Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 17, NWS Springfield, MO

April 29, 20174 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Apr 29, 2017, 4:19 AM CDT for 4 counties in Missouri. It was in force for 8 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, 4:19 AM CDT (09:19 UTC)
Expired: Apr 29, 2017, 12:15 PM CDT
In force: 8 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Dent County, MO, Howell County, MO, Shannon County, MO, Texas County, MO

The radar

The St Louis radar (KLSX), 177 km from the middle of the area, began a volume at 09:20 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

Springfield, MO (KSGF), launched 00:00Z, 9.3 hours before the alert went out and 219 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: 65 J/kg
Mixed-layer CIN: -331 J/kg
Mixed-layer LCL: 506 m above ground
0-6 km bulk shear: 74 kt
0-1 km storm-relative helicity: 55 m²/s²
0-3 km storm-relative helicity: 72 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

The text

As transmitted.

754 
WGUS53 KSGF 290919
FFWSGF
MOC065-091-203-215-291715-
/O.NEW.KSGF.FF.W.0017.170429T0919Z-170429T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

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

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Shannon County in south central Missouri...
  South central Dent County in south central Missouri...
  Northern Howell County in south central Missouri...
  Southeastern Texas County in south central Missouri...

* Until 1215 PM CDT Saturday

* At 418 AM 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...
  Current River State Park...       Mountain View...
  Willow Springs...                 Winona...
  Birch Tree...                     Eminence...
  Pomona...                         Summersville...
  Montier...                        Peace Valley...
  Teresita...                       Midridge...
  Alley Spring...                   Round Spring...
  West Eminence...                  Akers...
  Pine Crest...                     

This warning includes but is not limited to the following low water
crossings...
Route H, 3 miles east of Winona...
Route H at Rocky Creek 6 miles northeast of Winona...
Route H at Thomas Hollow 8 miles northeast of Winona...
Route Y, 4 miles northwest of Mountain View...
and Route U, 6 miles east of Willow Springs.

Additional rainfall amounts of two to three inches will be possible 
in the warned area through this morning.

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 3709 9112 3708 9122 3697 9122 3680 9209
      3707 9209 3707 9167 3743 9165 3744 9121
      3741 9121 3741 9117 3732 9118 3731 9116
      3726 9116 3725 9113

$$

Terry

1 follow-up statement

956 
WGUS73 KSGF 291242
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
742 AM CDT SAT APR 29 2017

MOC065-091-203-215-291715-
/O.CON.KSGF.FF.W.0017.000000T0000Z-170429T1715Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Shannon MO-Dent MO-Howell MO-Texas MO-
742 AM CDT SAT APR 29 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1215 PM CDT FOR
SHANNON...SOUTH CENTRAL DENT...NORTHERN HOWELL AND SOUTHEASTERN TEXAS
COUNTIES...

At 740 AM CDT, Doppler radar indicated thunderstorms producing heavy 
rain across the warned area. Up to four 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.

This warning includes but is not limited to the following low water
crossings...
Route H, 3 miles east of Winona...
Route H at Rocky Creek 6 miles northeast of Winona...
Route H at Thomas Hollow 8 miles northeast of Winona...
Route Y, 4 miles northwest of Mountain View...
and Route U, 6 miles east of Willow Springs.

Additional rainfall amounts of one to two inches will be possible in 
the warned area this morning. Rainfall is expected to continue 
through the day. 

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 3709 9112 3708 9122 3697 9122 3680 9209
      3707 9209 3707 9167 3743 9165 3744 9121
      3741 9121 3741 9117 3732 9118 3731 9116
      3726 9116 3725 9113

$$

Terry

The office that day

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

Issued	Product	Office	Counties	Lasted
Apr 28, 9:49 PM CDT	Special Weather Statement	SGF	Wright	41 min
Apr 28, 9:52 PM CDT	Special Weather Statement	SGF	Christian, Webster	38 min
Apr 28, 10:12 PM CDT	Severe Thunderstorm Warning	SGF	Texas, Wright	48 min
Apr 28, 10:43 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	62 min
Apr 28, 10:58 PM CDT	Severe Thunderstorm Warning	SGF	Ozark	47 min
Apr 28, 11:04 PM CDT	Severe Thunderstorm Warning	SGF	Taney	41 min
Apr 28, 11:10 PM CDT	Severe Thunderstorm Warning	SGF	Barry	50 min
Apr 28, 11:22 PM CDT	Severe Thunderstorm Warning	SGF	Texas	23 min
Apr 28, 11:37 PM CDT	Severe Thunderstorm Warning	SGF	Douglas, Ozark, Taney	53 min
Apr 28, 11:39 PM CDT	Severe Thunderstorm Warning	SGF	Dent, Shannon, Texas	66 min
Apr 28, 11:40 PM CDT	Flash Flood Warning	SGF	Ozark, Taney	24 hr
Apr 28, 11:40 PM CDT	Flash Flood Warning	SGF	Barry, McDonald, Stone	24 hr
Apr 28, 11:46 PM CDT	Severe Thunderstorm Warning	SGF	Stone, Taney	44 min
Apr 28, 11:56 PM CDT	Flash Flood Warning	SGF	Douglas, Texas, Wright	12 hr
Apr 29, 12:14 AM CDT	Flash Flood Warning	SGF	Dent	24 hr
Apr 29, 12:22 AM CDT	Flash Flood Warning	SGF	Lawrence, Newton	24 hr
Apr 29, 12:23 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Howell, Texas	67 min
Apr 29, 1:32 AM CDT	Flash Flood Warning	SGF	Christian, Greene, Webster	23 hr
Apr 29, 1:38 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	52 min
Apr 29, 2:22 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Stone, Taney	53 min
Apr 29, 2:28 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	47 min
Apr 29, 2:59 AM CDT	Severe Thunderstorm Warning	SGF	Christian, Douglas, Webster, Wright	46 min
Apr 29, 3:01 AM CDT	Severe Thunderstorm Warning	SGF	Barry, Stone	21 min
Apr 29, 3:33 AM CDT	Severe Thunderstorm Warning	SGF	Douglas, Laclede, Texas, Webster, Wright	27 min
Apr 29, 3:53 AM CDT	Severe Thunderstorm Warning	SGF	McDonald, Newton	52 min
Apr 29, 4:14 AM CDT	Flash Flood Warning	SGF	Dallas, Laclede, Phelps, Pulaski	20 hr
Apr 29, 5:02 AM CDT	Flash Flood Warning	SGF	Barton, Dade, Jasper	7 hr
Apr 29, 8:16 AM CDT	Flash Flood Warning Emergency	SGF	McDonald	6 hr
Apr 29, 8:26 AM CDT	Flash Flood Warning	SGF	Camden, Dallas, Hickory, Laclede, Maries, Miller and 4 more	6 hr
Apr 29, 9:37 AM CDT	Flash Flood Warning Emergency	SGF	Newton	6 hr
Apr 29, 11:11 AM CDT	Areal Flood Warning	SGF	Barton, Benton, Camden, Cedar, Dade, Hickory and 4 more	12 hr
Apr 29, 11:56 AM CDT	Flash Flood Warning	SGF	Douglas, Texas, Wright	12 hr
Apr 29, 11:58 AM CDT	Flash Flood Warning	SGF	Barton, Dade, Jasper	12 hr
Apr 29, 12:11 PM CDT	Flash Flood Warning	SGF	Dent, Howell, Shannon, Texas	12 hr
Apr 29, 12:35 PM CDT	Flash Flood Warning Emergency	SGF	Barry	6 hr
Apr 29, 12:51 PM CDT	Flash Flood Warning Emergency	SGF	Greene	6 hr
Apr 29, 2:14 PM CDT	Special Weather Statement	SGF	Douglas	46 min
Apr 29, 3:04 PM CDT	Flash Flood Warning Emergency	SGF	Taney	6 hr
Apr 29, 3:56 PM CDT	Flash Flood Warning	SGF	Howell, Ozark	9 hr
Apr 29, 4:18 PM CDT	Areal Flood Warning	SGF	Camden, Dallas, Hickory, Laclede, Maries, Miller and 4 more	7 hr
Apr 29, 4:32 PM CDT	Severe Thunderstorm Warning	SGF	Howell, Oregon	43 min
Apr 29, 5:00 PM CDT	Special Weather Statement	SGF	Ozark	45 min
Apr 29, 5:06 PM CDT	Severe Thunderstorm Warning	SGF	Oregon, Shannon	24 min
Apr 29, 5:38 PM CDT	Flash Flood Warning Emergency	SGF	Howell, Ozark	5 hr
Apr 29, 5:45 PM CDT	Special Weather Statement	SGF	Howell	45 min
Apr 29, 6:28 PM CDT	Special Weather Statement	SGF	Oregon	62 min
Apr 29, 6:50 PM CDT	Flash Flood Warning	SGF	Oregon, Shannon	6 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.