Alert archive / Missouri / Flash Flood Warnings in 2015

Flash Flood Warning 21, NWS Quad Cities, IA

July 11, 2015Clark County, Missouri

NWS Quad Cities, IA issued this flash flood warning at Jul 11, 2015, 8:25 PM CDT for Clark County, Missouri. It was in force for 6 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
Jul 11, 2015, 8:25 PM CDT (01:25 UTC)
Expired
Jul 12, 2015, 2:30 AM CDT
In force
6 hr
Issued by
NWS Quad Cities, IA
Area
Storm-based polygon
Flood severity
None

County Clark County, MO

The radar

The Quad Cities radar (KDVN), 161 km from the middle of the area, began a volume at 01:28 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
Jul 11, 9:20 PM CDTFLASH FLOODWayland, MONUMEROUS STREETS FLOODED IN WAYLAND. HIGHWAY 61 FROM SOUTH OF WAYLAND TO THE LEWIS COUNTY LINE FLOODED. UNKNOWN DEPTH AT THIS TIME.

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

The nearest sounding before it

Davenport, (KDVN), launched 00:00Z, 1.4 hours before the alert went out and 165 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, Davenport, at 00:00Z on 2015-07-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 16 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, Davenport, at 00:00Z on 2015-07-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 98 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
16 J/kg
Mixed-layer CIN
-148 J/kg
Mixed-layer LCL
685 m above ground
0-6 km bulk shear
32 kt
0-1 km storm-relative helicity
98 m²/s²
0-3 km storm-relative helicity
174 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

Open this sounding in Storm Lab

The text

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

392 
WGUS53 KDVN 120125
FFWDVN
MOC045-120730-
/O.NEW.KDVN.FF.W.0021.150712T0125Z-150712T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
825 PM CDT SAT JUL 11 2015

THE NATIONAL WEATHER SERVICE IN THE QUAD CITIES HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  CLARK COUNTY IN NORTHEASTERN MISSOURI...

* UNTIL 230 AM CDT SUNDAY
            
* AT 825 PM CDT...DOPPLER RADAR INDICATED A THUNDERSTORM PRODUCING
  HEAVY RAIN ACROSS THE WARNED AREA. FLASH FLOODING IS EXPECTED TO
  BEGIN SHORTLY.

* SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  KAHOKA...WAYLAND...WYACONDA...ALEXANDRIA...LURAY...ST.
  FRANCISVILLE...WINCHESTER...CLARK CITY...FAIRMONT...FROST ISLAND
  CONSERVATION AREA...MEDILL...ST. PATRICK...GREGORY LANDING...
  NEEPER...ASHTON AND ANTIOCH.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4026 9195 4049 9194 4047 9158 4046 9157
      4046 9153 4044 9153 4043 9152 4041 9153
      4040 9149 4038 9148 4038 9147 4037 9146
      4038 9142 4035 9146 4028 9149 4025 9149

$$

HAASE
4 follow-up statements
905 
WGUS73 KDVN 120139
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
839 PM CDT SAT JUL 11 2015

MOC045-120730-
/O.CON.KDVN.FF.W.0021.000000T0000Z-150712T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK MO-
839 PM CDT SAT JUL 11 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT SUNDAY
FOR CLARK COUNTY...

AT 837 PM CDT...DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING HEAVY
RAIN ACROSS THE WARNED AREA. UP TO THREE INCHES OF RAIN HAVE ALREADY 
FALLEN. FLASH FLOODING IS LIKELY. MORE THUNDERSTORMS WERE IN 
SCOTLAND COUNTY MISSOURI AND WILL BE REPEATING OVER THE SAME AREA IN 
CLARK COUNTY THIS EVENING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KAHOKA...WAYLAND...WYACONDA...ALEXANDRIA...LURAY...CLARK CITY...
MEDILL...NEEPER...ANTIOCH...FROST ISLAND CONSERVATION AREA...ST.
PATRICK...WINCHESTER...FAIRMONT...GREGORY LANDING AND ASHTON.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 3 INCHES ARE LIKELY IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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.  MOVE TO HIGHER GROUND.

&&

LAT...LON 4026 9195 4049 9194 4047 9158 4046 9157
      4046 9153 4044 9153 4043 9152 4041 9153
      4040 9149 4038 9148 4038 9147 4037 9146
      4038 9142 4035 9146 4028 9149 4025 9149

$$

HAASE
301 
WGUS73 KDVN 120428
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
1128 PM CDT SAT JUL 11 2015

MOC045-120730-
/O.CON.KDVN.FF.W.0021.000000T0000Z-150712T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK MO-
1128 PM CDT SAT JUL 11 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT SUNDAY
FOR CLARK COUNTY...

AT 1126 PM CDT...LOCAL LAW ENFORCEMENT REPORTED HEAVY RAIN DUE TO A 
THUNDERSTORM OVER SOUTHERN CLARK COUNTY. UP TO THREE INCHES OF RAIN 
HAVE ALREADY FALLEN. LOCALIZED FLASH FLOODING IS EXPECTED TO 
CONTINUE FOR ANOTHER 1 TO 2 HOURS BEFORE RECEDING.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KAHOKA...WAYLAND...WYACONDA...ALEXANDRIA...LURAY...CLARK CITY...
MEDILL...NEEPER...ANTIOCH...FROST ISLAND CONSERVATION AREA...ST.
PATRICK...WINCHESTER...FAIRMONT...GREGORY LANDING AND ASHTON.

ADDITIONAL RAINFALL AMOUNTS OF UP TO 1 INCH ARE POSSIBLE IN THE 
WARNED AREA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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.  MOVE TO HIGHER GROUND.

&&

LAT...LON 4026 9195 4049 9194 4047 9158 4046 9157
      4046 9153 4044 9153 4043 9152 4041 9153
      4040 9149 4038 9148 4038 9147 4037 9146
      4038 9142 4035 9146 4028 9149 4025 9149

$$

NICHOLS
396 
WGUS73 KDVN 120610
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
110 AM CDT SUN JUL 12 2015

MOC045-120730-
/O.CON.KDVN.FF.W.0021.000000T0000Z-150712T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK MO-
110 AM CDT SUN JUL 12 2015

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 230 AM CDT SUNDAY
FOR CLARK COUNTY...

AT 105 AM CDT...LOCAL LAW ENFORCEMENT REPORTED HEAVY RAIN DUE TO A 
THUNDERSTORMS OVER CLARK COUNTY. UP TO FIVE INCHES OF RAIN HAVE 
ALREADY FALLEN. RADAR INDICATES ANOTHER 1 TO 2 INCHES OF RAIN HAS 
FALLEN OVER SOUTHWEST CLARK COUNTY SINCE MIDNIGHT.

SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
KAHOKA...WAYLAND...WYACONDA...ALEXANDRIA...LURAY...CLARK CITY...
MEDILL...NEEPER...ANTIOCH...FROST ISLAND CONSERVATION AREA...ST.
PATRICK...WINCHESTER...FAIRMONT...GREGORY LANDING AND ASHTON.

ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2 INCHES ARE POSSIBLE IN THE 
WARNED AREA.

SOME STREAMS AND DRAINAGES AFFECTED...BEAR CREEK...HICKORY 
CREEK...NORTH WYACONDA RIVER...NORTH FABIUS RIVER.

THE FOX RIVER IS EXPECTED TO RISE TO NEAR FLOOD STAGE IN CLARK 
COUNTY.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING.

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.  MOVE TO HIGHER GROUND.

&&

LAT...LON 4026 9195 4049 9194 4047 9158 4046 9157
      4046 9153 4044 9153 4043 9152 4041 9153
      4040 9149 4038 9148 4038 9147 4037 9146
      4038 9142 4035 9146 4028 9149 4025 9149

$$

08
713 
WGUS73 KDVN 120728
FFSDVN

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
228 AM CDT SUN JUL 12 2015

MOC045-120736-
/O.EXP.KDVN.FF.W.0021.000000T0000Z-150712T0730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
CLARK MO-
228 AM CDT SUN JUL 12 2015

...THE FLASH FLOOD WARNING FOR CLARK COUNTY WILL EXPIRE AT 230 AM
CDT...

ALTHOUGH A FEW LINGERING SHOWERS ARE POSSIBLE DURING THE NEXT 
HOUR...THE HEAVY RAIN HAS ENDED.  THUS FLOODING IS NO LONGER 
EXPECTED TO POSE A THREAT. PLEASE CONTINUE TO HEED ANY ROAD CLOSURES 
AND BE WARY OF ANY LINGERING WATER PONDED IN LOW-LYING AREAS.

LAT...LON 4026 9195 4049 9194 4047 9158 4046 9157
      4046 9153 4044 9153 4043 9152 4041 9153
      4040 9149 4038 9148 4038 9147 4037 9146
      4038 9142 4035 9146 4028 9149 4025 9149

$$

WOLF

The office that day

Everything else NWS Quad Cities, IA issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 11, 9:42 PM CDTSpecial Weather StatementDVNScotland33 min
Jul 12, 3:31 AM CDTHeat AdvisoryDVNClark, Scotland35 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.