Alert archive / Missouri / Flash Flood Warnings in 2021

Flash Flood Warning 37, NWS Springfield, MO

May 27, 20217 counties in Missouri

NWS Springfield, MO issued this flash flood warning at May 27, 2021, 1:07 PM CDT for 7 counties in Missouri. It was in force for 5 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
May 27, 2021, 1:07 PM CDT (18:07 UTC)
Expired
May 27, 2021, 6:25 PM CDT
In force
5 hr
Issued by
NWS Springfield, MO
Area
Storm-based polygon
Flood severity
None

Counties Camden County, MO, Christian County, MO, Dallas County, MO, Greene County, MO, Laclede County, MO, Polk County, MO, Webster County, MO

The radar

The Springfield radar (KSGF), 53 km from the middle of the area, began a volume at 18:10 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
May 27, 2:04 PM CDTHEAVY RAIN 2.061 W Niangua, MO2.06 RAIN IN LAST HOUR NIANGUA 2 MILES WEST ON CC HIGHWAY.
May 27, 2:15 PM CDTFLASH FLOOD1 Nne Northview, MOWATER OVER ROADWAY. ROAD WAS CLOSED.
May 27, 2:50 PM CDTFLASH FLOOD3 N Long Lane, MOROAD CLOSED DUE TO FLASH FLOODING ROUTE P NORTHBOUND (DALLAS COUNTY).
May 27, 3:30 PM CDTFLASH FLOOD6 E Elkland, MOROAD CLOSED DUE TO FLASH FLOODING ROUTE Y EASTBOUND (WEBSTER COUNTY).

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, 6.1 hours before the alert went out and 104 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 2021-05-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 295 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 2021-05-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 69 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
295 J/kg
Mixed-layer CIN
-229 J/kg
Mixed-layer LCL
964 m above ground
0-6 km bulk shear
42 kt
0-1 km storm-relative helicity
69 m²/s²
0-3 km storm-relative helicity
160 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.6

Open this sounding in Storm Lab

The text

As transmitted.

043 
WGUS53 KSGF 271807
FFWSGF
MOC029-043-059-077-105-167-225-280015-
/O.NEW.KSGF.FF.W.0037.210527T1807Z-210528T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
Flash Flood Warning
National Weather Service Springfield MO
107 PM CDT Thu May 27 2021

The National Weather Service in Springfield has issued a

* Flash Flood Warning for...
  Southern Camden County in central Missouri...
  Northwestern Christian County in southwestern Missouri...
  Dallas County in southwestern Missouri...
  Greene County in southwestern Missouri...
  Laclede County in southwestern Missouri...
  Polk County in southwestern Missouri...
  Northwestern Webster County in southwestern Missouri...

* Until 715 PM CDT Thursday.

* At 107 PM CDT, Doppler radar indicated thunderstorms producing 
  heavy rain across the warned area. Between 1 and 2 inches of rain 
  have fallen. Additional rainfall amounts of 1 to 2 inches are 
  possible in the warned area. Flash flooding is ongoing or expected 
  to begin shortly.

  HAZARD...Flash flooding caused by thunderstorms.

  SOURCE...Radar.

  IMPACT...Flash flooding of small creeks and streams, urban
           areas, highways, streets and underpasses as well as
           other poor drainage and low-lying areas.

* Some locations that will experience flash flooding include...
  Springfield, Nixa, Ozark, Republic, Lebanon, Bolivar, Marshfield 
  and Battlefield.

This includes the following low water crossings...
  Route C north of Buffalo at Lindley Creek, Route CC west of Fair 
  Grove at The Pomme De Terre River, Highway 215 just east of 
  Pleasant Hope, Route H just north of Pleasant Hope and Route AA at 
  The Pomme de Terre east of Bolivar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3766 9361 3781 9332 3780 9319 3787 9318
      3790 9307 3793 9307 3804 9284 3802 9241
      3771 9241 3748 9265 3748 9269 3744 9269
      3709 9306 3699 9333 3700 9361

FLASH FLOOD...RADAR INDICATED

$$

JT
2 follow-up statements
603 
WGUS73 KSGF 272117
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
417 PM CDT Thu May 27 2021

MOC029-272127-
/O.CAN.KSGF.FF.W.0037.000000T0000Z-210528T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Camden MO-
417 PM CDT Thu May 27 2021

...FLASH FLOOD WARNING IS CANCELLED FOR SOUTHERN CAMDEN COUNTY...

Flooding is no longer expected to pose a threat. Please continue to 
heed remaining road closures.

A Flash Flood Watch remains in effect until 100 AM CDT Friday for 
Portions of southeast Kansas. Portions of Missouri.

LAT...LON 3766 9361 3781 9333 3780 9319 3787 9318
      3790 9307 3789 9262 3784 9260 3780 9255
      3783 9249 3782 9245 3786 9241 3771 9241
      3748 9265 3748 9269 3744 9269 3709 9306
      3699 9333 3700 9361

$$

MOC043-059-077-105-167-225-280015-
/O.CON.KSGF.FF.W.0037.000000T0000Z-210528T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Christian MO-Dallas MO-Greene MO-Laclede MO-Polk MO-Webster MO-
417 PM CDT Thu May 27 2021

...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 715 PM CDT THIS 
EVENING FOR NORTHWESTERN CHRISTIAN, DALLAS, GREENE, LACLEDE, POLK 
AND NORTHWESTERN WEBSTER COUNTIES...

At 417 PM CDT, The department of transportation reported roads 
closed due to flash flooding. Between 1 and 2 inches of rain have 
fallen. Additional rainfall amounts of 0.5 to 1 inch are possible in 
the warned area. Flash flooding is ongoing or expected to begin 
shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Department of Transportation reported.

IMPACT...Flash flooding of small creeks and streams, urban areas,
         highways, streets and underpasses as well as other poor
         drainage and low-lying areas.

Some locations that will experience flash flooding include...
  Springfield, Nixa, Ozark, Republic, Lebanon, Bolivar, Marshfield 
  and Battlefield.

This includes the following low water crossings...
  Route C north of Buffalo at Lindley Creek, Route CC west of Fair 
  Grove at The Pomme De Terre River, Highway 215 just east of 
  Pleasant Hope, Route H just north of Pleasant Hope and Route AA at 
  The Pomme de Terre east of Bolivar.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood 
deaths occur in vehicles.

&&

LAT...LON 3766 9361 3781 9333 3780 9319 3787 9318
      3790 9307 3789 9262 3784 9260 3780 9255
      3783 9249 3782 9245 3786 9241 3771 9241
      3748 9265 3748 9269 3744 9269 3709 9306
      3699 9333 3700 9361

FLASH FLOOD...OBSERVED

$$
957 
WGUS73 KSGF 272325
FFSSGF

Flash Flood Statement
National Weather Service Springfield MO
625 PM CDT Thu May 27 2021

MOC043-059-077-105-167-225-272335-
/O.CAN.KSGF.FF.W.0037.000000T0000Z-210528T0015Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Christian MO-Dallas MO-Greene MO-Laclede MO-Polk MO-Webster MO-
625 PM CDT Thu May 27 2021

...FLASH FLOOD WARNING FOR NORTHWESTERN CHRISTIAN, DALLAS, GREENE, 
LACLEDE, POLK AND NORTHWESTERN WEBSTER COUNTIES HAS BEEN REPLACED 
WITH A FLOOD WARNING...

LAT...LON 3766 9361 3781 9333 3780 9319 3787 9318
      3790 9307 3789 9262 3784 9260 3780 9255
      3783 9249 3782 9245 3786 9241 3771 9241
      3748 9265 3748 9269 3744 9269 3709 9306
      3699 9333 3700 9361

$$

MB

The office that day

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

IssuedProductOfficeCountiesLasted
May 26, 8:12 PM CDTRiver Flood WarningSGFVernon24 hr
May 27, 3:27 AM CDTSpecial Weather StatementSGFVernon48 min
May 27, 5:11 AM CDTSpecial Weather StatementSGFBenton34 min
May 27, 9:45 AM CDTRiver Flood WarningSGFCedar11 hr
May 27, 9:45 AM CDTRiver Flood WarningSGFVernon11 hr
May 27, 10:32 AM CDTFlash Flood WarningSGFBenton, Morgan4 hr
May 27, 10:53 AM CDTFlash Flood WatchSGFBarry, Barton, Benton, Camden, Cedar, Christian and 19 more8 hr
May 27, 11:11 AM CDTFlash Flood WarningSGFJasper, Newton8 hr
May 27, 11:15 AM CDTSevere Thunderstorm WarningSGFCedar, Hickory, Polk, St. Clair45 min
May 27, 11:37 AM CDTSevere Thunderstorm WarningSGFJasper, Newton38 min
May 27, 11:45 AM CDTSevere Thunderstorm WarningSGFCedar, Dade, Dallas, Polk60 min
May 27, 12:07 PM CDTSevere Thunderstorm WarningSGFGreene, Webster53 min
May 27, 12:24 PM CDTSevere Thunderstorm WarningSGFLaclede, Pulaski66 min
May 27, 12:45 PM CDTFlash Flood WarningSGFBarry, Jasper, Lawrence, Newton6 hr
May 27, 12:52 PM CDTSevere Thunderstorm WarningSGFWebster, Wright38 min
May 27, 1:07 PM CDTSevere Thunderstorm WarningSGFMaries, Phelps41 min
May 27, 1:19 PM CDTSevere Thunderstorm WarningSGFLaclede, Phelps, Pulaski, Texas, Wright56 min
May 27, 1:29 PM CDTFlash Flood Warning Considerable damage threatSGFBarry, Lawrence, Newton6 hr
May 27, 1:31 PM CDTSevere Thunderstorm WarningSGFJasper, McDonald, Newton59 min
May 27, 1:35 PM CDTSpecial Weather StatementSGFChristian, Stone55 min
May 27, 1:51 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Webster, Wright54 min
May 27, 1:54 PM CDTSpecial Weather StatementSGFDent, Texas51 min
May 27, 2:11 PM CDTFlash Flood WarningSGFBarry, Christian, Stone6 hr
May 27, 2:25 PM CDTSevere Thunderstorm WarningSGFMcDonald, Newton47 min
May 27, 2:37 PM CDTFlash Flood WarningSGFDouglas6 hr
May 27, 2:37 PM CDTSpecial Weather StatementSGFHowell53 min
May 27, 2:55 PM CDTSevere Thunderstorm WarningSGFBarry50 min
May 27, 3:02 PM CDTSevere Thunderstorm WarningSGFHowell43 min
May 27, 3:28 PM CDTSpecial Weather StatementSGFOregon, Shannon62 min
May 27, 3:36 PM CDTSpecial Weather StatementSGFChristian39 min
May 27, 3:42 PM CDTAreal Flood AdvisorySGFBarry, McDonald6 hr
May 27, 3:49 PM CDTSevere Thunderstorm WarningSGFChristian, Douglas, Taney41 min
May 27, 4:09 PM CDTSevere Thunderstorm WarningSGFOzark, Taney36 min
May 27, 4:14 PM CDTFlash Flood WarningSGFBarry6 hr
May 27, 4:31 PM CDTFlash Flood WarningSGFOzark, Stone, Taney6 hr
May 27, 5:23 PM CDTSevere Thunderstorm WarningSGFMcDonald47 min
May 27, 5:52 PM CDTFlash Flood WarningSGFMcDonald4 hr
May 27, 6:25 PM CDTAreal Flood WarningSGFChristian, Dallas, Greene, Hickory, Laclede, Polk and 2 more15 hr
May 27, 6:41 PM CDTAreal Flood WarningSGFBarry, Jasper, Lawrence, Newton22 hr

Nearby

Flash Flood Warnings in Missouri, 2021Every flash flood warning in 2021

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.