Alert archive / Missouri / Flash Flood Warnings in 2013

Flash Flood Warning 47, NWS St. Louis, MO

August 7, 20134 counties in Missouri

NWS St. Louis, MO issued this flash flood warning at Aug 7, 2013, 3:54 AM CDT for 4 counties in Missouri. It was in force for 8 hr. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 7, 2013, 3:54 AM CDT (08:54 UTC)
Expired
Aug 7, 2013, 12:00 PM CDT
In force
8 hr
Issued by
NWS St. Louis, MO
Area
Storm-based polygon
Flood severity
None

Counties Iron County, MO, Reynolds County, MO, Saint Francois County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 120 km from the middle of the area, began a volume at 08:54 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.

The nearest sounding before it

Springfield, MO (KSGF), launched 00:00Z, 8.9 hours before the alert went out and 278 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 2013-08-07Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 860 joules per kilogram.LCLLFCEL10008507005003002001001 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 2013-08-07The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 100 square meters per square second.193958Sfc1 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
860 J/kg
Mixed-layer CIN
-203 J/kg
Mixed-layer LCL
1527 m above ground
0-6 km bulk shear
31 kt
0-1 km storm-relative helicity
100 m²/s²
0-3 km storm-relative helicity
205 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.3

Open this sounding in Storm Lab

The text

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

866 
WGUS53 KLSX 070854
FFWLSX
MOC093-179-187-221-071700-
/O.NEW.KLSX.FF.W.0047.130807T0854Z-130807T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE ST LOUIS MO
354 AM CDT WED AUG 7 2013

THE NATIONAL WEATHER SERVICE IN ST LOUIS HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  IRON COUNTY IN SOUTHEAST MISSOURI...
  REYNOLDS COUNTY IN SOUTHEAST MISSOURI...
  ST. FRANCOIS COUNTY IN SOUTHEAST MISSOURI...
  WASHINGTON COUNTY IN EAST CENTRAL MISSOURI...

* UNTIL NOON CDT

* AT 352 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED
  SLOW MOVING THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE   
  WARNED AREA. RADAR ESTIMATES THAT 1 TO 3 INCHES HAS FALLEN ACROSS 
  THE WARNED AREA SINCE 200 AM. WAVES OF THUNDERSTORMS WILL CONTINUE
  THROUGH THE MORNING HOURS WITH ADDITIONAL RAINFALL AMOUNTS OF 2 TO 
  4 INCHES POSSIBLE.

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  ANTHONIES MILL...BISMARCK...BONNE TERRE...DESLOGE...FARMINGTON...
  IRONTON...LEADWOOD...POTOSI...ANNAPOLIS...ARCADIA...BELLEVIEW...
  BIXBY...BUNKER...COURTOIS...ELLINGTON...GARWOOD...GLOVER...IRON
  MOUNTAIN...IRONDALE...KNOB LICK...MINERAL POINT...OATES...OLD
  MINES...PARK HILLS...PILOT KNOB...REYNOLDS AND RICHWOODS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

IN HILLY TERRAIN THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH ARE
POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL ACROSS
FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW INCHES OF
SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3706 9097 3726 9117 3750 9122 3751 9132
      3760 9131 3759 9116 3774 9110 3820 9109
      3820 9078 3807 9061 3801 9063 3801 9053
      3792 9041 3788 9046 3767 9020 3766 9012
      3764 9053 3727 9055 3726 9073 3705 9078

$$

GLASS
2 follow-up statements
059 
WGUS73 KLSX 071159
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
659 AM CDT WED AUG 7 2013

MOC093-179-187-221-071700-
/O.CON.KLSX.FF.W.0047.000000T0000Z-130807T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IRON MO-REYNOLDS MO-ST. FRANCOIS MO-WASHINGTON MO-
659 AM CDT WED AUG 7 2013

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR WASHINGTON...ST.
FRANCOIS...REYNOLDS AND IRON COUNTIES UNTIL NOON CDT...

AT 655 AM CDT...NATIONAL WEATHER SERVICE DOPPLER RADAR SHOWED
SHOWERS AND THUNDERSTORMS ACROSS THE WARNED AREA. RADAR ESTIMATES 2 
TO 4 INCHES OF RAINFALL ACROSS MUCH OF REYNOLDS AND IRON COUNTIES 
AND PORTIONS OF SOUTHERN WASHINGTON AND SOUTHWEST ST. FRANCOIS 
COUNTIES. SHOWERS AND THUNDERSTORMS WITH OCCASIONALLY HEAVY RAINFALL 
WILL CONTINUE THROUGH AT LEAST 900 AM...WITH ADDITIONAL RAINFALL 
AMOUNTS OF UP TO 2 INCHES POSSIBLE.

RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO 
OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING 
INCLUDE...ANTHONIES MILL...BISMARCK...BONNE 
TERRE...DESLOGE...FARMINGTON...IRONTON...LEADWOOD...POTOSI...ANNAPOLI
S...ARCADIA...BELLEVIEW...BIXBY...BUNKER...COURTOIS...ELLINGTON...GAR
WOOD...GLOVER...IRON MOUNTAIN...IRONDALE...KNOB LICK...MINERAL 
POINT...OATES...OLD MINES...PARK HILLS...PILOT KNOB...REYNOLDS AND 
RICHWOODS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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.

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.

IN HILLY TERRAIN...THERE ARE HUNDREDS OF LOW WATER CROSSINGS WHICH
ARE POTENTIALLY DANGEROUS IN HEAVY RAIN. DO NOT ATTEMPT TO TRAVEL
ACROSS FLOODED ROADS. FIND ALTERNATE ROUTES. IT ONLY TAKES A FEW
INCHES OF SWIFTLY FLOWING WATER TO CARRY VEHICLES AWAY.

&&

LAT...LON 3706 9097 3726 9117 3750 9122 3751 9132
      3760 9131 3759 9116 3774 9110 3820 9109
      3820 9078 3807 9061 3801 9063 3801 9053
      3792 9041 3788 9046 3767 9020 3766 9012
      3764 9053 3727 9055 3726 9073 3705 9078

$$

GLASS
799 
WGUS73 KLSX 071450
FFSLSX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE ST LOUIS MO
950 AM CDT WED AUG 7 2013

MOC093-179-187-221-071505-
/O.CAN.KLSX.FF.W.0047.000000T0000Z-130807T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
IRON MO-REYNOLDS MO-ST. FRANCOIS MO-WASHINGTON MO-
950 AM CDT WED AUG 7 2013

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR WASHINGTON...ST.
FRANCOIS...REYNOLDS AND IRON COUNTIES IS CANCELLED...

THE HEAVY RAIN AND THREAT OF FLASH FLOODING HAS ENDED.

LAT...LON 3706 9097 3726 9117 3750 9122 3751 9132
      3760 9131 3759 9116 3774 9110 3820 9109
      3820 9078 3807 9061 3801 9063 3801 9053
      3792 9041 3788 9046 3767 9020 3766 9012
      3764 9053 3727 9055 3726 9073 3705 9078

$$

CVKING

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 7, 1:58 AM CDTFlash Flood WarningLSXCrawford, Gasconade8 hr
Aug 7, 2:50 AM CDTRiver Flood WarningLSXOsage47 hr
Aug 7, 3:26 AM CDTFlash Flood WarningLSXMadison8 hr
Aug 7, 3:42 AM CDTSevere Thunderstorm WarningLSXIron, Madison, Reynolds, Saint Francois63 min
Aug 7, 11:50 AM CDTRiver Flood WarningLSXCole31 hr
Aug 7, 4:33 PM CDTRiver Flood WarningLSXCrawford62 hr
Aug 7, 4:33 PM CDTRiver Flood WarningLSXCrawford, Washington3 days

Nearby

Flash Flood Warnings in Missouri, 2013Every flash flood warning in 2013

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.