Alert archive / Missouri / Areal Flood Warnings in 2021

Areal Flood Warning 14, NWS Springfield, MO

March 12, 20219 counties in Missouri

NWS Springfield, MO issued this areal flood warning at Mar 12, 2021, 8:27 PM CST for 9 counties in Missouri. It was in force for 15 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, 8:27 PM CST (02:27 UTC)
Expired: Mar 13, 2021, 11:00 AM CST
In force: 15 hr
Issued by: NWS Springfield, MO
Area: Storm-based polygon
Flood severity: None

Counties Camden County, MO, Dent County, MO, Laclede County, MO, Maries County, MO, Miller County, MO, Phelps County, MO, Pulaski County, MO, Texas County, MO, Wright County, MO

The radar

The Springfield radar (KSGF), 123 km from the middle of the area, began a volume at 02:27 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, 2.5 hours before the alert went out and 173 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, 3 hours 3 minutes earlier.

Area forecast discussion, Mar 12, 5:24 PM CST, 3 hours 3 minutes before

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Hazardous weather outlook, Mar 12, 3:21 PM CST, 5 hours 6 minutes before

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In the hours before

Local storm report, Mar 12, 4:25 PM CST, 4 hours 2 minutes before

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Local storm report, Mar 12, 6:47 PM CST, 1 hour 40 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, 1 hour 35 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, 1 hour 34 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, 1 hour 32 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, 34 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, 9:34 PM CST	Areal Flood Warning	SGF	Greene	14 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.