Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 33, NWS Springfield, MO

April 29, 2017Howell County, Oregon County, Shannon County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 29, 2017, 11:54 PM CDT for Howell County, Oregon County, Shannon County, Missouri. It was in force for 22 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: Apr 29, 2017, 11:54 PM CDT (04:54 UTC)
Expired: Apr 30, 2017, 10:00 PM CDT
In force: 22 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Howell County, MO, Oregon County, MO, Shannon County, MO

The radar

The Springfield radar (KSGF), 187 km from the middle of the area, began a volume at 04:54 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

Little Rock, AR (KBYH), launched 00:00Z, 4.9 hours before the alert went out and 277 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1699 J/kg
Mixed-layer CIN: -9 J/kg
Mixed-layer LCL: 993 m above ground
0-6 km bulk shear: 33 kt
0-1 km storm-relative helicity: 137 m²/s²
0-3 km storm-relative helicity: 210 m²/s²
Significant tornado parameter: 1.2
Supercell composite: 11.6

Open this sounding in Storm Lab

The text

As transmitted.

119 
WGUS53 KSGF 300454
FFWSGF
MOC091-149-203-301700-
/O.NEW.KSGF.FF.W.0033.170430T0454Z-170430T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1154 PM CDT SAT APR 29 2017

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Shannon County in south central Missouri...
  Howell County in south central Missouri...
  Oregon County in south central Missouri...

* Until noon CDT Sunday

* At 1153 PM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Doppler radar indicated
  thunderstorms producing heavy rain across the warned area. 
  Generally 4 to 8 inches of rain locally more has fallen. Ongoing
  flash flooding is expected to continue through the overnight and
  into Sunday morning.

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.
  Locations in the warning include...
  West Plains...                    Current River State Park...
  Grand Gulf State Park...          Mountain View...
  Thayer...                         Willow Springs...
  Winona...                         Alton...
  Birch Tree...                     Eminence...
  Pomona...                         Summersville...
  South Fork...                     Koshkonong...
  Brandsville...                    Montier...
  Thomasville...                    Lanton...
  Teresita...                       Myrtle...

This warning includes but is not limited to the following low water
crossings...
Route H, 3 miles east of Winona...
Highway 142 at The Spring River west of Lanton...
Highway 142 at The Bennetts River west of Moody...
Route K, 3 miles southwest of Pottersville...
and Route H at Rocky Creek 6 miles northeast of Winona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

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 3708 9122 3683 9123 3682 9111 3650 9113
      3650 9212 3705 9209 3705 9166 3742 9164
      3741 9118 3726 9116 3725 9112 3720 9112
      3720 9109 3718 9109 3714 9102 3709 9102

$$

Frye

2 follow-up statements

008 
WGUS73 KSGF 301559
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1059 AM CDT SUN APR 30 2017

MOC091-149-203-301700-
/O.CON.KSGF.FF.W.0033.000000T0000Z-170430T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shannon MO-Howell MO-Oregon MO-
1059 AM CDT SUN APR 30 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
SHANNON...HOWELL AND OREGON COUNTIES...

At 1059 AM CDT, The Department of Transportation reported flash 
flooding in the warned area. Doppler radar was showing that between 
4 and 8 inches of rain has fallen with this storm system. Flash 
flooding is continuing.

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.

This warning includes but is not limited to the following low water
crossings...
Route H, 3 miles east of Winona...
Highway 142 at The Spring River west of Lanton...
Highway 142 at The Bennetts River west of Moody...
Route K, 3 miles southwest of Pottersville...
and Route H at Rocky Creek 6 miles northeast of Winona.

There are quite a few sections of state highways and county roads 
have areas which are impassible and are closed due to flooding.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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 3708 9122 3683 9123 3682 9111 3650 9113
      3650 9212 3705 9209 3705 9166 3742 9164
      3741 9118 3726 9116 3725 9112 3720 9112
      3720 9109 3718 9109 3714 9102 3709 9102

$$

Lindenberg

723 
WGUS53 KSGF 301641
FFWSGF
MOC091-149-203-010300-
/O.EXT.KSGF.FF.W.0033.000000T0000Z-170501T0300Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1141 AM CDT SUN APR 30 2017

The National Weather Service in Springfield has extended the

* Flash Flood Warning for...
  Shannon County in south central Missouri...
  Howell County in south central Missouri...
  Oregon County in south central Missouri...

* Until 1000 PM CDT Sunday

* At 1139 AM CDT, The Department of Transportation reported flash 
  flooding across the warned area. Many low water crossings remain 
  in flood with rising waters continuing along rivers and streams. 
  Doppler radar indicated between three and nine inches of rainfall 
  occurred with this storm system.

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.

This warning includes but is not limited to the following low water
crossings...
Route H, 3 miles east of Winona...
Highway 142 at The Spring River west of Lanton...
Highway 142 at The Bennetts River west of Moody...
Route K, 3 miles southwest of Pottersville...
and Route H at Rocky Creek 6 miles northeast of Winona.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

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 3708 9122 3683 9123 3682 9111 3650 9113
      3650 9212 3705 9209 3705 9166 3742 9164
      3741 9118 3726 9116 3725 9112 3720 9112
      3720 9109 3718 9109 3714 9102 3709 9102

$$

Lindenberg

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 29, 8:53 PM CDT	Severe Thunderstorm Warning	SGF	Barton, Vernon	32 min
Apr 29, 9:56 PM CDT	Special Weather Statement	SGF	Stone	49 min
Apr 29, 11:09 PM CDT	Special Weather Statement	SGF	Jasper	51 min
Apr 29, 11:11 PM CDT	Areal Flood Warning	SGF	Barton, Benton, Camden, Cedar, Dade, Hickory and 4 more	12 hr
Apr 29, 11:13 PM CDT	Areal Flood Warning	SGF	Camden, Dallas, Hickory, Laclede, Maries, Miller and 4 more	12 hr
Apr 29, 11:39 PM CDT	Flash Flood Warning	SGF	Barry, Barton, Dade, Jasper, Lawrence, McDonald and 2 more	12 hr
Apr 29, 11:41 PM CDT	Flash Flood Warning	SGF	Douglas, Ozark, Taney	12 hr
Apr 29, 11:57 PM CDT	Flash Flood Warning	SGF	Dallas, Dent, Laclede, Phelps, Pulaski, Texas and 1 more	22 hr
Apr 30, 12:01 AM CDT	Flash Flood Warning	SGF	Christian, Greene, Webster	12 hr
Apr 30, 5:13 AM CDT	Special Weather Statement	SGF	Dade	47 min
Apr 30, 11:13 AM CDT	Areal Flood Warning	SGF	Camden, Dallas, Hickory, Laclede, Maries, Miller and 4 more	57 hr
Apr 30, 11:16 AM CDT	Areal Flood Warning	SGF	Barton, Benton, Camden, Cedar, Dade, Hickory and 4 more	57 hr
Apr 30, 11:26 AM CDT	Areal Flood Warning	SGF	Barry, Barton, Dade, Jasper, Lawrence, McDonald and 1 more	57 hr
Apr 30, 11:35 AM CDT	Flash Flood Warning	SGF	Christian, Douglas, Greene, Ozark, Stone, Taney and 1 more	10 hr
Apr 30, 12:04 PM CDT	Flash Flood Warning	SGF	Miller	12 hr
Apr 30, 12:19 PM CDT	Flash Flood Warning	SGF	Taney	24 hr

Nearby

Flash Flood Warnings in Missouri, 2017 Every 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.