      3886 9128 3884 9132 3885 9142 3872 9142
      3869 9152 3871 9173 3869 9175 3867 9187
      3863 9190 3857 9202 3904 9211 3924 9210
      3924 9214 3960 9230

$$

KRAMPER

The office that day

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

IssuedProductOfficeCountiesLasted
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, 8:08 AM CDTFlash Flood WarningLSXAudrain, Callaway, Monroe, Montgomery4 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.