Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 36, NWS Springfield, MO

April 30, 20177 counties in Missouri

NWS Springfield, MO issued this flash flood warning at Apr 30, 2017, 11:35 AM CDT for 7 counties in Missouri. It was in force for 10 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 30, 2017, 11:35 AM CDT (16:35 UTC)
Expired
Apr 30, 2017, 9:30 PM CDT
In force
10 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Christian County, MO, Douglas County, MO, Greene County, MO, Ozark County, MO, Stone County, MO, Taney County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 50 km from the middle of the area, began a volume at 16:38 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 12:00Z, 4.6 hours before the alert went out and 86 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 2017-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 65 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Springfield, MO at 12:00Z on 2017-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 371 square meters per square second.1939587897Sfc1 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
65 J/kg
Mixed-layer CIN
-102 J/kg
Mixed-layer LCL
480 m above ground
0-6 km bulk shear
50 kt
0-1 km storm-relative helicity
371 m²/s²
0-3 km storm-relative helicity
389 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.8

Open this sounding in Storm Lab

The text

As transmitted.

863 
WGUS53 KSGF 301635
FFWSGF
MOC043-067-077-153-209-213-225-010230-
/O.NEW.KSGF.FF.W.0036.170430T1635Z-170501T0230Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1135 AM CDT SUN APR 30 2017

The National Weather Service in Springfield has issued a

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

* Until 930 PM CDT Sunday

* At 1131 AM CDT, The Department of Transportation reported flash 
  flooding across the warned area.  Water continues to rise across 
  some of the area rivers and streams with some major or record 
  crests expected.  Doppler radar estimated that between four to 
  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 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 Route FF at Hunter Creek east of Ava.

Many low water crossings remain in flood with road closures.

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 3743 9362 3742 9308 3749 9306 3748 9269
      3707 9268 3705 9209 3652 9212 3651 9212
      3650 9358

$$

Lindenberg

The office that day

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

IssuedProductOfficeCountiesLasted
Apr 29, 8:53 PM CDTSevere Thunderstorm WarningSGFBarton, Vernon32 min
Apr 29, 9:56 PM CDTSpecial Weather StatementSGFStone49 min
Apr 29, 11:09 PM CDTSpecial Weather StatementSGFJasper51 min
Apr 29, 11:11 PM CDTAreal Flood WarningSGFBarton, Benton, Camden, Cedar, Dade, Hickory and 4 more12 hr
Apr 29, 11:13 PM CDTAreal Flood WarningSGFCamden, Dallas, Hickory, Laclede, Maries, Miller and 4 more12 hr
Apr 29, 11:39 PM CDTFlash Flood WarningSGFBarry, Barton, Dade, Jasper, Lawrence, McDonald and 2 more12 hr
Apr 29, 11:41 PM CDTFlash Flood WarningSGFDouglas, Ozark, Taney12 hr
Apr 29, 11:54 PM CDTFlash Flood WarningSGFHowell, Oregon, Shannon22 hr
Apr 29, 11:57 PM CDTFlash Flood WarningSGFDallas, Dent, Laclede, Phelps, Pulaski, Texas and 1 more22 hr
Apr 30, 12:01 AM CDTFlash Flood WarningSGFChristian, Greene, Webster12 hr
Apr 30, 5:13 AM CDTSpecial Weather StatementSGFDade47 min
Apr 30, 11:13 AM CDTAreal Flood WarningSGFCamden, Dallas, Hickory, Laclede, Maries, Miller and 4 more57 hr
Apr 30, 11:16 AM CDTAreal Flood WarningSGFBarton, Benton, Camden, Cedar, Dade, Hickory and 4 more57 hr
Apr 30, 11:26 AM CDTAreal Flood WarningSGFBarry, Barton, Dade, Jasper, Lawrence, McDonald and 1 more57 hr
Apr 30, 12:04 PM CDTFlash Flood WarningSGFMiller12 hr
Apr 30, 12:19 PM CDTFlash Flood WarningSGFTaney24 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.