Alert archive / Missouri / Flash Flood Warnings in 2017

Flash Flood Warning 35, NWS Springfield, MO

April 30, 2017Christian County, Greene County, Webster County, Missouri

NWS Springfield, MO issued this flash flood warning at Apr 30, 2017, 12:01 AM CDT for Christian County, Greene County, Webster County, Missouri. It was in force for 12 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, 12:01 AM CDT (05:01 UTC)
Expired
Apr 30, 2017, 12:00 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, Webster County, MO

The radar

The Springfield radar (KSGF), 26 km from the middle of the area, began a volume at 05:00 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.

The nearest sounding before it

Topeka, KS (KFOE), launched 00:00Z, 5.0 hours before the alert went out and 302 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, Topeka, KS at 00:00Z on 2017-04-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 105 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Topeka, KS at 00:00Z on 2017-04-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 429 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
105 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
440 m above ground
0-6 km bulk shear
73 kt
0-1 km storm-relative helicity
429 m²/s²
0-3 km storm-relative helicity
415 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

701 
WGUS53 KSGF 300501
FFWSGF
MOC043-077-225-301700-
/O.NEW.KSGF.FF.W.0035.170430T0501Z-170430T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
1201 AM CDT SUN APR 30 2017

The National Weather Service in Springfield has issued a

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

* Until noon CDT Sunday

* At 1200 AM CDT, Doppler radar indicated thunderstorms producing
  heavy rain across the warned area. Doppler radar indicated
  thunderstorms producing heavy rain across the warned area. 
  Generally 3 to 6 inches of rain 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...
  Springfield...                    Nixa...
  Ozark...                          Republic...
  Marshfield...                     Battlefield...
  Willard...                        Rogersville...
  Strafford...                      Clever...
  Seymour...                        Sparta...
  Ash Grove...                      Fair Grove...
  Billings...                       Highlandville...
  Fremont Hills...                  Fordland...
  Walnut Grove...                   Niangua...

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...
Route U at Pedelo Creek northeast of Sparta...
Scenic Avenue in southwest Springfield...
Route C at The Little Sac River north of Strafford...
and Greenwood Road at The Pomme de Terre Headwaters.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 3682 9334 3699 9334 3700 9361 3743 9362
      3742 9308 3749 9307 3748 9269 3707 9268
      3707 9291 3681 9291

$$

Frye
1 follow-up statement
108 
WGUS73 KSGF 301602
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
1102 AM CDT SUN APR 30 2017

MOC043-077-225-301700-
/O.CON.KSGF.FF.W.0035.000000T0000Z-170430T1700Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Webster MO-Christian MO-Greene MO-
1102 AM CDT SUN APR 30 2017

...THE FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL NOON CDT FOR
WEBSTER...CHRISTIAN AND GREENE COUNTIES...

At 1101 AM CDT, The Department of Transportation reported flash 
flooding in the warned area. Doppler radar indicated between 3 and 9 
inches of rain has fallen. 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 CC west of Fair Grove at The Pomme De Terre River...
Route U at Pedelo Creek northeast of Sparta...
Scenic Avenue in southwest Springfield...
Route C at The Little Sac River north of Strafford...
and Greenwood Road at The Pomme de Terre Headwaters.

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 3682 9334 3699 9334 3700 9361 3743 9362
      3742 9308 3749 9307 3748 9269 3707 9268
      3707 9291 3681 9291

$$

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, 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, 11:35 AM CDTFlash Flood WarningSGFChristian, Douglas, Greene, Ozark, Stone, Taney and 1 more10 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.