Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 7, NWS Springfield, MO

April 21, 20174 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Apr 21, 2017, 11:00 AM CDT for 4 counties in Missouri. It was in force for 12 hr. 7 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 21, 2017, 11:00 AM CDT (16:00 UTC)
Expired
Apr 21, 2017, 11:00 PM CDT
In force
12 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Christian County, MO, Greene County, MO, Stone County, MO, Taney County, MO

The radar

The Springfield radar (KSGF), 42 km from the middle of the area, began a volume at 16:00 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 21, 11:15 AM CDTFLASH FLOOD1 N Bradleyville, MOBEAVER CREEK OUT OF ITS BANKS ON OLD CHEESE PLANT ROAD. CONCRETE SLAB IS FLOODED. ESTIMATED 400 FEET WIDE AND INCREASING.
Apr 21, 2:46 PM CDTFLOOD2 Wnw Branson, MOROARK VALLEY ROAD CLOSED BETWEEN TRUMAN AND FORSYTH ROADS IN BRANSON. JUPITER AND CAUDILL ROADS ALSO CLOSED WITH LOW WATER CROSSING COVERED WITH WATER.
Apr 21, 3:15 PM CDTFLOOD3 Sse Kirbyville, MOROUTE J CLOSED DUE TO HIGH WATER.
Apr 21, 3:29 PM CDTFLOOD1 Nw Reeds Spring, MORAILY CREEK RD CLOSED DUE TO HIGH WATER.
Apr 21, 3:45 PM CDTFLOOD1 E Hollister, MOCOON CREEK (BB-30/76-100) AT THE LOW WATER CROSSING IS CLOSED DUE TO HIGH WATER. SEVERAL OTHER ROADS ACROSS TANEY COUNTY CLOSED TO HIGH WATER.
Apr 21, 4:55 PM CDTFLASH FLOOD3 Nne Bruner, MOSWIFT WATER RESCUE ONGOING WITH A CAR UNDER WATER NEAR OTTAWA ROAD AND N. MARSHFIELD ROAD. ONE FEMALE IS IN THE WATER AND UNKNOWN STATUS AT THIS TIME. ONE MALE WAS ABLE TO GET OUT OF THE WATER.
Apr 21, 6:10 PM CDTFLOOD4 Wnw Rogersville, MOMO-125 CLOSED DUE TO FLOODING.

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 12:00Z, 4.0 hours before the alert went out and 51 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 12:00Z on 2017-04-21Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 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 12:00Z on 2017-04-21The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -171 square meters per square second.19395878Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
637 m above ground
0-6 km bulk shear
55 kt
0-1 km storm-relative helicity
-171 m²/s²
0-3 km storm-relative helicity
-150 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

506 
WGUS53 KSGF 211600
FFWSGF
MOC043-077-209-213-220400-
/O.NEW.KSGF.FF.W.0007.170421T1600Z-170422T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1100 AM CDT FRI APR 21 2017

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Christian County in southwestern Missouri...
  Taney County in southwestern Missouri...
  Stone County in southwestern Missouri...
  Greene County in southwestern Missouri...

* Until 1100 PM CDT Friday

* At 1059 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 as 
  moderate to heavy rain moves in from the west. 

* Creeks, streams, and low water crossings will be especially
  susceptible to the dangers of flash flooding.
  Locations in the warning include...
  Springfield...                    Nixa...
  Ozark...                          Republic...
  Branson...                        Table Rock State Park...
  Battlefield...                    Willard...
  Hollister...                      Rogersville...
  Silver Dollar City...             Kimberling City...
  Strafford...                      Forsyth...
  Clever...                         Merriam Woods...
  Sparta...                         Ash Grove...
  Crane...                          Fair Grove...

This warning includes but is not limited to the following low water
crossings...
Route CC west of Fair Grove at The Pomme De Terre River...
Highway 13 at Railey Creek near Reeds Spring...
Highway 13 at Pine Run northwest of Galena...
Route U at Pedelo Creek northeast of Sparta...
and Scenic Avenue in southwest Springfield.

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 3650 9358 3682 9358 3683 9361 3743 9362
      3741 9308 3709 9306 3708 9290 3681 9291
      3680 9277 3650 9278

$$

Cramer
1 follow-up statement
069 
WGUS73 KSGF 212018
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
318 PM CDT FRI APR 21 2017

MOC043-077-209-213-220400-
/O.CON.KSGF.FF.W.0007.000000T0000Z-170422T0400Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Christian MO-Taney MO-Stone MO-Greene MO-
318 PM CDT FRI APR 21 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1100 PM CDT FRIDAY
FOR CHRISTIAN...TANEY...STONE AND GREENE COUNTIES...

At 317 PM CDT, Doppler radar indicated thunderstorms developing over 
Oklahoma, which will track into portions of southern Missouri this 
evening. Up to three inches of rain has already fallen. Flash 
flooding is ongoing, which could become worse with additional rain 
expected this evening. 

This warning includes but is not limited to the following low water
crossings...
Route CC west of Fair Grove at The Pomme De Terre River...
Highway 13 at Railey Creek near Reeds Spring...
Highway 13 at Pine Run northwest of Galena...
Route U at Pedelo Creek northeast of Sparta...
and Scenic Avenue in southwest Springfield.

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 3650 9358 3682 9358 3683 9361 3743 9362
      3741 9308 3709 9306 3708 9290 3681 9291
      3680 9277 3650 9278

$$

Cramer

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 20, 8:36 PM CDTRiver Flood WarningSGFVernon5 days
Apr 21, 5:45 AM CDTAreal Flood WarningSGFBarry, McDonald, Newton8 hr
Apr 21, 8:25 AM CDTAreal Flood WarningSGFHowell, Oregon, Shannon12 hr
Apr 21, 8:32 AM CDTRiver Flood WarningSGFMcDonald65 hr
Apr 21, 8:56 AM CDTRiver Flood WarningSGFCedar3 days
Apr 21, 8:56 AM CDTRiver Flood WarningSGFBates, Vernon6 days
Apr 21, 8:56 AM CDTRiver Flood WarningSGFVernon5 days
Apr 21, 9:09 AM CDTRiver Flood WarningSGFPulaski41 hr
Apr 21, 9:09 AM CDTRiver Flood WarningSGFPulaski66 hr
Apr 21, 9:09 AM CDTRiver Flood WarningSGFPhelps3 days
Apr 21, 9:13 AM CDTFlash Flood WarningSGFJasper12 hr
Apr 21, 9:16 AM CDTFlash Flood WarningSGFBarry, McDonald, Newton12 hr
Apr 21, 10:16 AM CDTRiver Flood WarningSGFStone62 hr
Apr 21, 10:17 AM CDTAreal Flood WarningSGFBarton12 hr
Apr 21, 10:40 AM CDTFlash Flood WarningSGFLawrence12 hr
Apr 21, 11:53 AM CDTAreal Flood WarningSGFCedar, Dade, Polk, Vernon12 hr
Apr 21, 1:07 PM CDTAreal Flood WarningSGFDouglas, Ozark12 hr
Apr 21, 1:54 PM CDTAreal Flood WarningSGFDallas, Laclede, Shannon, Texas, Webster, Wright12 hr
Apr 21, 2:28 PM CDTRiver Flood WarningSGFJasper55 hr
Apr 21, 2:28 PM CDTRiver Flood WarningSGFJasper3 days
Apr 21, 6:19 PM CDTFlash Flood WarningSGFDouglas, Howell, Oregon, Ozark, Shannon, Texas and 1 more12 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.