Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 3, NWS Springfield, MO

April 17, 2017Barry County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 17, 2017, 12:26 AM CDT for Barry 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
Apr 17, 2017, 12:26 AM CDT (05:26 UTC)
Expired
Apr 17, 2017, 6:30 AM CDT
In force
6 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

County Barry County, MO

The radar

The Springfield radar (KSGF), 71 km from the middle of the area, began a volume at 05:29 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
Apr 17, 1:05 AM CDTFLASH FLOODCassville, MOEXCESSIVE RAINFALL CAUSED SEVERAL STREETS TO EXPERIENCE FLASH FLOODING IN THE CITY OF CASSVILLE.
Apr 17, 1:08 AM CDTFLASH FLOOD4 Ese Wayne, MOEXCESSIVE RAINFALL CAUSED A LARGE SECTION OF HIGHWAY AA NEAR THE INTERSECTION OF 2212 TO FLOOD. BARRY COUNTY SHERIFFS DEPUTY OBSERVED NEARLY A FOOT OF WATER FLOWING OVER THIS AREA.
Apr 17, 1:08 AM CDTFLASH FLOOD4 Ssw Cassville, MOEXCESSIVE RAINFALL CAUSED A LARGE SECTION OF HIGHWAY AA NEAR THE INTERSECTION OF 2212 TO FLOOD. BARRY COUNTY SHERIFFS DEPUTY OBSERVED NEARLY A FOOT OF WATER FLOWING OVER THIS AREA.
Apr 17, 6:00 AM CDTFLOOD4 Ssw Mcdowell, MOSTATE HIGHWAY U CLOSED BOTH DIRECTIONS DUE TO FLOODING ALONG FLAT CREEK.

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, 5.4 hours before the alert went out and 24 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 2017-04-17Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 214 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 2017-04-17The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 38 square meters per square second.193958Sfc1 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
214 J/kg
Mixed-layer CIN
-39 J/kg
Mixed-layer LCL
1094 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
38 m²/s²
0-3 km storm-relative helicity
60 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.2

Open this sounding in Storm Lab

The text

As transmitted.

232 
WGUS53 KSGF 170526
FFWSGF
MOC009-171130-
/O.NEW.KSGF.FF.W.0003.170417T0526Z-170417T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1226 AM CDT MON APR 17 2017

The National Weather Service in Springfield has issued a

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

* Until 630 AM CDT Monday

* At 1225 AM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Up to three inches of rain has 
  already fallen in western portions of Barry County. 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...
  Roaring River State Park...       Cassville...
  Shell Knob...                     Purdy...
  Seligman...                       Exeter...
  Wheaton...                        Butterfield...
  Washburn...                       Golden...
  Emerald Beach...                  Eagle Rock...
  Pioneer...                        Chain-O-Lakes...
  Arrow Point...                    Wayne...
  Mcdowell...                       Ridgley...

This warning includes but is not limited to the following low water
crossings...
Route Y at Flat Creek just northeast of Cassville...
Route C just south of Mcdowell...
Route U, 8 miles east of Purdy...
Route U, 1 Mile east of Butterfield...
and Highway 76, 1 Mile southwest of Cassville.

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 3650 9407 3691 9406 3681 9391 3684 9384
      3683 9372 3680 9371 3668 9379 3664 9373
      3662 9365 3662 9358 3650 9358

$$

Cramer
2 follow-up statements
397 
WGUS73 KSGF 170725
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
225 AM CDT MON APR 17 2017

MOC009-171130-
/O.CON.KSGF.FF.W.0003.000000T0000Z-170417T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barry MO-
225 AM CDT MON APR 17 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR
BARRY COUNTY...

At 225 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 begin shortly.

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 3650 9407 3691 9406 3681 9391 3684 9384
      3683 9372 3680 9371 3668 9379 3664 9373
      3662 9365 3662 9358 3650 9358

$$

Cramer
987 
WGUS73 KSGF 170751
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
251 AM CDT MON APR 17 2017

MOC009-171130-
/O.CON.KSGF.FF.W.0003.000000T0000Z-170417T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Barry MO-
251 AM CDT MON APR 17 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 630 AM CDT FOR
BARRY COUNTY...

At 251 AM CDT, local law enforcement reported flash flooding in the
warned area. Up to three 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.
Locations in the warning include...
Roaring River State Park...       Cassville...
Shell Knob...                     Purdy...
Seligman...                       Exeter...
Wheaton...                        Butterfield...
Washburn...                       Golden...
Emerald Beach...                  Eagle Rock...
Pioneer...                        Chain-O-Lakes...
Arrow Point...                    Wayne...
Mcdowell...                       Ridgley...

This warning includes but is not limited to the following low water
crossings...
Route Y at Flat Creek just northeast of Cassville...
Route C just south of Mcdowell...
Route U, 8 miles east of Purdy...
Route U, 1 Mile east of Butterfield...
and Highway 76, 1 Mile southwest of Cassville.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3650 9407 3691 9406 3681 9391 3684 9384
      3683 9372 3680 9371 3668 9379 3664 9373
      3662 9365 3662 9358 3650 9358

$$

Cramer

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 16, 9:36 PM CDTSevere Thunderstorm WarningSGFNewton39 min
Apr 16, 9:58 PM CDTSevere Thunderstorm WarningSGFBarry20 min
Apr 16, 10:14 PM CDTSevere Thunderstorm WarningSGFMcDonald46 min
Apr 16, 10:55 PM CDTFlash Flood WarningSGFMcDonald, Newton6 hr
Apr 16, 11:17 PM CDTFlash Flood WarningSGFMcDonald, Newton6 hr
Apr 17, 4:49 AM CDTAreal Flood WarningSGFBarry, McDonald, Newton7 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.