Alert archive / Missouri / Severe Thunderstorm Warnings in 2008

Severe Thunderstorm Warning 44, NWS Paducah, KY

March 18, 2008New Madrid County, Stoddard County, Missouri

NWS Paducah, KY issued this severe thunderstorm warning at Mar 18, 2008, 4:57 PM CDT for New Madrid County, Stoddard County, Missouri. It was in force for 48 min. 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 18, 2008, 4:57 PM CDT (21:57 UTC)
Expired: Mar 18, 2008, 5:45 PM CDT
In force: 48 min
Issued by: NWS Paducah, KY
Area: Storm-based polygon

Counties New Madrid County, MO, Stoddard County, MO

The radar

The Paducah radar (KPAH), 99 km from the middle of the area, began a volume at 22:00 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

Little Rock, AR (KLZK), launched 12:00Z, 10.0 hours before the alert went out and 211 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: 89 J/kg
Mixed-layer CIN: -95 J/kg
Mixed-layer LCL: 545 m above ground
0-6 km bulk shear: 59 kt
0-1 km storm-relative helicity: 467 m²/s²
0-3 km storm-relative helicity: 574 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.8

Open this sounding in Storm Lab

What forecasters said that day

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

NWS Paducah, KY wrote its last area forecast discussion before this severe thunderstorm warning went out at Mar 18, 12:38 PM CDT, 4 hours 19 minutes earlier.

Area forecast discussion, Mar 18, 12:38 PM CDT, 4 hours 19 minutes before

AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PADUCAH KY
1238 PM CDT TUE MAR 18 2008

.DISCUSSION...
FLOOD WATCHES WILL REMAIN AS THEY ARE. ONE OF THE MOST SIGNIFICANT
FLOOD EVENTS IN MANY YEARS CONTINUES OVER SOUTHEAST MISSOURI INTO
SOUTHWEST ILLINOIS. STORM TOTALS FROM 3-6 INCHES WITH DOPPLER
ESTIMATES REACHING 7 INCHES SINCE EARLY THIS MORNING. THE MODELS
GRADUALLY TRANSLATE THE AXIS OF CONVERGENCE AND MOIST INFLUX
INTERACTION SOUTH TONIGHT. THIS SHOULD GRADUALLY SHIFT THE HEAVIEST
RAIN AXIS SOUTH AND EAST WITH TIME ACROSS THE REMAINDER OF OUR
CWFA.

WILL CONTINUE TO MONITOR THE SEVERE WEATHER ASPECT INTO THE LATE
AFTERNOON OR EARLY EVENING...MAINLY ACROSS THAT PART OF WESTERN
KENTUCKY THAT IS JUST INTO THE WARM SECTOR...AND RELATIVELY
UNAFFECTED BY THE CURRENT HEAVY RAIN. LATE TONIGHT THROUGH
WEDNESDAY...THE PARENT UPPER LEVEL TROF CURRENTLY OVER THE
SOUTHERN PLAINS WILL EJECT NE ACROSS THE OZARKS...AND OVER TIME
PHASE WITH THE NORTHERN BRANCH...TO OUR NORTH AND EAST. THUS A
SHIFT IN THE RAIN EAST AND OUT OF THE AREA IS EXPECTED BY THE END
OF THE DAY WEDNESDAY. LEFT THUNDER OUT BASED ON A LACK OF ELEVATED
INSTABILITY.

THURSDAY SHOULD BE DRY WITH HIGH PRESSURE IN CONTROL. FRIDAY INTO
SATURDAY...A FAST MOVING SYSTEM WILL FEATURE A SURFACE LOW PASSING
JUST TO OUR NORTH. WILL MAINTAIN SLIGHT CHANCE POPS UP ALONG I-64
FOR RAIN JUST IN CASE IT SNEAKS FAR ENOUGH SOUTH. QUIET WEATHER
WITH HIGH PRESSURE IN CONTROL SATURDAY...THEN A MID LEVEL SYSTEM
WILL MOVE SE FROM THE NORTHERN PLAINS AND UPPER MIDWEST...WHICH
MAY YIELD A CHANCE OF RAIN ACROSS THE AREA SUNDAY. THE GFS HAS
COME MUCH CLOSER TO THE CONSISTENT ECMWF WITH RESPECT TO THIS
FEATURE...SO WILL BIAS THE FORECAST TOWARD THE 12Z GFS AND PREVIOUS
ECMWF RUNS FOR SUNDAY. MONDAY SHOULD BE DRY...THEN THERE IS A
SLIGHT CHANCE OF RAIN TUESDAY.

&&

.AVIATION...
POOR CONDITIONS WILL CONTINUE AT KCGI...KEVV AND KOWB AS SHOWERS
PERSIST THIS AFTERNOON AND INTO TONIGHT. CONDITIONS WILL DETERIORATE
AT KPAH AS THE AXIS OF SHOWERS AND EMBEDDED THUNDERSTORMS GRADUALLY
SHIFTS SOUTH. BOUNDARY APPEARS TO BE FARTHER SOUTH THAN WHAT THE
MODELS ARE TRYING TO DEPICT. TO THE NORTH OF THE BOUNDARY THIS MAY
RESULT IN MORE PERSISTENT IFR CONDITIONS WITH RESPECT TO CIGS AND
VSBYS. OTHERWISE MAINLY MVFR CIGS AND VSBYS ARE EXPECTED...WITH
SHIFTING WINDS AS THE MAIN BOUNDARY SETTLES SOUTH ACROSS THE AREA.
THE VARYING PLACEMENT OF THE BOUNDARY WILL MAKE FOR A DIFFICULT WIND
FORECAST...BUT WITH TIME...WINDS WILL EVENTUALLY COME AROUND TO THE
NORTH...ESPECIALLY AFTER 06Z.

&&

.PAH WATCHES/WARNINGS/ADVISORIES...
KY...FLOOD WATCH THROUGH WEDNESDAY MORNING FOR BALLARD-CARLISLE-
     MCCRACKEN.

     FLOOD WATCH FROM 7 PM CDT THIS EVENING THROUGH WEDNESDAY
     AFTERNOON FOR CALDWELL-CALLOWAY-CHRISTIAN-CRITTENDEN-
     DAVIESS-FULTON-GRAVES-HENDERSON-HICKMAN-HOPKINS-LIVINGSTON-
     LYON-MARSHALL-MCLEAN-MUHLENBERG-TODD-TRIGG-UNION KY-WEBSTER.

MO...FLOOD WATCH THROUGH WEDNESDAY MORNING FOR BOLLINGER-BUTLER-CAPE
     GIRARDEAU-CARTER-MISSISSIPPI-NEW MADRID-PERRY MO-RIPLEY-
     SCOTT-STODDARD-WAYNE MO.

IL...FLOOD WATCH THROUGH WEDNESDAY MORNING FOR ALEXANDER-EDWARDS-
     FRANKLIN-GALLATIN-HAMILTON-HARDIN-JACKSON-JEFFERSON-JOHNSON-
     MASSAC-PERRY IL-POPE-PULASKI-SALINE-UNION IL-WABASH-WAYNE
     IL-WHITE-WILLIAMSON.

IN...FLOOD WATCH THROUGH WEDNESDAY MORNING FOR GIBSON-PIKE-POSEY-
     VANDERBURGH.

     FLOOD WATCH FROM 7 PM CDT THIS EVENING THROUGH WEDNESDAY
     AFTERNOON FOR SPENCER-WARRICK.

&&

Hazardous weather outlook, Mar 18, 9:58 AM CDT, 6 hours 59 minutes before

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In the hours before

Local storm report, Mar 18, 4:18 PM CDT, 39 minutes before

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Local storm report, Mar 18, 4:30 PM CDT, 27 minutes before

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Local storm report, Mar 18, 4:33 PM CDT, 24 minutes before

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Local storm report, Mar 18, 4:40 PM CDT, 17 minutes before

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Local storm report, Mar 18, 4:49 PM CDT, 8 minutes before

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Local storm report, Mar 18, 4:51 PM CDT, 6 minutes before

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The office that day

Everything else NWS Paducah, KY issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Mar 18, 9:58 AM CDT	River Flood Warning	PAH	Franklin, Williamson	34 days
Mar 18, 11:08 AM CDT	River Flood Warning	PAH	Pope	30 days
Mar 18, 11:14 AM CDT	River Flood Warning	PAH	Alexander, Jackson, Union	13 days
Mar 18, 11:14 AM CDT	River Flood Warning	PAH	Alexander	12 days
Mar 18, 9:06 AM CDT	River Flood Warning	PAH	Muhlenberg	11 days
Mar 18, 11:08 AM CDT	River Flood Warning	PAH	Daviess	10 days
Mar 18, 11:08 AM CDT	River Flood Warning	PAH	Daviess, Henderson	10 days

Nearby

Severe Thunderstorm Warnings in Missouri, 2008 Every severe thunderstorm warning in 2008

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.