Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 62, NWS Springfield, MO

July 27, 2017Benton County, St. Clair County, Vernon County, Missouri

NWS Springfield, MO issued this flash flood warning at Jul 27, 2017, 5:27 AM CDT for Benton County, St. Clair County, Vernon County, Missouri. It was in force for 7 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 27, 2017, 5:27 AM CDT (10:27 UTC)
Expired
Jul 27, 2017, 12:30 PM CDT
In force
7 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Benton County, MO, St. Clair County, MO, Vernon County, MO

The radar

The Springfield radar (KSGF), 95 km from the middle of the area, began a volume at 10:27 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 27, 5:57 AM CDTFLASH FLOODAppleton City, MOST. CLAIR COUNTY SHERIFFS DEPARTMENT OBSERVED FLASH FLOODING ON NUMEROUS ROADWAYS IN AND AROUND THE APPLETON CITY AREA.

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, 10.5 hours before the alert went out and 128 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 2017-07-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 1454 joules per kilogram.LCLEL10008507005003002001001 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 2017-07-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 10 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
1454 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
1530 m above ground
0-6 km bulk shear
22 kt
0-1 km storm-relative helicity
10 m²/s²
0-3 km storm-relative helicity
55 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

440 
WGUS53 KSGF 271027
FFWSGF
MOC015-185-217-271730-
/O.NEW.KSGF.FF.W.0062.170727T1027Z-170727T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
527 AM CDT THU JUL 27 2017

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Benton County in central Missouri...
  Vernon County in west central Missouri...
  St. Clair County in west central Missouri...

* Until 1230 PM CDT Thursday

* At 525 AM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across portions of west central Missouri. Up to two 
  inches of rain has already fallen. Flash flooding is expected to 
  begin shortly over areas of St. Clair, Benton, and Vernon counties 
  as another one to three inches of rain falls within the next few 
  hours.

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.
  Locations in the warning include...
  Truman State Park...              Nevada...
  Warsaw...                         Lincoln...
  Appleton City...                  Cole Camp...
  Osceola...                        Lowry City...
  Sheldon...                        Montevallo...
  Walker...                         Schell City...
  Bronaugh...                       Collins...
  Moundville...                     Roscoe...
  Richards...                       Milo...
  Ionia...                          Deerfield...

This warning includes but is not limited to the following low water
crossings...
Route V at Deer Creek near Hastain...
Route DD at Knobby Creek 6 miles northeast of Edwards...
Route J at Brush Creek 6 miles west of Collins...
Highway 54, 3 miles east of Deerfield...
and Route KK at Dry Wood Creek 5 miles northwest of Moundville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3853 9307 3807 9306 3807 9350 3792 9351
      3791 9357 3783 9357 3783 9381 3789 9381
      3790 9407 3764 9408 3765 9462 3806 9461
      3803 9406 3821 9405 3821 9353 3851 9351

$$

Cramer
2 follow-up statements
043 
WGUS73 KSGF 271246
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
746 AM CDT THU JUL 27 2017

MOC015-185-217-271730-
/O.CON.KSGF.FF.W.0062.000000T0000Z-170727T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton MO-Vernon MO-St. Clair MO-
746 AM CDT THU JUL 27 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1230 PM CDT FOR
BENTON...VERNON AND ST. CLAIR COUNTIES...

At 745 AM CDT, Doppler radar indicated thunderstorms producing heavy
rain across the warned area. Up to three inches of rain has already 
fallen. Flash flooding is expected to continue through the morning 
hours over a few areas of west central Missouri. 

This warning includes but is not limited to the following low water
crossings...
Route V at Deer Creek near Hastain...
Route DD at Knobby Creek 6 miles northeast of Edwards...
Route J at Brush Creek 6 miles west of Collins...
Highway 54, 3 miles east of Deerfield...
and Route KK at Dry Wood Creek 5 miles northwest of Moundville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

In hilly terrain there are hundreds of low water crossings which are
potentially dangerous in heavy rain. Do not attempt to cross flooded
roads. Find an alternate route.

&&

LAT...LON 3853 9307 3807 9306 3807 9350 3792 9351
      3791 9357 3783 9357 3783 9381 3789 9381
      3790 9407 3764 9408 3765 9462 3806 9461
      3803 9406 3821 9405 3821 9353 3851 9351

$$

Cramer
724 
WGUS73 KSGF 271648 RRA
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1148 AM CDT THU JUL 27 2017

MOC015-185-217-271658-
/O.CAN.KSGF.FF.W.0062.000000T0000Z-170727T1730Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Benton MO-Vernon MO-St. Clair MO-
1148 AM CDT THU JUL 27 2017

...THE FLASH FLOOD WARNING FOR BENTON...VERNON AND ST. CLAIR COUNTIES
IS CANCELLED...

The heavy rain has ended. 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 3853 9307 3807 9306 3807 9350 3792 9351
      3791 9357 3783 9357 3783 9381 3789 9381
      3790 9407 3764 9408 3765 9462 3806 9461
      3803 9406 3821 9405 3821 9353 3851 9351

$$

Wise

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 27, 6:12 AM CDTFlash Flood WarningSGFCamden, Cedar, Dallas, Hickory, Polk7 hr

Nearby

Flash Flood Warnings in Missouri, 2017Every flash flood warning in 2017

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.