Alert archive / Missouri / Areal Flood Warnings in 2015

Areal Flood Warning 20, NWS St. Louis, MO

June 25, 2015Marion County, Shelby County, Missouri

NWS St. Louis, MO issued this areal flood warning at Jun 25, 2015, 1:28 PM CDT for Marion County, Shelby County, 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 25, 2015, 1:28 PM CDT (18:28 UTC)
Expired: Jun 25, 2015, 8:30 PM CDT
In force: 7 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Marion County, MO, Shelby County, MO

The radar

The St Louis radar (KLSX), 159 km from the middle of the area, began a volume at 18:30 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

Lincoln, IL (KILX), launched 12:00Z, 6.5 hours before the alert went out and 280 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: -330 J/kg
Mixed-layer LCL: 1898 m above ground
0-6 km bulk shear: 47 kt
0-1 km storm-relative helicity: 187 m²/s²
0-3 km storm-relative helicity: 237 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 St. Louis, MO wrote its last area forecast discussion before this areal flood warning went out at Jun 25, 12:46 PM CDT, 42 minutes earlier.

Area forecast discussion, Jun 25, 12:46 PM CDT, 42 minutes before

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Hazardous weather outlook, Jun 25, 9:48 AM CDT, 3 hours 40 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
948 AM CDT THU JUN 25 2015

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-261215-
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-
MARION IL-WASHINGTON IL-RANDOLPH IL-ADAMS IL-BROWN IL-PIKE IL-
CALHOUN IL-JERSEY IL-MADISON IL-ST. CLAIR IL-MONROE IL-KNOX MO-
LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-PIKE MO-BOONE MO-
AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-MONTGOMERY MO-
LINCOLN MO-GASCONADE MO-WARREN MO-ST. CHARLES MO-FRANKLIN MO-
ST. LOUIS MO-ST. LOUIS CITY MO-JEFFERSON MO-CRAWFORD MO-
WASHINGTON MO-ST. FRANCOIS MO-STE. GENEVIEVE MO-IRON MO-
MADISON MO-REYNOLDS MO-
948 AM CDT THU JUN 25 2015

THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF EASTERN AND
CENTRAL MISSOURI AS WELL AS WEST CENTRAL AND SOUTHWEST ILLINOIS.

.DAY ONE...TODAY AND TONIGHT

THUNDERSTORMS WITH HEAVY RAIN ARE LIKELY ACROSS PARTS OF THE AREA
AGAIN TONIGHT. FLASH FLOODING IS A REAL POSSIBILITY AND A FLASH
FLOOD WATCH IS IN EFFECT FOR PARTS OF CENTRAL AND NORTHEAST
MISSOURI AS WELL AS WEST CENTRAL ILLINOIS. SOME OF THE STORMS
COULD BE SEVERE...CAPABLE OF PRODUCING LARGE HAIL AND DAMAGING
WINDS.

POINTS ALONG THE ILLINOIS RIVER ARE CURRENTLY IN MAJOR FLOOD
STAGE.

.DAYS TWO THROUGH SEVEN...FRIDAY THROUGH WEDNESDAY

POINTS ALONG THE ILLINOIS RIVER ARE EXPECTED TO CONTINUE TO
EXCEED MAJOR FLOOD STAGE THROUGH TUESDAY. ADDITIONAL MAJOR
FLOODING IS FORECAST ALONG THE NORTH AND MIDDLE FABIUS RIVERS BY
FRIDAY MORNING.

THUNDERSTORMS WITH HEAVY RAIN CONTINUE TO BE LIKELY FRIDAY AND
POSSIBLY INTO FRIDAY NIGHT. A FLASH FLOOD WATCH REMAINS IN EFFECT
FOR PARTS OF THE AREA INTO FRIDAY AFTERNOON. ADDITIONALLY...SOME
OF THE STORMS MAY BE SEVERE ACROSS PARTS OF SOUTHEAST MISSOURI
AND
SOUTHERN ILLINOIS.

THE CHANCE FOR THUNDERSTORMS RETURNS SUNDAY AFTERNOON AND
CONTINUES THROUGH WEDNESDAY ACROSS PARTS OF THE AREA..

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS POSSIBLE.

GOSSELIN

In the hours before

Local storm report, Jun 25, 8:29 AM CDT, 4 hours 59 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
829 AM CDT THU JUN 25 2015

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

0828 AM     HEAVY RAIN       STEFFENVILLE            39.97N  91.88W
06/25/2015  M4.02 INCH       LEWIS              MO   CO-OP OBSERVER

            24 HOUR REPORT... TAKEN AT 7AM

&&

KARLZ

Local storm report, Jun 25, 8:31 AM CDT, 4 hours 57 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
831 AM CDT THU JUN 25 2015

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

0830 AM     HEAVY RAIN       PITTSFIELD              39.61N  90.81W
06/25/2015  M2.90 INCH       PIKE               IL   CO-OP OBSERVER

            24 HOUR REPORT... TAKEN AT 700AM

&&

KARLZ

Local storm report, Jun 25, 8:33 AM CDT, 4 hours 55 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
833 AM CDT THU JUN 25 2015

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

0831 AM     HEAVY RAIN       QUINCY                  39.93N  91.39W
06/25/2015  M2.36 INCH       ADAMS              IL   CO-OP OBSERVER

            L AND D21... 24 HOUR REPORT... TAKEN AT 600AM

&&

KARLZ

Local storm report, Jun 25, 8:34 AM CDT, 4 hours 54 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
834 AM CDT THU JUN 25 2015

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

0700 AM     HEAVY RAIN       EDINA                   40.17N  92.17W
06/25/2015  M5.08 INCH       KNOX               MO   CO-OP OBSERVER

&&

KARLZ

Local storm report, Jun 25, 8:37 AM CDT, 4 hours 51 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
837 AM CDT THU JUN 25 2015

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

0600 AM     HEAVY RAIN       SAVERTON                39.64N  91.27W
06/25/2015  M2.60 INCH       RALLS              MO   CO-OP OBSERVER

            L AND D22... 24 HOUR REPORT... TAKEN AT 600AM

&&

KARLZ

Local storm report, Jun 25, 8:44 AM CDT, 4 hours 44 minutes before

PRELIMINARY LOCAL STORM REPORT
NATIONAL WEATHER SERVICE ST LOUIS MO
844 AM CDT THU JUN 25 2015

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

0830 AM     HEAVY RAIN       NEW LONDON              39.58N  91.40W
06/25/2015  M1.28 INCH       RALLS              MO   EMERGENCY MNGR

            24 HOUR STORM TOTAL AT 911 CENTER.

&&

BYRD

The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 24, 11:11 PM CDT	Severe Thunderstorm Warning	LSX	Knox, Lewis	64 min
Jun 24, 11:31 PM CDT	Flash Flood Watch	LSX	Audrain, Knox, Lewis, Lincoln, Marion, Monroe and 3 more	7 hr
Jun 25, 12:07 AM CDT	Severe Thunderstorm Warning	LSX	Knox, Lewis, Marion, Shelby	38 min
Jun 25, 1:09 AM CDT	Flash Flood Warning	LSX	Knox, Lewis	6 hr
Jun 25, 2:39 AM CDT	Flash Flood Warning	LSX	Marion, Shelby	7 hr
Jun 25, 3:20 AM CDT	River Flood Warning	LSX	Marion	52 hr
Jun 25, 4:06 AM CDT	Flash Flood Watch	LSX	Audrain, Boone, Callaway, Cole, Franklin, Gasconade and 17 more	39 hr
Jun 25, 7:03 AM CDT	Flash Flood Warning	LSX	Knox, Lewis	4 hr
Jun 25, 9:19 AM CDT	River Flood Warning	LSX	Monroe	62 hr
Jun 25, 9:26 AM CDT	Flash Flood Warning	LSX	Lewis, Marion, Shelby	4 hr
Jun 25, 10:54 AM CDT	Flash Flood Warning	LSX	Knox, Lewis	4 hr
Jun 25, 2:51 PM CDT	Areal Flood Warning	LSX	Knox, Lewis	6 hr
Jun 25, 3:21 PM CDT	River Flood Warning	LSX	Lincoln	3 days
Jun 25, 5:00 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	60 min
Jun 25, 5:51 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles, Saint Louis, City of Saint Louis	54 min
Jun 25, 5:56 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	19 min
Jun 25, 6:32 PM CDT	Flash Flood Warning	LSX	Lincoln, Saint Charles	14 hr
Jun 25, 6:54 PM CDT	Severe Thunderstorm Warning	LSX	Lincoln	66 min
Jun 24, 7:43 PM CDT	River Flood Warning	LSX	Brown	9 days

Nearby

Areal Flood Warnings in Missouri, 2015 Every areal flood warning in 2015

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.