Alert archive / Missouri / Areal Flood Warnings in 2021

Areal Flood Warning 15, NWS Springfield, MO

March 12, 2021Greene County, Missouri

NWS Springfield, MO issued this areal flood warning at Mar 12, 2021, 9:34 PM CST for Greene County, Missouri. It was in force for 14 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Mar 12, 2021, 9:34 PM CST (03:34 UTC)
Expired: Mar 13, 2021, 11:15 AM CST
In force: 14 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

County Greene County, MO

The radar

The Springfield radar (KSGF), 6 km from the middle of the area, began a volume at 03:35 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 00:00Z, 3.6 hours before the alert went out and 57 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 2 J/kg
Mixed-layer CIN: 0 J/kg
Mixed-layer LCL: 477 m above ground
0-6 km bulk shear: 77 kt
0-1 km storm-relative helicity: 384 m²/s²
0-3 km storm-relative helicity: 380 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this areal flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Springfield, MO wrote its last area forecast discussion before this areal flood warning went out at Mar 12, 5:24 PM CST, 4 hours 10 minutes earlier.

Area forecast discussion, Mar 12, 5:24 PM CST, 4 hours 10 minutes before

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Hazardous weather outlook, Mar 12, 8:34 PM CST, 1 hour before

Hazardous Weather Outlook
National Weather Service Springfield MO
834 PM CST Fri Mar 12 2021

KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-140245-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
834 PM CST Fri Mar 12 2021

This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.

.DAY ONE...Tonight.

Weather hazards expected...

  Limited hail risk.
  Limited thunderstorm wind damage risk.
  Limited flooding risk.
  Limited lightning risk.
  Limited fog risk.

DISCUSSION...

  Showers and thunderstorms will continue through tonight.
  Flooding and flash flooding is expected as rainfall rates begin to
  increase. Localized significant flash flooding can not be ruled
  out in localized areas where training thunderstorms occur.

  Some of the more robust thunderstorms this evening and tonight
  could produce small hail and wind gusts in excess of 50 mph.
  Widespread or significant severe weather is not expected.

  Areas of fog will be likely across far southern Missouri.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

  Showers and thunderstorms will be ongoing Saturday morning.
  This activity is expected to exit the Ozarks region by Saturday
  afternoon.

  Another round of showers and thunderstorms will occur Sunday.
  This activity will be widespread in nature, and carry a risk for
  additional flooding. No severe weather is expected on Sunday.

  Additional rain is that forecast for the middle of next week.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be needed through tonight.

&&

More detailed information can be accessed at:
http://www.weather.gov/sgf/sitrep

This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf

Raberding

In the hours before

Local storm report, Mar 12, 4:25 PM CST, 5 hours 9 minutes before

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Local storm report, Mar 12, 6:47 PM CST, 2 hours 47 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
647 PM CST FRI MAR 12 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 PM     FLOOD            2 NW STOUTLAND          37.83N 92.54W
03/12/2021                   CAMDEN             MO   PUBLIC

            PICTURE OF WATER FLOWING OVER HIGHWAY H AT
            THE SHAKERAG CREEK LOW WATER CROSSING.

&&

CKR

Special weather statement, Mar 12, 6:52 PM CST, 2 hours 42 minutes before

Special Weather Statement
National Weather Service Springfield MO
652 PM CST Fri Mar 12 2021

MOZ079-130115-
Polk MO-
652 PM CST Fri Mar 12 2021

...SIGNIFICANT WEATHER ADVISORY FOR CENTRAL POLK COUNTY UNTIL 715 PM
CST...

At 651 PM CST, Doppler radar was tracking a strong thunderstorm over
Fair Play, or 8 miles west of Bolivar, moving east at 45 mph.

Penny size hail will be possible with this storm.

Locations impacted include...
Bolivar...                        Polk...
Fair Play...                      Halfway...
Goodson...

LAT...LON 3773 9319 3773 9317 3756 9318 3758 9362
      3770 9361 3776 9319
TIME...MOT...LOC 0051Z 263DEG 39KT 3764 9356

Rothstein

Local storm report, Mar 12, 6:53 PM CST, 2 hours 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
653 PM CST FRI MAR 12 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 PM     FLOOD            4 NW STOUTLAND          37.86N 92.56W
03/12/2021                   CAMDEN             MO   PUBLIC

            PICTURE OF WATER 1 FOOT DEEP FLOWING OVER
            BROWNSVILLE ROAD.

&&

CKR

Local storm report, Mar 12, 6:55 PM CST, 2 hours 39 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
655 PM CST FRI MAR 12 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0620 PM     FLOOD            2 NW SLEEPER            37.78N 92.62W
03/12/2021                   LACLEDE            MO   PUBLIC

            PICTURE OF WATER AND TREE DEBRIS WASHING
            OVER HIGHWAY F AT THE DRY AUGLAIZE CREEK LOW
            WATER CROSSING.

&&

CKR

Local storm report, Mar 12, 7:53 PM CST, 1 hour 41 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE SPRINGFIELD MO
753 PM CST FRI MAR 12 2021

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0745 PM     FLOOD            4 SSW RICHLAND          37.80N 92.43W
03/12/2021                   LACLEDE            MO   DEPT OF HIGHWAYS

            HIGHWAY FF IS CLOSED DUE TO FLOODING AT THE
            BEAR CREEK LOW WATER CROSSING.

&&

CKR

The office that day

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

Issued	Product	Office	Counties	Lasted
Mar 12, 6:52 PM CST	Special Weather Statement	SGF	Polk	23 min
Mar 12, 8:27 PM CST	Areal Flood Warning	SGF	Camden, Dent, Laclede, Maries, Miller, Phelps and 3 more	15 hr
Mar 12, 11:48 PM CST	Areal Flood Warning	SGF	Benton, Cedar, Dade, Hickory, Lawrence, St. Clair and 1 more	12 hr
Mar 13, 12:36 AM CST	Flash Flood Warning	SGF	Newton	8 hr
Mar 13, 12:56 AM CST	Areal Flood Warning	SGF	Dent, Howell, Oregon, Shannon, Texas, Wright	12 hr
Mar 13, 12:59 AM CST	Areal Flood Warning	SGF	Douglas, Ozark, Webster	12 hr
Mar 13, 1:15 AM CST	Flash Flood Warning	SGF	McDonald	8 hr
Mar 13, 1:25 AM CST	Areal Flood Warning	SGF	Barry, Christian, Stone, Taney	12 hr
Mar 13, 3:04 AM CST	Areal Flood Warning	SGF	McDonald	8 hr
Mar 13, 3:37 AM CST	Flash Flood Warning Considerable damage threat	SGF	Newton	7 hr
Mar 13, 3:52 AM CST	Flash Flood Warning Considerable damage threat	SGF	McDonald	6 hr
Mar 13, 4:12 AM CST	Areal Flood Warning	SGF	Barton, Cedar, Jasper	7 hr
Mar 13, 9:13 AM CST	Flash Flood Warning	SGF	McDonald	3 hr
Mar 13, 9:29 AM CST	Areal Flood Warning	SGF	Camden, Dallas, Hickory, Laclede, Miller, Morgan and 1 more	118 min
Mar 13, 11:00 AM CST	Areal Flood Warning	SGF	Camden, Dallas, Dent, Laclede, Phelps, Pulaski and 3 more	24 hr
Mar 13, 11:24 AM CST	Areal Flood Warning	SGF	Cedar, Dade, Dallas, Greene, Hickory, Lawrence and 2 more	24 hr
Mar 13, 11:31 AM CST	Areal Flood Warning	SGF	Barton, Jasper, McDonald, Newton	23 hr
Mar 13, 12:46 PM CST	Areal Flood Warning	SGF	Douglas, Howell, Oregon, Ozark, Shannon, Texas and 2 more	22 hr
Mar 13, 12:59 PM CST	Areal Flood Warning	SGF	Barry, Christian, Greene, Stone, Taney	22 hr
Mar 13, 1:15 PM CST	River Flood Warning	SGF	Jasper	18 hr
Mar 13, 3:26 PM CST	River Flood Warning	SGF	McDonald	16 hr
Mar 13, 2:53 AM CST	River Flood Warning	SGF	Bourbon	36 hr

Nearby

Areal Flood Warnings in Missouri, 2021 Every areal 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; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.