Alert archive / Missouri / Areal Flood Warnings in 2013

Areal Flood Warning 28, NWS St. Louis, MO

June 1, 20134 counties in Missouri

NWS St. Louis, MO issued this areal flood warning at Jun 1, 2013, 8:57 AM CDT for 4 counties in Missouri. It was in force for 7 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: Jun 1, 2013, 8:57 AM CDT (13:57 UTC)
Expired: Jun 1, 2013, 4:00 PM CDT
In force: 7 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Cole County, MO, Gasconade County, MO, Moniteau County, MO, Osage County, MO

The radar

The St Louis radar (KLSX), 121 km from the middle of the area, began a volume at 13:59 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, 2.0 hours before the alert went out and 236 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: 147 J/kg
Mixed-layer CIN: -30 J/kg
Mixed-layer LCL: 605 m above ground
0-6 km bulk shear: 42 kt
0-1 km storm-relative helicity: 167 m²/s²
0-3 km storm-relative helicity: 171 m²/s²
Significant tornado parameter: 0.2
Supercell composite: 0.7

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 St. Louis, MO wrote its last area forecast discussion before this areal flood warning went out at Jun 1, 6:35 AM CDT, 2 hours 22 minutes earlier.

Area forecast discussion, Jun 1, 6:35 AM CDT, 2 hours 22 minutes before

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Hazardous weather outlook, Jun 1, 7:33 AM CDT, 1 hour 24 minutes before

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In the hours before

Local storm report, Jun 1, 6:56 AM CDT, 2 hours 1 minute before

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Local storm report, Jun 1, 7:10 AM CDT, 1 hour 47 minutes before

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Local storm report, Jun 1, 8:15 AM CDT, 42 minutes before

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Local storm report, Jun 1, 8:16 AM CDT, 41 minutes before

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Local storm report, Jun 1, 8:17 AM CDT, 40 minutes before

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Local storm report, Jun 1, 8:54 AM CDT, 3 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
May 31, 7:16 PM CDT	Tornado Warning	LSX	Lincoln	29 min
May 31, 7:26 PM CDT	Tornado Warning	LSX	Franklin	34 min
May 31, 7:30 PM CDT	Severe Thunderstorm Warning	LSX	Franklin, Jefferson, Lincoln, Saint Charles, Saint Louis, Warren	45 min
May 31, 7:48 PM CDT	Tornado Warning	LSX	Saint Charles, Saint Louis	27 min
May 31, 7:59 PM CDT	Tornado Warning	LSX	Franklin, Jefferson, Saint Louis	31 min
May 31, 8:08 PM CDT	Tornado Warning Tornado observed	LSX	Saint Charles, Saint Louis, City of Saint Louis	37 min
May 31, 8:12 PM CDT	Severe Thunderstorm Warning	LSX	Jefferson, Saint Charles, Saint Louis, City of Saint Louis	48 min
May 31, 8:26 PM CDT	Tornado Warning	LSX	Jefferson, Saint Louis	34 min
May 31, 8:43 PM CDT	Flash Flood Warning	LSX	Franklin, Saint Charles, Saint Louis, Warren, City of Saint Louis	6 hr
May 31, 10:43 PM CDT	River Flood Warning	LSX	Saint Charles	38 hr
May 31, 10:55 PM CDT	River Flood Warning	LSX	Franklin	4 days
May 31, 11:02 PM CDT	Flash Flood Warning	LSX	Crawford, Jefferson, Washington	6 hr
May 31, 11:25 PM CDT	Areal Flood Warning	LSX	Boone, Cole, Moniteau	5 hr
May 31, 11:54 PM CDT	Areal Flood Warning	LSX	Callaway	9 hr
Jun 1, 12:58 AM CDT	Areal Flood Warning	LSX	Cole, Gasconade, Moniteau, Osage	8 hr
Jun 1, 2:29 AM CDT	Areal Flood Warning	LSX	Franklin, Saint Charles, Saint Louis, Warren, City of Saint Louis	7 hr
Jun 1, 3:55 AM CDT	Areal Flood Warning	LSX	Boone, Cole, Moniteau	12 hr
Jun 1, 4:14 AM CDT	Flash Flood Warning	LSX	Iron, Madison, Reynolds	6 hr
Jun 1, 4:35 AM CDT	River Flood Warning	LSX	Crawford, Washington	32 hr
Jun 1, 4:35 AM CDT	River Flood Warning	LSX	Franklin, Jefferson	4 days
Jun 1, 4:35 AM CDT	River Flood Warning	LSX	Jefferson, Saint Louis	4 days
Jun 1, 5:03 AM CDT	Areal Flood Warning	LSX	Crawford, Iron, Jefferson, Saint Louis, Washington, City of Saint Louis	6 hr
Jun 1, 9:31 AM CDT	Areal Flood Warning	LSX	Franklin	8 hr
Jun 1, 9:50 AM CDT	Areal Flood Warning	LSX	Iron, Madison, Reynolds	12 hr
Jun 1, 3:55 PM CDT	Areal Flood Warning	LSX	Cole, Gasconade, Osage	6 hr
Jun 1, 5:28 PM CDT	Areal Flood Warning	LSX	Franklin	18 hr
May 31, 8:31 PM CDT	Tornado Warning	LSX	Greene, Jersey, Macoupin	29 min
May 31, 8:33 PM CDT	Tornado Warning	LSX	Bond, Madison	27 min
May 31, 8:50 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Fayette, Macoupin, Madison, Montgomery and 2 more	55 min
May 31, 8:50 PM CDT	Tornado Warning	LSX	Macoupin, Montgomery	25 min
May 31, 8:52 PM CDT	Tornado Warning	LSX	Bond, Madison, Montgomery	23 min
May 31, 8:56 PM CDT	Tornado Warning	LSX	Macoupin, Montgomery	34 min
May 31, 9:07 PM CDT	Tornado Warning	LSX	Macoupin	23 min
May 31, 9:13 PM CDT	Tornado Warning	LSX	Bond, Fayette, Marion, Montgomery	32 min
May 31, 9:21 PM CDT	Severe Thunderstorm Warning	LSX	Bond, Clinton, Madison, Saint Clair	54 min
May 31, 9:43 PM CDT	Severe Thunderstorm Warning	LSX	Fayette	47 min
May 31, 10:28 PM CDT	Flash Flood Warning	LSX	Calhoun, Greene, Jersey, Macoupin	6 hr
Jun 1, 12:09 AM CDT	Flash Flood Warning	LSX	Marion, Washington	6 hr
Jun 1, 5:57 AM CDT	Areal Flood Warning	LSX	Marion, Washington	6 hr
Jun 1, 11:51 AM CDT	Areal Flood Warning	LSX	Marion, Washington	6 hr
Jun 1, 5:56 PM CDT	Areal Flood Warning	LSX	Marion	18 hr

Nearby

Areal Flood Warnings in Missouri, 2013 Every areal flood warning in 2013

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.