Alert archive / Missouri / Areal Flood Warnings in 2014

Areal Flood Warning 11, NWS St. Louis, MO

June 22, 2014Crawford County, Franklin County, Washington County, Missouri

NWS St. Louis, MO issued this areal flood warning at Jun 22, 2014, 1:24 AM CDT for Crawford County, Franklin County, Washington County, Missouri. It was in force for 8 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 22, 2014, 1:24 AM CDT (06:24 UTC)
Expired: Jun 22, 2014, 9:30 AM CDT
In force: 8 hr
Issued by: NWS St. Louis, MO
Area: Storm-based polygon
Flood severity: None

Counties Crawford County, MO, Franklin County, MO, Washington County, MO

The radar

The St Louis radar (KLSX), 74 km from the middle of the area, began a volume at 06:24 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, 6.4 hours before the alert went out and 275 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: 1073 J/kg
Mixed-layer CIN: -8 J/kg
Mixed-layer LCL: 1642 m above ground
0-6 km bulk shear: 12 kt
0-1 km storm-relative helicity: 15 m²/s²
0-3 km storm-relative helicity: 84 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 1.6

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 22, 12:02 AM CDT, 1 hour 22 minutes earlier.

Area forecast discussion, Jun 22, 12:02 AM CDT, 1 hour 22 minutes before

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Hazardous weather outlook, Jun 21, 3:35 PM CDT, 9 hours 49 minutes before

HAZARDOUS WEATHER OUTLOOK
NATIONAL WEATHER SERVICE ST LOUIS MO
335 PM CDT SAT JUN 21 2014

ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-221200-
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-
335 PM CDT SAT JUN 21 2014

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

.DAY ONE...TONIGHT

SCATTERED THUNDERSTORMS ARE EXPECTED TONIGHT...MAINLY THIS
EVENING...AND ESPECIALLY FOR AREAS NORTH OF INTERSTATE 70. SOME
STORMS UNTIL LATE EVENING COULD BE SEVERE PRODUCING DAMAGING
WINDS AND LARGE HAIL. FOR FURTHER INFORMATION ON CONVECTIVE
WATCHES...PLEASE REFER TO THE LATEST STORM PREDICTION CENTER
WATCH PRODUCTS.

.DAYS TWO THROUGH SEVEN...SUNDAY THROUGH FRIDAY

THERE IS A CHANCE FOR THUNDERSTORMS SUNDAY THROUGH FRIDAY...WITH
THE MOST WIDESPREAD EXPECTED TO OCCUR ON MONDAY AND MONDAY NIGHT.

.SPOTTER INFORMATION STATEMENT...

SPOTTER ACTIVATION IS LIKELY UNTIL LATE EVENING ACROSS NORTHEAST
MISSOURI AND WEST CENTRAL ILLINOIS...AND POSSIBLE ELSEWHERE.
ALL SPOTTERS ARE ENCOURAGED TO REPORT ANY SEVERE WEATHER...IF
OBSERVED...TO THE NATIONAL WEATHER SERVICE.

TES

In the hours before

Local storm report, Jun 21, 8:12 PM CDT, 5 hours 12 minutes before

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Local storm report, Jun 21, 8:48 PM CDT, 4 hours 36 minutes before

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Local storm report, Jun 21, 9:21 PM CDT, 4 hours 3 minutes before

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Local storm report, Jun 21, 9:24 PM CDT, 4 hours before

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Local storm report, Jun 21, 9:27 PM CDT, 3 hours 57 minutes before

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Local storm report, Jun 21, 10:12 PM CDT, 3 hours 12 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
Jun 21, 7:05 PM CDT	Severe Thunderstorm Warning	LSX	Crawford	40 min
Jun 21, 7:28 PM CDT	Areal Flood Advisory	LSX	Lincoln, Saint Charles, Warren	4 hr
Jun 21, 7:29 PM CDT	Severe Thunderstorm Warning	LSX	Saint Louis, City of Saint Louis	12 min
Jun 21, 7:33 PM CDT	Flash Flood Warning	LSX	Saint Louis, City of Saint Louis	6 hr
Jun 21, 7:36 PM CDT	Severe Thunderstorm Warning	LSX	Franklin	39 min
Jun 21, 8:02 PM CDT	Severe Thunderstorm Warning	LSX	Crawford, Franklin, Washington	28 min
Jun 21, 8:21 PM CDT	Flash Flood Warning	LSX	Crawford, Franklin, Washington	5 hr
Jun 22, 1:56 PM CDT	Areal Flood Advisory	LSX	Saint Francois	4 hr
Jun 22, 2:31 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	32 min
Jun 22, 2:41 PM CDT	Areal Flood Advisory	LSX	Madison	4 hr
Jun 22, 3:01 PM CDT	Severe Thunderstorm Warning	LSX	Iron, Reynolds	30 min
Jun 22, 3:22 PM CDT	Severe Thunderstorm Warning	LSX	Saint Charles	23 min
Jun 22, 3:26 PM CDT	Flash Flood Warning	LSX	Saint Charles	4 hr
Jun 22, 5:12 PM CDT	Severe Thunderstorm Warning	LSX	Lewis, Marion	37 min
Jun 22, 5:32 PM CDT	Areal Flood Advisory	LSX	Lewis	6 hr

Nearby

Areal Flood Warnings in Missouri, 2014 Every areal flood warning in 2014

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.