Alert archive / Missouri / Flash Flood Warnings in 2018

Flash Flood Warning 13, NWS Springfield, MO

May 25, 2018Ozark County, Missouri

NWS Springfield, MO issued this flash flood warning at May 25, 2018, 7:32 PM CDT for Ozark County, Missouri. It was in force for 6 hr. 4 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
May 25, 2018, 7:32 PM CDT (00:32 UTC)
Expired
May 26, 2018, 1:30 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

County Ozark County, MO

The radar

The Springfield radar (KSGF), 100 km from the middle of the area, began a volume at 00:34 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
May 25, 7:35 PM CDTFLASH FLOOD2 Sw Thornfield, MOFLOODING AT A HOME BETWEEN LONGRUN AND THORNFIELD IT WAS UP TO THE DECK AT THE HOUSE AND HAS GONE DOWN NOW. TIME ESTIMATED.
May 25, 7:50 PM CDTFLASH FLOOD2 Wsw Thornfield, MOWATER TWO FEET OVER ROAD.
May 25, 8:03 PM CDTFLASH FLOODLong Run, MOWATER TWO FEET OVER ROAD.
May 25, 8:45 PM CDTFLASH FLOOD4 S Gainesville, MO5 SOUTH GAINESVILLE T HWY HAS HALF A FOOT OF MOVING WATER OVER THE ROAD.

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, 0.5 hours before the alert went out and 118 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 2018-05-26Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1200 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 2018-05-26The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 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
1200 J/kg
Mixed-layer CIN
-9 J/kg
Mixed-layer LCL
1246 m above ground
0-6 km bulk shear
13 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

873 
WGUS53 KSGF 260032
FFWSGF
MOC153-260630-
/O.NEW.KSGF.FF.W.0013.180526T0032Z-180526T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
732 PM CDT FRI MAY 25 2018

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Ozark County in southwestern Missouri...

* Until 130 AM CDT

* At 732 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to two inches of rain has
  already fallen. Flash flooding is expected to begin shortly.

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.
  Locations in the warning include...
  Gainesville...                    Bakersfield...
  Theodosia...                      Pontiac...
  Wasola...                         Sundown...
  Brixey...                         Noble...
  Willhoit...                       Tecumseh...
  Udall...                          Hardenville...
  Thornfield...                     Sycamore...
  Dora...                           Rockbridge...
  Long Run...                       Isabella...
  Zanoni...                         

This warning includes but is not limited to the following low water
crossings...
Highway 181 at Bryant Creek northeast of Sycamore...
Route T at Lick Creek 6 miles south of Gainesville...
and Highway 95 at Bryant Creek just east of Rockbridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3681 9276 3679 9212 3650 9212 3650 9277

$$

Burchfield
2 follow-up statements
761 
WGUS73 KSGF 260232
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
932 PM CDT FRI MAY 25 2018

MOC153-260630-
/O.CON.KSGF.FF.W.0013.000000T0000Z-180526T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ozark MO-
932 PM CDT FRI MAY 25 2018

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 130 AM CDT FOR
OZARK COUNTY...

At 931 PM CDT, emergency management reported flash flooding in the
warned area. Up to two inches of rain has already fallen. Flash 
flooding has been reported in several locations in Ozark County. 
Flood waters should begin to recede in the next few hours.

This warning includes but is not limited to the following low water
crossings...
Highway 181 at Bryant Creek northeast of Sycamore...
Route T at Lick Creek 6 miles south of Gainesville...
and Highway 95 at Bryant Creek just east of Rockbridge.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Flash Flood Warning means that flooding is imminent or occurring.
If you are in the warned area move to higher ground immediately.
Residents living along streams and creeks should take immediate
precautions to protect life and property.

&&

LAT...LON 3681 9276 3679 9212 3650 9212 3650 9277

$$

Burchfield
620 
WGUS73 KSGF 260634
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
134 AM CDT SAT MAY 26 2018

MOC153-260644-
/O.EXP.KSGF.FF.W.0013.000000T0000Z-180526T0630Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Ozark MO-
134 AM CDT SAT MAY 26 2018

...THE FLASH FLOOD WARNING FOR OZARK COUNTY HAS EXPIRED...

The threat for rapid rises in water levels has diminished. Flash
flooding is no longer expected to pose a threat to life or property.
Please continue to heed any remaining road closures.

LAT...LON 3681 9276 3679 9212 3650 9212 3650 9277

$$

Foster

The office that day

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

IssuedProductOfficeCountiesLasted
May 25, 7:16 PM CDTSpecial Weather StatementSGFChristian44 min
May 25, 7:27 PM CDTSpecial Weather StatementSGFGreene48 min
May 25, 7:35 PM CDTAreal Flood AdvisorySGFGreene5 hr

Nearby

Flash Flood Warnings in Missouri, 2018Every flash flood warning in 2018

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.