Alert archive / Missouri / Severe Thunderstorm Warnings in 2017
Severe Thunderstorm Warning 121, NWS Paducah, KY
NWS Paducah, KY issued this severe thunderstorm warning at May 11, 2017, 6:40 PM CDT for New Madrid County, Missouri. It was in force for 35 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
- May 11, 2017, 6:40 PM CDT (23:40 UTC)
- Expired
- May 11, 2017, 7:15 PM CDT
- In force
- 35 min
- Issued by
- NWS Paducah, KY
- Area
- Storm-based polygon
- Hail
- 1.25 in
- Wind
- 60.0 mph
County New Madrid County, MO
The radar
The Paducah radar (KPAH), 94 km from the middle of the area, began a volume at 23:39 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 (KBYH), launched 12:00Z, 11.7 hours before the alert went out and 198 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.
- Mixed-layer CAPE
- 182 J/kg
- Mixed-layer CIN
- -234 J/kg
- Mixed-layer LCL
- 853 m above ground
- 0-6 km bulk shear
- 46 kt
- 0-1 km storm-relative helicity
- -27 m²/s²
- 0-3 km storm-relative helicity
- 4 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
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 May 11, 6:34 PM CDT, 6 minutes earlier.
Area forecast discussion, May 11, 6:34 PM CDT, 6 minutes before
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</html>Hazardous weather outlook, May 11, 3:27 PM CDT, 3 hours 13 minutes before
Hazardous Weather Outlook National Weather Service Paducah KY 327 PM CDT Thu May 11 2017 ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087- 100-107>112-114-122030- Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton- White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope- Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh- Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves- Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell- Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean- Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter- Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid- 327 PM CDT Thu May 11 2017 This Hazardous Weather Outlook is for portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. .DAY ONE...This Afternoon and Tonight Isolated strong to severe thunderstorms will be possible late this afternoon into early tonight, mainly over southeast Missouri the western tip of Kentucky. Damaging wind gusts and large hail will be the primary storm hazards, but lightning and locally heavy rain will also be a concern. Minor to Major River flooding continues on portions of the Ohio, Mississippi, Big Muddy, St. Francis, Little Wabash, Wabash and Patoka river system. For details on site specific flooding, refer to the the latest issued flood warnings and statements. .DAYS TWO THROUGH SEVEN...Friday through Wednesday No hazardous weather is expected at this time. .SPOTTER INFORMATION STATEMENT... Spotter activation has been requested for late this afternoon into the evening over southeast Missouri, generally west of a Piedmont to Dexter line. Water levels are expected to remain steady or slowly fall, so flooding will continue on several rivers into early next week. Please refer to the latest flood warnings and statements for additional details.
In the hours before
Special weather statement, May 11, 1:45 PM CDT, 4 hours 55 minutes before
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</html>Special weather statement, May 11, 5:16 PM CDT, 1 hour 24 minutes before
Special Weather Statement
National Weather Service Paducah KY
516 PM CDT THU MAY 11 2017
MOZ108-112300-
Ripley MO-
516 PM CDT THU MAY 11 2017
...SIGNIFICANT WEATHER ADVISORY FOR WESTERN RIPLEY COUNTY UNTIL 600
PM CDT...
At 514 PM CDT, Doppler radar was tracking a strong thunderstorm near
Gatewood, or 19 miles east of Thayer, moving northeast at 40 mph.
Half inch hail and winds in excess of 40 mph will be possible with
this storm.
Locations impacted include...
Gatewood, Handy and Briar.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Torrential rainfall is also occurring with this storm, and may lead
to localized flooding. Do not drive your vehicle through flooded
roadways.
Frequent cloud to ground lightning is occurring with this storm.
Lightning can strike 10 miles away from a thunderstorm. Seek a safe
shelter inside a building or vehicle.
This storm may intensify, so be certain to monitor local radio
stations and available television stations for additional information
and possible warnings from the National Weather Service.
&&
A severe thunderstorm watch remains in effect until 1000 PM CDT for
southeastern Missouri.
LAT...LON 3682 9112 3682 9101 3681 9094 3681 9084
3650 9106 3650 9112
TIME...MOT...LOC 2214Z 210DEG 35KT 3655 9119
RJPThe office that day
Everything else NWS Paducah, KY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| May 11, 7:11 AM CDT | River Flood Warning | PAH | Henderson, Union | 4 days |
| May 11, 11:58 AM CDT | River Flood Warning | PAH | Crittenden, Livingston | 5 days |
| May 11, 1:45 PM CDT | Special Weather Statement | PAH | Muhlenberg | 45 min |
| May 11, 5:16 PM CDT | Special Weather Statement | PAH | Ripley | 44 min |
| May 11, 5:30 PM CDT | Severe Thunderstorm Warning | PAH | Ripley | 34 min |
| May 11, 6:35 PM CDT | Areal Flood Advisory | PAH | Carter | 3 hr |
Nearby
Severe Thunderstorm Warnings in Missouri, 2017Every severe thunderstorm warning in 2017
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.