Alert archive / Missouri / Flash Flood Warnings in 2016

Flash Flood Warning 71, NWS Springfield, MO

August 25, 2016Polk County, Missouri

NWS Springfield, MO issued this flash flood warning at Aug 25, 2016, 8:22 PM CDT for Polk County, Missouri. It was in force for 10 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
Aug 25, 2016, 8:22 PM CDT (01:22 UTC)
Expired
Aug 26, 2016, 6:15 AM CDT
In force
10 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

County Polk County, MO

The radar

The Springfield radar (KSGF), 32 km from the middle of the area, began a volume at 01:22 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 25, 9:10 PM CDTFLASH FLOOD4 N Walnut Grove, MO2 FEET OF WATER OVER STATE HIGHWAY W WEST OF EUDORA

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, 1.4 hours before the alert went out and 71 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 2016-08-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1024 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 2016-08-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 42 square meters per square second.19395878Sfc1 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
1024 J/kg
Mixed-layer CIN
-25 J/kg
Mixed-layer LCL
1655 m above ground
0-6 km bulk shear
26 kt
0-1 km storm-relative helicity
42 m²/s²
0-3 km storm-relative helicity
46 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

425 
WGUS53 KSGF 260122
FFWSGF
MOC167-261115-
/O.NEW.KSGF.FF.W.0071.160826T0122Z-160826T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE SPRINGFIELD MO
822 PM CDT THU AUG 25 2016

THE NATIONAL WEATHER SERVICE IN SPRINGFIELD HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN POLK COUNTY IN SOUTHWESTERN MISSOURI...

* UNTIL 615 AM CDT FRIDAY

* AT 820 PM CDT...DOPPLER RADAR INDICATED HEAVY RAIN ACROSS THE
  WARNED AREA. UP TO THREE INCHES OF RAIN HAS ALREADY FALLEN. FLASH
  FLOODING IS ALREADY OCCURRING. THE LITTLE SAC RIVER...TURKEY
  CREEK...AND THEIR TRIBUTARIES WILL BE IMPACTED BY THIS HEAVY
  RAIN...RESULTING IN FLASH FLOODING. 

* CREEKS...STREAMS...AND LOW WATER CROSSINGS WILL BE ESPECIALLY
  SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.
  LOCATIONS IN THE WARNING INCLUDE...
  ALDRICH...                        

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...
ROUTE W AT TURKEY CREEK JUST WEST OF EUDORA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
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.

&&

LAT...LON 3745 9362 3759 9362 3758 9344 3754 9333
      3753 9343 3749 9353 3746 9357 3743 9358

$$

CRAMER
3 follow-up statements
866 
WGUS73 KSGF 260335
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1035 PM CDT THU AUG 25 2016

MOC167-261115-
/O.CON.KSGF.FF.W.0071.000000T0000Z-160826T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POLK MO-
1035 PM CDT THU AUG 25 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FRIDAY
FOR SOUTHWESTERN POLK COUNTY...

AT 1033 PM CDT...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING IN THE
WARNED AREA. 6 INCHES OF RAIN HAS ALREADY FALLEN. FLASH FLOODING IS
ALREADY OCCURRING...PARTICULARLY ALONG THE LITTLE SAC RIVER...TURKEY
CREEK...AND WALNUT CREEK. NUMEROUS ROADS ARE FLOODED AND IMPASSABLE
TO MOTORISTS. 

THIS WARNING INCLUDES BUT IS NOT LIMITED TO THE FOLLOWING LOW WATER
CROSSINGS...
ROUTE W AT TURKEY CREEK JUST WEST OF EUDORA.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3745 9362 3759 9362 3759 9353 3757 9347
      3755 9343 3753 9343 3749 9353 3746 9357
      3743 9358

$$

CRAMER
336 
WGUS73 KSGF 260422
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
1122 PM CDT THU AUG 25 2016

MOC167-261115-
/O.CON.KSGF.FF.W.0071.000000T0000Z-160826T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POLK MO-
1122 PM CDT THU AUG 25 2016

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 615 AM CDT FRIDAY
FOR SOUTHWESTERN POLK COUNTY...

AT 1121 PM CDT...EMERGENCY MANAGEMENT REPORTED FLASH FLOODING IN THE
WARNED AREA. THREE TO SIX INCHES OF RAIN HAS ALREADY FALLEN. FLASH
FLOODING IS ALREADY OCCURRING.

CREEKS...STREAMS...AND LOW WATER CROSSINGS WILL BE ESPECIALLY
SUSCEPTIBLE TO THE DANGERS OF FLASH FLOODING.

PORTIONS OF HIGHWAY 215 WEST OF MORRISVILLE IS CLOSED DUE TO
FLOODING.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A FLASH FLOOD WARNING MEANS THAT FLOODING IS IMMINENT OR OCCURRING.
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.

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

&&

LAT...LON 3745 9362 3759 9362 3759 9353 3757 9347
      3755 9343 3753 9343 3749 9353 3746 9357
      3743 9358

$$

GRIFFIN
746 
WGUS73 KSGF 261109
FFSSGF

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
609 AM CDT FRI AUG 26 2016

MOC167-261117-
/O.EXP.KSGF.FF.W.0071.000000T0000Z-160826T1115Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
POLK MO-
609 AM CDT FRI AUG 26 2016

...THE FLASH FLOOD WARNING FOR SOUTHWESTERN POLK COUNTY WILL EXPIRE
AT 615 AM CDT...

FLOOD WATERS HAVE RECEDED...AND ARE NO LONGER EXPECTED TO POSE A
THREAT TO LIFE OR PROPERTY.  HOWEVER...WATER LEVELS MAY REMAIN
ELEVATED IN AREA CREEKS AND STREAMS DURING THE MORNING HOURS TODAY.

PLEASE CONTINUE TO HEED ANY ROAD CLOSURES.

LAT...LON 3745 9362 3759 9362 3759 9353 3757 9347
      3755 9343 3753 9343 3749 9353 3746 9357
      3743 9358

$$

BOXELL

The office that day

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

IssuedProductOfficeCountiesLasted
Aug 25, 7:01 PM CDTSevere Thunderstorm WarningSGFGreene, Polk59 min
Aug 25, 7:14 PM CDTFlash Flood WarningSGFPolk6 hr
Aug 25, 7:17 PM CDTSevere Thunderstorm WarningSGFHickory, Polk28 min
Aug 25, 7:26 PM CDTSevere Thunderstorm WarningSGFNewton50 min
Aug 25, 7:29 PM CDTSevere Thunderstorm WarningSGFDallas, Polk, Webster46 min
Aug 25, 7:49 PM CDTSevere Thunderstorm WarningSGFDallas, Laclede26 min
Aug 25, 7:53 PM CDTSpecial Weather StatementSGFBenton37 min
Aug 25, 7:59 PM CDTSevere Thunderstorm WarningSGFGreene, Polk61 min
Aug 25, 8:10 PM CDTSevere Thunderstorm WarningSGFDallas, Laclede, Webster38 min
Aug 25, 8:18 PM CDTSpecial Weather StatementSGFSt. Clair42 min
Aug 25, 8:30 PM CDTSevere Thunderstorm WarningSGFDade, Greene, Polk26 min
Aug 25, 8:34 PM CDTSpecial Weather StatementSGFLawrence41 min
Aug 25, 8:40 PM CDTSevere Thunderstorm WarningSGFBenton, Hickory, St. Clair21 min
Aug 25, 8:42 PM CDTSpecial Weather StatementSGFCedar48 min
Aug 25, 8:43 PM CDTSevere Thunderstorm WarningSGFCedar47 min
Aug 25, 9:24 PM CDTSpecial Weather StatementSGFCedar, Dade, Polk51 min
Aug 25, 9:29 PM CDTSpecial Weather StatementSGFBenton46 min
Aug 25, 9:48 PM CDTSpecial Weather StatementSGFCedar42 min
Aug 26, 1:07 AM CDTAreal Flood WarningSGFPolk8 hr
Aug 26, 4:14 PM CDTSevere Thunderstorm WarningSGFTexas50 min
Aug 26, 4:52 PM CDTSpecial Weather StatementSGFPhelps38 min

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.